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fft
- 一个快速傅里叶变换的实例。通过快速傅里叶变换实现信号的频率幅值等信息。-Examples of a fast Fourier transform. Fast Fourier transform by the frequency of the signal amplitude and other information.
dsp-4
- 很详细的有关快速傅里叶变换的讲解，包含算法流图。-Very detailed information on the Fast Fourier Transform explanations, including the algorithm flow diagram.
Gibbs-to-matlab
- 在Matlab中利用傅里叶变换求解波动方程，快速简便-Fourier transform to solve the wave equation in Matlab, quick and easy
fft
- 快速傅里叶变换，绘制幅值谱，直接输入信号离散-Drawing amplitude spectrum
Implementation--of-FFT-transform
- 快速傅里叶变换，说明了原理及实现的全过程-Fast Fu Liye transform, the principle and implementation of the entire process
hs
- 通过计算分析输出信号的自相关函数利用基于自相关函数的方法来估计衰减系数和延迟，并利用快速傅里叶变换将回波信号滤除回声，得到原声音信号，同时根据延迟估计反射物的距离。-Analysis by calculating the autocorrelation function of the output signal utilizing the autocorrelation function based method to estimate the attenuation coefficient a