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| 单词 | amplitude-modulate |
| 释义 | > as lemmasamplitude-modulate amplitude-modulate v. [as back-formation] trans. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > processes > [verb (transitive)] > modulate (a device) > by varying amplitude amplitude-modulate1938 1938 G. E. Sterling Radio Manual (ed. 3) vi. 353 An analysis of a frequency modulated wave shows that it contains the same side bands that are present in an amplitude modulated wave. 1990 Physiotherapy 76 745/2 Both the medium frequency currents themselves, and the amplitude modulated beat frequency, are portrayed as sinusoidal. < as lemmas |
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