Publications of Christopher T. Allen

Updated April 25, 2018 Publications

Refereed Journal Papers (In Print)

Al Aziz M; Allen CT; "Experimental Results of a Differential Angle-of-Arrival Based 2D Localization Method Using Signals of Opportunity," International Journal of Navigation and Observation, v. 2018, Article ID 5470895, 6 pages, 2018. doi:10.1155/2018/5470895.

Kunwar S; Abbasi R; Allen C; Belz J; Besson D; Byrne M; Farhang-Boroujeny B; Gillman WH; Hanlon W; Hanson J; Myers I; Novikov A; Prohira S; Ratzlaff K; Rezazadeh A; Sanivarapu V; Schurig D; Shustov A; Smirnova M; Takai H; Thomson GB; Young R; “Design, Construction and Operation of a Low-Power, Autonomous Radio-Frequency Data-Acquisition Station for the TARA Experiment,” Nucl. Instr. Meth. Phys. Res., pp. 110-120, 2015.

Abbasi R; Othman MAB; Allen C; Beard L; Belz J; Besson D; Byrne M; Farhang-Boroujeny B; Gardner A; Gillman WH; Hanlon W; Hanson J; Jayanthmurthy C; Kunwar S; Larson SL; Myers I; Prohyra S; Ratzlaff K; Sokolsky P; Takai H; Thomson GB; Von Maluski D; “Telescope Array Radar (TARA) Observatory for Ultra-High Energy Cosmic Rays,” Nucl. Instr. Meth. Phys. Res. A, v. 767, pp. 322-338, 11 December 2014.

Laird CM; Blake WA; Matsuoka K; Conway H; Allen CT; Leuschen CJ; Gogineni S; "Deep ice stratigraphy and basal conditions in central West Antarctica revealed by coherent radar," IEEE Geoscience and Remote Sensing Letters, 7(2), pp. 246-250, 2010.

Paden J; Akins T; Dunson D; Allen C; Gogineni P; "Ice sheet bed 3D tomography," Journal of Glaciology, 56(195), pp. 3-11, 2010.

Adany P; Allen C; Hui R; "Chirped lidar using simplified homodyne detection," Journal of Lightwave Technology, 27(16), pp. 3351-3357, 2009.

Jianga J; Richards D; Allen C; Oliva S; Hui R; "Non-intrusive polarization dependent loss monitoring in fiber-optic transmission systems," Optics Communications, 281(18), pp. 4631-4633, 2008.

Gogineni S; Braaten D; Allen CT; Paden J; Akins T; Kanagaratnam P; Jezek K; Prescott G; Jayaraman G; Ramasami V; Lewis C; Dunson D; "Polar Radar for Ice Sheet Measurements (PRISM)", Remote Sensing of Environment, 111, pp. 204-211, 2007.

Marathe KC; Jara VA; Akins T; Kanagaratnam P; Gogineni S; Jezek K; Allen C; Braaten D; "Airborne radar demonstrator for imaging of ice-bed interface," EOS Trans. AGU, 87(52), Fall Meet. Suppl., Abstract C21A-1135, 2006.

Jezek K; Rodgriquez E; Gogineni P; Freeman A, Curlander J, Wu X, Paden J, Allen C, "Glaciers and ice sheets mapping orbiter concept," Journal of Geophysical Research, 111, E06S20, doi:10.1029/2005JE002572, 2006.

Allen CT; Mozaffar SN; Akins TL; "Suppressing coherent noise in radar applications with long dwell times," IEEE Geoscience and Remote Sensing Letters, 2(3), pp. 284-286, 2005.

Paden JD; Allen CT; Gogineni S; Dahl-Jensen D; Larsen LB; Jezek KC; "Wideband measurements of ice sheet attenuation and basal scattering," IEEE Transactions on Geoscience and Remote Sensing Letters, 2(2), pp. 164-168, 2005.

Kondamuri PK; Allen C; Richards DL; "Laplacian pdf of DGD time derivative and application to predicting PMD-induced outage rates," Electronics Letters, 40(8), pp. 503-504, 2004.

Allen CT; Kondamuri PK; Richards DL; Hague DC;, "Measured temporal and spectral PMD characteristics and their implications for network-level mitigation approaches," Journal of Lightwave Technology, 21(1), pp. 79-86, 2003.

Hui R; Thomas J; Allen C; Fu B; Gao S; "Low-coherent, WDM reflectometry for accurate fiber length monitoring," IEEE Photonics Technology Letters, 15(1), pp. 96-98, 2003.

Hui R; Allen C; Demarest K; "PMD-insensitive SCM optical receiver using polarization diversity," IEEE Photonics Technology Letters, 14(11), pp 1632-1634, 2002.

Hui R; Zhu B; Huang R; Allen CT; Demarest KR; Richards D; "Subcarrier multiplexing for high-speed optical transmission," Journal of Lightwave Technology, 20(3), pp. 417-427, 2002.

Gogineni S; Tammana D; Braaten D; Leuschen C; Akins T; Legarsky J; Kanagaratnam P; Stiles J; Allen C; Jezek K; "Coherent radar ice thickness measurements over the Greenland ice sheet," Journal of Geophysical Research (Climate & Physics of the Atmosphere), 106, no. D24, pp. 33761-33772, 2001.

Hui, R; Zhu B; Huang R; Allen CC; Demarest K; Richards D; "10-Gb/s SCM fiber system using optical SSB modulation," IEEE Photonics Technology Letters, 13(8), pp. 896-898, 2001.

Pua HY; Peddanarappagari K; Zhu B; Allen CT; Demarest K; Hui R; "An adaptive first-order polarization-mode dispersion compensation system: theory and demonstration," Journal of Lightwave Technology, 18(6), pp. 832-841, 2000.

Song S; Allen C; Demarest KR; Hui R; "A novel method for measuring polarization-mode dispersion using four-wave mixing," Journal of Lightwave Technology, 17(12), pp. 2530-2533, 1999.

Song S; Allen C; Demarest K; Hui R; "Intensity-dependent phase-matching effects on four-wave mixing in optical fiber," Journal of Lightwave Technology, 17(11), pp. 2285-2290, 1999.

Joughin I; Fahnestock M; Kwok R; Gogineni P; Allen C; "Ice flow of Humboldt, Petermann, and Ryder Glaciers, North Greenland," Journal of Glaciology, 45(150), pp. 231-241, 1999.

Johnson C; Demarest K; Allen C; Hui R; Peddanarappagari KV; Zhu B; "Multiwavelength, all-optical clock recovery," IEEE Photonics Technology Letters, 11(7), pp. 895-897, 1999.

