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4 年
光时域反射仪(OTDR)的工作原理以及使用方法、注意事项
光时域反射仪(OTDR)在测试光缆的过程中,仪器从光缆的一端注入较高功率的激光或光脉冲,并通过同一侧接收反射信号。当光脉冲通过光缆传输时,部分散射及反射将返回发射端。光时域反射仪(OTDR)只会测量强度较高的反射回来的光讯号,通过记录信号从传输到 ...
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