phase alternating line

См. также в других словарях:

• Phase Alternating Line — Das Phase Alternation Line Verfahren [feɪz ˈɒltəneɪʃən laɪn], kurz PAL, ist ein Verfahren zur Farbübertragung beim analogen Fernsehen. Es wurde mit dem Ziel entwickelt, störende Farbton Fehler, die im NTSC Verfahren nur manuell und unbefriedigend …   Deutsch Wikipedia

• Phase Alternating Line — Pour les articles homonymes, voir Pal.      NTSC …   Wikipédia en Français

• Phase Alternating Line — F/A/V 1. The European color television standard that specifies a 25Hz frame rate and 625 lines per frame. 2. Phase Alternate Line; the video standard for much of Europe and Australia …   Audio and video glossary

• Alternating current — (green curve). The horizontal axis measures time; the vertical, current or voltage. In alternating current (AC, also ac) the movement of electric charge periodically reverses direction. In direct current (DC, also dc), the flow of electric charge …   Wikipedia

• Burst phase — is the first ten cycles of colour burst in the porch of the synchronising pulse in PAL (Phase Alternation Line) format. The frequency of this burst is 4.43361875 MHz, it is precise to half a cycle and is used as the reference frequency to… …   Wikipedia

• phase — phaseless, adj. phasic, phaseal, adj. /fayz/, n., v., phased, phasing. n. 1. any of the major appearances or aspects in which a thing of varying modes or conditions manifests itself to the eye or mind. 2. a stage in a process of change or… …   Universalium

• Traction current line — A traction current line is a high voltage transmission line for the supply of railways with traction current for powering locomotives. A network of traction current lines is needed in countries where trains use single phase alternating current of …   Wikipedia

• Overhead power line — This article is about power lines for general transmission of electrical power. For overhead lines used to power road and rail vehicles, see Overhead lines. Transmission lines in Lund, Sweden …   Wikipedia

• Three-phase electric power — This article deals with where, how and why three phase is used. For information on the basic mathematics and principles of three phase, see three phase. Three phase electric power is a common method of alternating current electric power… …   Wikipedia

• Transmission line — This article is about the radio frequency transmission line. For the power transmission line, see electric power transmission. In communications and electronic engineering, a transmission line is a specialized cable designed to carry alternating… …   Wikipedia

• Watford DC Line — 378210 at Watford Junction with a service from London Euston. Overview Type Commuter rail, Rapid transit …   Wikipedia