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Unnikrishna Pillai

Full Professor Electrical Engineering

    1974 …2019

    Research output per year

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    Research Output

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    Conference contribution
    2019

    Minimum detectable velocity (MDV) for ATI and STAP for high speed platforms

    Li, K. Y., Pillai, U. & Mudaliar, S., Apr 2019, 2019 IEEE Radar Conference, RadarConf 2019. Institute of Electrical and Electronics Engineers Inc., 8835591. (2019 IEEE Radar Conference, RadarConf 2019).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2018

    A comparison of receiver concepts for doubly-dispersive random channels

    Sgraja, C., Lindner, J. & Pillai, U., Mar 14 2018, 2004 International Waveform Diversity and Design Conference, WDD 2004 - Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-January. p. 1-3 3 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Energy threshold constraints in transmit waveform design

    Pillai, U., Li, K. Y. & Himed, B., Mar 21 2018, 2006 International Waveform Diversity and Design Conference, WDD 2006 - Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-January. p. 1-5 5 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Waveform diversity for space based radar

    Pillai, U., Himed, B. & Li, K. Y., Mar 14 2018, 2004 International Waveform Diversity and Design Conference, WDD 2004 - Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-January. p. 1-5 5 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2016

    Exploiting temporal proximity for moving target identification using bistatic/passive SAR

    Li, K. Y., Pillai, U. & Himed, B., Jun 3 2016, 2016 IEEE Radar Conference, RadarConf 2016. Institute of Electrical and Electronics Engineers Inc., 7485224

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Statistical performance analysis for GMTI using ATI phase distribution

    Pillai, U., Li, K. Y., Majumder, U., Minardi, M. J. & Sobota, D., 2016, Algorithms for Synthetic Aperture Radar Imagery XXIII. SPIE, Vol. 9843. 984307

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2015

    Geolocation of moving targets in Gotcha data using multimode processing

    Pillai, U., Li, K. Y. & Scarborough, S. M., 2015, Algorithms for Synthetic Aperture Radar Imagery XXII. SPIE, Vol. 9475. 947508

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Moving target geolocation in bistatic/passive SAR images using ATI

    Li, K. Y., Pillai, U. & Himed, B., Jun 22 2015, IEEE National Radar Conference - Proceedings. June ed. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-June. p. 45-50 6 p. 7130968

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Target geolocation in Gotcha data using panoramic processing

    Pillai, U., Li, K. Y. & Scarborough, S., Jun 22 2015, IEEE National Radar Conference - Proceedings. June ed. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-June. p. 21-26 6 p. 7130964

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2014

    Distribution of multi-look SAR and ATI using two phase centers

    Pillai, U. & Davis, M. E., Jan 1 2014, 2014 IEEE Radar Conference: From Sensing to Information, RadarCon 2014. Institute of Electrical and Electronics Engineers Inc., p. 22-26 5 p. 6875548. (IEEE National Radar Conference - Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Signal decomposition for wind turbine clutter mitigation

    Uysal, F., Pillai, U., Selesnick, I. & Himed, B., Jan 1 2014, 2014 IEEE Radar Conference: From Sensing to Information, RadarCon 2014. Institute of Electrical and Electronics Engineers Inc., p. 60-63 4 p. 6875555. (IEEE National Radar Conference - Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2013

    Joint Along Track Interferometry and Space-Time Adaptive Processing for target detection and geolocation

    Uysal, F., Murthy, V., Li, K. Y., Pillai, S. U. & Davis, M. E., Oct 7 2013, IEEE Radar Conference 2013: "The Arctic - The New Frontier", RadarCon 2013. 6585968. (IEEE National Radar Conference - Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2012

    Doppler-streak attenuation via oscillatory-plus-transient decomposition of IQ data

    Selesnick, I. W., Li, K. Y., Pillai, S. U. & Himed, B., Dec 1 2012, IET International Conference on Radar Systems, Radar 2012. 603 CP ed. 1638. (IET Conference Publications; vol. 2012, no. 603 CP).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Missing data recovery using low rank matrix completion methods

    Pillai, U., Murthy, V. & Selesnick, I., Jul 30 2012, 2012 IEEE Radar Conference: Ubiquitous Radar, RADARCON 2012 - Conference Program. p. 101-106 6 p. 6212119. (IEEE National Radar Conference - Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Modified space-time adaptive processing for dismount detection using synthetic aperture radar

    Li, K. Y., Uysal, F., Pillai, S. U. & Moore, L. J., Jul 30 2012, 2012 IEEE Radar Conference: Ubiquitous Radar, RADARCON 2012 - Conference Program. p. 116-121 6 p. 6212122. (IEEE National Radar Conference - Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Sparsity-based methods for interrupted radar data reconstruction

    Storm, K., Murthy, V., Selesnick, I. & Pillai, U., Jul 30 2012, 2012 IEEE Radar Conference: Ubiquitous Radar, RADARCON 2012 - Conference Program. p. 107-111 5 p. 6212120. (IEEE National Radar Conference - Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Waveforms for simultaneous SAR and GMTI

