刘涛，女，博士，教授，博士生导师。中国机械工程学会高级会员，中国振动工程学会动态测试专业委员会常务委员，国家自然科学基金通讯评审专家、中国博士后科学基金评审专家、教育都学位中心评审专家、甘肃省自然科学基金评审专家、陕西省自然科学基金评审专家、《Mechanism and Machine Theory》、《Applied Mathematics》等国际学术刊物审稿人。刘涛教授先后为硕博士研究生、本科生主讲机械系统设计、设计方法学、控制工程基础、机械工程测试技术基础、现代设计理论与方法、现代传感技术、工程测试与信号处理、现代测试技术、制造系统动态仿真理论等课程。先后在英国Exeter大学、美国加州大学圣塔芭芭拉分校访问学习。主持完成国家自然科学基金项目3项，甘肃省自然科学基金项目3项，甘肃省高等学校基本科研业务费项目1项，兰州理工大学高等教育研究项目2项。在国内外重要学术期刊及国际会议发表研究论文100余篇，被SCI、EI收录30余篇次。获得甘肃省科技进步一等奖1项，甘肃省高校科技进步一等奖、二等奖各1项，甘肃省机械工程学会科技进步一等奖4项、二等奖1项。
目錄：
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
內容試閱：
“Engineering Measurement and Signal Processing” is an important foundational course for graduate students majoring in mechanical manufacturing and automation. The related technologies are widely applied in various fields of the national economy and everyday life. Testing technology and information technology are experiencing swift development and continual updates. With the rapid advancements in information technology and sensing technology， a large number of advanced measurement technology theories and technical materials have emerged through networks， journals， and other channels， posing higher requirements for the teaching of this course.
To enable students to better grasp the relevant knowledge of this course and the latest developments in testing technology， improve their professional English application skills， cultivate their international perspective， and better participate in international exchanges， it is imperative to explore the practice of teaching this course entirely in English at universities. The current “Belt and Road” initiative presents unprecedented opportunities and challenges for the internationalization of higher education institutions. To attract highquality students from the “Belt and Road” regions， optimize the structure of international students， expand the scale of international graduate students studying in China， and enhance the international education level， constructing allEnglishtaught majors and course systems and enhancing the international influence of Chinese education is an important approach. For this purpose， this book has been compiled with consideration for the existing teaching syllabus， the students professional knowledge and English proficiency， and our research achievements in mechanical engineering testing， signal analysis， and fault diagnosis. The aim is to create an allEnglish textbook that is wellsuited to the teaching content.
This book combines basic theory with engineering applications. The primary readers are foreign graduate students studying mechanical engineering in China. It is also suitable as a reference book for teaching related majors such as mechatronics and instrumentation in higher education institutions， as a book for undergraduate students in mechanical engineering to improve their skills， and as an English textbook or reference book for Chinese graduate students.
In the writing process of this book， I was responsible for the overall drafting and writing， while colleagues Wu Zaixin and Peng Bin provided valuable suggestions and help for the reform of this course and the compilation of teaching materials. Graduate students Liang Chengyu， Li Yinping， Huang Chengdong， Feng Zhiguo， Dang Xu， Ma Dequan， Da Wenjie， and Wu Yimin did a lot of work in the experimental research and proofreading of the manuscript.
We sincerely thank the support of the National Natural Science Foundation of China (project numbers: 52265034， 51665035， 51265027)， The National Scholarship Fund Committee Young Backbone Teacher Overseas Study Program， and the Lanzhou University of Technology International Student (Graduate) AllEnglishTaught Course Construction Project. We also appreciate the strong support and help from Zhuang Hongquan， Vice President of Tsinghua University Press， and editor Miao Qingbo.
Due to my limited ability， errors and deficiencies in the book are inevitable. I earnestly request colleagues and readers to offer criticism and corrections， and kindly impart your wisdom.
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