An ideal model of vertical isolation system with gravitational positive feedback is proposed and some properties are discussed.The theoretical analysis shows that the resonant frequency of the system could be reduced ...An ideal model of vertical isolation system with gravitational positive feedback is proposed and some properties are discussed.The theoretical analysis shows that the resonant frequency of the system could be reduced much efficiently by means of a negative spring coefficient.展开更多
基金Supported by the National Natural Science Foundation of China。
文摘An ideal model of vertical isolation system with gravitational positive feedback is proposed and some properties are discussed.The theoretical analysis shows that the resonant frequency of the system could be reduced much efficiently by means of a negative spring coefficient.