Standing Wave Demo: Slinky
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Summary
在这个演示中,使用弹簧展示了横向驻波和行波。通过手的上下运动,产生的波动从演示者传到助手帕克,并在帕克的手上反弹,形成波峰与波谷的转换。驻波是通过选择与弦长度匹配的频率,使波动相互重叠,形成驻波图案。最低频率的驻波称为第一谐波,随着频率的增加,形成第二谐波、第三谐波等,每种模式对应特定的频率,展示了驻波的无限模式。
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