Hui R; Demarest K; Allen C; "Cross-phase modulation in multi-span WDM optical fiber systems," IEEE Journal of Lightwave Technology, 17(6), pp. 1018-1026, 1999.

Hui R; Zhu B; Demarest K; Allen C; Hong J; "Generation of ultrahigh-speed tunable-rate optical pulses using strongly gain-coupled dual wavelength DFB laser diodes," IEEE Photonics Technology Letters, 11(5), pp. 518-520, 1999.

Gogineni S; Chuah T; Allen C; Jezek K; Moore RK; "An improved coherent radar depth sounder," Journal of Glaciology, 44(148), pp. 659-669, 1998.

Allen CT; Shi K; Plumb RG; "The use of ground-penetrating radar with a cooperative target," IEEE Transactions on Geoscience and Remote Sensing, 36(5), pp. 1821-1825, 1998.

Hui R; Wang Y; Demarest K; Allen C; "Frequency response of cross-phase modulation in multi-span WDM optical fiber systems," IEEE Photonics Technology Letters, 10(9), pp. 1271-1273, 1998.

Allen C; Bean A; Besson D; Frichter G; Juett A; Karle A; Kotov S; Kravchenko I; McKay D; Miller TC; Piccirillo L; Ralston J; Seckel D; Seunarine S; Spiczak GM ; "Status of the Radio Ice Cherenkov Experiment (RICE)," New Astronomy Reviews, v. 42, pp. 319-329, 1998.

Dahl-Jensen D; Gundestrup NS; Keller K; Johnsen SJ; Gogineni SP; Allen CT; Chuah TS; Miller H; Kipfstuhl S; Waddington ED; "A search in north Greenland for a new ice-core drill site," Journal of Glaciology, 43(144), pp. 300-306, 1997.

Fang X; Ji H; Pelz L; Demarest K; Allen C; "A dc to multigigabit/s polarization-independent modulator based on Sagnac interferometer," IEEE Journal of Lightwave Technology, 15(11), pp. 2166-2171, 1997.

Fang X; Demarest K; Ji H; Allen C; Pelz L; "A sub-nanosecond polarization-independent tunable filter/wavelength router using a Sagnac interferometer," IEEE Photonics Technology Letters, 9(11), pp. 1490-1492, 1997.

Allen C; Gogineni S; Wohletz B; Jezek K; Chuah TS; "Airborne radio echo sounding of outlet glaciers in Greenland," International Journal of Remote Sensing, 18(14), pp. 3103-3107, 1997.

Fang X; Ji H; Allen CT; Demarest K; Pelz L; "A compound high-order polarization-independent birefringence filter using Sagnac interferometers," IEEE Photonics Technology Letters, 9(4), pp. 458-460, 1997.

Ulaby FT; Allen CT; Eger III G; Kanemasu E; "Relating the microwave backscattering coefficient to leaf-area index," Remote Sensing of the Environment, 14, pp. 113-133, 1984.

Ulaby FT; Allen CT; Fung AK; "Method for retrieving the true backscattering coefficient from measurements with a real antenna," IEEE Transactions on Geoscience and Remote Sensing, GE-21(3), pp. 308-313, 1983.

Other Refereed Papers

Allen C; Shi L; Hale R; Leuschen C; Paden J; Panzer B; Arnold E; Blake W; Rodriguez-Morales F; Ledford J; Seguin S; "Antarctic Ice Depthsounding Radar Instrumentation for the NASA DC-8," IEEE Aerospace and Electronic Systems Magazine, 27(3), pp. 4-20, 2012.

Player K; Shi L; Allen C; Leuschen C; Ledford J; Rodriguez-Morales F; Blake W; Panzer B; Seguin S; "A multi-channel depth-sounding radar with an improved power amplifier," High Frequency Electronics, 9(10), pp. 18-29, 2010.

Allen C; "A brief history of radio echo sounding of ice," Earthzine, Sept 26, 2008 (invited).

Allen C; Paden J; "Synthetic-aperture radar images polar ice-sheet bed," SPIE Newsroom, DOI: 10.1117/2.1200706.0780, June 11, 2007.

Jezek K; Braaten D; Gogineni S; van der Veen C; Allen C; Alley R; Allison I; Anandakrishnan S; Bindschadler R; Bowen C; Bromwich D; Colgren R; Dahl-Jensen D; Downing D; Ewing M; Fastook J; Hale R; Hayden L; Hughes T; Joughlin I; Krabill W; Landis C; LeCompte M; Leuschen C; Mosely-Thompson E; Pollard D; Prescott G; Rignot E; Thompson L; Webber G; Wingham D; Zagorodnov V, "Center for remote sensing of ice sheets (CReSIS)," EOS Transactions ? Supplementary material to "New Aircraft Will Survey Ice Sheets to Understand Rapid Change", 18 September 2007.

Richards D; Allen C; Demarest K; Hui R; "Legacy fiber meets long-haul network needs," WDM Solutions, pp. 14-17, March/April 2003.

Allen C; Plumb R; "Preface," to Special Issue on the 7th International Conference on Ground Penetrating Radar, Journal of Applied Geophysics, 43, pp. 117-118, 2000.

Lohmeier SP;Stiles JM; Allen CT; Gogineni P; Moore RK; "The Radar Systems and Remote Sensing Laboratory (RSL) at the University of Kansas," IEEE Geoscience and Remote Sensing Society Newsletter, Issue #113, pp. 11-16, March 2000.

Allen CT; "Interferometric synthetic aperture radar," IEEE Geoscience and Remote Sensing Society Newsletter, Issue #96, pp. 6-13, Sept. 1995. INVITED

Patents (Issued)

Allen CT; Keshmiri SS; Al Aziz M; “Techniques for navigating UAVs using ground-based transmitters,” US Patent 9,945,931, issued April 17, 2018.

Allen CT; Shuey TD; Hui R; “Low-altitude altimeter and method,” U.S. Patent 8,583,296 issued November 12, 2013
* U.S. Patent 9,008,869 issued April 14, 2015.

Hui, R; Allen C; Adany, P; "Coherent detection scheme for FM chirped laser radar," U.S. Patent 7,742,152, issued June 22, 2010.

Richards DL; Allen CT; Hague DC; Jones ML; "Identification of polarization-mode dispersion on a communication network," U.S. Patent US7,221,871, issued May 22, 2007
* U.K. Patent GB2404295, issued June 14, 2006.

Stump GS;Allen CT; "Apparatus and method for horizontal drilling," U.S. Patent 7,182,151, issued February 27, 2007.

Hui R; Allen CT; Demarest KR; "Optical systems with diversity detection," U.S. Patent 6,999,688, issued February 14, 2006.

