Andrew T. Walden

Publication Activity (10 Years)

Years Active: 1994-2024
Publications (10 Years): 6

Top Topics

Frequency Domain

Singular Value Decomposition

Top Venues

IEEE Trans. Signal Process.

IEEE Signal Process. Lett.

COMPLEX NETWORKS (2)

Publications

Andrew T. Walden
Generating Different Gaussian Multivariate Processes With Identical Graphs. IEEE Signal Process. Lett. 31 (2024)
Johannes F. Lutzeyer, Andrew T. Walden
Comparing Spectra of Graph Shift Operator Matrices. COMPLEX NETWORKS (2) (2019)
Andrew T. Walden, Zia Ziang Leong
Tapering Promotes Propriety for Fourier Transforms of Real-Valued Time Series. IEEE Trans. Signal Process. 66 (17) (2018)
Swati Chandna, Andrew T. Walden
A Frequency Domain Test for Propriety of Complex-Valued Vector Time Series. IEEE Trans. Signal Process. 65 (6) (2017)
L. Zhuang, Andrew T. Walden
Sample Mean Versus Sample Fréchet Mean for Combining Complex Wishart Matrices: A Statistical Study. IEEE Trans. Signal Process. 65 (17) (2017)
Deborah Schneider-Luftman, Andrew T. Walden
Partial Coherence Estimation via Spectral Matrix Shrinkage under Quadratic Loss. IEEE Trans. Signal Process. 64 (22) (2016)
Andrew T. Walden, Deborah Schneider-Luftman
Random Matrix Derived Shrinkage of Spectral Precision Matrices. IEEE Trans. Signal Process. 63 (17) (2015)
R. J. Wolstenholme, Andrew T. Walden
An Efficient Approach to Graphical Modeling of Time Series. IEEE Trans. Signal Process. 63 (12) (2015)
Paul Ginzberg, Andrew T. Walden
Quaternion VAR Modelling and Estimation. IEEE Trans. Signal Process. 61 (1) (2013)
Swati Chandna, Andrew T. Walden
Simulation Methodology for Inference on Physical Parameters of Complex Vector-Valued Signals. IEEE Trans. Signal Process. 61 (21) (2013)
Paul Ginzberg, Andrew T. Walden
Matrix-Valued and Quaternion Wavelets. IEEE Trans. Signal Process. 61 (6) (2013)
Andrew T. Walden, Ed A. K. Cohen
Statistical Properties for Coherence Estimators From Evolutionary Spectra. IEEE Trans. Signal Process. 60 (9) (2012)
Ed A. K. Cohen, Andrew T. Walden
Wavelet Coherence for Certain Nonstationary Bivariate Processes. IEEE Trans. Signal Process. 59 (6) (2011)
Paul Ginzberg, Andrew T. Walden
Testing for Quaternion Propriety. IEEE Trans. Signal Process. 59 (7) (2011)
Z. Yang, Andrew T. Walden, Emma J. McCoy
Correntropy: Implications of nonGaussianity for the moment expansion and deconvolution. Signal Process. 91 (4) (2011)
Swati Chandna, Andrew T. Walden
Statistical Properties of the Estimator of the Rotary Coefficient. IEEE Trans. Signal Process. 59 (3) (2011)
Ed A. K. Cohen, Andrew T. Walden
A statistical analysis of morse wavelet coherence. IEEE Trans. Signal Process. 58 (3) (2010)
Ed A. K. Cohen, Andrew T. Walden
A statistical study of temporally smoothed wavelet coherence. IEEE Trans. Signal Process. 58 (6) (2010)
Andrew T. Walden, Patrick Rubin-Delanchy
On Testing for Impropriety of Complex-Valued Gaussian Vectors. IEEE Trans. Signal Process. 57 (3) (2009)
Tarek Medkour, Andrew T. Walden
Statistical Properties of the Estimated Degree of Polarization. IEEE Trans. Signal Process. 56 (1) (2008)
Patrick Rubin-Delanchy, Andrew T. Walden
Kinematics of Complex-Valued Time Series. IEEE Trans. Signal Process. 56 (9) (2008)
Tarek Medkour, Andrew T. Walden
A Variance Equality Test for Two Correlated Complex Gaussian Variables With Application to Spectral Power Comparison. IEEE Trans. Signal Process. 55 (3) (2007)
Tarek Medkour, Andrew T. Walden
Attenuation Estimation From Correlated Sequences. IEEE Trans. Signal Process. 55 (1) (2007)
Patrick Rubin-Delanchy, Andrew T. Walden
Simulation of Improper Complex-Valued Sequences. IEEE Trans. Signal Process. 55 (11) (2007)
Sofia C. Olhede, Andrew T. Walden
Local directional denoising. IEEE Trans. Signal Process. 53 (12) (2005)
Sofia C. Olhede, Andrew T. Walden
Wavelet denoising for signals in quadrature. Integr. Comput. Aided Eng. 12 (1) (2005)
Sofia C. Olhede, Andrew T. Walden
Noise reduction in directional signals using multiple Morse wavelets illustrated on quadrature Doppler ultrasound. IEEE Trans. Biomed. Eng. 50 (1) (2003)
E. Tsakiroglou, Andrew T. Walden
From Blackman-Tukey pilot estimators to wavelet packet estimators: a modern perspective on an old spectrum estimation idea. Signal Process. 82 (10) (2002)
Alberto Contreras-Cristán, Andrew T. Walden
Multitaper power spectrum estimation and thresholding: wavelet packets versus wavelets. IEEE Trans. Signal Process. 50 (12) (2002)
Sofia C. Olhede, Andrew T. Walden
Generalized Morse wavelets. IEEE Trans. Signal Process. 50 (11) (2002)
Andrew T. Walden, Alberto Contreras-Cristán
Matching pursuit by undecimated discrete wavelet transform for non-stationary time series of arbitrary length. Stat. Comput. 8 (3) (1998)
Andrew T. Walden, Roy E. White
Seismic wavelet estimation: a frequency domain solution to a geophysical noisy input-output problem. IEEE Trans. Geosci. Remote. Sens. 36 (1) (1998)
Andrew T. Walden, Donald B. Percival, Emma J. McCoy
Spectrum estimation by wavelet thresholding of multitaper estimators. IEEE Trans. Signal Process. 46 (12) (1998)
Emma J. McCoy, Andrew T. Walden, Donald B. Percival
Multitaper spectral estimation of power law processes. IEEE Trans. Signal Process. 46 (3) (1998)
Andrew T. Walden
Multitaper estimation of the innovation variance of a stationary time series. IEEE Trans. Signal Process. 43 (1) (1995)
Andrew T. Walden, Emma J. McCoy, Donald B. Percival
The variance of multitaper spectrum estimates for real Gaussian processes. IEEE Trans. Signal Process. 42 (2) (1994)