第四章应答报文解码分析与设计，主要是分析了解码过程，重点分析了解码过程中较复杂步骤中的实现算法；

The fourth chapter is analysis and design of the balise telegram coding, main analyzed the decoding process and priority analyzed the implementation algorithm of the decoding process complex step;

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所以，应答器报文直接涉及到行车安全。

So the Balise telegram directly relates to the traffic safety.

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本文对应答器报文的编制和应答器报文管理工作进行了研究，并设计与实现了适合于应答器报文编制及管理的软件。

The thesis is on the research of the process of the telegram programming and management, and the software is designed and completed.

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