... light beating光脉冲 light pulse modulation光调制 light pulse alliteration rate光脉冲反复频率 ...
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This sensor featuring plane-convex lens collimator for expanding beam and coupling, and a low frequency for light pulse modulation is introduced.
利用平-凸透镜准直器作扩束耦合光学系统，采用低频斩光器实现光调制。
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