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chabiaofft
- 通过查表法来实现fft中的sin和cos，大大加快了程序的速度-Watch by the law to implement fft of sin and cos, and has been greatly speeded the speed
fft
- Radix-2 Fast Fourier Transform, real or complex sin/cos transform -Radix-2 Fast Fourier Transform, real or complex sin/cos transform
fft1024
- an implementation of fft 1024 with cos and sin generated by matlab.
FFT
- 利用傅立葉轉換計算核心的部份，再用sin,cos的方式以表顯示。-Calculated using Fourier transform part of the core, and then sin, cos the manner shown in the table below.
FFTanalyser
- sample FFT Analyser using matlab. using cos and sin function.
fft-v1.0.0.40.tar
- fft的快速实现，核心部分无任何耗时的sin,cos运算，所需要的数据初始化时全部已经计算好了。并且提供了fft的定点代码（这是很多fft不具有的），可以方便地移植到嵌入式和DSP环境-fft of rapid implementation, the core portion without any time-consuming sin cos operation, the initialization of the data needed all been calculated. And pr
ee
- 快速傅立叶变换(FFT)是离散傅立叶变换的一种有效的算法，通过选择和重新排列中间结果，减小运算量。DFT有大量重复的cos、sin计算，FFT的作用就是用技巧减少cos、sin项重复计算。当采样点数为1024点,DFT要求一百万次以上计算量，而FFT则只要求一万次。-cout width cout width cout width cout width cout width cout width cout width cout width cout width cout width cout w
fft
- 用差表法实现sin和cos函数，浮点运算实现采样点数可变化的fft函数-Realization of sin and cos functions, floating point differential table method of sampling points can be varied to achieve fft function
fft
- 可以用于快速傅里叶变换，实数、复数都适合。正余弦变换-Radix-2 Fast Fourier Transform, real or complex sin/cos transform
fft-computing-sin-cos-FIG.
- fft计算sin_cos图,有代码和仿真效果图，体验fft和频谱特性-fft calculation sin_cos graph, code and simulation renderings, experience fft and spectral characteristics