Stump GS; Allen CT; "Apparatus and method for horizontal drilling," U.S. Patent 6,886,644, issued May 3, 2005.

Richards DL; Allen CT; Hague DC; "Identifying a polarization-mode dispersion event," U.S. Patent 6,781,679 issued August 24, 2004.

Pua HY; Allen C; Demarest K; Hui R; Peddanarappagari KV; "Method and apparatus to compensate for polarization mode dispersion," U.S. Patent 6,647,176, issued November 11, 2003.

Demarest K; Johnson C; Allen C; Hui R; Zhu B; "Method and apparatus for recovering an optical clock signal," U.S. Patent 6,542,274 issued April 1, 2003.

Pua HY; Allen C; Demarest K; Hui R; Peddanarappagari KV; "Method and apparatus to compensate for polarization mode dispersion," U.S. Patent 6,459,830, issued October 1, 2002.

Stump GS; Allen CT; "Apparatus and method for detecting a location and an orientation of an underground boring tool," U.S. Patent Number 6,435,286 issued August 20, 2002.

Stump GS; Allen CT; "Apparatus and method for controlling an underground boring tool," U.S. Patent Number 6,161,630 issued December 19, 2000.

Pelz LJ Jr; Ji H; Fang X; Allen C; Demarest KR; Frost VS; "Method and apparatus for controlling an optical signal," U. S. Patent Number 5,970,188, issued October 19, 1999.

Stump GS; Allen CT; "Apparatus and method for detecting a location and an orientation of an underground boring tool," U. S. Patent Number 5,904,210, issued May 18, 1999.

Stump GS; Allen CT; "Apparatus and method for detecting an underground structure," U. S. Patent Number 5,819,859 issued October 13, 1998.

Stump GS; Allen CT; "Trenchless underground boring system with boring tool location," U.S. Patent Number US5,720,354, issued February 24, 1998
* Australian Patent Number AU1688897A1 issued August 1, 1997
* Austrian Patent Number AT215174T issued April 15, 2002
* Brazilian Patent Number BR9612401A, issued December 28, 1999
* Canadian Patent Number CA2241808AA, issued July 17, 1997
* Chinese Patent Number . CN1209184A, issued February 24, 1999
* European Patent Number EP873465A1, issued October 28, 1998
* German Patent Mumber DE69620242D issued May 2, 2002
* Hong Kong Patent Number HK1018298 issued December 17, 1999
* Irish Patent Number IE0873465 issued March 27, 2002
* Japanese Patent Number JP2000-503088T, issued March 14, 2000
* Russian Patent Number RU2175368, issued October 27, 2001
* World Intellectual Property Organization Number WO9725519A1, issued July 17, 1997

Refereed Conference Proceedings

Harnett L; Hemmingsen D; McCormick P; Blunt SD; Allen C; Martone A; Sherbondy K; Wikner D; “Optimal and adaptive mismatch filtering for stretch processing,” 2018 IEEE Radar Conference (RadarCon), Oklahoma City, OK, pp. XX-YY, 23-27 April 2018.

Owen J; Ravenscroft B; Kirk B; Blunt SD; Allen C; Martone A; Sherbondy K; Narayamam R; “Experimental demonstration of cognitive spectrum sensing & notching radar,” 2018 IEEE Radar Conference (RadarCon), Oklahoma City, OK, pp. XX-YY, 23-27 April 2018.

Owen J; Blunt SD; Gallagher K; McCormick P; Allen C; Sherbondy K; “Nonlinear radar via intermodulation of FM noise waveform pairs,” 2018 IEEE Radar Conference (RadarCon), Oklahoma City, OK, pp. XX-YY, 23-27 April 2018.

Zook G; McCormick PM; Blunt SD; Allen C; Jakabosky J; “Dual-polarized FM noise radar,” Hemmingsen DM; McCormick PM; Blunt SD; Allen C; Martone A; Sherbondy K; Wikner D; Waveform-diverse stretch processing,” 2018 IEEE Radar Conference (RadarCon), Oklahoma City, OK, pp. XX-YY, 23-27 April 2018.

Ravenscroft R; Blunt SD; Allen C; Martone A; Sherbondy K; “Analysis of spectral notching in FM noise radar using measured interference,” IET Intl. Radar Conf, Belfast, UK, Oct. 2017.

Blunt SD; Allen C; Arnold E; Hale R; Hui R; Keshmiri S; Leuschen C; Li J; Paden J; Rodriquez-Morales F; Salandrino A; Stiles J; “Radar Research at the University of Kansas,” Proc. SPIE 10188, Radar Sensor Technology XXI, 1018817 (May 1, 2017); doi:10.1117/12.2268911.

Jakabosky J; Blunt SD; Mokole EL; Allen C; “Recent Developments on Spectral Containment of Radar Signals”, 2016 USNC-URSI North American Radio Science Meeting (NRSM), Boulder, CO, 6-9 January 2016.

McCormick P; Jakabosky J; Blunt S; Allen C; Himed B; “Joint polarization/waveform design and adaptive receive processing,” 2015 IEEE Radar Conference (RadarCon), Arlington, VA, pp. 1382-1387, May 10-15, 2015.

Ryan L; Jakabosky J; Blunt S; Allen C; Cohen L; “Optimizing Polyphase-Coded FM Waveforms Within a LINC Transmit Architecture,” 2014 IEEE International Radar Conference, Cincinnati, OH, pp. 835-839, May 19-23, 2014.

Shi L; Allen C; Ewing M; Keshmiri S; Zakharov M; Florencio F; Niakan N; Knight R; “Multichannel sense-and-avoid radar for small UAVs,” 32nd Digital Avionics Systems Conference (DASC), Syracuse, NY, Oct 6-10, 2013.

Abou Bakr Othman M; Allen C; Belz J; Besson D; Farhang-Boroujeny B; Gardner A; Hanlon W; Hanson J; Ikeda D; Jayanthmurthy C; Kravchenko I; Kunwar S; Larson S; Lundquist J; Myers I; Nakamura T; Rankin JS; Sagawa H; Sokolsky P; Takai H; Terasawa T; Thomson GB; Vasiloff G; "Bistatic Radar Detection of UHECR with TARA," 33rd International Cosmic Ray Conference, Rio de Janeiro, July 2-9, 2013.

