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27dbm是多少毫瓦求大神指教
更新时间: 2020-10-03 00:00:00  

28dbm是28毫瓦,dBm是功率的单位,1dbm等于1毫瓦,也就是千分之一瓦。

dBm即分贝毫瓦,可以作为电压或功率的单位,它是纯计数单位。

dBm是一个考征功率绝对值的值,计算公式为:十倍的lg括号功率值除于1mw括号。

关键词: 27dbm 多少 毫瓦 指教

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