信號與係統基礎/高等學校電子信息類專業係列教材 [Fundamentals of Signals and Systems] 下載 mobi epub pdf 電子書 2024

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　　“信號與係統”是包括電氣工程、電子信息工程、通信工程和自動化等本科專業重要的專業基礎課程之一。本教材對應於全國雙語示範課程。作者結閤多年在國內外的教學經驗及心得，針對當前雙語教學及全英文教學現狀，著眼於學生自學能力的培養和分析問題能力的提高，編寫瞭本書。
　　本教材教輔資源完整，可到清華大學齣版社網站本書頁麵下載。
　　側重培養學生分析問題的能力及注重研究問題方法的學習。與現有同類中英文教材相比：
　　文字精煉，內容安排上采用模擬-離散雙域交替的方式。
　　在處理常係數綫性微分（差分）方程及由其描述的綫性時不變係統及與變換的關係上有獨到之處。
　　知識體係完整，係統及邏輯性強，同時也適用於自學。

內容簡介

　　“信號與係統”是電氣工程、電子信息工程、通信工程和自動化等本科專業重要的基礎課程之一。《信號與係統基礎/高等學校電子信息類專業係列教材》對應於“信號與係統”全國雙語示範課程。書中凝練瞭作者多年的教學經驗及心得，針對國內雙語及全英文教學現狀，力求培養學生的自學能力和分析問題的能力。
　　《信號與係統基礎/高等學校電子信息類專業係列教材》特色：
　　1）文字簡練，內容安排上采用模擬-離散雙域交替的方式。
　　2）在處理常係數綫性微分（差分）方程及由其描述的綫性時不變係統與變換的關係上有獨到之處。
　　3）知識體係完整，係統及邏輯性強，同時也適用於自學。詳見書中前言（Preface）部分。

作者簡介

　　李剛，教授，博士生導師，浙江省“錢江學者”特聘教授。1982年1月畢業於北京工業學院(現北京理工大學)，1990年11月獲比利時新魯汶大學工學博士。1992年4月至2007年2月在新加坡南洋理工大學任教。長期從事數字信號處理、係統與控製理論等方麵的教學與研究。主要研究方嚮為信號變換與壓縮、數字係統結構與參數化理論及優化方法。

　　常麗萍，博士，副教授，2008年6月畢業於中國科學院上海光學精密機械研究所，目前在浙江工業大學信息工程學院從事教學和科研工作。研究方嚮為信號稀疏錶示模型、壓縮感知與信號檢測等。

　　李勝，博士，講師，2010年12月取得英國約剋大學博士學位，曾獲約剋大學授予的K.M.Stott科研奬，於2011年10月在德國伊爾梅瑙工業大學通信研究實驗室結束博士後工作。目前在浙江工業大學任教。主要研究方嚮包括自適應算法、無綫通信係統、通信接收機設計、乾擾消除等。

內頁插圖

目錄

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

前言/序言

　　The concepts of signals and systems are the corner-stone of a wide variety of areas, ranging from home-oriented consumer electronics and multimedia entertainment products to sophisticated communications, aeronautics and astronautics, and control. The ideas and approaches associated with these concepts have great e.ects on our life in one way or another. Although the signals and systems which arise across those .elds are naturally di.erent in their physical make-up and application, the principles and tools for analyzing signals and systems are the same and hence applicable to all of them. Therefore, an introductory course on signals and systems is fundamental and compulsory for an engineering under-graduate curriculum in any well-established tertiary (education) institutions. Such a course is commonly designed in one of the two forms below:
　　.
　　a one-semester subject that intends to provide students with a rich set of concepts and tools for analyzing deterministic signals and an important class of systems known as linear time-invariant systems;
　　.
　　a two-semester subject that expands on the one-semester course by adding more detailed treatment of signal processing and systems for speci.ed applications such as communications, multimedia signal processing and control engineering.
　　This book takes the .rst form and assumes that the students have a background in calculus and introductory physics.
　　Why another “Signals and Systems”?
　　Given that there are many well-written textbooks on signals and systems available, our readers would be screaming when seeing this textbook: Why another “Signals and Systems”?
　　The thought of writing such a textbook was stimulated in 2007 when the .rst author conducted a 2nd year course on signals and systems in Zhejiang University of Technology (ZJUT) in Hangzhou, which he just joined from Nanyang Technological University (NTU), Republic of Singapore. The course was designed as “shuang yu ke” spelled in Chinese, meaning that the teaching materials such as the textbooks and slides are all in English and as to the class language, the lecturers can choose either Chinese, English or a mixture of the two—a typical Chinese style! The textbooks adopted were those popularly used in the world but were found very di.cult to most of our students as their English is not good enough to deal with those textbooks of one thousand pages or so in length.1 This motivates him to write a new “Signals and Systems”
　　1Here, we have those big masters of Signals and Systems to “blame”—why not writing their text-book in Chinese!
　　with a primary objective of providing a condensed version of “Signals and Systems” in English, while keeping the important technical materials as much as possible.
　　Most of us agree that for a university study it is more important to teach students how to learn and analyze than what to be learned and analyzed. The .rst author still remembers what was said by Professor Y. Liu who taught him calculus in 1978 in Beijing Institute of Technology (BIT) (now, known as Bei Li Gong) that a good textbook, say of ten chapters, should be written in such a way that after the .rst four chapters taught by the lecturer, the rest can be studied by students themselves easily. What Prof. Liu really meant is that a textbook should be written to facilitate and reinforce self-study. This is another objective that this textbook is intended to achieve. Given the mathematical nature of this subject, rigidity should be sustained as much as possible, which is something very important to engineering students to learn. This is the third objective of this textbook.
　　How the book is structured ?
　　One of the reasons for the existing textbooks of signals and systems to have easily over eight hundred pages is due to the continuous-and discrete-time forms of signals and systems. The success of a signals and systems that achieves our primary object lies in how to provide a balanced and integrated treatment of the two forms in a pedagogical way that can help students see the fundamental similarities and di.erences between the two without too much repeating. With all of these in mind, this book is organized as follow.
　　. 　 Chapter 1 is aimed to provide an overview of signals and systems. Compared with the one in most of the signals and systems, it is condensed with an emphasis on the periodical signals and linear time-invariant (LTI) systems.
　　. 　 Chapter 2 deals with the time-domain approach to the LTI systems. Since the key to the development of this chapter is to exploit the properties of linearity and time-invariance as well as signal decompositions, the concepts of unit impulse re-sponse and convolution are developed in details for the discrete-time case, while the continuous-time counterparts are directly give 信號與係統基礎/高等學校電子信息類專業係列教材 [Fundamentals of Signals and Systems] 下載 mobi epub pdf txt 電子書 格式

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