Introduced the operating principle and the design method for a novel smart gas detecting system based on two-wire system.

介绍了一种两总线智能化的气体检测系统的工作原理及设计方法。

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Results and Conclusion it indicates that in optical fiber gas concentration detecting system the virtual digital oscillograph has good detecting signal and a good human-machine interface and feature.

结果与结论在实际光纤气体浓度检测系统中的应用表明，该虚拟数字示波器很好地实现了检测信号的处理，并具有良好人机界面和性能。

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Burning type catalyzing gas sensors are the devices of the gas monitoring system in coal mines, which realizes the auto on-off of the ventilation system based on detecting the gas volume fraction.

热燃烧式催化瓦斯传感器是煤矿矿井瓦斯监控系统的核心部件，用于检测瓦斯体积分数，实现风电闭锁功能。

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