| 释义 |
low-pass filter
low-pass filter (lō′păs′)n. A filter designed to transmit electromagnetic frequencies below a certain value, while excluding those of a higher frequency.low-pass filter n (Electronics) electronics a filter that transmits all frequencies below a specified value, substantially attenuating frequencies above this value. Compare high-pass filter, band-pass filter Thesaurus| Noun | 1. | low-pass filter - a filter that passes frequencies below a certain value and attenuates frequencies above that valuefilter - an electrical device that alters the frequency spectrum of signals passing through it |
low-pass filter
low-pass filter[′lō ‚pas ′fil·tər] (electricity) A filter that transmits alternating currents below a given cutoff frequency and substantially attenuates all other currents. low-pass filterA filter that blocks high frequencies and allows lower frequencies to pass through. Such filters are used in devices such as POTS splitters that direct phone and DSL signals to different lines. Contrast with high-pass filter.low-pass filter
low-·pass fil·tera device or material with the opposite effect from a high-pass filter; most tissues act as low-pass filters of ultrasound signals.low-pass filterA filter that removes high-frequency waves from a sample, allowing only those below a specified frequency to pass. See also: filterFinancialSeeFilterlow-pass filter
Related to low-pass filter: high-pass filter, LPFWords related to low-pass filternoun a filter that passes frequencies below a certain value and attenuates frequencies above that valueRelated Words |