Adaptive Signal Processing Next Generation Solutions

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Edition: 1st
Format: Hardcover
Pub. Date: 2010-03-15
Publisher(s): Wiley-IEEE Press
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Summary

This book presents the latest research results in adaptive signal processing with an emphasis on important applications and theoretical advancements. Each chapter is self-contained, comprehensive in its coverage, and written by a leader in his or her field of specialty. A uniform style is maintained throughout the book and each chapter concludes with problems for readers to reinforce their understanding of the material presented. The book can be used as a reliable reference for researchers and practitioners or as a textbook for graduate students.

Author Biography

Tulay Adali, PhD, is Professor of Electrical Engineering and Director of the Machine Learning for Signal Processing Laboratory at the University of Maryland, Baltimore County. Her research interests are in statistical and adaptive signal processing, with emphasis on nonlinear and complex-valued signal processing, and applications in biomedical data analysis and communications. Simon Haykin PhD, is Distinguished University Professor and Director of the Cognitive Systems Laboratory in the Faculty of Engineering at McMaster University. A world-renowned authority on adaptive and learning systems, Dr. Haykin has pioneered signal-processing techniques and systems for radar and communication applications, culminating in the study of cognitive dynamic systems, which has become his research passion.

Table of Contents

Prefacep. xi
Contributorsp. xv
Complex-Valued Adaptive Signal Processingp. 1
Introductionp. 1
Why Complex-Valued Signal Processingp. 3
Outline of the Chapterp. 5
Preliminariesp. 6
Notationp. 6
Efficient Computation of Derivatives in the Complex Domainp. 9
Complex-to-Real and Complex-to-Complex Mappingsp. 17
Series Expansionsp. 20
Statistics of Complex-Valued Random Variables and Random Processesp. 24
Optimization in the Complex Domainp. 31
Basic Optimization Approaches in RNp. 31
Vector Optimization in CNp. 34
Matrix Optimization in CNp. 37
Newton-Variant Updatesp. 38
Widely Linear Adaptive Filteringp. 40
Linear and Widely Linear Mean-Square Error Filterp. 41
Nonlinear Adaptive Filtering with Multilayer Perceptronsp. 47
Choice of Activation Function for the MLP Filterp. 48
Derivation of Back-Propagation Updatesp. 55
Complex Independent Component Analysisp. 58
Complex Maximum Likelihoodp. 59
Complex Maximization of Non-Gaussianityp. 64
Mutual Information Minimization: Connections to ML and MNp. 66
Density Matchingp. 67
Numerical Examplesp. 71
Summaryp. 74
Acknowledgmentp. 76
Problemsp. 76
Referencesp. 79
Robust Estimation Techniques for Complex-Valued Random Vectorsp. 87
Introductionp. 87
Signal Modelp. 88
Outline of the Chapterp. 90
Statistical Characterization of Complex Random Vectorsp. 91
Complex Random Variablesp. 91
Complex Random Vectorsp. 93
Complex Elliptically Symmetric (CES) Distributionsp. 95
Definitionp. 96
Circular Casep. 98
Testing the Circularity Assumptionp. 99
Tools to Compare Estimatorsp. 102
Robustness and Influence Functionp. 102
Asymptotic Performance of an Estimatorp. 106
Scatter and Pseudo-Scatter Matricesp. 107
Background and Motivationp. 107
Definitionp. 108
M-Estimators of Scatterp. 110
Array Processing Examplesp. 114
Beamformersp. 114
Subspace Methodsp. 115
Estimating the Number of Sourcesp. 118
Subspace DOA Estimation for Noncircular Sourcesp. 120
MVDR Beamformers Based on M-Estimatorsp. 121
The Influence Function Studyp. 123
Robust ICAp. 128
The Class of DOGMA Estimatorsp. 129
The Class of GUT Estimatorsp. 132
Communications Examplep. 134
Conclusionp. 137
Problemsp. 137
Referencesp. 138
Turbo Equalizationp. 143
Introductionp. 143
Contextp. 144
Communication Chainp. 145
Turbo Decoder: Overviewp. 147
Basic Properties of Iterative Decodingp. 151
