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任何物体产生振动后,由于其本身的构成、大小、形状等物理特性,原先以多种频率开始的振动,渐渐会固定在某一频率上振动,这个频率叫该物体的固有频率.当外界再给这个物体加上一个策动力时,如果策动力的频率与该物体的固有频率正好相同,物体振动的振幅达到最大,这种现象叫做共振.物体产生共振时,由于它能从外界的策动源处取得更多的能量,往往会产生一些意想不到的结果.
After the vibration of any object, due to its own physical structure, size, shape and other physical characteristics, the original vibration began at a variety of frequencies, will gradually be fixed at a frequency vibration, the frequency is called the natural frequency of the object. To this object with a driving force, if the driving force frequency and the natural frequency of the object is exactly the same, the maximum vibration amplitude of the object, this phenomenon is called resonance. When the object resonates, because it can from outside the driving source Get more energy at the Department, often have some unexpected results.