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单词 passband
释义
passband

Astronomy
  • The range of wavelengths transmitted by a filter. It is often quoted as the wavelength limits within which the transmission exceeds 50% of the peak value.


Computer
  • A range of frequencies with a lower limit and an upper limit, such that all frequencies between these limits (but not necessarily excluding other frequencies) are passed, with little attenuation, by a filter or a channel. See also band-pass filter, bandwidth, filtering.


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