解决了对传感器的信号进行处理与判别的难题；
Resolved the problem of procession and distinguish of signal.
设计了超声波传感器及信号转换与处理电路，并设计了相应的检测软件，在此基础上进行了浓度检测实验。
The ultrasound sensor, the signal transform and treatment circuits are designed. The testing software is developed. Then the experiments for the concentration testing are made.
该系统通过PIC单片机对多路漏水传感器信号进行实时检测与处理，并将结果通过通信实时传送给上位计算机进行决策控制。
Using PIC single chip computer, the system can make real-time detection to multiplexer channel leak sensor signals and deal with them, then send the result to computer to make decision.
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