| 单词 | harmonic |
| 释义 | harmonic A sinusoidal component of a waveform that is an integral multiple of a fundamental fre- quency. The signal waveform is known as the first harmonic. A waveform that has a component that is twice the frequency of the fundamental frequency, or signal waveform, is known as the second harmonic. An unwanted harmonic causes harmonic distortion. See harmonic distortion. |
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