李剛,教授,博士生導(dǎo)師,浙江省“錢江學(xué)者”特聘教授。1982年1月畢業(yè)于北京工業(yè)學(xué)院(現(xiàn)北京理工大學(xué)),1990年11月獲比利時新魯汶大學(xué)工學(xué)博士。1992年4月至2007年2月在新加坡南洋理工大學(xué)任教。長期從事信號處理、系統(tǒng)與控制理論等方面的教學(xué)與研究,主要研究方向為信號變換與壓縮、數(shù)字系統(tǒng)結(jié)構(gòu)與參數(shù)化理論及優(yōu)化方法。
常麗萍,博士,副教授,2008年6月畢業(yè)于中國科學(xué)院上海光學(xué)精密機(jī)械研究所,目前在浙江工業(yè)大學(xué)信息工程學(xué)院從事教學(xué)和科研工作。研究方向為信號稀疏表示模型、壓縮感知與信號檢測等。
李勝,博士,講師,2010年12月取得英國約克大學(xué)博士學(xué)位,曾獲約克大學(xué)授予的K.M.Stott科研獎。于2011年10月在德國伊爾梅瑙工業(yè)大學(xué)通信研究實驗室結(jié)束博士后工作,目前在浙江工業(yè)大學(xué)任教。主要研究方向包括自適應(yīng)算法、無線通信系統(tǒng)、通信接收機(jī)設(shè)計、干擾消除等。
Preface
Chapter 1 Introduction
1.1 Overview of signals and systems
1.1.1 What is a signal?
1.1.2 What is a system?
1.2 Description and classification of signals
1.2.1 Continuous-time signals and discrete-time signals
1.2.2 Energy signals and power signals
1.2.3 Periodic signals and non-periodic signals
1.2.4 Deterministic signals and random signals
1.2.5 Elementary signals
1.3 Description of Systems
1.3.1 Elementary systems
1.3.2 System modelling
1.4 Properties of systems
1.4.1 Memoryless and with memory
1.4.2 Causality
1.4.3 Invertibility
1.4.4 Stability
1.4.5 Time-invariance
1.4.6 Linearity
1.5 Summary
1.6 Problems
Chapter 2 Time-domain Analysis of LTI Systems
2.1 Introduction
2.2 The unit impulse response and convolutions
2.2.1 The convolution sum ~
2.2.2 The convolution integral
2.3 Properties of convolutions and equivalent systems
2.4 Causality and stability of LTI systems
2.5 Systems constrained with LCCDEs
2.5.1 Continuous-time systems constrained with LCCDEs
2.5.2 Discrete-time systems characterized by LCCDEs
2.6 Summary
2.7 Problems
Chapter 3 Fourier Analysis of Signals
3.1 Introduction
3.2 Fourier series for continuous-time periodic signals
3.3 Fourier series for discrete-time periodic signals
3.4 Why should a signal be transformed?
3.5 Fourier transform for continuous-time signals
3.5.1 Properties of Fourier transform
3.5.2 Inverse Fourier transform
3.6 The discrete-time Fourier transform
3.6.1 Properties of DTFT
3.6.2 Inverse DTFT
3.7 Fourier series and Fourier transforms
3.8 Summary
3.9 Problems
Chapter 4 Frequency-domain Approach to LTI Systems
4.1 Introduction
4.2 Frequency response of LTI systems
4.3 Bode plots for continuous-time LTI systems
4.4 Frequency response of LTIs described with LCCDEs
4.5 Frequency domain approach to system outputs
4.6 Some typical LTI systems
4.6.1 All-pass systems
4.6.2 Linear phase response systems
4.6.3 Ideal filters
4.6.4 Ideal transmission channels
4.7 Summary
4.8 Problems
Chapter 5 Discrete Processing of Analog Signals
5.1 Introduction
5.2 Sampling of a continuous-time signal
5.3 Spectral relationship and sampling theorem
5.4 Reconstruction of continuous-time signals
5.5 Hybrid systems for discrete processing
5.6 Discrete Fourier transform
5.7 Compressed sensing
5.8 Summary
5.9 Problems
Chapter 6 Transform-domain Approaches
Chapter 7 Structures and State-space Realizations
Chapter 8 Comprehensive Problems
Appendices
Bibliography