This work focuses on the research of fractional Fourier transform(FRFT) and its applications in signal processing. Based on the investigation in the properties of FRFT and the relationships among FRFT and other time-frequency analysis tools, a new algorithm for efficient and accurate computation of FRFT is proposed, the applications of FRFT in the detection and parameter estimation, adaptive time-frequency filter, SAR image and interference suppression in communications have also been studied in detail and distinct achievements are obtained.
分数傅立叶变换,作为一个崭新的信号分析和信号处理的工具,既和经典的傅立叶分析有着天然的联系,又和时频分析有着密切的关系。本课题从研究分数阶傅立叶变换的快速算法出发,研究和发掘分数傅立叶分析在雷达、数字信号处理、图象处理和压缩及扩频通信等工程技术领域中的应用。
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数据更新时间:2023-05-31
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