| 单词 | signal generator |
| 释义 | > as lemmassignal generator signal generator n. Electronics an instrument or apparatus that generates electrical signals; spec. one for generating modulated or unmodulated electrical waveforms of known amplitude and frequency for use in adjusting and testing electronic equipment. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > [noun] > device generating signal signal generator1894 staircase generator1956 1881 U.S. Patent 240,853 2/2 In telephone toll systems, the combination..of an electrical-signal generator, a locked calling-switch, and an unlocked switch.] 1894 U.S. Patent 512,399 2/1 The subscriber..who initiated the connection, by rotating his signal generator a2 transmits a signaling current over the line b to the central office. 1929 K. Henney Princ. Radio xv. 376 The circuit diagram is that of the General Radio Signal Generator, a device which consists of a radio-frequency oscillator, a means of measuring and controlling its output, and a means of using any desired part of this output. 2002 Sound & Vision May 85/1 Using a test DVD or a signal generator, he will bring up a ‘window’ pattern—a gray rectangle in the center of the screen on a black background. < as lemmas |
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