在逻辑和形上学中，命题模态是可能性模态的两倍。
In logic and metaphysics, a modality of propositions that is dual to the modality of possibility.
最后深入分析了在该方案下太阳帆板挠性模态的稳定性。
Finally, the stability of solar sail flexible modes is analyzed in depth.
模态逻辑是关于必要性和可能性的逻辑。
可避免的不一致性可能导致多重模态分布或非正态分布，可能会对应用程序性能造成可度量的影响。
Avoidable inconsistencies may lead to multimodal or non-normal distributions and may have a measurable impact on application performance.
通过对比浮钳式盘式制动器各零部件的有限元模态分析和试验模态分析所得出的模态阵型，验证了有限元模型的正确性。
Through the comparison of modal shape of floating caliper brake system elements by finite element modal analysis and experiment modal analysis, the validity of finite element model is confirmed.
另外，密集模态挠性结构模型容易受到环境和结构参数变化的影响，导致控制器的失效。
In addition, flexible structures with close modes can be easily influenced by the environment and changes of structures parameters, which may disable the controller.
模态声发射由于无需扫查工件而利用裂纹生长产生的能量来实现检测，从而显示了极大的优越性。
Modal acoustic emission (MAE) that USES the energy produced by the growing crack for detection without scanning has shown its conspicuous advantage.
本文提出利用模态参数识别技术进行挠性转子动平衡的方法。
The present paper offers a method of balancing dynamically the flexible rotors with the technique of modal parameter identification.
管理模态工具应用的难度更多地来自纯粹的工具数量，而不是模态性。
The difficulty of managing a modal tool application isn't caused by the modality as much as it is by the sheer quantity of tools.
但其有效性的基础是建立在模态测试的准确性上，而传感器布设的位置、数量对测试结果起决定作用。
But its effectiveness is based on accuracy of modal testing, while the measurement locations and the number of transducers have a decisive effect on testing results.
第二章介绍了移动荷载识别的基本原理和相关知识，包括振型的正交性，模态叠加原理等。
The second chapter introduces the basic principle and the correlation knowledge of moving load identification, including mode shape orthogonality, mode superposition principle and so on.
有许多可能性的模态叠加呈现。这里有展示他们使用CSS转换和动画的一些现代的方式。
There are many possibilities for modal overlays to appear. Here are some modern ways of showing them using CSS transitions and animations.
通过与准确模态解的比较，对这5种解的准确性进行了试验。
The accuracy of 5 solutions is experimented by comparing with the exact model solution.
研究了模量模型的随机性对结构固有频率和模态损耗因子的影响。
The influences of model randomness on the resonant frequency and the modal loss factor of structure are studied.
首先介绍模态相关性分析的一般方法。
First, the general methods of modal correlation evaluation are presented.
较高模态的相对重要性的说明也是困难的，因为较高的频率趋于挤在一起。
Interpretation of the relative importance of the higher modes is difficult since the higher frequencies tend to be closely spaced.
建立了发动机实体和有限元模型，介绍了计算模态分析和模态相关性分析的一般方法与理论。
The method of the calculated modal analysis and the modal correlation is introduced, and the geometrical model and finite element model are established.
对于三维目标拦截问题，提出了一种新的具有鲁棒性的扩展连续滑动模态末制导律。
For the case of a three-dimensional interception, a new continuous extended sliding mode guidance law with robustness is proposed.
这种控制方式既保留了传统的滑动模态控制的优点，又解决了高频抖动的问题，同时也提高了控制的鲁棒性。
This control method retains the positive properties of conventional sliding modecontrol. and solves the problem of high frequency shiver. as well as increases the robustness of the controller.
利用INV306型智能信号采集和处理分析系统对振动机构进行模态验证试验分析，以确定仿真模型和分析数据的正确性。
The modal experiment analysis on vibration mechanism will be completed by INV306 intellectualized signal collection and process analysis system for validating the finite element analysis model.
在分布式MIMO系统中的TDD模态采用仅仅反映系统容量使用信息的简化反馈方式，可以降低系统复杂性。
A simple feedback that only indicates the capacity autocorrelation information (CAI) can be used in the TDD mode of the distributed MIMO system to decrease the system complexity.
用模态坐标变换法推导了用模态参数描述的车辆垂向平稳性指标计算表达式。
An expression of the vertical ride comfort index of rail vehicles was derived by modal coordinate transform and described by modal parameters.
为了对载重车进行平顺性优化设计，本文首先对载重车进行了模态分析、谐响应分析、随机振动分析。
In order to make the optimal design of the ride performance, firstly, the modal analysis, the harmonic response analysis and the random vibration analysis are performed.
由于成像机理不同和人体组织结构的高度复杂性，不同模态的医学图像提供了不互相覆盖的结构互补信息。
Because of a different imaging mechanism and highly complexity of body tissues and structures, different modality medical images provide non-overlay complementary information.
与试验模态结果相对比，证实了工作模态分析理论与方法的可行性。
Compared with the results of experimental mode, it proves that the theory and methods of operating modal analysis are practicable.
在挠性卫星动力学模型的基础上，建立了只考虑太阳帆板三阶振动模态的挠性卫星三轴姿态控制模型。
The three-axis attitude stabilization system of the flexible satellite has been studied, in which three basic vibration modes of the solar array have been considered.
研究了多机系统中使用统一潮流控制器(UPFC)抑制电力系统多模态振荡的可行性。
This paper investigates the feasibility of damping multi-mode oscillations using unified power flow controller (UPFC) in a multi-machine power system.
针对现有结构灵敏度分析方法中存在的问题，借鉴于模态综合技术在计算上的简便性，提出并建立了结构灵敏度分析的子结构方法(SSSA法)。
In this paper, the substructure method (SSSA), which USES the technique of modal synthesis to simplify the calculation, is aimed at the improvement on the weakness in the existing methods.
针对现有结构灵敏度分析方法中存在的问题，借鉴于模态综合技术在计算上的简便性，提出并建立了结构灵敏度分析的子结构方法(SSSA法)。
In this paper, the substructure method (SSSA), which USES the technique of modal synthesis to simplify the calculation, is aimed at the improvement on the weakness in the existing methods.
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