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单词 modulation index
释义

Definition of modulation index in English:

modulation index

noun
  • A coefficient representing the degree of modulation of a carrier wave; specifically the ratio of the difference between the maximum and minimum frequencies of a frequency-modulated carrier, to the frequency of the modulating signal.

Origin

1930s.

Definition of modulation index in US English:

modulation index

noun
  • A coefficient representing the degree of modulation of a carrier wave; specifically the ratio of the difference between the maximum and minimum frequencies of a frequency-modulated carrier, to the frequency of the modulating signal.

Origin

1930s.

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更新时间:2025/6/19 20:40:45