分级计算迭代在Radon-Ambiguity变换和分数阶Fourier变换对chirp信号检测及参数估计的应用
doi: 10.3724/SP.J.1146.2006.00739
The Application of Iterative Algorithm to Chirp Signal Detection and Parameter Estimation Using Radon-Ambiguity Transform and Fractional Fourier Transform
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摘要: 该文在分析Radon-Ambiguity变换(RAT)和分数阶Fourier变换对chirp信号的检测和参数估计的基础上，建立了多分量chirp信号检测和参数估计系统模型，提出了分级计算迭代方法，大大减少了计算量，提高了运算速度。Abstract: On the basis of studying chirp signal detection and parameter estimation using Radon-ambiguity transform and fractional Fourier transform, a novel iterative algorithm is put forward, which is proved much higher calculation speed through simulation.
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