The effects of design parameter changes were investigated on system natural frequence and vibration modes 分析了物理参数对系统固有频率和模态的影响。
Test methods for properties of piezoelectric ceramics . thickness - shear vibration mode for rectangular plate 压电陶瓷材料性能测试方法长方片厚度切变振动模式
Test methods for the properties of piezoelectric ceramics . transverse length extension vibration mode for bar 压电陶瓷材料性能试验方法长条横向长度伸缩振动模式
Test methods for the properties of piezoelectric ceramics - longitudinal length extension vibration mode for rod 压电陶瓷材料性能测试方法柱体纵向长度伸缩振动模式
This article presents an analytical formulation or correlating signal subspaces of two closed - spaced vibration modes 摘要本文旨在以向量空间关联性的方法来分析两个相近频率模组的关系。
Moreover , the structural dynamics analysis models of wing and the whole rocket are established , and the vibration modes are evaluation 对全弹和尾翼进行动态的强度分析,得出频率和振型。
A long press on the * key when idle mode changes alert mode from melody and to vibration mode and from vibration to melody mode 在空闲模式下,长时间按*键可以转换提示模式(从铃声换为振动或从振动换为铃声) 。
A long press on the * key when idle mode changes alert mode from melody and to vibration mode and from vibration to melody mode 在空闲模式下,长时间按*键可以转换提示模式(从铃声换为振动或从振动换为铃声) 。
Moreover , the structural dynamics analysis model of the whole projectile is established , the inherent frequency and the vibration modes are evaluated 另外,对全弹进行模态分析,得出固有频率和振型并与解析法相比较。
Computational results illustrate that good approximation can be achieved with less computational effort by applying the first few vibration modes 算例表明,采用低阶模态进行计算,得到较高精度的分析结果的同时,可以有效地减少计算时间。