根据激光对潜通信系统的信道特性和探测器特性，推导并简化了输出信噪比公式。

Based on the channel and detector characteristics of a submarine laser communication system, the output equation for the signal to noise ratio is derived and simplified.

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不过，输出，可采取在泵的输出，因为它往往是由电潜泵制造商，或在表面上电后，是失去了应有的磨擦，在油管。

However, the output can be taken at the pump output, as it frequently is by electric submersible pump manufacturers, or at the surface after power is lost due to friction in the tubing.

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对变频输出共模电压及轴承电流的形成机理进行了研究，分析了其对潜油电泵轴承寿命的危害。

By the transmission line theory, the generation mechanism of common-mode voltage and the bearing current was discussed.

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