1 Introduction |
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1 | (30) |
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1.1 Conventional Approach to the Design of Digital Filters |
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1 | (8) |
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9 | (18) |
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9 | (7) |
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16 | (11) |
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27 | (4) |
2 Adaptive Filtering |
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31 | (44) |
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31 | (1) |
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2.2 Structures of Digital Filters |
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31 | (5) |
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2.2.1 Filters with Infinite Impulse Response (I1R Filters) |
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32 | (2) |
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2.2.2 Filters with Finite Impulse Response (FIR Filters) |
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34 | (2) |
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2.3 Criterion Function for the Estimation of FIR Filter Parameters |
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36 | (9) |
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2.3.1 Mean Square Error (Risk) Criterion: MSE Criterion |
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37 | (2) |
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2.3.2 Minimization of the Criterion of Mean Square Error (Risk) |
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39 | (6) |
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2.4 Adaptive Algorithms for the Estimation of Parameters of FIR Filters |
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45 | (14) |
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2.4.1 Least Mean Square (LMS) Algorithm |
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46 | (3) |
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2.4.2 Least Squares Algorithm (LS Algorithm) |
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49 | (2) |
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2.4.3 Recursive Least Squares (RLS) Algorithm |
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51 | (2) |
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2.4.4 Weighted Recursive Least Squares (WRLS) Algorithm with Exponential Forgetting Factor |
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53 | (6) |
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2.5 Adaptive Algorithms for the Estimation of the Parameters of IIR Filters |
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59 | (16) |
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2.5.1 Recursive Prediction Error Algorithm (RPE Algorithm) |
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67 | (5) |
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2.5.2 Pseudo-Linear Regression (PLR) Algorithm |
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72 | (3) |
3 Finite Impulse Response Adaptive Filters with Variable Forgetting Factor |
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75 | (34) |
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3.1 Choice of Variable Forgetting Factor |
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75 | (26) |
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3.1.1 Choice of Forgetting Factor Based on the Extended Prediction Error |
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76 | (2) |
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3.1.2 Fortescue-Kershenbaum-Ydstie Algorithm |
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78 | (8) |
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3.1.3 Parallel Adaptation Algorithm (PA-RLS Algorithm) |
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86 | (7) |
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3.1.4 Generalized Weighted Least Squares Algorithm with Variable Forgetting Factor |
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93 | (3) |
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3.1.5 Modified Generalized Likelihood Ratio: MGLR Algorithm |
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96 | (5) |
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3.2 Experimental Analysis |
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101 | (8) |
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3.2.1 Comparative Analysis of Recursive Algorithms for the Estimation of Variable Forgetting Factor (Analysis of RLS Algorithm with EGP, FKY and PA Strategy for the Calculation of Variable Forgetting Factor) |
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101 | (8) |
4 Finite Impulse Response Adaptive Filters with Increased Convergence Speed |
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109 | (38) |
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4.1 Definition of the Parameter Identification Problem |
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110 | (2) |
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4.2 Finite Impulse Response Adaptive Filters with Optimal Input |
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112 | (3) |
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4.3 Convergence Analysis of Adaptive Algorithms |
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115 | (16) |
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4.4 Application of Recursive Least Squares Algorithm with Optimal Input for Local Echo Cancellation in Scrambling Systems |
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131 | (8) |
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4.4.1 Definition of the Local Echo Cancellation Problem in Scrambling Systems |
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133 | (1) |
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4.4.2 Experimental Analysis |
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134 | (5) |
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4.5 Application of Variable Forgetting Factor to Finite Impulse Response Adaptive Filter with Optimal Input |
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139 | (8) |
5 Robustification of Finite Impulse Response Adaptive Filters |
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147 | (40) |
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5.1 Robust Least Mean Square Algorithm |
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149 | (13) |
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5.1.1 Robustification of Least Mean Square Algorithm: Robust LMS Algorithm |
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152 | (3) |
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5.1.2 Stability Analysis of Robust Estimators |
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155 | (3) |
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5.1.3 Simulation-Based Experimental Analysis |
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158 | (4) |
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5.2 Robust Recursive Least Squares Algorithm with Optimal Output |
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162 | (8) |
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5.2.1 Experimental Analysis |
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168 | (2) |
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5.3 Adaptive Estimation of the Scaling Factor in Robust Algorithms |
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170 | (10) |
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5.3.1 Experimental Analysis |
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177 | (3) |
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5.4 Robust Recursive Least Squares Algorithm with Variable Forgetting Factor and with Detection of Impulse Noise |
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180 | (7) |
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5.4.1 Experimental Analysis |
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184 | (3) |
6 Application of Adaptive Digital Filters for Echo Cancellation in Telecommunication Networks |
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187 | (18) |
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6.1 Echo: Causes and Origins |
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189 | (7) |
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6.1.1 Echo in Speech Transmission |
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189 | (2) |
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191 | (1) |
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6.1.3 Echo in Data Transfer |
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192 | (1) |
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6.1.4 Basic Principles of Adaptive Echo Cancellation |
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193 | (3) |
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6.2 Mathematical Model of an Echo Cancellation System |
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196 | (1) |
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6.3 Analysis of the Influence of Excitation Signal to the Performance of Echo Cancellation System for Speech Signal Transmission |
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197 | (8) |
References |
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205 | (4) |
Index |
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209 | |