主要给出准循环的LDPC码编码实现方法，译码方法选择，并给出了帧同步的解决方法-Give the main quasi-cyclic LDPC codes achieve coding method, decoding method of selection, and give the frame synchronization solution

the attached file consists of LDPC code (7,3). this code can be easily implemented on fpga kit(sparten-3)