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Unnikrishna Pillai

Full Professor Electrical Engineering

    1974 …2019
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    Research Output

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    2014

    Dynamic clutter mitigation using sparse optimization

    Uysal, F., Selesnick, I., Pillai, U. & Himed, B., 2014, In : IEEE Aerospace and Electronic Systems Magazine. 29, 7, p. 37-49 13 p., 6888958.

    Research output: Contribution to journalArticle

    Waveform diversity for ultra-wide band surveillance radars

    Davis, M. E. & Pillai, U., Dec 1 2014, In : IET Radar, Sonar and Navigation. 8, 9, p. 1226-1233 8 p.

    Research output: Contribution to journalArticle

    2008

    Cramer-Rao bounds for target parameters in space-based radar applications

    Pillai, U., Li, K. Y. & Himed, B., 2008, In : IEEE Transactions on Aerospace and Electronic Systems. 44, 4, p. 1356-1370 15 p.

    Research output: Contribution to journalArticle

    2006

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

    Pillai, U., Himed, B. & Li, K. Y., 2006, In : IEEE Transactions on Aerospace and Electronic Systems. 42, 3, p. 917-931 15 p.

    Research output: Contribution to journalArticle

    2005

    The Perron-Frobenius theorem

    Pillai, U., Suel, T. & Cha, S., 2005, In : IEEE Signal Processing Magazine. 22, 2, p. 62-75 14 p.

    Research output: Contribution to journalArticle

    2002

    Full-polarization matched-illumination for target detection and identification

    Garren, D. A., Odom, A. C., Osborn, M. K., Goldstein, J. S., Pillai, U. & Guerci, J. R., Jul 2002, In : IEEE Transactions on Aerospace and Electronic Systems. 38, 3, p. 824-837 14 p.

    Research output: Contribution to journalArticle

    2001

    Enhanced target detection and identification via optimised radar transmission pulse shape

    Garren, D. A., Osborn, M. K., Odom, A. C., Goldstein, J. S., Pillai, U. & Guerci, J. R., Jun 2001, In : IEE Proceedings: Radar, Sonar and Navigation. 148, 3, p. 130-138 9 p.

    Research output: Contribution to journalArticle

    2000

    Generalized forward/backward subaperture smoothing techniques for sample starved STAP

    Pillai, U., Kim, Y. L. & Guerci, J. R., Dec 2000, In : IEEE Transactions on Signal Processing. 48, 12, p. 3569-3574 6 p.

    Research output: Contribution to journalArticle

    Matched Transmit-Receiver Design in Presence of Signal Dependent Interference

    Pillai, U., Oh, H. S., Guerci, J. R. & Youla, D. C., Mar 2000, In : IEEE Transactions on Information Theory. 1T-46, 3, p. 577-584 8 p.

    Research output: Contribution to journalArticle

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

    Pillai, U., Oh, H. S., Youla, D. C. & Guerci, J. R., 2000, In : IEEE Transactions on Information Theory. 46, 2, p. 577-584 8 p.

    Research output: Contribution to journalArticle

    1999

    Blind image deconvolution using a robust GCD approach

    Pillai, U. & Liang, B., 1999, In : IEEE Transactions on Image Processing. 8, 2, p. 295-301 7 p.

    Research output: Contribution to journalArticle

    1997

    A new study of the problem of compatible impedances

    Youla, D. C., Winter, F. & Pillai, U., Nov 1997, In : International Journal of Circuit Theory and Applications. 25, 6, p. 541-560 20 p.

    Research output: Contribution to journalArticle

    Wave-oriented signal processing of dispersive time-domain scattering data

    Carin, L., Felsen, L. B., Kralj, D. R., Oh, H. S., Lee, W. C. & Pillai, U., 1997, In : IEEE Transactions on Antennas and Propagation. 45, 4, p. 592-600 9 p.

    Research output: Contribution to journalArticle

    1996

    Multichannel stable systems that extend the partial impulse response Matrices

    Lee Cheol, W. & Pillai, U., 1996, In : IEEE Transactions on Signal Processing. 44, 10, p. 2521-2536 16 p.

    Research output: Contribution to journalArticle

    1994

    Dispersive modes in the time domain: analysis and time-frequency representation

    Carin, L., Felsen, L. B., Kralj, D., Pillai, U. & Lee, W. C., Jan 1994, In : IEEE Microwave and Guided Wave Letters. 4, 1, p. 23-25 3 p.

