This paper introduces three types of concentration-detecting and alarm systems based on the optical, ionizing and penetrating properties of flour dust.

本文根据粉尘的光学性能、电离性能、穿透性能提出了三种不同类型的粉尘浓度检测、报警设备。

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In this paper, a constant false alarm rate detection algorithm for optical and infrared small targets in a heavy clutter background is introduced.

介绍了一种强杂波条件下对可见光和红外小目标进行检测的恒虚警率算法。

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Traditional method to assess risk for optical imaging reconnaissance satellite is satellite-on-air forecast, and it is simple to operate but has false alarm.

传统评估光学成像侦察卫星的威胁一般是采用卫星临空预报方式，这种方式虽然操作简单，但是必然存在一些虚警现象。

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