PCM数据通信压缩算法，c语言编写，适合移植到单片机、dsp等目标系统上。-PCM data communications compression algorithm, c language, suitable for transplant to the microcontroller, dsp goals systems.

IT++是一个数学，信号处理和通信类功能的C++库。它的主要用途是模拟通信系统，并进行研究相关领域的通信。它综合了Matlab的功能和C的速度，适合于信号处理等领域。-IT++ is a mathematical, signal processing and communications functions in C++ libraries. Its main purpose is to simulate communications systems, and conducting resear