第四章是本文的主要部分，开始分模块说明对字节处理部分的研究：数据格式反变换、解扰、RS译码、去交织和同步头搜索。

The fourth chapter is this paper's emphasis , focuses on the byte processing part(outer code) module by module: data reverse transformer, de-randomizer, RS decoder, de-interleaver and synchronization.

youdao

其中，软件方面，着重分析了TC层的信元定界、解扰、测距等八个子模块的设计以及仿真结果，论述了TC层设计中采用的一些编程优化技术；

As for the software, the designing and simulation result of each sub-module of TC layer is analyzed, during the analysis process, some programming and optimization technique is expatiated.

youdao

饰板可以为机动车的任意合适本体部分，例如 保险杠、踏脚板、前扰流器、阻流板、侧栏板或本体模块。

The facia may be any suitable body part of a motor vehicle, such as a bumper, a rocker panel, an air damn, a spoiler, a sideboard or a body module.

youdao