针对此,笔者详细介绍了16QAM差分 调制解调的原理,并通过接收端解码电路相应的运算规则消除了频偏和相偏的影响,免除了复杂的 载波和相位同步,降低了QAM接收机的复杂度。-For this, the author describes the detail of the principle of 16QAM differential modulation and demodulation, and by eliminating the frequency deviation and pha

关于4DPSK调制中的差分编码,以及4dpsk的解码-4DPSK differential modulation encoding and decoding