波动只是让天线产生感应电压,所以厂商推出那么多奇形怪状的天线,在收讯方面并不会增加任何助益。
A wave simply induces a voltage in an antenna, so many of the odd shapes and contraptions touted by marketers add nothing electrically.
波动只是让天线产生感应电压,所以厂商推出那么多奇形怪状的天线,在收讯方面并不会增加任何助益。
A wave simply induces a voltage in an antenna, so many of the odd shapes and contraptions touted by marketers add nothing electrically.
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