| 单词 | low-pass |
| 释义 | > as lemmaslow-pass low-pass adj. chiefly Electronics designating a filter that passes only those signal components with a frequency less than some cut-off frequency, and attenuates components with a higher frequency. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > [adjective] > relating to types of filter low-pass1917 high-pass1921 all-pass1930 narrow-cut1964 1917 U.S. Patent 1,353,698 4/2 The filter..may be a so-called low pass filter of the Campbell type. 1964 B. V. Rollin Introd. Electronics i. 10 The network therefore behaves as a low pass filter and passes, without attenuation, all frequencies from zero up to a cut-off frequency. 1991 Lit. & Ling. Computing 6 22/2 A low-pass filter gets rid of a lot of noise while losing only a little signal. 2009 D. Paterson Rain 19 When you open up those low-pass filters in what sounds like a Minimoog emulation they seem to open in my heart also. < as lemmas |
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