Power spectrum density的matlab实现 包含unipolar,bipolar,QPSK,BASK,BPSK,BFSK-Mfile ofPower spectrum density includes unipolar,bipolar,QPSK,BASK,BPSK,BFSK

很好的QPSK循环谱检测程序，能出结果，且避免了三维搜索，很强大-Cyclic spectrum QPSK good testing procedures, can produce results, and avoid the three-dimensional search, very powerful

QPSK编码解码,扩频解扩,长码、短码产生-QPSK mode demod despread spectrum