利用MatLab软件，实现一种或几种循环码的编译码过程。再现编码和译码的步骤，绘制有关的性能曲线和波形图，并且能检错和纠错。-use MatLab software, to achieve one or a few recycling code encryption process. Reproduction coding and decoding steps, drawing on the performance curve and waveform map, and can, and err

（7,4）循环码的编译码器，带有GUI界面，按界面提示操作即可-(7,4) cyclic code codec with GUI interface, interface prompts