著名的欧洲数字卫星广播标准，详细给出了帧结构、LDPC码和BCH码。-Digital Video Broadcasting (DVB) Second generation framing structure, channel coding and modulation systems for Broadcasting, Interactive Services, News Gathering and other broadband satellite applications

ldpc码的编解码实现，实现了图像的灰度化并进一步用于视频监视控，课程设计时编写的matlab程序代码。- Codec ldpc code implementation Achieve a grayscale image and further control for video surveillance, Course designed to prepare the matlab program code.