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In telecommunications, a carrier signal, carrier wave, or just carrier, is a waveform (usually sinusoidal) that is modulated (modified) with an input signal for the purpose of conveying information.This carrier wave is usually a much higher frequency than the input signal.n the case of single-sideband modulation (SSB), the carrier is suppressed (and in some forms of SSB, eliminated). The carrier must be reintroduced at the receiver by a beat frequency oscillator (BFO).
Rating Newest Oldest. Best Answer: A carrier signal is a transmitted electromagnetic pulse or wave at a steady base frequency of alternation on which information can be imposed by increasing signal strength, varying the base frequency, varying the wave phase, or other means.ARRIER SIGNAL: To accomplish the purpose of sending EM waves at a long diatance we add the aditional high frequency in our information signal becoze orignal signal is unable to do so itself it is called carrier singanl carrier frequency: the frequency of carrier signal is called carrier frequency.