单词 | ondograph |
释义 | ondograph [`än·dǝ´graf] ELECTRONICS An instrument that draws the waveform of an alternating-current voltage step by step; a capacitor is charged momentarily to the amplitude of a point on the voltage wave, then discharged into a recording galvanometer, with the action being repeated a little further along on the waveform at intervals of about 0.01 second. |
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