摘要：FFTW is a C subroutine library for computing the discrete Fourier transform (DFT) in one or more dimensions, of arbitrary input size, and of both real 阅读全文

摘要：IT++ is a C++ library of mathematical, signal processing and communication classes and functions。也就是说有了这个库，用C++编写通信仿真程序的方便程度接近于matlab。具体介绍和文件下载可以上官方网站 阅读全文

摘要：DSP Tricks: DC Removal - Embedded.com 阅读全文