| 单词 | Q signal |
| 释义 | Q signal [`kyü ´sig·nǝl] 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. |
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