The factors that influence the laser echo rate are analyzed in this paper and then elucidated that the application of this principle improved the echo rate greatly.
从对目标坐标测定仪中激光回波率的分析入手，阐明了应用图像取差原理极大地提高了测距系统的回波率的原因。
It is proved both in theory and from practice that the LFR times can meet the performance specifications of laser echo rate while guaranteeing the tracking precision.
理论分析和工程实际表明，在保证跟踪精度的情况下，该激光重频值将满足回波率的技术指标要求。
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