用钕铁硼制作阻尼振动、受迫振动及共振演示仪
Physics Experimentation（2007）
Abstract
利用稀土永磁性材料钕铁硼(Nd-Fe-B)设计制作出了新型阻尼振动、受迫振动及共振演示仪.该演示仪器可演示阻尼振动的3种状态(欠阻尼状态、临界阻尼状态、过阻尼状态)、受迫振动及共振现象.
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Key words
Nd-Fe-B,resonance,damping vibration,forced vibration
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