Abou Bakr Othman M; Allen C; Belz J; Besson D; Farhang-Boroujeny B; Gardner A; Hanlon W; Hanson J; Ikeda D; Jayanthmurthy C; Kravchenko I; Kunwar S; Larson S; Lundquist J; Myers I; Nakamura T; Rankin JS; Ratzlaff K; Sagawa H; Sokolsky P; Takai H; Terasawa T; Thomson GB; Vasiloff G; "Searching for Cosmic Ray Radar Echoes in TARA Data," 33rd International Cosmic Ray Conference, Rio de Janeiro, July 2-9, 2013.

Belz J; Abou Bakr Othman M; Allen C; Barcikowski E; Besson D; Farhang-Boroujeny B; Ikeda D; Hanlon W; Kunwar S; Lundquist JP; Kravchenko I; Larson S; Myers I; Nakamura T; Rankin JS; Sagawa H; Sololsky P; Takai H; Terasawa T; Thomson GB; "TARA: Forward-Scattered Radar Detection of UHECR at the Telescope Array," Proceedings of UHECR-2012, CERN Geneva, Switzerland, Feb 15, 2012.

Abou Bakr Othman M; Allen C; Belz J; Besson D; Farhang-Boroujeny B; Ikeda D; Kravchenko I; Kunwar S; Lundquist J; Myers I; Nakamura T; Sagawa H; Sololsky P; Takai H; Terasawa T; Thomson GB; "Radar detection of UHECR air showers at the telescope array," 32nd International Cosmic Ray Conference, Bejing, China, Aug 17, 2011.

Allen C; Blake W; Leuschen C; Paden J; Gogineni P; Dahl-Jensen D; Harish A; "Ice bed topography mapping using InSAR and tomographic processes," 2011 IEEE Radar Conference, Kansas City, Missouri, pp. 793-797, May 24-26, 2011.

Shi L; Byers KJ; Seguin SA; Allen C; Leuschen CJ; Ledford J; "Multi-channel coherent radar depth sounder electromagnetic interference on-board NASA DC-8," 2011 IEEE Radar Conference, Kansas City, Missouri, pp. 1010-1014, May 24-26, 2011.

Studinger M; Allen C; Blake W; Shi L; Elieff S; Krabill WB; Sonntag JG; Martin S; Dutreiux P; Jenkins A; Bell RE; Young D; Holt J; Rignot E; Kirchner D; Yong-Gyu G; Garamgois S; "Mapping Pine Island Glacier's sub-ice cavity with airborne gravimetry," International Glaciological Society International Symposium on Interactions of Ice Sheets and Glaciers with the Ocean, abstract 60A016, San Diego, California, June 2011.

Abou Bakr Othman M; Allen C; Belz J; Besson D; Farhang-Boroujeny B; Ikeda D; Kunwar S; Lundquist J; Kravchenko I; Myers I; Nakamura T; Sagawa H; Sololsky P; Takai H; Terasawa T; Thomson GB; "Air Shower Detection by Bistatic Radar," International Symposium on the Recent Progress of Ultra-High Energy Cosmic Ray Observation, AIP Conference Proceedings, vol. 1367, pp. 143-146, Aichi, Japan, Dec 10-12, 2010.

Paden J; Blake W; Gogineni P; Leuschen C; Allen C; Dahl-Jensen, D.; "3D imaging radar for deep ice core site selection" abstract C13B-0564, 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec 2010.

Leuschen C; Gogineni SP; Allen C; Paden JD; Hale R; Rodriguez-Morales R; Harish A; Seguin S; Arnold E; Blake W; Byers K; Crowe R; Lewis C; Panzer B; Patel A; Shi L; "The CReSIS Radar Suite for Measurements of the Ice Sheets and Sea Ice during Operation Ice Bridge", abstract C44A-02, 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec 2010.

Studinger M; Allen C; Blake W; Shi L; Elieff S; Krabill WB; Sonntag JG; Martin S; Dutreiux P; Jenkins A; Bell RE; "Mapping Pine Island Glacier's Sub-ice Cavity with Airborne Gravimetry," abstract C11A-0528, 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec 2010.

Rodriguez-Morales F; Gogineni P; Leuschen C; Allen C; Lewis C; Patel A; Byers K; Smith L; Shi L; Panzer B; Blake W; Crowe R; Gifford C; "Development of a multi-frequency airborne radar instrumentation package for ice sheet mapping and imaging," Digest of the IEEE International Microwave Symposium 2010, pp. 157-160, 23-28 July 2010.

Blake W; Shi L; Meisel J; Allen C; Gogineni P; "Airborne 3D basal DEM and ice thickness map of Pine Island Glacier," Proceedings of the 2010 International Geoscience and Remote Sensing Symposium (IGARSS '10), Honolulu, HI, pp. 2503-2506, July 25, 2010.

Shi L; Allen C; Ledford JR; Rodriguez-Morales F; Blake W; Prokopiack S; Leuschen C; Gogineni P; "Multichannel coherent radar depth sounder for NASA Operation Ice Bridge," Proceedings of the 2010 International Geoscience and Remote Sensing Symposium (IGARSS '10), Honolulu, HI, pp. 1729-1732, July 25, 2010.

Paden J; Allen C; Gogineni P; "3D imaging of ice sheets," Proceedings of the 2010 International Geoscience and Remote Sensing Symposium (IGARSS '10), Honolulu, HI, pp. 2611-2613, July 25, 2010.

Laird CM; W. A. Blake, Gogineni PS; Allen C; Leuschen CJ; Braaten DA; "Characterization of Deep Internal Layers and Basal Conditions Around the WAIS Divide Drill Site by Surface-Based Radar," Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract C31A-0463, 2008.

Blake W; Ledford J; Allen C; Leuschen C; Gogineni S; Rodriguez-Morales F; Shi L;; "A VHF radar for deployment on a UAV for basal imaging of polar ice," Proceedings of the 2008 International Geoscience and Remote Sensing Symposium (IGARSS '08), Boston, MA, volume IV, pp. 498-501, July 10, 2008.

Rodriguez-Morales, F; Gogineni P; Jezek K; Allen C; Leuschen C; Marathe K; Jara-Olivares V; Hoch A; Li J; Ledford J; "Dual-frequency and multi-receiver radars for sounding and imaging polar ice sheets," EUSAR 2008 Electronic Proceedings, 8th Annual European Conference on Synthetic Aperture Radar, pp. 95-98, Friedrichshafen, Germany, June 2-5, 2008.

Allen C; Paden J; Dunson D; Gogineni P; "Ground-based multi-channel synthetic-aperture radar for mapping the ice-bed interface," 2008 IEEE Radar Conference, Rome, Italy, pp. 1428-1433, May 26-29, 2008.

