如图所示，通过将同轴电缆连接之所有的4个输出端口，则可进行开路校准。

By connecting coax cables to all four output ports as shown, an open-circuit calibration can be performed.

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如图所示，通过将同轴电缆连接之所有的4个输出端口，则可进行开路校准。

By connecting coax cables to all four output ports as shown, an open-circuit calibration can be performed.

youdao