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出典:Wiktionary
highpass filter (複数形 highpass filters)
出典:Wikipedia
出典:『Wikipedia』 (2011/07/31 21:46 UTC 版)
A high-pass filter (HPF) is a device that passes high frequencies and attenuates (i.e., reduces the amplitude of) frequencies lower than the its cutoff frequency. A high-pass filter is usually modeled as a linear time-invariant system. It is sometimes called a low-cut filter or bass-cut filter.
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a filter used for taking a photograph
colour film called super-high sensitivity film
the drastically cut film
coloured film called {super-high picture quality} film
Can I take the high speed film out?
a scorer
the photographic film that used in slide projectors
a steam-gauge
a gage