A novel differential measurement system of methane spectrum source based on F - P filter is constructed.

构建了一种利用F -P 滤波器实现甲烷气体差分检测的系统.

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Because of coupling problem of the sensors, differential measurement of sensor is applied.

对于传感器始终存在的偏置耦合问题, 提出了传感器差动测量的方法.

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