Marathe KC; Jara VA; Raghunandan S; Ledford J; Rodriguez-Morales F; Gogineni S; Allen C; Akins T; Kanagaratnam P; Jezek K; "Dual-Band Airborne Radar for Mapping the Internal and Basal Layers of Polar Ice Sheets," International Workshop on Snow, Ice, Glacier and Avalanches, Mumbai, India, 7-9 Jan 2008.

Blunt SD; Stiles J; Allen C; Deavours D; Perrins E; "Diversity aspects of radar-embedded communications," International Conference on Electromagnetics in Advanced Applications (ICEAA '07), Torino, Italy, pp. 439-442, September 17-21, 2007.

Adany P; Hui R; Allen C; "Simplified coherent detection scheme for FM chirped laser radar," Coherent Optical Technologies and Applications, Whistler, BC, Canada, paper CFB6, June 28-30, 2006.

Jezek K; Rodriguez E; Gogineni P; Freeman A; Curlander J; Wu X; Allen C; Krabill W; Sonntag J; "Glaciers and Ice Sheets Mapping Orbiter Concept," EUSAR 2006, Electronic Proceedings, 6th Annual European Conference on Synthetic Aperture Radar, Dresden Germany, ISBN 978-3-8007-2960-9, May 2006.

Gogineni S; Paden J; Akins T; Allen C; Braaten D; Jezek K; "Wideband synthetic aperture radar imaging of sub-surface interfaces in glacial ice," EUSAR 2006, Electronic Proceedings, 6th Annual European Conference on Synthetic Aperture Radar, Dresden Germany, ISBN 978-3-8007-2960-9, May 2006.

Jezek K; Rodriguez E; Gogineni P; Freeman A; Curlander J; Wu X; Allen C; Kaagaratnam P; Sonntag J; Krabill W; "Glaciers and Ice Sheet Mapping Orbiter," EOS Trans., AGU, 86(52), Fall Meet. Suppl., Abstract IN13B-1092, 2005.

Forster R; Jezek K; Rodriguez E; Gogineni S; Freeman A; Curlander J; Wu X; Allen C; Kanagaratnam; Sonntag J; Krabill W; "Global Ice Sheet Mapping Orbiter", FRINGE 2005 Workshop, Advances in SAR Interferometry from ENVISAT and ERS missions", European Space Agency, ESRIN Frascati, Italy 28 November - 2 December 2005.

Gogineni S; Jezek K; Paden J; Allen C; Kanagaratnam P; Akins T; "Radar imaging and sounding of polar ice sheets," URSI General Assembly, New Delhi, 2005.

Curlander J; Jezek K; Rodriguez E; Freeman A; Gogineni P; Paden J; Allen C; Wu X; "Glaciers and Ice Sheets Mapping Orbiter," Advanced SAR Workshop, Montreal, Quebec, 2005.

Kondamuri PK; Allen C; Richards DL; "Variation of PMD-induced outage rates and durations with link length on buried standard single-mode fibers," Technical Digest Optical Fiber Communications Conference 2005 (OFC'05), Anaheim, California, pp. OThX3-1-OThX3-3, March 7, 2005.

Harris DL; Kondamuri PK; Pan J; Allen C; "Temperature dependence of wavelength-averaged DGD on different buried fibers," Lasers and Electro-Optics Society, 2004 (LEOS 2004), San Juan, Puerto Rico, pp. 84-85, November 8, 2004.

Harris DL; Kondamuri PK; Huang R; Pan J; Allen C; "First and second order PMD statistical properties of installed fiber," Lasers and Electro-Optics Society, 2004 (LEOS 2004), San Juan, Puerto Rico, pp. 86-87, November 8, 2004.

Brown KD; Allen C; "Dynamic tracking phased array data links," Conference Proceedings of the Fortieth Annual International Telemetering Conference, San Diego, CA, pp. 240-245, October 20, 2004.

Kondamuri PK; Allen C; Richards DL; "Study of the variation of the Laplacian parameter of DGD time derivative with fiber length using measured DGD data," Symposium on Optical Fiber Measurements, Boulder, CO, pp. 91-94, Sept. 28-30, 2004.

Paden J; Mozaffar S; Dunson D; Allen C; Gogineni S; Akins T; "Multiband multistatic synthetic aperture radar for measuring ice sheet basal conditions," Proceedings of the 2004 International Geoscience and Remote Sensing Symposium (IGARSS '04), Anchorage, AK, pp. 136-139, Sept. 20, 2004.

Allen C; Taylor RD; Stone JR; "Insertion-loss measurement accuracy for fiber-optic components -- an analysis," 2003 SAE Aerospace Electrical Interconnect Systems Symposium, Nashville, TN, CD-ROM, Oct. 22, 2003.

Paden J; Allen C; Gogineni S; "Polar ice sheet propagation model for ground-based broadband VHF synthetic aperture radar," Progress in Electromagnetics Research Symposium (PIERS), Honolulu, HI, p. 34, Oct. 13-16, 2003.

Richards D; Allen C; Hague D; "DWDM system identification of a PMD-induced event: cost effective event labeling," Proceedings of the National Fiber Optic Engineers Conference, Orlando, FL, CD-ROM, Sept. 7-11, 2003.

Allen C; "Development of a course on high-speed digital circuit design," Proceedings of the ASEE Midwest Meeting, Rolla, MO, CD-ROM, Sept. 10-12, 2003.

Gogineni S; Prescott G; Braaten D; Allen C; Jezek K; and the PRISM Research Team, "Polar radar for ice sheet measurements," Proceedings of the 2003 International Geoscience and Remote Sensing Symposium (IGARSS '03), Toulouse, France, pp. 1607-1609, July 2003.

Demarest K; Richards D; Allen C; Hui R; "Is standard single-mode fiber the fiber to fulfill the needs of tomorrow's long-haul networks?", Proceedings of the National Fiber Optic Engineers Conference (NFOEC), Dallas, TX, pp. 939-946, Sept. 15-19, 2002.

Allen C; Kondamuri PK; Richards DL; Hague DC;, "Analysis and comparison of measured DGD data on buried single-mode fibers," Symposium on Optical Fiber Measurements, Boulder, CO, pp. 195-198, Sept. 24-26, 2002.

Allen C; Kondamuri PK; Richards DL; Hague DC; "Measured temporal and spectral PMD characteristics and their implications for network-level mitigation approaches," Proceedings of the IASTED International Conference on Wireless and Optical Communications, Banff, Alberta, Canada, pp. 713-720, 2002.

Allen C; Chong SK; Cobanoglu Y; Gogineni S; "Test results from a 1319-nm laser radar with RF pulse compression," Proceedings of the 2002 International Geoscience and Remote Sensing Symposium (IGARSS '02), Toronto, Ontario, Canada, pp. 3588-3590, 2002.

