phase+automatic+control

См. также в других словарях:

• Automatic transmission — An automatic transmission (commonly AT or Auto ) is an automobile gearbox that can change gear ratios automatically as the vehicle moves, freeing the driver from having to shift gears manually. Similar but larger devices are also used for heavy… …   Wikipedia

• control system — Means by which a set of variable quantities is held constant or caused to vary in a prescribed way. Control systems are intimately related to the concept of automation but have an ancient history. Roman engineers maintained water levels in… …   Universalium

• Automatic behavior — Automatic behavior, from the Greek automatos or self acting, is the spontaneous production of often purposeless verbal or motor behavior without conscious self control or self censorship. This condition can be observed in a variety of contexts,… …   Wikipedia

• Automatic dependent surveillance-broadcast — (ADS B) is a cooperative surveillance technique for air traffic control and related applications. An ADS B out equipped aircraft determines its own position using a global navigation satellite system and periodically broadcasts this position and… …   Wikipedia

• Phase modulation — (PM) is a form of modulation that represents information as variations in the instantaneous phase of a carrier wave.Unlike its more popular counterpart, frequency modulation (FM), PM is not very widely used. This is because it tends to require… …   Wikipedia

• Automatic train operation — (ATO) ensures partial or complete automatic train piloting and driverless functions.Most systems elect to maintain a driver (train operator) to mitigate risks associated with failures or emergencies.Many modern systems are linked with Automatic… …   Wikipedia

• Phase-locked loop — PLL redirects here. For other uses, see PLL (disambiguation). A phase locked loop or phase lock loop (PLL) is a control system that generates an output signal whose phase is related to the phase of an input reference signal. It is an electronic… …   Wikipedia

• Automatic number plate recognition — The system must be able to deal with different styles of license plates …   Wikipedia

• Control of the National Grid — The National Grid is the high voltage electric power transmission network in Great Britain, connecting power stations and major substations, and has a synchronized organization such that electricity generated anywhere in Great Britain can be used …   Wikipedia

• Automatic Radar Plotting Aid — A maritime radar with Automatic Radar Plotting Aid (ARPA) capability can create tracks using radar contacts. The system can calculate the tracked object s course, speed and closest point of approach (CPA), thereby knowing if there is a danger of… …   Wikipedia

• Ship gun fire-control system — Mk 37 Director c1944 with Mk 12 (rectangular antenna) and Mk 22 orange peel Ship gun fire control systems (GFCS) enable remote and automatic targeting of guns against ships, aircraft, and shore targets, with or without the aid of radar or optical …   Wikipedia