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Definition of "carrier amplitude" |
amplitude of the radio frequency sinusoid used as a vehicle for transporting intelligence from the sending end of a communications link to the receiving end. For an AM, FM, or PM wave, the peak amplitude of the spectral component in the frequency domain about which symmetry exists. The carrier amplitude (as a function of time) contains a portion of the intelligence for angle modulation ( See frequency modulation and phase modulation). In contrast, the carrier amplitude contains no information for AM or any of the SSB variations ( See amplitude modulation and single sideband modulation), but is merely used as a frequency marker. |
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