Hui R; Allen C; Demarest K; "Combating PMD-induced signal fading in SCM optical systems using polarization diversity optical receiver," Technical Digest Optical Fiber Communications Conference 2002 (OFC'02), Anaheim, CA, WQ4, pp. 302-304, 2002.

Allen C; Chong SK; Cobanoglu Y; Gogineni S; "Development of a hybrid RF/laser radar," NASA Earth Science Technology Conference (ESTC 2001) proceedings, College Park, Maryland pp. 97-101, 2001.

Allen C; Cobanoglu Y; Chong SK; Gogineni S; "Performance of a 1319 nm laser radar using RF pulse compression," Proceedings of the 2001 International Geoscience and Remote Sensing Symposium (IGARSS '01), Syndney, Australia, pp. 997-999, July 2001.

Allen C;Chong SK; Cobanoglu Y; Gogineni S; "Development of a 1319 nm laser radar using fiber optics and RF pulse compression," Coherent Laser Radar Conference (CLCR '01), Great Malvern, Worcesters, UK, pp. 140-143, July 2001.

Hui R; Taherion S; Gogineni P; Allen C; Adams D; "Wideband RF chirp generation using three-section strongly gain-coupled DFB lasers," Lasers and Electro-Optics Society, 2001 (LEOS 2001), vol. 1 , pp. 308-309, 2001.

Hui R; Zhu B; Huang R; Allen C; Demarest K; Richards D; "10 Gb/s SCM system using optical single side-band modulation," Technical Digest Optical Fiber Communications Conference 2001 (OFC'01), Anaheim, California, pp. MM4-1 - MM4-4, 2001.

Song S; Demarest K; Allen C; "A Poincare sphere method for measuring polarization-mode dispersion using four-wave mixing (FWM) in single-mode optical fiber," Symposium on Optical Fiber Measurements, Boulder, CO, pp. 79-82, Sept. 26-28, 2000.

Allen C; Cobanoglu Y; Chong SK; Gogineni S; "Development of a 1310-nm, coherent laser radar with RF pulse compression," Proceedings of the 2000 International Geoscience and Remote Sensing Symposium (IGARSS '00), Honolulu, Hawaii, pp. 1784-1786, July 2000.

Song S; Demarest K; Allen C; "Numerically reversing the nonlinear wave propagation in single-mode optical fiber," IEEE Lasers and Electro-Optics Society1999Annual Meeting (LEOS '99), San Francisco, CA, pp. 611-612, Nov. 1999.

Allen C; Gogineni S; "A fiber-optic-based 1550-nm laser radar altimeter with RF pulse compression," Proceedings of the 1999 International Geoscience and Remote Sensing Symposium (IGARSS '99), Hamburg, Germany, pp. 1740-1742, June 1999.

Zhu B; Hui R; Allen C; Demarest K; Wang Y; "Four-wave mixing in amplified WDM system with anomalous dispersion fibers," Conference on Lasers and Electro-Optics Quantum Electronics and Laser Science (CLEO/QELS '99), Baltimore, p. 435, May 1999.

Wang Y; Hui R; Demarest K; Allen C; "Statistical study of cross-phase modulation in multi-span IMDD WDM systems," IEEE Lasers and Electro-Optics Society1998 (LEOS '98), Orlando, FL, pp. 378-379, Dec. 1998.

Johnson C; Demarest K; Allen C; Hui R; Peddanarappagari V; Zhu B; Butler R; "Multiwavelength, all-optical clock recovery," IEEE Lasers and Electro-Optics Society1998 (LEOS '98), Orlando, FL, pp. 10-11, Dec. 1998.

Allen C;Shi K; Plumb RG; "Characterization of a cooperative target for ground-penetrating radar," Proceedings of the 7th International Conference on Ground Penetrating Radar (GPR '98), Lawrence, Kansas, pp. 561-565, May 26-30, 1998.

Song S; Allen C; Demarest K; Pelz L; Fang X; Pua Y; "Experimental study of four-wave mixing in non-zero dispersion fiber," IEEE Lasers and Electro-Optics Society1997 (LEOS '97), WAA2, San Francisco, CA, Vol. 2, pp. 224-225, Nov. 1997.

Song S; Allen C; Demarest K; Pelz L; Fang X; Pua Y; "Interactions between solitons and NRZ signals in WDM networks," IEEE Lasers and Electro-Optics Society 1997 (LEOS '97), TuC3, San Francisco, CA, Vol. 1, pp. 169-170, Nov. 1997.

Goodman N; Leuschen C; Plumb R; Allen C; "Subsurface imaging techniques applied at a ground-penetrating radar test facility," Proceedings of the 6th International Conference on Ground Penetrating Radar (GPR '96), Sendai, Japan, pp. 395-397, October 1996.

Leuschen C; Goodman N; Allen C; Plumb R; "An interferometric technique for synthetic-aperture ground-penetrating radar," Proceedings of the 6th International Conference on Ground Penetrating Radar (GPR '96), Sendai, Japan, pp. 405-409, October 1996.

Wohletz B; Chuah TS; Allen C; Gogineni S; "Radar sounding of Greenland outlet glaciers," Proceedings of the XXVth General Assembly of the International Union of Radio Science (URSI), Lille, France, p. 293, Sept. 1996.

Allen C; Wohletz B; Gogineni S; "Radar sounding of glaciers in Greenland," Proceedings of the 1996 International Geoscience and Remote Sensing Symposium (IGARSS '96), Lincoln, Nebraska, pp. 1932-1934, May 1996.

Leuschen C; Goodman N; Allen C; Plumb R; "An interferometric technique for synthetic aperture ground penetrating radar," Proceedings of the 1996 International Geoscience and Remote Sensing Symposium (IGARSS '96), Lincoln, Nebraska, pp. 2033-2035, May 1996.

Goodman N; Leuschen C; Plumb R; Allen C; "Subsurface imaging using ground-penetrating radar measurements," Proceedings of the 1996 International Geoscience and Remote Sensing Symposium (IGARSS '96), Lincoln, Nebraska, pp. 2036-2037, May 1996.

Joughin I; Kwok R; Fahnestock M; Gogineni S; Allen C; "Interferometrically derived topography, velocity, and ice-flux estimates for the Petermann glacier," EOS, Transactions, American Geophysical Union, 1995 Fall Meeting, San Francisco, California, v. 76(46), p. F184, December 1995.

Lockhart GL; Allen C; "Helicopter-borne scatterometer measurements at L, C, and X bands during the 1994 Boreas field campaign," Proceedings of the 1995 International Geoscience and Remote Sensing Symposium (IGARSS '95), Firenze, Italy, pp. 794-796, July 1995.