    Murthy, V., Pillai, U. & Davis, M. E., Jul 30 2012, 2012 IEEE Radar Conference: Ubiquitous Radar, RADARCON 2012 - Conference Program. p. 51-56 6 p. 6212110. (IEEE National Radar Conference - Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2011

    Chirp-like transmit waveforms with multiple frequency-notches

    Selesnick, I. W. & Pillai, S. U., Sep 12 2011, RadarCon'11 - In the Eye of the Storm: 2011 IEEE Radar Conference. p. 1106-1110 5 p. 5960706. (IEEE National Radar Conference - Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Constant envelope signals with prescribed discrete Fourier transform magnitude

    Pillai, S. U., Li, K. Y. & Himed, B., Sep 12 2011, RadarCon'11 - In the Eye of the Storm: 2011 IEEE Radar Conference. p. 470-473 4 p. 5960582. (IEEE National Radar Conference - Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2010

    Adaptive transmitter weight design for clutter suppression

    Pillai, S. U., Li, K. Y. & Himed, B., Nov 22 2010, 2010 2nd International Workshop on Cognitive Information Processing, CIP2010. p. 360-363 4 p. 5604206. (2010 2nd International Workshop on Cognitive Information Processing, CIP2010).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Angle-Doppler processing using sparse regularization

    Selesnick, I. W., Pillai, S. U., Li, K. Y. & Himed, B., Nov 8 2010, 2010 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2010 - Proceedings. p. 2750-2753 4 p. 5496219. (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    An iterative algorithm for the construction of notched chirp signals

    Selesnick, I. W., Pillai, S. U. & Zheng, R., Jul 30 2010, 2010 IEEE Radar Conference: Global Innovation in Radar, RADAR 2010 - Proceedings. p. 200-203 4 p. 5494625. (IEEE National Radar Conference - Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Design of unimodular sequences using generalized receivers

    Pillai, S. U., Li, K. Y., Zheng, R. & Himed, B., Jul 30 2010, 2010 IEEE Radar Conference: Global Innovation in Radar, RADAR 2010 - Proceedings. p. 729-734 6 p. 5494526. (IEEE National Radar Conference - Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2009

    Reconstruction of constant envelope signals with given Fourier transform magnitude

    Pillai, S. U., Ke, Y. L. & Beyer, H., Sep 11 2009, 2009 IEEE Radar Conference, RADAR 2009. 4976933. (IEEE National Radar Conference - Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2008

    Effect of wind on space-based radar performance

    Pillai, S. U., Li, K. Y. & Himed, B., Dec 1 2008, 2008 IEEE Radar Conference, RADAR 2008. 4721102. (2008 IEEE Radar Conference, RADAR 2008).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Efficient wideband processing without subbanding

    Unnikrishna Pillai, S., Li, K. Y. & Guerci, J. R., Dec 1 2008, 2008 IEEE Radar Conference, RADAR 2008. 4720938. (2008 IEEE Radar Conference, RADAR 2008).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Theory and application of optimum and adaptive MIMO radar

    Guerci, J. R., Wicks, M. C., Bergin, J. S., Techau, P. M. & Pillai, S. U., Jan 1 2008, 2008 IEEE Radar Conference, RADAR 2008. IEEE Computer Society, 4721122. (2008 IEEE Radar Conference, RADAR 2008).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Waveform design optimization using bandwidth and energy considerations

    Pillai, S. U., Li, K. Y. & Beyer, H., Dec 1 2008, 2008 IEEE Radar Conference, RADAR 2008. 4721069. (2008 IEEE Radar Conference, RADAR 2008).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2007

    A modulation based approach to wideband-STAP

    Li, K. Y., Pillai, U. S., Zulch, P. & Callahan, M., Dec 1 2007, Conference Record of the 41st Asilomar Conference on Signals, Systems and Computers, ACSSC. p. 1825-1829 5 p. 4487550. (Conference Record - Asilomar Conference on Signals, Systems and Computers).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Clutter impacts on space based radar GMTI: A global perspective

    Li, K. Y., Mangiat, S., Zulch, P. & Pillai, U., Sep 24 2007, 2007 IEEE Aerospace Conference Digest. 4161481. (IEEE Aerospace Conference Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Effect of bandwidth on wideband-stap performance

    Pillai, S. U., Li, K. Y. & Guerci, J. R., Dec 1 2007, Conference Record of the 41st Asilomar Conference on Signals, Systems and Computers, ACSSC. p. 2195-2198 4 p. 4487630. (Conference Record - Asilomar Conference on Signals, Systems and Computers).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2006

    Cramer-Rao bounds for target doppler and power in space based radar

    Pillai, S. U., Li, K. Y. & Himed, B., Dec 1 2006, 2006 IEEE Radar Conference. p. 452-458 7 p. 1631839. (IEEE National Radar Conference - Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Cramer-Rao bounds for target Doppler and power in space based radar

    Pillai, S. U., Li, K. Y. & Himed, B., Nov 21 2006, 2006 IEEE Radar Conference. p. 452-458 7 p. 1631839. (CIE International Conference of Radar Proceedings; vol. 2006).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Effect of terrain modeling and internal clutter motion on space based radar performance

