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- vibration modal density 振动方式密度
- The feasible domain of SEA for dynamic analysis of container ship is identified by presentation of the modal density of subs. 对大型集装箱船中高频域振动及舱室噪声数值计算的建模方法进行了研究。
- The analysis of vibration modal is accomplished by using ANSYS.Further more, the optimal vibration modal and driving frequency have been implemented by animate function of ANSYS. 利用有限元分析方法对超声马达进行模态分析，求解出超声马达的最佳振动模态和驱动频率。
- Vibration modal shapes of a bonding tool with high frequency velocity are measured with a laser Doppler vibrometer, then the theoretic conclusion is proven. 摘要利用扫描式多普勒测振仪，对劈刀的振动形态进行测试，其结果证实了：当改变劈刀与变幅杆联结的松紧程度时，会对其振动的模态振型产生影响；
- Firstly, based on the mechanical behavior analysis and properties test of CFRP, the numerical analysis on the stress-strain, vibration modal and LCF life of the BLISK with CFRP ring were presented. 首先，在进行CFRP力学行为数值模拟和性能测试的基础上，进行了带箍环整体叶盘应力应变分析、振动特性分析和低循环疲劳寿命预测。
- The Advances of vibration Modal Analysis System 振动模态分析系统的进展
- The vibrating modal analysis of axisymmetrical laminated cylindrical shells with throughout circumference delamination is investigated. 对具环向贯穿脱层的轴对称层合圆柱壳进行振动模态分析。
- Application of Response Window to Modal Density Testing by Impact 模态密度瞬态测试法中指数窗的应用
- THE MODAL DENSITY TESTING METHOD OF A LOW DAMPING PLATE 低阻尼板结构模态密度测试方法
- Study on the modal density of a free damped layered panel 自由阻尼复合板的模态密度研究
- Based on FEM the bending vibration modals in the plane of this stator are analyzed and the symmetrical characteristic of this stator is given and the stator prototype is experimental investigated. 采用有限元数值方法分析了该种振子可以利用的面内弯曲模态，给出了对边两两激励的一种对称模式，并就所研制的振子模型，进行了实验研究。
- Continuous Parameter Model and Vibration Modal of Splitter Vane Rotor 大小叶盘结构连续参数模型和振动模态
- Experimental identification of modal density parameters of aluminum honeycomb sandwich panel 铝蜂窝夹层板模态密度参数实验辨识
- Vibration modal calculation for stabilizing platform on rotary steering drilling system 旋转导向钻井工具稳定平台振动模态计算
- The density of population in this city is very high. 这个城市的人口密度非常高。
- Even at full speed the ship's engines cause very little vibration. 这条船即使全速前进，发动机的震动也很小。
- Your finger can feel the vibration on the violin string. 你的手指能感觉小提琴琴弦的颤动。
- Reduction of Vibration Modal for a Cantilever with Non-Obstructive Particle Damping 悬臂梁的非阻塞性微颗粒阻尼减振模型研究
- Designed or constructed to operate smoothly and without vibration. 自动定的为运行平稳、无振动而设计或建造的
- MEASURED VARIABLE-AMPLITICED FATIGUE DATA AND VIBRATION MODAL ANALYSIS OF CRANE BEAM 实测吊车梁变幅疲劳数据及振动模态分析