Allen C; Ulaby FT; "Modelling the polarization dependence of the attenuation in vegetation canopies," Proceedings of the 1984 International Geoscience and Remote Sensing Symposium (IGARSS '84), Strasbourg, France, pp. 119-124, August 1984.

Ulaby FT; Allen C; Fung AK; "Method for retrieving the true backscattering coefficient from measurements with a real antenna," Proceedings 1982 International Geoscience and Remote Sensing Symposium (IGARSS '82), Munich, Germany, session TA-6, paper #6, June 1982.

Workshops and Conference Records

Ravenscoft B; Blunt SD; Allen C; Martone A; Sherbondy K;“Analysis of spectral notching in FM noise radar using measured interference” IET International Radar Conf., Belfast, N. Ireland, UK, Oct. 2017.

Blunt, SD; McCormick, P; Jakabosky, J; Allen, C; “Fast-Time Polarization Modulation using PCFM Radar Waveforms,” NATO SET-204 Specialists’ Meeting on “Waveform Diversity” 2014.

Curlander J; Jezek K; Rodriguez E; Freeman A; Gogineni P; Paden J; Allen C; Wu X; "Glaciers and Ice Sheets Mapping Orbiter," Advanced SAR Workshop, Montreal, Quebec, 2005.

Forster R; Jezek K; Rodriguez E; Gogineni S; Freeman A; Curlander J; Wu X; Allen C; Kanagaratnam P; Sonntag J; Krabill W; "Global Ice Sheet Mapping Orbiter" , FRINGE 2005 Workshop, Advances in SAR Interferometry from ENVISAT and ERS missions, European Space Agency, ESRIN Frascati, Italy 28 November - 2 December 2005.

Paden J; Akins T; Kanagaratnam P; Dunson D; Lewis C; Chan T; Allen C; Parthasarathy R; Jezek K; Gogineni S; "Wideband radars for imaging the bed and mapping internal layers," West Antarctic Ice Sheet Workshop, Sterling, Virginia, Sept 28-Oct 1, 2005.

Allen C; "Lightwave communications systems research: Optical Link Quality Monitoring," Sprint Applied Research Partners Advanced Network (SPARTAN) Symposium, Lawrence, KS, May 20, 1998.

Demarest K; Allen C; Fang X; Song S; "Lightwave communications systems research," Sprint Applied Research Partners Advanced Network (SPARTAN) Symposium, Lawrence, KS, March 1997.

Gogineni S; Chuah T; Allen C; "Measurement of thickness of the Greenland ice sheet," Program for Arctic Regional Climate Assessment (PARCA), Report for the Greenland Science and Planning Meeting, Boulder, CO, pp. 55-57, Sept. 17-18, 1996.

Joughin I; Kwok R; Fahnestock M; Gogineni P; Allen C; "SRI investigation of the Humboldt and Petermann glaciers, Greenland," Glaciological Applications of Satellite Radar Interferometry Meeting, March 28-29, 1996.

Technical Reports

Blake W; Allen C; "CReSIS UAV Radar System Parameter Calculations and Justification," Technical Report CReSIS TR 140, August 2008.

Allen C; Paden J; "Synthetic-Aperture Radar Images Polar Ice-Sheet Bed," Technical Report CReSIS TR 131, September 2007.

Akins T; Kanagaratnam P; Paden J; Dunson D; Syeda AK; Akers E; Stansbury R; Gabbur S; Yeganeh A; Mohammad AJ; Kostelnick J; Gogineni S; Agah A; Allen C; Bowen C; Braaten D; Demarest K; Frost V; Holvoet J; Prescott G;Tsatsoulis C; "Mobile Sensor Web for Polar Ice Sheet Measurements (ITR/SI+AP) PRISM 2005 Annual Progress Report," Technical Report ITTC-FY2005-TR-27640-07; June 2005.

Gogineni SP; Allen C; Braaten D; Akins T; Kanagaratnam P; Agah A; Akers E; Bhattacharya I; Dunson D; Frost V; Harmon H; Jezek K; Mason K; Mohammad AJ; Parthasarathy R; Sivashanmugam S; Stansbury R; Ramasami V; Tsatsoulis C;" Mobile Sensor Web for Polar Ice Sheet Measurements (ITR/SI+AP) PRISM 2004 Field Activities Report,," Technical Report ITTC-FY2005-TR-27640-05; November 2004.

Kondamuri, P; Allen C; "PMD Characterization of Installed Fiber: Final Report," ITTC Technical Report ITTC-FY2004-TR-33750-01, June 2004.

Hui R; Zhang S; Zhu B; Huang R; Allen C; Demarest K; "Advanced optical modulation formats and their comparison in fiber-optic systems," ITTC Technical Report ITTC-FY2004-TR-15666-01, Jan. 2004.

Hui R; Zhang S; Ganesh A; Allen C; Demarest K; "40-Gb/s optical transmission system testbed," ITTC Technical Report ITTC-FY2004-TR-22738-01, Jan. 2004.

Chalishazar N; Harmon H; Mohammad AJ; Paden J; Stansbury R; Wuite J; Akins T; Kanagaratnam P; Sundermeyer D; Mason K; Agah A; Allen C;Braaten D; Frost V; Jezek K; Prescott G; Tsatsoulis C; Gogineni SP; "Report on the University of Kansas PRISM Research Group Activities at the NorthGRIP Field Site: Summer 2003," Technical Report ITTC-FY2004-TR-27640-03; October 2003.

Allen C; "PMD characterization on an active fiber link: final report," ITTC Technical Report ITTC-FY2004-TR-18834-3, August 2003.

Allen C; Cable JW; Ganther KR; Gogineni SP; Jensen KS; Stepp JD; "Earth penetrator telemetry study ground modeling and link analysis," NNSA/DOE Kansas City MO Applied Technologies Division, ADB290809, February 2003.

Chimata A-P; Allen C; "Development of an adaptive polarization-mode dispersion compensation system," ITTC Technical Report ITTC-FY2003-TR-18834-02, January 2003.

Kondamuri PK; Allen C; "Characterization of polarization-mode dispersion on buried standard single-mode fibers," ITTC Technical Report ITTC-FY2003-TR-18834-01, November 2002.

Allen C; Chong SK; "Development of a 1319-nm laser radar using fiber optics and RF pulse compression," Radar Systems and Remote Sensing Laboratory Technical Report 18680-1, May 2002.

Allen C; Cobanoglu Y; "The design and development of a hybrid RF/laser radar system for measuring changes in ice surface elevation at arctic regions," Radar Systems and Remote Sensing Laboratory Technical Report 18680-2, May 2002.

