mpi, 3pcf多线程编程，还有android的一个游戏背景音乐程序-mpi, pi, 3pcf multi-threaded programming, as well as a game background music android program

变换域通信TDCS通过信道估计在变换域设计信号波形，其次没有采用载波调制，而是用一个类似噪声的基函数进行信息调制。TDCS具有很强的抗干扰能力和较高的低截获特性。-Transform Domain Communication TDCS through the channel is estimated in the transform domain signal waveform, followed by no-carrier modulation, but with a noise-like b