为输电线载波通信系统可靠执行它一定能避免，或者应付与，在它的通讯电路遇到的噪声的不同的类型。
For a power line carrier communications system to perform reliably it must be able to avoid, or cope with, the different types of noise encountered on its communications channel.
该设计不仅实现了异步通讯的主要功能，而且电路简单，工作稳定、可靠，可以将其灵活地嵌入到各个通信系统中。
This design realizes the main function of UART. The circuit is simple and works stably and credibly. It can be embeded into various communication systems flexibly.
系统运行结果表明，该数据通信系统可靠性高，通讯费用低，数据接收率达到99%。
The results of running this system indicate that the data transmission system has the advantage of high reliability, low communication fees, and the data receiving rate can attain to 99 percent.
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