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The RMS value of power
is not the equivalent heating power and, in fact, it doesn’t represent any
useful physical quantity.
在一篇文章上看到滴
It should be noted that the term “RMS power” is (mis)used in the consumer audio
industry. In that context, it means the average power when reproducing a single
tone, but it’s not actually the RMS value of the power.
The RMS and average values of nearly all waveforms
are different. A notable exception is a steady DC waveform (of constant value),
for which the average, RMS, and peak values are all the same.
按最后一个说,你的应该是DC输出,哪就是平均损耗了
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发表于 2010-5-31 16:06
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此帖出自模拟与混合信号论坛
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