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本书主要阐述分数傅里叶变换原理及其在通信中的应用,全书分两篇共6章。第一篇为基础原理篇,包括第1~4章,主要介绍了分数傅里叶变换发展史及其主要应用、分数傅里叶变换理论基础、分数傅里叶变换的基本运算及定理,讨论了傅里叶变换在信号分析与处理中的局限性,介绍了为克服其局限性所提出的一些方法,并分析了这些方法存在的问题。第二篇为技术应用篇,由第5章和第6章构成,重点介绍分数傅里叶变换在通信系统中的应用,是第一篇理论内容的实践。
This book mainly expounds the principle of fractional Fourier transform and its application in communication, the book is divided into 6 chapters altogether. The first one is based on the principle of articles, including the first four chapters, mainly introduced the history of fractional Fourier transform and its main application, the basis of fractional Fourier transform theory, fractional Fourier transform of the basic operations and theorems to discuss The limitations of Fourier transform in signal analysis and processing are introduced, some methods proposed to overcome its limitations are introduced, and the problems existing in these methods are analyzed. The second is a technical application, which consists of Chapter 5 and Chapter 6, and focuses on the application of Fractional Fourier Transform in communication systems. This is the first theoretical content of practice.