摘要
根据在超低频低频段范围内，强迫力按正弦半波规律变化时，受迫振动异常的实验结果，讨论了在该频段范围内，由晶体二极管整流得到的正弦半波频谱的异常分布．
An abnormal frequency spectrum is observed in an experiment of forced vibration. It is turned out that the abnormality comes from the rectifying diode, the latter is discussed in detail.
出处
《大学物理》
1998年第3期29-31,共3页
College Physics
关键词
超低频
正弦半波
频谱分布
受迫振动
磁力摆
ultralow frequency
sinusoidal half-wave, distribution of frequency spectrum
