-
1 picture
nCINEMAT, COMP&DP, PHOTO, TV imagen f -
2 high
См. также в других словарях:
Amplitude-shift keying — (ASK) is a form of modulation that represents digital data as variations in the amplitude of a carrier wave.The amplitude of an analog carrier signal varies in accordance with the bit stream (modulating signal), keeping frequency and phase… … Wikipedia
Signal generator — A signal generator, also known variously as a test signal generator, function generator, tone generator, arbitrary waveform generator, digital pattern generator or frequency generator is an electronic device that generates repeating or non… … Wikipedia
Quadrature amplitude modulation — (QAM) (Pronounced IPA|kwa:m) is a modulation scheme which conveys data by changing ( modulating ) the amplitude of two carrier waves. These two waves, usually sinusoids, are out of phase with each other by 90° and are thus called quadrature… … Wikipedia
Automatic Picture Transmission — The Automatic Picture Transmission (APT) system is an analog image transmission system developed for use on weather satellites. It was introduced in the 1960s and over four decades has provided image data to relatively low cost user stations at… … Wikipedia
Digital video testing — in broadcast video, for example, is the process of validating and verifying that the video content and other data is being correctly processed, stored and transported. Despite the fact that the data is digital, most digital tv (DTV) system… … Wikipedia
How television works — Analog televisionUntil the advent of digital television and flat panel displays in the 1990s, all television was based on the transmission and reception of analog signals, displayed on a cathode ray tube. Although a number of different broadcast… … Wikipedia
Valve audio amplifier - technical — Circuitry and performance Characteristics of valves Valves are very high input impedance (near infinite in most circuits) and high output impedance devices. They are also high voltage / low current devices.While valves themselves are described… … Wikipedia
Serial digital interface — (SDI) refers to a family of video interfaces standardized by SMPTE. [cite book | title = Digital Video and HDTV | author = Charles A. Poynton | publisher = Morgan Kaufmann | year = 2003 | isbn = 1558607927 | url = http://books.google.com/books?id … Wikipedia
ГОСТ 21879-88: Телевидение вещательное. Термины и определения — Терминология ГОСТ 21879 88: Телевидение вещательное. Термины и определения оригинал документа: 150. 2 T импульс Телевизионный измерительный сигнал, имеющий форму синусквадратичной функции за один ее период между нулевыми значениями и длительность … Словарь-справочник терминов нормативно-технической документации
Coherent anti-Stokes Raman spectroscopy — Coherent anti Stokes Raman spectroscopy, also called Coherent anti Stokes Raman scattering spectroscopy (CARS), is a form of spectroscopy used primarily in chemistry, physics and related fields. It is sensitive to the same vibrational signatures… … Wikipedia
Air traffic control radar beacon system — The air traffic control radar beacon system (ATCRBS) is a system used in air traffic control (ATC) to enhance radar monitoring and separation of air traffic. ATCRBS assists ATC radars by acquiring information about the aircraft being monitored,… … Wikipedia