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在甚低频强电磁干扰环境下,机载监控设备传感器的电磁兼容设计受到多方面的影响。文章从风险、环境因素等方面对检测传感器的选型进行了应用分析,并从传感器的使用策略和适用性角度进行考虑,对器件类型进行了择优选择。文章重点介绍了光纤光栅传感器的工作原理,并结合机载监控设备对检测元器件的应用需求,提出相对应传感器的外部构造形式。
In very low frequency strong electromagnetic interference environment, the electromagnetic compatibility design of airborne monitoring equipment sensors are affected in many ways. This article analyzes the selection of testing sensors from aspects of risks and environmental factors, considers the sensor’s usage strategy and applicability, and makes a good choice of device types. This paper mainly introduces the working principle of FBG sensor, and puts forward the external structure corresponding to the sensor based on the application requirements of the on-board monitoring equipment.