引入（2，1，7）卷积码对信道输出信号的影响，并作出信噪比等图像。-The introduction of (2,1,7) convolutional code on the output signal of the channel and make the image SNR.

最大信噪比的独立分量分析算法，独立成分分析算法降低原始数据噪声，图像的光流法计算的matlab程序。- SNR largest independent component analysis algorithm, Independent component analysis algorithm reduces the raw data noise, Image optical flow calculation matlab program.