摘要：随着社会的发展，科技的进步，人们的生活的提高，社会安全保障也越来越重要，从而电子报检这门综合技术也在不断地发展与创新。
本次采用以AT89S52单片机为核心，整个系统是在超声波测距下进行的。整个电路采用模块设计，各探头的信号经单片机综合分析处理，实现超声波报检的各种功能。
关键词：单片机；超声波；测距
Abstract：With the development of society, the development of science and technology, people's life improves, social security is more and more important, thus electronic inspection of this comprehensive technology is in constant development and innovation.
This design uses AT89S52 microcontroller core, the whole system is in ultrasonic ranging. The circuit adopts the modular design, the probe signal by single chip integrated analysis and processing, realize the ultrasonic inspection declaration all function.
Key Words：Single chip microcomputer; Silent Wave；Measure Distance
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