文中着重讨论了本振频率冷跟踪误差问题。
There are two kinds of errors, cold tracking error and post-hot-tracking error.
重点介绍激振力和激振频率的检测和处理技术。
Finally presents the detecting and processing technique of exciting power and frequence.
作为算例计算了四边简支菱形板的自振频率和临界载荷。
The critical load and natural frequency of rhombus plates with simply supported at all edges are calculated.
本文的着重于地脉动测试自由场地自振频率的机理研究。
This paper emphasize in study of mechanism of vibration frequency for free site in microseism testing.
阐明了土的侧向基床系数与桩的弯曲自振频率之间的关系。
The relationship between the modulus of subgrade and frequency spetra is explained.
你知道自己的“振频率”是多少吗？你想知道如何提升振频吗？
Do you know what your 'vibration rate' is and how you can raise it?
研究了火箭发动机高速旋转试验台高速轴在工作激振频率内的振型。
The mode shapes of the high-speed shaft in rotating test-bed for rocket engine within working excited frequencies were studied.
计算结果表明，机组扭振频率避开了工频与倍频，轴系不会因共振而破坏。
The calculation result indicates that the torsional vibration frequency will avoid from power frequency and multiple frequency.
泥浆振动筛处理量同其激振频率和振幅的关系是设计中必须妥善处理的问题。
The relation of screen capacity to the frequency and amplitude of vibration plays an important role in shale shaker design.
在预测管壳式换热器的振动时，准确地计算换热管的自振频率是非常重要的。
Calculating natural frequencies of the heat exchanger tube is an essential step in predicting its potential for flow induced vibration failure.
提出了一种测量既有桥墩自振频率的新方法，即冲击振动试验法(IVTM)。
An impact vibration test method (IVTM) for measuring natural frequencies of existing piers is proposed in this paper.
结果表明，考虑初始几何缺陷会使得拱桥的主要自振频率降低，振型发生改变。
Results showed that the defects in the arch decreased the frequency of free vibration and changed the modes.
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。
In this paper, the natural frequencies and modes of box water body researched by using three-dimensional finite element method.
改进后的分析结果表明排气二分管罩的自振频率明显提高，振动噪声得到有效抑制。
The analysis of the (improved) structure shows that the increase of natural vibration frequency is visible, the vibration noise of the shield is suppressed distinctly.
最后自动组成空间刚体自由振动微分方程的系数阵，并计算出刚体的自振频率和振型。
Therefore, the differential equations 'coefficient matrix of the free vibration of the spatial rigid body is automatically formed, and free vibration frequency and its type can also be found out.
使用解析方式推导得到机翼的临界颤振速度、颤振频率对于设计变量的灵敏度表达式。
Then the gradients of flutter speed and frequency of wing with respect to the design variables were deduced with analytical method.
轴系扭振频率和响应计算采用连续质量模型，次同步谐振特性分析采用集中质量模型。
The continuous model is adopted in the torsional vibration frequency and resonance of shaft system, the lumped parameter equivalent applied in the sub-synchronous resonance.
文中不仅介绍了重力拱坝自振频率与振型分布的研究结果，而且进行了振动应力的计算。
The authors not only presented the results of the investigation about the frequency of vibration and its amplitude of massive arch dam, but also computed its vibration stress.
发动机液压悬置是非线性很强的隔振元件，其动特性因激振频率和激振振幅的改变而改变。
Hydraulic engine mounting is a strong nonlinear vibration isolating component, and its dynamic characteristics varies with the exciting frequency and amplitude.
将单链DNA作为探针点在电极表面， 测量晶振频率的改变量，并设计出后续处理电路。
With the ssDNA as probe on the electrode surface, we can detect the frequency change and show it on the computer display.
分析了发动机振源对车架振动的影响，使车架主要模态的自振频率避开了发动机转速范围；
Then the author analyses the effect of the frame vibration and tries to make the natural frequency of vibration beyond the range of engine revolution rate.
根据动力学计算理论，提出一种新的方法来修正跳车法实测频率，以获取较准确的自振频率。
According to dynamics computation theory, this article proposed one new method revises jumps off the law actual frequency, gains the accurate base frequency.
变频振动下料机构是变频振动系统的重要执行部件，其激振频率直接影响制造质量和生产效率。
Cropping mechanism is a key component for variant frequency vibration cropping, and its excited frequency directly affects manufacturing quality and production efficiency.
本文第四章首先对张弦桁架结构的自振特性进行了分析，对其自振频率和振型的特点进行了总结。
In this paper, the natural characteristics of TSS will be analyzed firstly, and then the peculiarity of its frequency and vibration will be summarized.
而结构动力特性中的自振频率是反映结构自身特点的重要参数，是研究组合梁动力学问题的基础。
The natural frequency is a critical parameter of structure vibration; it is the foundation to investigate the dynamic response of composite beam.
采用车-桥系统相互作用的计算模型，对不同跨度简支梁桥的竖向有载自振频率进行了深入研究。
The vertical loaded free frequencies for the different span simply supported beam Bridges are investigated with the vehicle bridge system model.
采用车-桥系统相互作用的计算模型，对不同跨度简支梁桥的竖向有载自振频率进行了深入研究。
The vertical loaded free frequencies for the different span simply supported beam Bridges are investigated with the vehicle bridge system model.
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