此代码为用比特填充法编写的ldpc码的校验矩阵。它的girth为6，最大行重为8，列重为3-This code with bit-filling method for the preparation of the calibration matrix ldpc code. Its girth is 6, maximum line weight of 8, out of 3 re-

LDPC基于生成矩阵的编码方法和和积译码算法,校验矩阵采用的是mackey的方法-LDPC coding method based on the generator matrix and decoding algorithm, check matrix is mackey methods