- front-end selectivity
- тлв селективность [избирательность] относительно несущей изображения
English-Russian electronics dictionary .
English-Russian electronics dictionary .
Superheterodyne receiver — A 5 tube superheterodyne receiver made in Japan around 1955 In electronics, a superheterodyne receiver (sometimes shortened to superhet) uses frequency mixing or heterodyning to convert a received signal to a fixed intermediate frequency, which… … Wikipedia
protozoan — /proh teuh zoh euhn/, n., pl. protozoans, (esp. collectively) protozoa / zoh euh/, adj. Biol. n. 1. any of a diverse group of eukaryotes, of the kingdom Protista, that are primarily unicellular, existing singly or aggregating into colonies, are… … Universalium
Industrial Review — ▪ 1994 Introduction The period since 1990 was proving a difficult time for the older industrialized economies, which had suffered from prolonged recession at home, and also for the previously centrally planned economies of Eastern Europe… … Universalium
Shortwave listening — (abbreviated as SWLing) is the hobby of tuning for shortwave radio broadcasts located on shortwave frequencies, usually thought of as those from 1700 kHz (the upper limit of the AM broadcasting band) to 30 MHz (the lower limit of the tuning range … Wikipedia
R-390A — The R 390A /URR is a general coverage HF radio communications receiver designed by Collins Radio Company for the US military.HistoryThe R 390A military shortwave radio receiver was the result of a project undertaken by the U. S. Army Signal Corps … Wikipedia
Cellular neural network — Cellular neural networks (CNN) are a parallel computing paradigm similar to neural networks, with the difference that communication is allowed between neighbouring units only. Typical applications include image processing, analyzing 3D surfaces,… … Wikipedia
Beamforming — is a signal processing technique used in sensor arrays for directional signal transmission or reception. This spatial selectivity is achieved by using adaptive or fixed receive/transmit beampattern. The improvement compared with an… … Wikipedia
Pioneer SX-1980 — The Pioneer SX 1980 was a receiver that Pioneer Electronics Corporation introduced in 1978, to be matched with the HPM series of speakers. It is rated at a staggering 270 watts per channel into 8 ohms. [http://www.silverpioneer.netfirms.com/sx… … Wikipedia
Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… … Universalium
spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… … Universalium
literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… … Universalium