中文说明：系统卷积码与CPM调制级联的SCCPM迭代译码算法matlab仿真，译码和解调均采用SOVA算法进行SISO迭代译码解调。
English Description：
Matlab simulation of SCCPM iterative decoding algorithm concatenated convolutional code and CPM modulation in the system shows that SOVA algorithm is used for SISO iterative decoding and demodulation.