红外透镜是决定战斗机中负责目标红外跟踪及探测的关键机载设备光电雷达的红外性能的重要部件。
Infrared lens is one of important components of photoelectricity radar which is the key equipment responsible for infrared following up and surveying targets in a fighter plane.
背景很强时对弱目标的检测，一直是限制光电探测设备监测能力的瓶颈。
How to detect target in strong background has always been a choke point in limiting electro-optical equipment's ability.
粗糙表面激光回波偏振特性是激光探测、目标识别等领域的一个重要研究内容，它对激光雷达、红外探测和目标识别等遥感设备的优化设计和性能改善有很强的促进作用。
The laser backscattering polarization characteristics of rough surface are investigatedin this paper, it is a fundamental issue to laser detection, target recognition and other fieldsof study.
声纳设备探测从目标发射或反射的声波，分析其中包含的讯息。
Sound waves emitted by or reflected from an object are detected by sonar apparatus and analyzed for information.
声纳设备探测从目标发射或反射的声波，分析其中包含的讯息。
Sound waves emitted by or reflected from an object are detected by sonar apparatus and analyzed for information.
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