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来自维基百科,自由的百科全书
分貝毫瓦(dBm,全寫為「decibel relative to one milliwatt」)為一個指代功率的絕對值,而不同於dB只是一個相對值。
任意功率P(mW)與xdBm換算的公式如下:
以及
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