    Mangiat, S., Li, K. Y., Pillai, S. U. & Himed, B., Dec 1 2006, 2006 IEEE Radar Conference. p. 310-317 8 p. 1631817. (IEEE National Radar Conference - Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2005

    Effect of Earth's rotation and range foldover on space based radar performance

    Pillai, U., Himed, B. & Li, K. Y., 2005, IEEE National Radar Conference - Proceedings. January ed. Institute of Electrical and Electronics Engineers Inc., Vol. 2005-January. p. 137-142 6 p. 1435808

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Geometrical Considerations for Terrain Mapping in SBR Applications

    Li, K. Y., Mangiat, S., Pillai, U. & Himed, B., May 2005, 2005 IEEE International Radar Conference, Arlington , VA.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Orthogonal pulsing schemes for improved target detection in space based radar

    Pillai, S. U., Himed, B. & Li, K. Y., Dec 1 2005, Proceedings - 2005 IEEE Aerospace Conference. 1559510. (IEEE Aerospace Conference Proceedings; vol. 2005).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2004

    Multi-channel Waveform Diversity for Improved Target Identification

    Pillai, U., Feb 2004, Second Tri-Service Waveform Diversity Workshop, Verona, NY.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Receiver design for rapidly time-varying channels

    Sgraja, C., Lindner, J. & Pillai, S. U., 2004, IEEE International Symposium on Information Theory - Proceedings. p. 553 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2003

    Performance analysis of data sample reduction techniques for STAP

    Pillai, U., Guerci, J. R. & Pillai, S. R., 2003, IEEE International Symposium on Phased Array Systems and Technology 2003, Array 2003. Institute of Electrical and Electronics Engineers Inc., Vol. 2003-January. p. 565-570 6 p. 1257043

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2002

    Joint optimal TX-RX design for multiple target identification problem

    Pillai, S. U., Guerci, J. R. & Radhakrishnan Pillai, S., Jan 1 2002, 2002 IEEE Sensor Array and Multichannel Signal Processing Workshop Proceedings, SAME 2002. IEEE Computer Society, p. 553-556 4 p. 1191101. (Proceedings of the IEEE Sensor Array and Multichannel Signal Processing Workshop; vol. 2002-January).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Optimized Multichannel Waveforms with Application to Polarimetrics

    Pillai, U. & Guerci, J. R., Mar 2002, Proceedings of the Adaptive Sensor Array Processing Workshop, MIT Lincoln Laboratory, Lexington, MA.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2001

    Optimized Target Detection and Identification using Full-Polarization Radar Waveforms

    Garren, D. A., Osborn, M. K., Odom, A. C., Goldstein, J. S., Pillai, U. & Guerci, J. R., Mar 2001, Proceedings of the Adaptive Sensor Array Processing Workshop, MIT Lincoln Laboratory, Lexington, MA.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2000

    Application of the Khatri-Rao Product to Statistical Array Processing

    Guerci, J. R. & Pillai, U., Mar 2000, International conference on Statistics: Reflections on the Past and Visions for the Future, San Antonio, TX.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Multichannel matched transmit-receiver design in presence of signal-dependent interference and noise

    Pillai, S. U., Oh, H. S. & Guerci, J. R., Jan 1 2000, Proceedings of the 2000 IEEE Sensor Array and Multichannel Signal Processing Workshop, SAME 2000. IEEE Computer Society, p. 385-389 5 p. 878035. (Proceedings of the IEEE Sensor Array and Multichannel Signal Processing Workshop; vol. 2000-January).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Theory and Application of Adaptive Transmitter Radar

    Guerci, J. R. & Pillai, U., Mar 2000, Proceedings of the Adaptive Sensor Array Processing (ASAP) Workshop, MIT Lincoln Laboratory, Lexington, MA.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1999

    Optimum transmit-receiver design in the presence of signal-dependent interference and channel noise

    Pillai, S. U., Youla, D. C., Oh, H. S. & Guerci, J. R., Jan 1 1999, Conference Record of the 33rd Asilomar Conference on Signals, Systems, and Computers. Matthews, M. B. (ed.). Institute of Electrical and Electronics Engineers Inc., p. 870-875 6 p. 831834. (Conference Record of the 33rd Asilomar Conference on Signals, Systems, and Computers; vol. 2).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1998

    Generalized forward/backward subaperture smoothing techniques for sample starved STAP

    Pillai, S. U., Guerci, J. R. & Kim, Y. L., Dec 1 1998, Proceedings of the 1998 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 1998. p. 2501-2504 4 p. 681659. (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings; vol. 4).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Optimal loading factor for minimal sample support space-time adaptive radar

    Kim, Y. L., Pillai, S. U. & Guerci, J. R., Dec 1 1998, Proceedings of the 1998 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 1998. p. 2505-2508 4 p. 681660. (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings; vol. 4).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Strategies for Minimal Sample Support STAP

    Pillai, U., Kim, Y. L. & Guerci, J. R., Mar 1998, Proceedings of the 6th Annual Workshop on Adaptive Sensor Array Processing, Lincoln Laboratory, MIT, Lexington.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution