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- In frequency modulation, the rest frequency, i.e., the frequency of the unmodulated carrier. Synonym carrier frequency. 2. The frequency of the middle of the bandwidth of a channel. [47CFR] 3. In facsimile systems, the frequency midway between the picture-black and picture-white frequencies.
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- frequency accuracy, frequency compatibility, frequency instability, frequency source, frequency synthesizer, natural frequency, picture frequency, protected frequency, sampling frequency, telephone frequency, two-source frequency keying, V number, voice frequency carrier telegraph (VFCT)