中文说明：这是在 awgn 信道下 ldpc 码...太给出了各种类型的解码器等位翻转，总和产品算法，日志域的误码率，简单的日志域......它给 ber 附近 10 ^-3......，并与大型矩阵
English Description：
This is an ldpc code over awgn channel ...it gives ber of various types of decoders such as bit flipping,sum product algorithm,log domain,simple log domain...it gives ber near 10^-3...and works with large matrix