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- Keywords: micro-gyroscope, silicon single crystal, three-axis angular-rate sensing, natural frequency and mode shapes. 关键词：微型陀螺仪、矽单晶、三轴角速率感测、振动自然频率与模态。
- Secondly, it establishes the dynamic model of the aerostatic bearing-spindle system, using the finite element method to obtain the natural frequency and mode shape. 其次，建立气体静压轴承-主轴系统动力学模型，以有限元素法求解其自然频率、振型。
- The natural frequency and mode of longitudinal and torsional vibration of derricks (masts) looked upon as a system of multi-degree of freedom are calculated as well. 按多自由度空间体系计算井架纵向和扭转振动的自振频率和振型。
- We calculated the natural frequencies and mode of vibration for a five stepped Si-beam of Si-piezoresistive accelerometer. 我们用该方法计算了硅压阻式加速度传感器五阶梯硅梁固频和振型。
- Through the finite element modal analyzing by ANSYS software, the natural frequencies and mode shapes of the unbonded prestressed simple concrete beam in different prestress levels are gotten. 论文采用有限元分析软件ANSYS对预应力混凝土简支梁进行了动力分析,得到了不同预应力作用下梁的自振频率及试验难于测得的模态振型。
- Mechanical model of the drill carriage with rotation and vibrating hammer for the new type taphole drill is established.The natural frequencies and mode shapes of the model are calculated. 建立了新型开铁口机电动钻冲机构的力学模型,计算了它的固有频率和主振型。
- Nature frequency and mode 固有模态
- In this paper,the natural frequencies and modes of box water body researched by using three-dimensional finite element method. 本文运用三维有限元方法离散水体，研究了箱形术体的自振频率及动水压力振型。
- Study on Natural frequencies and Mode of Coke Drum Structure 焦炭塔结构的固有频率和振型研究
- Based on the modal test of XH7650 machining center with LDS,the nature frequency and vibration style were given. 使用LDS振动分析仪对XH7650立式加工中心进行模态测试,得到其固有频率及振型。
- Finally, the torsion vibration nature frequency and torque amplitude factor of a rolling mill are calculated by using finite element method. 最后使用有限元法计算了某钢厂冷轧机主传动轴系的扭振固有频率和转矩放大系数。
- to calculate antenna structure's natural frequencies and mode of vibra tion. 计算天线结构的固有频率和振型等几个方面。
- Please include your QSL or report: date, time in UTC, frequency and mode (voice, packet or sstv). 你可以将你的QSL通联卡片或收听报告（包括：日期、UTC时间、频率、模式）寄往以上任何一个地址。
- The increased riser length lowers its mode frequency and mode curvature, thus a longer riser has better VIV fatigue characteristics. 长度增加导致隔水管模态频率与模态曲率降低，使得隔水管具有更好的VIV疲劳特性。
- The results show that this kind of isolator has special stiffness and damping characteristics, and its initial deformation has a great influence on the nature frequency and transmissibility. 7figs. 结果表明，该隔振器具有独特的刚度和阻尼特性，其初始变形对隔振器固有频率和传递率具有较大影响。
- Calculation of Natural Frequencies and Mode Shapes of Straight Beam via Segmental Linear Functions 直梁固有频率与振型计算的分段线性函数法
- This paper applies FEM, taking a U-shaped bellow for example, toestablish the finite element model, and carry through modal analysis to simulateits natural frequency and vibration mode with different parameters. 本文在总结波纹管常规分析方法的基础上,运用有限元分析和计算的方法,以某一U型波纹管为例,建立了参数化的有限元模型,并对不同参数下的模型进行模态分析仿真出固有频率和振型;
- The FEM equation of acoustic wave is used to calculate the air-current natural frequency and pressure pulsation in the pipeline. 利用有限元法求解声学波动方程，建立了管内气流的有限元运动方程，计算出管内气柱的固有频率和气流压力脉动。
- The natural frequency and the natural mode of vibrating screen have been calculated by the software for FEM, proposes the theoretical basis for the design of large-sized vibrating screen. 通过有限元软件计算出了筛体结构的固有频率、固有振型,为振动筛的大型化设计提供了理论依据。
- Using distortional spring model, theoretic analysis is applied on the relation of natural frequency and crack depth and its location. 摘要利用扭曲弹簧模型，对裂缝简支梁前三阶固有频率的变化与裂缝深度及位置的关系进行了理论分析。
