【摘要】 通过分析振动系统密集频率组随系统参数的变化而产生的变化 ,建立了密频与重频系统间的相互关系 ,利用接近亏损系统的矩阵摄动法 ,给出一种计算亏损系统设计灵敏度的有效算法。更多还原

【Abstract】 The paper discusses the changes of vibration systems with close frequencies.As the system parameters are changed,the relation of systems between close frequencies and repeated frequencies is formed.A simple and efficient sensitivity formula based on perturbation method for near defective systems is presented.更多还原