Nicholas K. Spencer

35 papers Misc 7Journal 17Unranked 11
YearRankTypeTitle / Venue / Authors
2011 J jnl
Performance Analysis of Two-Dimensional Parametric STAP for Airborne Radar using KASSPER Data.
IEEE Trans. Aerosp. Electron. Syst.
Yuri I. Abramovich, Muralidhar Rangaswamy, Ben A. Johnson, Phillip M. Corbell, Nicholas K. Spencer
2009 — conf
Statistical nonidentifiability of close emitters: Maximum-likelihood estimation breakdown.
EUSIPCO
Yuri I. Abramovich, Ben A. Johnson, Nicholas K. Spencer
2008 J jnl
Two-Dimensional Multivariate Parametric Models for Radar Applications - Part I: Maximum-Entropy Extensions for Toeplitz-Block Matrices.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Ben A. Johnson, Nicholas K. Spencer
2008 J jnl
Two-Dimensional Multivariate Parametric Models for Radar Applications - Part II: Maximum-Entropy Extensions for Hermitian-Block Matrices.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Ben A. Johnson, Nicholas K. Spencer
2007 — conf
Diagonally Loaded Normalised Sample Matrix Inversion (LNSMI) for Outlier-Resistant Adaptive Filtering.
ICASSP (3)
Yuri I. Abramovich, Nicholas K. Spencer
2007 J jnl
GLRT-Based Threshold Detection-Estimation Performance Improvement and Application to Uniform Circular Antenna Arrays.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
2007 J jnl
Order Estimation and Discrimination Between Stationary and Time-Varying (TVAR) Autoregressive Models.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Michael D. E. Turley
2007 J jnl
Time-Varying Autoregressive (TVAR) Models for Multiple Radar Observations.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Michael D. E. Turley
2005 J jnl
Bounds on maximum likelihood ratio-Part II: application to antenna array detection-estimation with imperfect wavefront coherence.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
2004 — conf
Performance analysis of DOA estimation using uniform circular antenna arrays in the threshold region.
ICASSP (2)
Nicholas K. Spencer, Yuri I. Abramovich
2004 J jnl
Two-set adaptive detection-estimation of Gaussian sources in Gaussian noise.
Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Pavel Turcaj
2003 J jnl
Detection-estimation of more uncorrelated Gaussian sources than sensors in nonuniform linear antenna arrays - part III: detection-estimation nonidentifiability.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
2003 J jnl
Detection-estimation of more uncorrelated Gaussian sources than sensors in nonuniform linear antenna arrays. II. Partially augmentable arrays.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
2002 Misc conf
A lower bound for the maximum likelihood ratio: Sparse antenna array applications.
ICASSP
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
2002 — conf
DOA estimation performance breakdown: A new approach to prediction and cure.
EUSIPCO
Yuri I. Abramovich, Nicholas K. Spencer
2001 — conf
Detection nonidentifiability for independent Gaussian sources in nonuniform linear antenna arrays.
ISSPA
Yuri I. Abramovich, Nicholas K. Spencer
2001 J jnl
Detection-estimation of more uncorrelated Gaussian sources than sensors in nonuniform linear antenna arrays .I. Fully augmentable arrays.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
2001 Misc conf
Locally optimal maximum-likelihood estimate of a Toeplitz matrix of given rank.
ICASSP
Yuri I. Abramovich, Nicholas K. Spencer
2000 J jnl
DOA estimation for noninteger linear antenna arrays with more uncorrelated sources than sensors.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
2000 J jnl
Design of Nonuniform Linear Antenna Array Geometry and Signal Processing Algorithm for DOA Estimation of Gaussian Sources.
Digit. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer
2000 — conf
Detection-estimation of more uncorrelated Gaussian sources than sensors using partially augmentable sparse antenna arrays.
EUSIPCO
Yuri I. Abramovich, Nicholas K. Spencer
2000 Misc conf
Stability of manifold ambiguity resolution in DOA estimation with nonuniform linear antenna arrays.
ICASSP
Yuri I. Abramovich, Vladimir Gaitsgory, Nicholas K. Spencer
2000 J jnl
Stochastic-constraints method in nonstationary hot-clutter cancellation. II. Unsupervised training applications.
IEEE Trans. Aerosp. Electron. Syst.
Yuri I. Abramovich, Nicholas K. Spencer, Stuart J. Anderson
1999 Misc conf
Identifiability and manifold ambiguity in DOA estimation for nonuniform linear antenna arrays.
ICASSP
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
1999 — conf
Instability in DOA manifold ambiguity resolution.
ISSPA
Yuri I. Abramovich, Nicholas K. Spencer, Vladimir Gaitsgory
1999 — conf
Nonlinear signal processing and nonuniform linear antenna array design for DOA estimation of coherent sources.
NSIP
Nicholas K. Spencer
1999 J jnl
Positive-definite Toeplitz completion in DOA estimation for nonuniform linear antenna arrays. II. Partially augmentable arrays.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
1999 J jnl
Resolving manifold ambiguities in direction-of-arrival estimation for nonuniform linear antenna arrays.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
1998 — conf
DOA outlier mitigation for generalised spatial smoothing.
EUSIPCO
Yuri I. Abramovich, Nicholas K. Spencer
1998 Misc conf
Generalised spatial smoothing using partial arrays for multiple target bearing estimation.
ICASSP
Yuri I. Abramovich, Nicholas K. Spencer
1998 J jnl
Positive-definite Toeplitz completion in DOA estimation for nonuniform linear antenna arrays. I. Fully augmentable arrays.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Douglas A. Gray, Alexei Y. Gorokhov, Nicholas K. Spencer
1997 Misc conf
Generalised augmentation approach for arbitrary linear antenna arrays.
ICASSP
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
1996 — conf
Ambiguities In Direction-Of-Arrival Estimation for Nonuniform Linear Antenna Arrays.
ISSPA
Yuri I. Abramovich, Douglas A. Gray, Nicholas K. Spencer, Alexei Y. Gorokhov
1996 — conf
Comparison of DOA estimation performance for various types of sparse antenna array geometries.
EUSIPCO
Yuri I. Abramovich, O. A. Gray, Alexei Y. Gorokhov, Nicholas K. Spencer
1996 Misc conf
Positive-definite Toeplitz completion in DOA estimation for fully-augmentable nonuniform linear antenna arrays.
ICASSP
Yuri I. Abramovich, Douglas A. Gray, Alexei Y. Gorokhov, Nicholas K. Spencer