Forward-Backward Algorithmp. 152
With Intersymbol Interferencep. 160
Simplified Algorithm: Interference Cancelerp. 163
Capacity Analysisp. 168
Blind Turbo Equalizationp. 173
Differential Encodingp. 179
Convergencep. 182
Bit Error Probabilityp. 187
Other Encoder Variantsp. 190
EXIT Chart for Interference Cancelerp. 192
Related Analysesp. 194
Multichannel and Multiuser Settingsp. 195
Forward-Backward Equalizerp. 196
Interference Cancelerp. 197
Multiuser Casep. 198
Concluding Remarksp. 199
Problemsp. 200
Referencesp. 206
Subspace Tracking for Signal Processingp. 211
Introductionp. 211
Linear Algebra Reviewp. 213
Eigenvalue Value Decompositionp. 213
QR Factorizationp. 214
Variational Characterization of Eigenvalues/Eigenvectors of Real Symmetric Matricesp. 215
Standard Subspace Iterative Computational Techniquesp. 216
Characterization of the Principal Subspace of a Covariance Matrix from the Minimization of a Mean Square Errorp. 218
Observation Model and Problem Statementp. 219
Observation Modelp. 219
Statement of the Problemp. 220
Preliminary Example: Oja's Neuronp. 221
Subspace Trackingp. 223
Subspace Power-Based Methodsp. 224
Projection Approximation-Based Methodsp. 230
Additional Methodologiesp. 232
Eigenvectors Trackingp. 233
Rayleigh Quotient-Based Methodsp. 234
Eigenvector Power-Based Methodsp. 235
Projection Approximation-Based Methodsp. 240
Additional Methodologiesp. 240
Particular Case of Second-Order Stationary Datap. 242
Convergence and Performance Analysis Issuesp. 243
A Short Review of the ODE Methodp. 244
A Short Review of a General Gaussian Approximation Resultp. 246
Examples of Convergence and Performance Analysisp. 248
Illustrative Examplesp. 256
Direction of Arrival Trackingp. 257
Blind Channel Estimation and Equalizationp. 258
Concluding Remarksp. 260
Problemsp. 260
Referencesp. 266
Particle Filteringp. 271
Introductionp. 272
Motivation for Use of Particle Filteringp. 274
The Basic Ideap. 278
The Choice of Proposal Distribution and Resamplingp. 289
Choice of Proposal Distributionp. 290
Resamplingp. 291
Some Particle Filtering Methodsp. 295
SIR Particle Filteringp. 295
Auxiliary Particle Filteringp. 297
Gaussian Particle Filteringp. 301
Comparison of the Methodsp. 302
Handling Constant Parametersp. 305
Kernel-Based Auxiliary Particle Filterp. 306
Density-Assisted Particle Filterp. 308
Rao-Blackwellizationp. 310
Predictionp. 314
Smoothingp. 316
Convergence Issuesp. 320
Computational Issues and Hardware Implementationp. 323
Acknowledgmentsp. 324
Exercisesp. 325
Referencesp. 327
Nonlinear Sequential State Estimation for Solving Pattern-Classification Problemsp. 333
Introductionp. 333
Back-Propagation and Support Vector Machine-Learning Algorithms: Reviewp. 334
Back-Propagation Learningp. 334
Support Vector Machinep. 337
Supervised Training Framework of MLPs Using Nonlinear Sequential State Estimationp. 340
The Extended Kalman Filterp. 341
The EKF Algorithmp. 344
Experimental Comparison of the Extended Kalman Filtering Algorithm with the Back-Propagation and Support Vector Machine Learning Algorithmsp. 344
Concluding Remarksp. 347
Problemsp. 348
Referencesp. 348
Bandwidth Extension of Telephony Speechp. 349
Introductionp. 349
Organization of the Chapterp. 352
Nonmodel-Based Algorithms for Bandwidth Extensionp. 352
Oversampling with Imagingp. 353
Application of Nonlinear Characteristicsp. 353
Basicsp. 354
Source-Filter Modelp. 355
Parametric Representations of the Spectral Envelopep. 358
Distance Measuresp. 362
Model-Based Algorithms for Bandwidth Extensionp. 364
Generation of the Excitation Signalp. 365
Vocal Tract Transfer Function Estimationp. 369
Evaluation of Bandwidth Extension Algorithmsp. 383
Objective Distance Measuresp. 383
Subjective Distance Measuresp. 385
Conclusionp. 388
Problemsp. 388
Referencesp. 390
Indexp. 393
Table of Contents provided by Ingram. All Rights Reserved.

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