本文提出一种结构局部动力修改逆问题的求解方法。
A method for solving inverse problems of structural local dynamic modification is proposed in this pa-per.
首先探讨了基于动力特性灵敏度分析的动力修改技术。
First of all the dynamic modification technique based on sensibility analysis of dynamic characteristics was probed.
首次将模态试验分析和动力修改技术引进到大圆筒码头。
Techniques of modal tests and dynamic modification are applied to the analysis of large cylindrical wharf structures.
其分析结果可以为其结构改进、优化设计和动力修改提供理论依据。
The result also can be applied for the theoretical basement in the structural improvement, optimal design and dynamic modification.
同时针对结构存在的问题，通过灵敏度分析对结构的动力修改提出了改进意见。
Aiming at potential problems, the structure dynamic modification is made by means of sensitivity analysis.
所以改进钻机底座的设计或对现役钻机底座进行动力修改以改善其动态特性，很有必要。
Thus, it's necessary to improve the design of rig substructure or better the dynamic characteristic of substructure that is being used by dynamic modification.
本文介绍自研制的“结构动力修改程序”，述及一般原理及框图，并给出一个悬臂梁实例。
This paper introduces the "structure dynamics modification program" developed. Its general principle, a block diagram and an example on a cantilever beam are presented.
对轿车车头子系统进行正确的结构动力修改是利用其代替整车进行室内道路模拟试验的关键。
Structural dynamics modification of car front-body subsystem is crucial to the laboratory road simulation test in which it is used for testing instead of car body.
本文针对机械结构动力修改的特征导数法(EDM)所存在的问题，提出逆特征导数法(IEDM)。
In this paper, an inverse eigen derivative method (IEDM) for dynamic modification of mechanical structures is formulated for improving the eigen derivative method (EDM).
本文对修改结构局部刚度和质量参数，从而使其具有给定固有频率的动力修改问题提出了一种求解方法。
In this paper, a method for shifting the natural frequency of a structure to a desired value by modifying the local stiffness and mass parameters is proposed.
本文从多自由度线性系统运动方程出发，利用有限元方法，对滚动转子式制冷压缩机QX- 222型进行了模态分析和动力修改。
Based on dynamic equation of multi-freedom linear system, model analysis and dynamic modification for rotary compressor QX-222 are carried out by finite element method.
本文基于结构动力修改，提供了修改的思路和方法：通过刘叠片联轴器联结的结构进行分析，利用有限元方法建立系统的力学模型以及系统扭转振动微分方程。
So structure parameters are needed to modify. This paper provides a good idea and effective methods based on the theory of structural dynamic modification to solve the problem.
板梁组合结构模型敏感性分析为结构动力优化修改提供了依据。
The sensitivity analysis of the stiffened plates has show way for the amending of dynamical optimize.
所以很有可能在未来几个月的报告中，11月份的数据将会被修改提高，以表明劳动力市场和其他领域一样也在逐渐复苏。
It's likely, then, that the November figures will be revised up in future months to show a better performance more in keeping with broader trends.
结构动特性灵敏度在动力学结构修改和故障诊断中被广泛地应用。
The structural dynamic characteristic sensitivity is widely applied to modification of the dynamic structure and the diagnose trouble.
本文通过对结构物理参数的敏感性分析，得出各参数中敏感性比较高的单元，为结构动力优化修改提供依据。
The more sensitive parameters were get after analysis, and it can be used to the amending of dynamical optimize.
提出一种基于有限元结构动力分析的船体板架固有频率实用修改方法，并进行了软件设计。
Authors suggest a practical method based on dynamic analysis of finite element for modifying natural frequencies of hull grillage beam, and its software is completed.
修改后的公式对于减少设备费用、节约动力消耗，效益是可观的。
The modified formula brings about obvious effect in reduction of equipment cost, decrease of power consumption.
一旦竞选成功，我父亲会修改劳动法，让女性作为主要劳动力的重要组成部分不再遭受不公正待遇。
As President, my father will change the labor laws that were put into place at a time when women were not a significant portion of the workforce.
对于这场比赛，我们将评估一个小一些修改-这包括对车身一些空气动力学改进-。在周五的练习。
For this race, we'll be evaluating a number of small modifications - which include some aerodynamic refinements to the bodywork - during Friday practice.
本文提供了一个用来修改结构动力参数的方法。
Presented in this paper is a method for correcting the structural dynamic parameters.
现代汽车的高速化和舒适性要求汽车具有良好的动力特性，车架作为汽车的承重结构，其动态特性的好坏在很大程度上反映了汽车的整车特性，因此，汽车车架的模型修改在汽车设计中日趋重要。
The dynamics of an automotive frame affects the strength, stability and comfort of the whole automobile, so it is important to make dynamic model modifications according to the respective demands.
载荷识别与系统参数辨识、动力特性修改等都属于振动的反问题。
Loading identification, like the system parameter identification and dynamic characteristics modification, is an inverse problem of structural vibration.
基于灵敏度分析，采用多步灵敏度计算方法对其进行动力学修改。
Based on the sensitivity analysis, a multi-step method for dynamic modification was presented.
本文研究了多组耦合模态结构动力学参数修改的子空间摄动法。
A subspace perturbation method for structural dynamic modification of several groups of coupled-modes vibration systems is studied.
本文研究了修改桥梁结构设计参数，使其自振周期和振型满足预先给定设计要求的动力特性修改过问题，提出了一种求解方法。
This paper presents a method for modifying the designing structural parameters of a bridge structure so that the bridge structure will freely vibrates at prescribed frequencies and modes.
瓦特修改了原有的动力单位“马力”的计算方法，人们为纪念他，将功率的单位命名为瓦特。
Watt devised the original calculation to define 'horsepower' and the unit of electrical power was named after him.
本方法解算简便，经略微修改可适用于一般关节型机器人动力学模型。
Besides, we present the procedure for obtaining dynamic equations of general robot by using kane's dynamic eqations.
经过修改和完善之后，希望能够用作《船舶主动力装置》、《轮机自动化》等课程的辅助教具。
With scrupulous amendment and perfection, it can be taken as auxiliary teaching software in such courses as "Marine propulsion system" and "Marine automation".
的修改包括新的前扰流板，这看起来像是来自前端雪犁列车，以及其他许多美学和空气动力学的修改。
The modifications consist of a new front spoiler, which looks like it came from the front end of a snow plough train, as well as numerous other aesthetic and aerodynamic modifications.
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