Phase Shift: The fraction of a complete cycle elapsed as measured from a specified reference point and expressed as an angle. 2. Out of phase in an un-synchronized or un-correlated way.

 

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Phase Shift: The fraction of a complete cycle elapsed as measured from a specified reference point and expressed as an angle. 2. Out of phase in an un-synchronized or un-correlated way.

Quadrature Phase-Shift Keying (QPSK): A method of modulating digital signals using four phase states to code two digital bits per phase shift.

Phase Transition: Iron phase transitions are at room temperature to 1,670°F (910°C) iron is body-center cubic, 1670°F (910°C) to 2535°F (1388°C) iron is face-center cubic and 2535°F (1390°C) the melting point . . . View Full Definition

Wind Shift: The term applied to a change in wind direction of 45 degrees or more, which takes place in less than 15 minutes. It may the result of a frontal passage, from katabatic winds, sea breezes, or . . . View Full Definition

Phase Transitions: When metals or metal alloys go from solid to liquid or the reverse, this is a

Phased Array Radar: A phased array radar uses an antenna that consists of an array of antenna elements along with signal processing that allows the antenna to be steered electronically.

Phased Retirement: A work schedule arrangement that allows employees to gradually reduce their full-time hours over a period of time.

Phase Reduction: A processing of observed high and low waters to obtain quantities depending upon the phase of the Moon, such as the spring and neap ranges of tide. At a former time this process was known as . . . View Full Definition

Phase Linear: Any audio system which accurately preserves phase relationships between frequencies, i.e., that exhibits pure delay.

Phase Control: A 2-position switch found on some powered subwoofers that lets you delay the subwoofer's output slightly so that it is in phase with the output from your main speakers.