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在卫星激光通信捕捉系统中使用法拉第滤光器（ＦＡＤＯＦ）可以抑制背景辐射、展宽接收视场角减小捕捉时间．但ＦＡＤＯＦ的带宽要受到卫星间多普勒频移的制约，本文以赤道面圆形低轨道（ＬＥＯ）对同步轨道卫星（ＧＥＯ）光链路为实例，分析了ＬＥＯ轨道顶点和切点两个不同捕?
Faraday filter (FADOF) is used in the satellite laser communication capture system to suppress the background radiation and widen the receiving field of view to reduce the capture time. However, the bandwidth of FADOF is restricted by the Doppler shift of the satellite. In this paper, we use the LEO or GEO optical link as an example to analyze two LEO orbital vertices and tangent points Different capture?