| 释义 |
Q signal Q signal[′kyü ‚sig·nəl] (communications) A three-letter abbreviation starting with Q, used in the International List of Abbreviations for radiotelegraphy to represent complete sentences. (electronics) The quadrature component of the chrominance signal in color television, having a bandwidth of 0 to 0.5 megahertz; it consists of +0.48(R-Y) and +0.41(B-Y), where Y is the luminance signal, R is the red camera signal, and B is the blue camera signal. |