document on fft...please do refer

基2FFT算法实现改进的一篇很好的文章,有利于傅立叶变换的理解-2FFT-based algorithm to improve a very good article, and is conducive to the understanding of Fourier Transform

IP核应用，详细的介绍了关于FPGA中IP核的应用-IP core application, a detailed presentation on the application of FPGA in the IP core ,,,,,,

FFT在高动态扩频信号捕获过程中的应用方法,基于此，可以相应地进行程序设计-FFT in the high dynamic spread-spectrum signal acquisition in the process of application method, based on this, you can design the appropriate conduct of the proceedings