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Frequency (Film)

Director:Gregory HoblitWriter:Toby EmmerichTime Warner; PG-13; 100 minutesRelease:4/00Cast:Dennis Quaid, Jim Caviezel, Shawn Doyle Frequency is something special. Not only does it revolve…

frequency

(Encyclopedia) frequency: see harmonic motion; wave.

sideband

(Encyclopedia) sideband, any frequency component of a modulated carrier wave other than the frequency of the carrier wave itself, i.e., any frequency added to the carrier as a result of modulation;…

automatic tuning control

(Encyclopedia) automatic tuning control (ATC), method or device to keep a radio or television receiver automatically tuned to a desired frequency or channel. Assuming that the receiver is at least…

oscillator, electronic

(Encyclopedia) oscillator, electronicoscillator, electronicŏsˈəlāˌtər [key], electronic circuit that produces an output signal of a specific frequency. An oscillator generally consists of an…

modulation, in communications

(Encyclopedia) CE5 Modulation modulation, in communications, process in which some characteristic of a wave (the carrier wave) is made to vary in accordance with an information-bearing signal…

maser

(Encyclopedia) masermasermāˈzər [key], device for creation, amplification, and transmission of an intense, highly focused beam of high-frequency radio waves. The name maser is an acronym for…