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单词 VSWR meter
释义

VSWR meter

英语百科

SWR meter

 An SWR meter to be used with CB radio equipment
A simple directional SWR meter

The SWR meter or VSWR (voltage standing wave ratio) meter measures the standing wave ratio in a transmission line. The meter can be used to indicate the degree of mismatch between a transmission line and its load (usually a radio antenna), or evaluate the effectiveness of impedance matching efforts.

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