power unit noise
1Auxiliary power unit — An auxiliary power unit (APU) is a device on a vehicle whose purpose is to provide energy for functions other than propulsion. Different types of APU are found on aircraft, as well as on some large ground vehicles.AircraftFunctions of APU The… …
2Noise regulation — includes statutes or guidelines relating to sound transmission established by national, state or provincial and municipal levels of government. After the watershed passage of the United States Noise Control Act of 1972,[1] other local and state… …
3Power — may refer to*any ability to effect change;political or social * Power (philosophy) ** Political power, power held by a person or group in a country s political system ** Reserve power, a power exercised by a head of state in certain exceptional… …
4Noise spectral density — In communications, noise spectral density No is the noise power per unit of bandwidth; that is, it is the power spectral density of the noise. It has dimension of power/frequency (see dimensional analysis), whose SI coherent unit is watts per… …
5Noise gate — A Noise Gate or gate is an electronic device or software that is used to control the volume of an audio signal. In its most simple form, a noise gate allows a signal to pass through only when it is above a set threshold: the gate is open . If the …
6Power Mac G5 — Infobox Computer name = Power Mac G5 developer = Apple Computer, Inc. type = Desktop photo = caption = Apple Power Mac G5 first release date = June 24, 2003 discontinuation date = August 7, 2006 processor = Single or dual PowerPC G5, 1.6 2.7 GHz… …
7Power supply — For the Budgie album, see Power Supply (album). A vacuum tube rackmount adjustable power supply, capable of +/ 1500 volts DC, 0 to 100mA output, with amperage limiting capability. A power supply is a device that supplies electrical energy …
8Power supply rail — A power supply rail or voltage rail refers to a single voltage provided by a power supply unit (PSU) relative to some understood ground. Although the term is generally used in electrical engineering, most people encounter it in the context of… …
9Noise power — In telecommunication, the term noise power has the following meanings: The measured total noise per bandwidth unit at the input or output of a device when the signal is not present. The power generated by a random electromagnetic process.… …
10Power Transfer Unit — The purpose of the Power Transfer Unit (PTU) is to produce hydraulic pressure in the left hydraulic system in the event of a left hydraulic system engine driven pump failure.The PTU is used when there is right hydraulic system pressure but no… …