    Research output: Contribution to journalArticle

    1993

    A New Technique for ARMA-System Identification and Rational Approximation

    Pillai, U. & Shim, T. I., 1993, In : IEEE Transactions on Signal Processing. 41, 3, p. 1281-1304 24 p.

    Research output: Contribution to journalArticle

    Block Toeplitz matrix inversion using Levinson polynomials

    Lee, W. C. & Pillai, U., Nov 1993, In : IEEE Transactions on Signal Processing. 41, 11

    Research output: Contribution to journalArticle

    Uniqueness of a two-step predictor based spectral estimator that generalizes the maximum entropy concept

    Shim, T. I., Pillai, U. & Lee, W. C., Sep 1993, In : IEEE Transactions on Signal Processing. 41, 9, p. 2942-2946 5 p.

    Research output: Contribution to journalArticle

    1992

    A new spectrum extension method that maximizes the multistep minimum prediction error--Generalization of the maximum entropy concept

    Pillai, U., Shim, T. I. & Benteftifa, M. H., Jan 1992, In : IEEE Transactions on Signal Processing. 40, 1, p. 142-158 17 p.

    Research output: Contribution to journalArticle

    Theory and Design of Maximally Flat Low-Pass, High-Pass Reactance-Ladder Diplexers

    Youla, D. C., Pillai, U. & Winter, F., May 1992, In : IEEE Transactions on Circuits and Systems. 39, 5, p. 337-350 13 p.

    Research output: Contribution to journalArticle

    1990

    An algorithm for near-optimal placement of sensor elements

    Pearson, D., Pillai, U. & Lee, Y., Nov 1990, In : IEEE Transactions on Information Theory. 36, 6, p. 1280-1284 5 p.

    Research output: Contribution to journalArticle

    Image reconstruction from one bit of phase information

    Pillai, U. & Elliott, B., 1990, In : Journal of Visual Communication and Image Representation. 1, 2, p. 153-157 5 p.

    Research output: Contribution to journalArticle

    1989

    A self inversive array processing scheme for angle-of-arrival estimation

    Kwon, B. H. & Pillai, U., 1989, In : Signal Processing. 17, 3, p. 259-277 19 p.

    Research output: Contribution to journalArticle

    A uniqueness characterization in terms of signed-magnitude for functions in the polydisc algebra

    Youla, D. C. & Pillai, U., Jun 1989, In : Journal of the Optical Society of America. 6, 6, p. 859-862

    Research output: Contribution to journalArticle

    Coherent signal classification using symmetry considerations

    Pillai, U. & Lee, Y., Jan 1989, In : IEEE Transactions on Acoustics, Speech, and Signal Processing. 37, 1, p. 135-138 4 p.

    Research output: Contribution to journalArticle

    Forward/backward spatial smoothing techniques for coherent signal identification

    Pillai, U. & Kwon, B. H., Jan 1989, In : IEEE Transactions on Acoustics, Speech, and Signal Processing. 37, 1, p. 8-15 8 p.

    Research output: Contribution to journalArticle

    1987
    1985

    A MAP Estimate that Maximizes Entropy—An Alternative Interpretation for an Autoregressive Model

    Pillai, U., 1985, In : Proceedings of the IEEE. 73, 4, p. 843-844 2 p.

    Research output: Contribution to journalArticle

    NEW APPROACH TO ARRAY GEOMETRY FOR IMPROVED SPATIAL SPECTRUM ESTIMATION.

    Pillai, U., Bar-Ness, Y. & Haber, F., Oct 1985, In : Proceedings of the IEEE. 73, 10, p. 1522-1524 3 p.

    Research output: Contribution to journalArticle

    1977

    Ultimate strength and design of concrete walls

    Pillai, U. & Parthasarathy, C. V., 1977, In : Building and Environment. 12, 1, p. 25-29 5 p.

    Research output: Contribution to journalArticle

    1974

    BEAM-COLUMNS OF HOLLOW STRUCTURAL SECTIONS.

    Pillai, U., Dec 1974, In : Canadian Journal of Civil Engineering. 1, 2, p. 194-198 5 p.

    Research output: Contribution to journalArticle