本文为了配合月球射电仪天线的研究，推导了奇模四线传输线变压器的传输系数。
To help researching the lunar radio telescope, the transmission coefficient of odd mode four-wire transmission line transformer is derived.
事实上，可以不使用任何线来建立四线电路，例如通过微波、卫星或红外传输系统。
In fact, a four - wire circuit can be established without the use of any wires at all, as in the case with a circuit established over microwave, satellite, or infrared transmission systems.
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