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bg3xx:振子下垂处馈电相对来说架设难度低,馈线利用率高,从理论上来讲,如果谐振的话,天线末端正好电压振幅最大,离地面高,地面对电波吸收损耗也小,效率相对要高些。 (2019-07-19 20:01)
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