本书系统介绍了工程测试与信号处理基础理论与作者在该领域的研究成果。全书共6章，第1章至第5章内容包括：信号的分类与描述、信号特征、测试系统、系统特性分析和信息熵。第6章介绍了作者在机械振动信号检测、基于信息熵的机械系统故障诊断及零件三维形貌分析与表征等工程测试与信号处理方面的应用实例。本书的特色是将基础理论与工程应用相结合，本书的读者对象首先是来华留学外国留学研究生，同时也适合作为高等院校相关专业本科生和研究生的双语教材或参考书。

Chapter 1Introduction to Signals 1.1Classification of Signals 1.2Elementary Signals 1.3Signal Implementation with MATLAB 1.4Summary Chapter 2Signal Characteristics 2.1Overview 2.2Signal Characterization 2.3Signal Variables 2.4Signal Statistical Parameters 2.5Fourier Series of a Periodic Signal 2.6Complex Numbers and Waves 2.7Exponential Fourier Series 2.8Spectral Representations 2.9Continuous Fourier Transform 2.10Continuous Fourier Transform Properties 2.11Signal Correlations in Time 2.12Review Problems Chapter 3Measurement Systems 3.1Overview 3.2Measurement System Elements 3.3Sensors and Transducers 3.4Amplifiers 3.5Filters 3.6Analog-to-Digital Converters 3.7Review Problems Chapter 4Calibration and Response 4.1Overview 4.2Static Response Characterization 4.3Dynamic Response Characterization 4.4Zero-Order System Dynamic Response 4.5First-Order System Dynamic Response 4.6Second-Order System Dynamic Response 4.7Higher-Order System Dynamic Response 4.8Review Problems Chapter 5Entropy and Information 5.1Information Measures 5.2Entropy Information 5.3Communication Channels 5.4Memoryless Discrete Channels 5.5Continuous Channels with Additive Noise 5.6Summary Chapter 6Application of Engineering Measurement and Signal Processing 6.1Vibration Signal Analysis 6.2Feature Extraction Method 6.3Wavelet-Entropy-Based Fault Diagnosis 6.4PSO-SVC Fault Diagnosis Based on Information Entropy Fusion 6.5Three-Dimensional (3D) Topography Analysis and Characterization