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subcarrier
(redirected from Subcarriers)

    Also found in: Dictionary/thesaurus, Wikipedia 0.02 sec.

subcarrier

A secondary telecommunications channel that resides within the main channel (a carrier within a carrier). A type of multiplexing, the subcarrier is a modulated carrier signal at a lower frequency that is combined with the main carrier signal running at a higher frequency.

Many Uses
Color TV signals were added in a subcarrier to black and white signals in order to maintain backward compatibility with monochrome TV sets. Stereo was added to FM radio in a subcarrier for compatibility. Subcarriers are also often used to provide the audio channel in a video broadcast. See carrier.

subcarrier [¦səb′kar·ē·ər]
(communications)
A carrier that is applied as a modulating wave to modulate another carrier.
chrominance subcarrier


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5, 2006 and describes a method and apparatus for allocating subcarriers in an orthogonal frequency division multiple access (OFDMA) system.
ADAPTIX Announces Issuance of U.S. Patent Covering Adaptive ... by Business Wire
With this tool, many analysis functions are available including time domain RF and I&Q graphs, frequency spectrogram, power spectral density, constellation diagrams, EVM per symbol or subcarriers and peak, average power levels and many other functions.
The Industry Leading IQmax(TM) WiMAX Test System Now Supports All ... by Business Wire
With this tool, many analysis functions are available, including time domain RF and I&Q graphs, frequency spectrogram, power spectral density, constellation diagrams, EVM per symbol or subcarriers and peak, average power levels and many other functions.
LitePoint Adds Mobile WiMAX Support to the Industry Leading IQmax(TM) ... by Business Wire
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