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FFT
- 本文给出一种时间抽取少数点 递归算法(Recursion Algorithm for Sparse Points - RASP),据此写出的多项式生成程序和直接多项式法 在计算少数点时有很高的效率。 -This paper presents a time to extract a small number of recursive algorithm accordingly write the polynomial generator and direct polynomial
sfft1d
- 一维稀疏傅里叶变换算法,以及与fftw算法的对比,与自写fft算法对比-sparse fourier transform
sfft-code
- 稀疏快速傅里叶变换作为传统FFT的改进版,它充分利用输入信号频域稀疏特性,实现序列的快速傅里叶变换。(As an improved version of the traditional FFT, sparse fast Fourier transform takes full advantage of the sparse characteristics of the input signal frequency domain to achieve fast Fourier transform