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分数阶Fourier变换用于幅度随机变化的Chirp信号的检测

Detection of Randm Amplitude Chirp Signal Using the Fractional Fourier Transform
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摘要 提出了将分数阶Fourier变换用于时变幅度Chirp信号的检测与参数估计,研究了Chirp信号检测与参数估计的方法,给出了检测性能———幅度随机变化的Chirp信号的检测精度(参数估计的均方误差)的仿真分析. The detection and parameter estimation of the time varying amplitude Chirp signals using the Fractional Fourier Transform(FRFT) is focused in this dissertation, the detection method is studied theoretically and the simulating analysis about the properties of the detect method is provided.
出处 《河南师范大学学报(自然科学版)》 CAS CSCD 北大核心 2006年第2期58-60,共3页 Journal of Henan Normal University(Natural Science Edition)
基金 河南省教育厅科研基金资助项目(2004510001) 河南教育学院理论物理重点学科专项资助
关键词 分数阶FOURIER变换 时变幅度 信号检测 fractional Fourier transform time-varying amplitude signal detection
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