本文通过MATLAB编程实现正交频分复用（OFDM）的系统仿真，系统采用卷积码和交织码级连的差错控制编码。
This test realized emulational system of OFDM through MATLAB programming, adopted error control coding of concatenation of convolutional codes and interlaced codes.
论文重点研究了DVB - H系统中各个信道编码，包括伪随机码，RS码，压缩卷积码和内外交织的编解码算法。
Then it researches the different kinds of channel codec in DVB-H system, including pseudo random code, RS code, punctured convolutional code and interleaving.
并详细介绍了用FPGA实现该编码方案的方法，包括BCH码的编译码和交织编码。
An FPGA implementation method of this scheme is presented, including BCH encoder and decoder and the interleaver.
这些参数主要包括分量码、交织长度和交织器类型、迭代译码算法和译码迭代次数、编码速率以及信道条件等。
The parameters include generator polynomial of component codes, interleave length and the type of interleavers, iterative decoding algorithms and iteration number, code rates and channel models et al.
首先研究基本的发射机，包括卷积编码、交织、扰码、沃尔什调制、正交扩频以及基带滤波。
Firstly the basic transmitter, including convolutional encoding, interleaving, scrambling, Walsh modulation, quadrature spreading and baseband filtering was studied.
根据码距特性提出了对角交织的优化交织法。
A diagonal interleave method is proposed based on the distance properties of Turbo codes.
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。
Interleaver design plays an important role in turbo code 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。
Interleaver design plays an important role in turbo code theory, and high rate turbo codes have some special requirements on interleavers.
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