- narrow-bandwidth filter
- Телекоммуникации: узкополосный фильтр
Универсальный англо-русский словарь. Академик.ру. 2011.
narrow-bandwidth filter
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Filter (optics) — Coloured and Neutral Density filters Optical filters are devices which selectively transmit light of different wavelengths, usually implemented as plane glass or plastic devices in the optical path which are either dyed in the mass or have… … Wikipedia
Quadrature filter — In signal processing, a quadrature filter q(t) is the analytic representation of the impulse response f(t) of a real valued filter::q(t) = f {a}(t) = left(delta(t) + {i over pi t} ight) * f(t)If the quadrature filter q(t) is applied to a signal… … Wikipedia
Mechanical filter — Figure 1. A mechanical filter made by the Kokusai Electric Company intended for selecting the narrow 2 kHz bandwidth signals in SSB radio receivers. It operates at 455 kHz, a common IF for these receivers, and is dimensioned 45×15×15 mm ( … Wikipedia
Weighting filter — A weighting filter is used to emphasise or suppress some aspects of a phenomenon compared to others, for measurement or other purposes. Contents 1 Audio application … Wikipedia
Distributed element filter — Figure 1. A circuit featuring many of the f … Wikipedia
Electronic filter — Electronic filters are electronic circuits which perform signal processing functions, specifically intended to remove unwanted signal components and/or enhance wanted ones. Electronic filters can be:*passive or active *analog or digital *discrete … Wikipedia
Raised-cosine filter — The raised cosine filter is a particular electronic filter, frequently used for pulse shaping in digital modulation due to its ability to minimise intersymbol interference (ISI). Its name stems from the fact that the non zero portion of the… … Wikipedia
Atomic line filter — A potassium Faraday filter designed, built and photographed by Jonas Hedin for making daytime LIDAR measurements at Arecibo Observatory.[1] An atomic line filter (ALF) is an advanced optical band pass filter used in the physical sciences for… … Wikipedia
Band-pass filter — A band pass filter is a device that passes frequencies within a certain range and rejects (attenuates) frequencies outside that range. An example of an analogue electronic band pass filter is an RLC circuit (a resistor–inductor–capacitor circuit) … Wikipedia
Linear filter — A linear filter applies a linear operator to a time varying input signal. Linear filters are very common in electronics and digital signal processing (see the article on electronic filters), but they can also be found in mechanical engineering… … Wikipedia
Lyot filter — A Lyot filter, named for its inventor Bernard Lyot, is a type of optical filter that uses birefringence to produce a narrow passband of transmitted wavelengths. Lyot filters are often used in astronomy, particularly for solar astronomy.A Lyot… … Wikipedia
