是matlab的源代码，功能是从snr到Eb_N0的转换。并带绘图功能

Turbo码编译码的matlab源代码，包括logMAP算法与SOVA算法。可设置信道SNR参数，帧长度，删余系数等。-Turbo Codes Encoding and Decoding of the matlab source code, including logMAP algorithm and SOVA algorithms. Parameters can be set to channel SNR, frame length, deleted I coefficient.