picture frequency

См. также в других словарях:

• picture frequency — noun : the number of complete images sent or received per second in television transmission …   Useful english dictionary

• Frequency shift — In the physical sciences and in telecommunication, the term frequency shift has the following meanings: * Any change in frequency * A Doppler shift * Any change in the frequency of a radio transmitter or oscillator. (Note: In the radio regime,… …   Wikipedia

• Frequency (film) — Infobox Film name = Frequency image size = 200px caption = director = Gregory Hoblit producer = Gregory Hoblit Hawk Koch Toby Emmerich Bill Carraro writer = Toby Emmerich narrator = starring = Dennis Quaid James Caviezel Elizabeth Mitchell Andre… …   Wikipedia

• Frequency spectrum — Familiar concepts associated with a frequency are colors, musical notes, radio/TV channels, and even the regular rotation of the earth. A source of light can have many colors mixed together and in different amounts (intensities). A rainbow, or… …   Wikipedia

• Picture archiving and communication system — An image as stored on a picture archiving and communication system (PACS) The same image following contrast adjustment, sha …   Wikipedia

• frequency response — F/A/V the range of frequencies within which a microphone is sensitive. TV Measure of the range of frequencies a medium can respond to and reproduce. Good video response maintains picture detail; good audio response accommodates the broadest range …   Audio and video glossary

• motion-picture technology — Introduction       the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …   Universalium

• Ultra high frequency — (UHF) designates a range (band) of electromagnetic waves with frequencies between 300 MHz and 3 GHz (3,000 MHz). Also known as the decimeter band or decimeter wave as the wavelengths range from ten to one decimeters. Radio waves with frequencies… …   Wikipedia

• video frequency — Television. 1. transmission frequency of the television picture. 2. any of the frequencies present in the output of a television camera, from almost 0 to over 4 megahertz. 3. any frequency applied to the receiver s picture tube in order to… …   Useful english dictionary

• Utility frequency — The waveform of 230 volt, 50 Hz compared with 110 V, 60 Hz. The utility frequency, (power) line frequency (American English) or mains frequency (British English) is the frequency at which alternating current (ac, also AC) is transmitted from a… …   Wikipedia

• Radio-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… …   Wikipedia