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单词 modulation factor
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modulation factor
modulation factor n. = modulation index n.
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the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > processes > [noun] > modulation > co-efficient
modulation index1930
modulation factor1939
1939 Amateur Radio Handbk. vi. 93/1 When using a continuous pure tone (sine wave) for modulating..the percentage modulation can be obtained by the Heising formula:—If IO = R.M.S. value of unmodulated aerial current..IM = ditto when modulated. m = modulation factor. Then IM = IO√(1 + m2/2).
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