本文用等效线弹簧模型计算裂纹转轴的动力稳定性问题。
In this paper, the equivalent line-spring model is employed to study the dynamic stability of a rotating cracked shaft.
利用等效线弹簧模型近似计算了含裂纹转动轴的自由振动基频。
In this paper a model of the equivalent linear spring is proposed for approximately calculating fundamental frequencies of a vibrating shaft with an arbitrary crack.
根据现有资料情况,确定了采用等效线中心投影的构像模型作为几何处理的数学基础。
According to the image data possessed, the formation model of equivalent line central projection is adopted to establish the correspondence between image and object space.
本文引入了几何非线性关系和等效线弹簧模型对含裂纹的弹性轴弹性盘转子系统进行非线性动力学分析。
Non-linear dynamics characters of a rotor system for an elastic shaft-disk with a crack are examined by introducing the geometric non-linearity and equivalent line-spring model.
我们需要在地上为JVM等效画条线,一条更接近实用需求而远离图灵等效的线。
We need to draw the line of JVM-equivalence in the sand, closer to pragmatic needs than Turing-equivalence.
为了用较小的规模模拟相对较长的金线和较大的焊盘,提出了一种温度场分析的等效方法。
To simulate the long gold wire and large bond pad, an equivalent method was presented in thermal analysis.
从应力波表层损伤理论分析了混凝土表层“开坑区”的侵彻特性,提出“简化等效阻力线”的计算方法;
Penetration performance in surface layer of concrete target was analyzed by stress wave damage theory, calculating method base on "simplified equivalent resistance line" was presented.
一般基于电机稳态等效方程的闭环控制很难实现恒线速运行控制。
Generally, it is hard to realize constant velocity control by means of closed-loop control based on motor steady equivalent equation.
根据线弹簧界面和具有任意弹性模量的薄界面相之间的等效关系,得到了弹簧常数的表达式。
According to the equivalent condition between the linear spring interface and the thin interphase with arbitrary elastic properties, the exact expressions of the spring constants are obtained.
为了优化计算,提出了线电荷与点电荷相结合的等效电荷法。
In order to optimize the computation method, the charge simulation method has been developed combined with the equivalent line and point charge.
利用等效传输线理论,得到第一设计方程;
The first design equation is derived using equivalent transmission line theorem.
为了探讨弯曲差动传输线的差动弯角特性,我们采用一个集总等效电路来表示差动弯角。
In order to investigate the differential bend of the bended differential transmission line, a lumped equivalent circuit is adopted.
针对上述问题,本文首先通过传输线理论建立了机车用电缆的分布参数模型,以及变频调速牵引电机的高频等效电路。
In allusion to the problems mentioned above, firstly, the paper models the distribution parameter circuit of the cable and the high frequency circuit of motor through the transmission theory.
焊缝中心线附近的等效塑性应变和结构纹理呈现洋葱状结构。
Onion rings are formed in the microstructural texture and in the equivalent plastic distributions.
提出了用于数值计算的子电路离散时域等效电路模型,并以此建立了多相耦合传输线的离散时域等效电路模型。
The equivalent sub-circuit model in discrete domain is formed for numerical simulation and the equivalent model of the coupled multiphase transmission lines is then proposed in discrete domain.
科罗达等效方法可将抛物线型无损非均匀传输线用均匀传输线及若干集中参数元件组成的等效电路表示。
Based on Kuroda's identities, parabolic lossless nonuniform transmission line(NTL) can be represented by the equivalent circuit consisting of lossless uniform transmission line and lumped elements.
目的:对乳腺癌术后胸壁放射治疗时不同能量电子线照射不同厚度组织等效膜产生的剂量进行测量及分析。
Objective To study the dose distribution of different bolus after different energy electron beam irradiation to different chest wall radiotherapy for the patients with breast cancer.
然后,提出了一种求解辐射场通过场线耦合形成对设备干扰的等效替代模型。
Moreover, an equivalent substitution model for field to wire coupling of the radiation EMI fields coupling to the equipment external cable is presented.
RG线作为时深转换基准面的前提是RG线等效于地表高程的平滑线。
The precondition of RG line being as datum of time-depth conversion is that the RG line is equivalent to the smooth line of surface elevation.
用这种等效方法可以求解抛物线型非均匀线的精确解。
By this way, the exact solutions of parabolic lossless nonuniform transmission line can be gained.
该曲线族可以转换成相同损伤量下交变应力与循环数关系的等效损伤线族,显示了损伤场全貌。
These curves are then transformed into equivalent damage curve family. Thus the full fatigue damage field is shown .
文章论证了所述等效理论具有的形变功率等值性和线弹性条件下的应变能等值性。
It is proved that the equality of deformation powers and the equality of strain energy in case of linear elasticity are deduced from the present theory.
利用均匀传输线理论,将测量电缆用均匀传输线模型等效来校正测量结果。
According to the transmission line theory, a correction method which USES a homogeneous transmission line to simulate the cable is put forward.
本文依据传输线理论、微波网络理论、天线原理、矩量法和矩阵理论等,建立起基本传输线方程和四种等效电路模型,为使用集总电路迭代近似方法建立了基础。
In this paper, basic transmission line equation and four kinds of lumped-circuit model were constructed according to transmission line theory, microwave network, antenna theory and matrix theory.
提出将电子束作传输线内导体等效,采用陶瓷电容分压器来测量速度比的方法。
The electron beam is equivalent to transmission-line inner conductor. A ceramic capacitance divider is proposed for velocity ratio measurements.
初步分析母线传输特性,包括传输线等效模型和传输线高频耦合干扰模型。
Analysis of the bus transfer characteristics is detailed, including the modeling of transmission line and high-frequency coupled interference of transmission line.
初步分析母线传输特性,包括传输线等效模型和传输线高频耦合干扰模型。
Analysis of the bus transfer characteristics is detailed, including the modeling of transmission line and high-frequency coupled interference of transmission line.
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