数字信号处理

1 Introduction 1．1 What Is a Signal 1．2 What Is a System 1．3 What Is Signal Processing 1．4 Classification of Signals 1．4．1　Deterministic and Random Signals 1．4．2　Continuous—Time and Discrete．TimeSignals 1．4．3　Periodic Signals and NonperiodicSignals 1．4．4　Energy Signals and Power Signals 1．5 verview ofDigital Signal Processing2　 Discrete—Time Signals and Systems 2．1　Discrete—Time Signals：Sequences 2．2 Basic Sequences 2．2．1　Some Basic Sequences 2．2．2　Periodicity of Sequences 2．2．3　Representation ofArbitrary Sequences 2．3　Discrete—Time systems 2．4　Time-Domain Representations ofLTI Systems 2．4．1　The Linear Convolution Sum 2．4．2　Interconnections ofLTI Systems 2．4．3 Stability Condition ofLTIsystems 2．4．4　Causality Condition ofLTI systems 2．4．5 Causal and AnticausalSequences- 2．5　Linear Constant．Coefficient Di圩erence Equations 2．5．1 Recursive Solution ofDifferenceEquations 2．5．2　Classical Solution ofDifferenceEquations 2．5．3 Zero-Input Response and Zer0．StateResponse 2．5．4　The Impulse Response ofCausal LTISystems 2．55　Recursive Solution ofImpulseResponses 2．5．6　Classification ofLTI Discrete．TimeSystems Problems3　Transform—Domain Analysis of Discrete—Time Signals andSystems 3．1　The -Transform 3．1．1　Definition ofthe Z-Transforln 3．1．2　A General Shape ofthe RegionofConvergence 3．1．3　niqueness ofthez-Transform- 3．2 Relation Between the RoCs and Sequence Types 3．3　The Z—Transform ofBasic Sequences 3．4　The Inverse z—Transform 3．4．1 Contour Integral Method 3．4．2　Partial Fraction Expansion Method 3．4．3　Long Division Method　……

本书系统地阐述了数字信号处理所涉及的信号与系统分析和系统设计的基本理论、基本分析与设计方法、基本算法和处理技术。全书共10章，主要内容包括：离散时间信号与系统的基本概念，离散时间信号与系统的变换域分析，包括z变换和离散时间傅里叶变换、连续时间信号的抽样与重建，离散傅里叶变换及其快速算法(FFT)，数字滤波器实现的基本结构，IIR和FIR数字滤波器的设计原理与基本设计方法，数字信号处理中的有限字长效应，多抽样率数字信号处理。本书配有多媒体电子课件、英文版教学大纲、习题指导与实验手册。本书可以作为电子与通信相关专业的本科数字信号处理课程中英文双语教学的教材，或中文授课的英文版教学参考书，也可供从事数字信号处理的工程技术人员学习参考。本书尤其适合初步开展数字信号处理课程中英文双语授课的师生选用。