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Acquisition algorithm for direct-detection ladars with Geiger-mode avalanche photodiodes

机译:盖革模式雪崩光电二极管直接检测雷达的采集算法

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摘要

An optimal algorithm for detecting a target using a ladar system employing Geiger-mode avalanche photodiodes (GAPDs) is presented. The algorithm applies to any scenario where a ranging direct detection ladar is used to determine the presence of a target against a sky background within a specified range window. A complete statistical model of the detection process for GAPDs is presented, including GAPDs that are inactive for a fixed period of time each time they fire. The model is used to develop a constant false alarm rate detection algorithm that minimizes acquisition time. Numerical performance predictions, simulation results, and experimental results are presented. (c) 2008 Optical Society of America.
机译:提出了一种使用Geiger模式雪崩光电二极管(GAPD)的激光系统检测目标的最佳算法。该算法适用于使用测距直接检测雷达确定指定范围窗口内天空背景下目标的存在的任何场景。提供了GAPD检测过程的完整统计模型,包括每次触发时在固定时间段内处于非活动状态的GAPD。该模型用于开发恒定误报率检测算法,以最大程度地减少采集时间。给出了数值性能预测,仿真结果和实验结果。 (c)2008年美国眼镜学会。

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