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单词 Ideal filter
释义

Ideal filter

英语百科

Sinc filter

The normalized sinc function, the impulse response of the sinc filter.
The rectangular function, the frequency response of the sinc filter.

In signal processing, a sinc filter is an idealized filter that removes all frequency components above a given cutoff frequency, without affecting lower frequencies, and has linear phase response. The filter's impulse response is a sinc function in the time domain, and its frequency response is a rectangular function.

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更新时间:2025/6/17 18:17:00