Gogineni S; Allen C; Stiles J; "Measurement of thickness of the Greenland ice sheet and investigation of scattering properties of glacial ice - Final Report," Radar Systems and Remote Sensing Laboratory Technical Report 13720-11, October 2000.

Tee KL; Chong WK; Coulter H; Akins T; Gogineni SP; Allen C; Stiles J; "Radar thickness measurement over the southern part of the Greenland ice sheet: 1998 Results," Radar Systems and Remote Sensing Laboratory Technical Report 13720-10, July 1999.

Tebben DJ; Allen C; "Optical link quality monitoring in WDM fiber," Information and Telecommunications Center, The University of Kansas Center for Research, Inc., ITTC Technical Report ITTC-FY99-TR-12120-08, January 1999.

Wong YC; Gogineni S; Allen C; Stiles J; Legarsky J;Akins T; Tee KL; "Radar thickness measurements over the Greenland ice sheet: 1997 results," Radar Systems and Remote Sensing Laboratory Technical Report 10470-7, February 1998.

Song S; Allen C; Demarest K; "Numerical simulation for optical fiber communications," Information and Telecommunications Center, The University of Kansas Center for Research, Inc., ITTC Technical Report ITTC-FY98-TR-12120-2, December 14, 1997.

Legarsky J; Gogineni SP; Allen C; Chuah TS; Wong YC; "Radar thickness measurements over the northern part of the Greenland ice sheet," Radar Systems and Remote Sensing Laboratory, The University of Kansas Center for Research, Inc., RSL Technical Report 10470-6, March 1997.

Song S; Allen C; Demarest K; Pelz L; "Evaluations of Ciena's and NEC's WDM systems," Information and Telecommunications Center, The University of Kansas Center for Research, Inc., ITTC Technical Report ITTC-FY97-TR-12120-1, March 18, 1997.

Allen C; Gandhi M; Gogineni P; Jezek K; "Feasibility study for mapping the polar ice bottom topography using interferometric synthetic-aperture radar techniques," Radar Systems and Remote Sensing Laboratory, The University of Kansas Center for Research, Inc., RSL Technical Report 11680-1, January 1997.

Huang Z; Leuschen C; Allen C; Plumb R; "GPR simulations of a buried concrete wall for AlliedSignal," Radar Systems and Remote Sensing Laboratory, The University of Kansas Center for Research, Inc., RSL Technical Report 11910-1, November 1996.

Chuah T; Gogineni S; Allen C; Wohletz B; "Radar thickness measurements over the southern part of the Greenland ice sheet," Radar Systems and Remote Sensing Laboratory, The University of Kansas Center for Research, Inc., RSL Technical Report 10470-2, April 1996.

Chuah T; Gogineni S; Allen C; Wohletz B; "Radar thickness measurements over the northern part of the Greenland ice sheet," Radar Systems and Remote Sensing Laboratory, The University of Kansas Center for Research, Inc., RSL Technical Report 10470-3, April 1996.

Allen C; Rehoie NA; "Electromagnetic induction research issues: magnetic dipoles and SQUID technologies," Radar Systems and Remote Sensing Laboratory, The University of Kansas Center for Research, Inc., RSL Technical Report 11740-1, Sept. 1995.

Allen C; Blazek R; Desch J; Elarton J; Kautz D; Markley D; Morgenstern H; Stewart R; Warner L; "Design guidelines for MCM-C multichip modules," AlliedSignal Aerospace Company, Kansas City Division KCP-613-5346, December 1993.

Markley RE; Elarton JL; Allen C; "High-speed digital project, HSD test capability," AlliedSignal Aerospace Company, Kansas City Division KCP-613-5254, August 1993.

Bickel DL; Brock BC; Allen C; "Spaceborne SAR study: LDRD '92 final report," Sandia National Laboratories SAND 93-0731, March 1993.

Allen C; Markley RE; "High-speed digital project, waveform synthesizer," Allied-Signal Aerospace Company, Kansas City Division KCP 613 5014, October 1992.

Cress DH; Sandoval MB; Dickey FM; Strong DS; Allen C; "Synthetic aperture radar for Open Skies (SAROS) phase I final report," Sandia National Laboratories Verification Systems & Technology VST 034, August 1992.

Cress DH; Sandoval MB; Allen C; "Synthetic aperture radar for Open Skies (SAROS) status and options," Sandia National Laboratories Verification Systems & Technology VST 029, January 1992.

Allen C; "An introduction to bistatic SAR," Sandia National Laboratories Internal Memorandum RS2344/89/0002, February 1989.

Allen C; "Analysis of a digital chirp synthesizer," Sandia National Laboratories SAND88 2256, August 1988.

Allen C; "A 0/pi pulse compression code with very low time sidelobes," Sandia National Laboratories SAND85 0859, April 1985.

Allen C; Brisco B; Ulaby FT; "Modeling the temporal behavior of the microwave backscattering coefficient of agricultural crops," Univ. of Kansas Remote Sensing Laboratory Technical Memorandum 360 21, 1984.

Ulaby FT; Allen C; Eger III G; Kanemasu E; "Relating the radar backscattering coefficient to leaf-area index," Univ. of Kansas Remote Sensing Laboratory Report SK K3 04432, April 1983.

Brisco B; Allen C; Dobson C; Martin C; McCarty N; "Leaf area, biomass and percent moisture measurements of corn and soybeans," Univ. of Kansas Remote Sensing Laboratory Technical Memorandum 460 4, April 1983.

Brisco B; Allen C; "Wheat special experiments," Univ. of Kansas Remote Sensing Laboratory Technical Memorandum 360 2, October 1982.

Kouate F;Allen C; Dobson MC; Ulaby FT; "Radar backscattering measurements of periodic soil surfaces: data documentation," Remote Sensing Laboratory, The University of Kansas Center for Research, Inc., RSL Technical Report SM K2 04339, August 1982.

Brisco B; Allen C; "Data documentation for the 1981 summer vegetation experiment," Remote Sensing Laboratory, The University of Kansas Center for Research, Inc., RSL Technical Report SM K2 04336, May 1982.

Ulaby FT; Allen C; Fung AK; "Method for retrieving the true backscattering coefficient from measurements with a real antenna," Remote Sensing Laboratory, The University of Kansas Center for Research, Inc., RSL Technical Report SM K2 04268, April 1982.

Allen CT; Ulaby FT; Fung AK; "A model for the radar backscattering coefficient for bare soil," Remote Sensing Laboratory, The University of Kansas Center for Research, Inc., RSL Technical Report SM K1 04181, January 1982.