ldpc在BSN信道下的性能仿真，程序较简单，但可以运行，仅供参考-ldpc in the performance of BSN channel simulation, the program is relatively simple, but it can run for reference only

LDPC 比特翻转算法实现，编码，基于对数域译码，校验的matlab实现-LDPC bit flip algorithm, coding, based on number DECODING check matlab achieve