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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).
The ratio of carrier to the peak of the distortion is defined as the CTB. A similar procedure is used for CSO except that the products are +/- 1.25 MHz from the carrier. For these CSO tests the carrier should be off. Q. How can the effects of coherent carrier frequencies on the consistency of distortion measurement be minimized? A.