carrier noise

carrier noise

[′kar·ē·ər ‚nȯiz]
(communications)
Noise produced by undesired variation of a radio-frequency signal in the absence of any intended modulation. Also known as residual modulation.
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The CM3 Series updates incorporate a broad array of gated measurements including composite carrier noise (CCN), composite second order (CSO), composite triple beat (CTB) as well as advanced HUM and the company's new i-QAM(TM) feature.
Simplified automated measurements include: Level, VSWR/Return Loss, Insertion Loss, Carrier Noise, Cable Fault, Field Strength and Bandwidth.
In most cases the signal strength is very low compared to the carrier noise as the signal is received from the antenna.

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