模态

关于模态命题系统P5的协调性

On the Consistency of the Modal Propositional System P_5

Fuzzy模态逻辑及其基础系统

Fuzzy Modal Logic and Its Basic Systems

关于模态命题公式4、E和B的布尔值

On the Boolean Value of the Modal Formulae 4 、 E and B

对汽轮发电机组的H∞扭振模态观测器的特性进行了讨论。

Some characteristics of the H ∞ torsional modal observer of turbine-generators are discussed .

利用经验模态分解方法抑制SAR斑点噪声

Speckle Suppression Using the Empirical Mode Decomposition

采用ANSYS软件对振动网孔雾化器的模型进行了静力、模态和谐响应分析。

Static , modal and harmonic analysis are used to analyze the vibrating mesh nebulizer in ANSYS .

第2部分.给出了网架固有振动频率的拟夹层板法算法和ANSYS模态分析算法。

Part 2 . Equivalent sandwich plate and ANSYS modal analysis are used in the calculation of free vibration .

利用PVDF设计两维简支结构声辐射模态传感器

Design of Radiation Mode Sensor of Two-Dimensional Simple-Supported Structure Using PVDF Film

用有限元分析软件ANSYS对四分压电陶瓷管进行模态分析，得出该陶瓷管的前12阶谐振频率和模态振型。

Using the ANSYS software of finite element , modal analysis is executed and twelve steps harmonic frequency are obtained .

使用有限元分析软件ANSYS对结构建模，并进行模态和谐响应分析。

The modal and harmonic response analysis of the structure were implemented using the finite element analysis method with ANSYS software .

通过PVDF传感器测量振动板结构的声辐射模态伴随系数

Measurement of the adjoint coefficient of sound radiation using PVDF sensors for a vibrating structure

HHT方法在结构模态参数识别中的应用

Application of HHT for Modal Parameter Identification to Civil Structures

应用ANSYS有限元软件对一个小型燃气轮机向心涡轮的叶轮模态进行了数值分析。

Based upon the general FEA platform ANSYS , the numerical results of the modal analysis of a radial inflow turbine impeller are presented .

采用扩阶的Prony方法识别汽轮发电机基础的结构模态参数

Identification of modal parameter of turbodynamo foundation by augmented Prony method

多模态N2方法。

Multi modal N2 method .

Timoshenko梁的行波与模态的混合控制方法

Hybrid wave / mode control of Timoshenko beam vibration

结构模态迁移诊断方法客观地反映了井架整体结构状态，现场应用表明，该方法对车载井架、K形和塔形井架的安全承载能力标定可靠，效果良好。

The field tests show that it is reliable and effective to determinate the safe load carrying ability of truck-mounted derrick , K-shaped and tower-shaped derricks using this method .

用旋转主分量（RPC）方法，研究华北降水的空间分布特征。给出了华北降水空间分布的RPC的前10个模态。

Using the rotated principal component ( RPC ) analysis method , the distribution features of summer precipitation in North China is studied .

以某反射镜组件为例进行了计算，结果表明，子结构模态综合法与经典的整体FE分析法比较，求解的前10个固有频率误差小于7%，计算时间前者为后者的2/3；

The results indicate , modal synthesis of substructure contrasting to the classical FE method , normal frequency errors are less than 7 % , the calculate time is shorten to 2 / 3 ;

将经验模态分解和Wigner-Ville分布应用于轴承故障诊断的研究。

The empirical mode decomposition and Wigner-Ville distribution are applied in the research of fault diagnosis of the bearings .

建立了粘弹材料盘式制动器摩擦片振动的有限元模型，并模拟实际工况，利用Ansys软件对不同粘弹性的摩擦片进行模态分析。

Second , with the actual working conditions simulated , the finite element vibration model of disc brake-shoe is established . And the vibration of brake-shoes in different viscoelasticity materials are analyzed by ANSYS .

环境参量对广义Eady模态不稳定的影响

Influence of environment parameters on instability of generalized eady 's model

其一是用所谓迭代Ritz矢代替子结构的固有振动模态，以节约计算机时。

First , instead of natural vibration modes of substructure , the so-talled iterated Ritz vectors are adopted to economize CPU time of computation .

ITD（IbrahimTimeDomain）模态识别方法可不用输入系统的信息就识别系统的模态参数，但识别的模态参数常常很不精确，且阻尼比的识别精度很差。

ITD ( Ibrahim Time Domain ) method can identify structural modal parameters without structural input information , but results of ITD identification are often inaccurate and damping factors of ITD identification are very bad .

首先，建立空间分析模型，运用ansys对模型进行模态分析和谐响应分析，求得各点的振幅，进而求出动态弹性模量。

Firstly , set up the space analysis model , carry on mode and harmonious analysis to the model with ansys , try to get the amplitudes of each point , and then calculated the dynamic modulus of elasticity .

因此用ANSYS对栅网在高温工作状态下进行单独的热分析和动力学模态分析，可以了解其热形变、振型和固有频率，以便在设计中避免共振等不可靠因素的发生。

Through the thermal analysis and the dynamic modal analysis of grid with the ANSYS software under high temperature working condition , we can get the inherent frequency , vibration model , and the thermal distortion , which can avoid sympathetic vibration .

针对能代表MEMS器件特征的悬臂梁结构，采用了SPICE中标准多项式受控源的形式建立悬臂梁的多模态小信号等效电路宏模型。

Aimed at the cantilever beam structure which can stand for the characteristic of MEMS devices , standard polynomial controlled sources of SPICE are introduced to build multi mode small signal macromodel of equivalent circuit for cantilever beam .

HHT刚提出不久，其理论本身还存在不少问题，如包络线和均值曲线的拟合、边界效应和模态混叠等问题。

HHT has not been put forward for long time , so it contains some theoretical problems , such as envelop and mean curve fit , boundary effect , modes mix and so on .

使用频域分解技术（FDD）和时域随机状态子空间辨识技术（SSI）分别从加速度响应数据提取了堆垛机的工作模态参数，包括固有频率、阻尼比和模态振型。

These techniques include Frequency Domain Decomposition ( FDD ) and Stochastic Subspace Identification ( SSI ) . Vibration testing and modal analysis of a lane stacker under operational conditions were taken .

探讨了模态逻辑系统S5的运算子性质，进而证明关于它的本原运算子集的一个定理，并给出一些推论。

The properties of the operators of modal logic system S5 is investigated , then a theorem is proved about its primitive operator set , and some corollaries are given .