Interleaver design plays an important role in turbocode theory, and high rate turbo codes have some special requirements on interleavers.
交织器设计在Turbo码理论中具有重要地位，高码率Turbo码对交织器具有特殊要求。
2
Obtained from the TURBO codes code characteristic, realizes has inserted the way the choice, the watermark basic model, the watermark algorithm concrete procedure realization method.
从TURBO码的编码特征入手，实现了嵌入方式的选择、水印基本模型、水印算法具体的程序实现方法。
3
Research results show that LDPC code's performance is better than Turbocode, and more approaching the Shannon limit. DVB-S2 is the next generation standard of the digital satellite broadcasting.