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.
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.
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.
进而研究了自抗扰控制技术在DCS系统上的实现方法，开发出自抗扰控制器模块。
Then, researched the implement method of ADRC technology in DCS, developed the ADRC module, and applied it in the coordinated control system of supercritical unit.
进而研究了自抗扰控制技术在DCS系统上的实现方法，开发出自抗扰控制器模块。
Then, researched the implement method of ADRC technology in DCS, developed the ADRC module, and applied it in the coordinated control system of supercritical unit.
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