on-off modulation
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modulation — (n.) late 14c., act of singing or making music, from O.Fr. modulation act of making music (14c.), or directly from L. modulationem (nom. modulatio) rhythmical measure, singing and playing, melody, noun of action from pp. stem of modulari regulate … Etymology dictionary
Modulation — For musical change of key, see Modulation (music). For other uses, see Modulation (disambiguation). Passband modulation v · d · e … Wikipedia
modulation — /moj euh lay sheuhn, mod yeuh /, n. 1. the act of modulating. 2. the state of being modulated. 3. Music. transition from one key to another. 4. Gram. a. the use of a particular distribution of stress or pitch in a construction, as the use of… … Universalium
Modulation transfer function (infrared imaging) — The Modulation Transfer Function (MTF) is used to approximate the position of best focus of an infrared imaging system. In an imaging system, best focus is typically achieved when the MTF is between 0.4 and 0.6; most often at 0.5 (50% cutoff… … Wikipedia
Off-the-air — For the Adult Swim television series, see Off the Air (TV series). In telecommunication, the term off air or off the air has the following meanings: In radio communications systems, pertaining to a radio station or television station that is… … Wikipedia
modulation — Synonyms and related words: AM, FM, PM, abatement, about face, accommodation, adaptation, adjustment, allayment, alleviation, alteration, amelioration, amplitude modulation, apostasy, arrangement, assuagement, betterment, blunting, break, calming … Moby Thesaurus
modulation — 1. The functional and morphologic fluctuation of cells in response to changing environmental conditions. 2. Systematic variation in a characteristic ( e.g., frequency, amplitude) of a sustained oscillation to … Medical dictionary
Channel length modulation — Cross section of a MOSFET operating in the saturation region One of several short channel effects in MOSFET scaling, channel length modulation (CLM) is a shortening of the length of the inverted channel region with increase in drain bias for… … Wikipedia
Pulse-width modulation — (PWM) of a signal or power source involves the modulation of its duty cycle, to either convey information over a communications channel or control the amount of power sent to a load. PrinciplePulse width modulation uses a square wave whose pulse… … Wikipedia
Delta-sigma modulation — Delta sigma (ΔΣ; or sigma delta, ΣΔ) modulation is a method for encoding high resolution or analog signals into lower resolution digital signals. The conversion is done using error feedback, where the difference between the two signals is… … Wikipedia
On-off keying — Passband modulation v · d · e Analog modulation AM · … Wikipedia
