內容簡介
《自適應信號處理(英文版)》是自適應信號處理方麵的一部經典著作,係統介紹瞭自適應信號處理的原理、算法和結構及其在各個領域的應用。《自適應信號處理(英文版)》既有理論分析,又有物理概念闡述,核心內容是自適應綫性組閤器、LMS算法、自適應模擬與係統辨識、自適應控製係統、自適應波束形成器的分析。《自適應信號處理(英文版)》要求讀者具備工程和數學方麵的基礎知識,並具有編寫和運行計算機程序的能力。
《自適應信號處理(英文版)》特色:
·從特定工程係統的特性或特徵引入自適應的概念;
·描述一種可用於分析所有自適應係統的幾何“性能錶麵”;
·包含性能錶麵梯度估值的統計分析,以及各種搜索方法的比較;
·介紹瞭LMS算法與綫性組閤器以及其他自適應算法和結構,如序貫迴歸算法與自適應格型濾波結構等;
·涵蓋瞭自適應信號處理的主要應用;
·介紹瞭自適應模擬與自適應逆模擬,及其在通信和控製領域的應用;
·包含瞭自適應乾擾對消;
·介紹瞭自適應陣和波束形成。
作者簡介
作者:(美國)斯坦福大學 (美國)新墨西哥大學
目錄
LIST OF SYMBOLS
part ⅠGENERAL INTRODUCTION Objectives of Part Ⅰ
1 ADAPTIVE SYSTEMS
Definition. and Characteristics
Areas of Application
General Properties
Open- and Closed-Loop Adaptation
Applications of Closed-Loop Adaptation
Example of an Adaptive System
The Chapters Ahead
2 THE ADAPTIVE LINEAR COMBINER
General Description
Input Signal and Weight Vectors
Desired Response and Error
The Performance Function
Gradient and Minimum Mean-Square Error
Example of a Performance Surface
Alternative Expression of the GradiEnt
Decorrelation of Error and Input Components
Exercises
part Ⅱ THEORY OF ADAPTATION WITH STATIONARY SIGNALS
Objectives of Part Ⅱ
3 PROPERTIES OF THE QUADRATIC PERFORMANCE SURFACE
Normal Form of the Input Correlation Matrix
Eigenvalues and Eigenvectors of the Input Correlation Matrix
An Example with Two Weights
Geometrical Significance of Eigenvectors and Eigenvalues
A Second Example
Exercises
4 SEARCHING THE PERFORMANCE SURFACE
Methods of Searching the Performance Surface
Basic Ideas of Gradient Search Methods
A Simple Gradient Search Algorithm and Its Solution
Stability and Rate of Convergence
The Learning Curve
Gradient Search by Newton's Method
Newton's Method in Multidimensional Space
Gradient Search by the Method of Steepest Descent
Comparison of Learning Curves
Exercises
5 GRADIENT ESTIMATION AND ITS EFFECTS ON ADAPTATION
Gradient Component Estimation by Derivative Measurement
part Ⅲ ADAPTIVE AL GORITHMS AND STRUCTURES
part Ⅳ APPLICATIONS
APPENDIX A A Portable Random Number Generator
INDEX
精彩書摘
Bernard Widrow畢業於麻省理工學院,斯坦福大學電子工程係教授。他的主要研究興趣包括自適應信號處理、自適應控製係統和自適應神經網絡。除本書外,他還與他人閤著瞭《Adaptive Inverse Control》一書。
前言/序言
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