natural frequency

The natural frequency of the system was identified by simulation .

经过仿真模拟，找出了系统的固有频率。

Solution of Natural Frequency of Structures Using Precise Time integration Method

结构固有频率的精细时程积分法求解

Method of Natural Frequency Optimization Design for Concrete Pump Truck

混凝土泵车固有频率优化的设计方法

Natural frequency reliability sensitivity analysis of a rotor system

转子系统振动的频率可靠性灵敏度分析

Influence of Physical Parameters on Vibrating Natural Frequency of Pressure Pipeline

物理参数对压力管道振动固有频率的影响

Mode , natural frequency and damping ratio of test results are obtained .

得到了复合墙板的振型、固有频率和阻尼比等试验结果。

The test of natural frequency and advanced finite element calculation method are presented .

主要叙述了压气机叶片的固有频率测试技术和先进的有限元计算方法。

Calculation of the natural frequency of main frame in radial gate

弧门主框架自振频率计算

The effect of fluid pressure on the natural frequency of the structure is discussed .

对加筋圆柱壳振动特性进行了数值分析，探讨了液动压力对结构固有频率的影响。

Calculate the natural frequency of layered ground based on mechanical impedance method

用机械阻抗法求成层地基的固有频率

The Internal Resonance Natural Frequency Analysis and Control for Helical Springs

螺旋弹簧局部振动频率分析与控制

Natural frequency reliability analysis for random structural systems

随机结构系统振动的频率可靠性分析

Concrete Structure Fault Diagnosis Using Natural Frequency

利用固有频率特征量诊断混凝土结构损伤位置

The natural frequency analysis and testing of flue gas turbine dynamic blade

烟气轮机动叶片自振频率分析与测试

Effect of Balance of Diesel Engine on Natural Frequency

柴油机配重的分配对自振频率的影响

Finally , solution to natural frequency is given by means of boundary conditions .

最后，利用边界条件求出了固有频率。

Design sensitivity of natural frequency in rotor bearing systems

转子-轴承系统固有频率对设计参数的灵敏度

Investigation on Experimental Sensitivity of Work Device Natural Frequency of Hydraulic Excavator

液压挖掘机工作装置固有频率的试验灵敏度

Optimal design of a scroll case with natural frequency constraints

具有频率约束条件的蜗壳优化设计

At first the method for calculating the fundamental natural frequency of structure is researched .

首先研究了结构的最低阶固有频率的计算方法。

Implementation of Turbine Blade Natural Frequency Measurement System

汽轮机叶片静频测试系统的实现

Function approaching solution of finding natural frequency of structure by dynamic substructure method

用动态子结构法求结构固有频率的函数逼近解

Natural frequency analysis of framework of knit-weaving machine by finite element method

织编机机架固有频率的有限元分析

Research on natural frequency of U pipe bundle of heat exchanger

U型管换热器管束固有频率研究

Application of torsional vibration natural frequency calculation program in rotary machines shaft system

旋转机械轴系扭转振动自振频率计算程序的使用

Research on Effects of Round Hole on Natural Frequency of Thick Round Plate

圆孔对厚圆板固有频率影响的研究

Damping ratio ξ and natural frequency ω n have effects on transition process .

文中采用时域法研究系统的动态特性，指出阻尼系数ζ和固有频率ωn对系统动态过渡过程的影响。

Theoretical research on transmission of universal gray matrix for the calculation of natural frequency

固有频率计算的泛灰矩阵传递理论研究

The calculation of natural frequency before and after reinforcement of pipelines

加固前后输油管线固有频率计算

Obtaining the natural frequency and main vibration mode of engine mount system using Matlab

用MATLAB计算发动机悬置系统的固有频率和主振型