研究具有非线性刚度转子系统的主共振特性。
Main resonance characteristics of a rotating system with nonlinear stiffness was studied.
利用当量轴可方便地分析阶梯传动轴的主共振。
It is easy that the main resonance of a stepped drive shaft is analyzed with the equivalent shaft.
传动轴的主共振的振幅与传动轴的强度计算有关。
Main resonance amplitude of a shaft is concerned with the strength calculation.
分析了主共振的振型、最大振幅、稳定性和振幅突变性。
The shapes, maximum amplitude, stability and amplitude jump of main resonance are analyzed.
在此基础上，用多尺度法求得稳态下主共振的分岔方程。
A bifurcation equation of the steady state main resonance was obtained based on the multiple scales method.
分析了主共振的振型、最大振幅、稳定性和振幅突变性。
The maximum amplitude, stability and amplitude jump of main resonance describe the primary characters of a drive shaft.
得到了主共振温度响应曲线的两种拓扑结构及其变化趋势。
The temperature response curves of the system have two kinds of topological structures.
传动轴主共振的最大振幅、稳定性、振幅突变性是其主要特性。
The maximum amplitude, stability and amplitude jump of main resonance describe the primary characters of a drive shaft.
研究由弯斜拉桥桥面振动引起的斜拉索参数共振和主共振问题。
The parametric and primary resonances of stay cables excited by the vibration of deck of curved cable-stayed bridge are investigated.
应用多尺度法求得了系统主共振情况的一次近似解，并进行了数值计算。
By means of the method of the multiple scales the first approximate solution of the primary resonance of the system is acquired, and numerical calculation is carried out.
应用多尺度法求得了系统主共振的分岔方程和不同参数下的主共振响应曲线。
The bifurcation equation of the primary resonant of the system is acquired by the method of multiple scales.
研究了二阶线性系统在谐和与随机噪声联合作用下的主共振响应和稳定性问题。
The principal resonance of a second-order stochastic oscillator under combined harmonic and random parametric excitations is investigated.
得到了复合材料传动轴比钢、铝合金传动轴运动稳定性好、主共振的振幅小等结论。
Conclusions of that the motion stability of a fiber composite drive shaft is better and the main resonance amplitude is smaller than that of a drive shaft of steel or aluminum are produced.
对压板松动时大型汽轮发电机定子端部单根绕组的两自由度主共振问题进行了研究。
Two degree of freedom principal resonance of generator end winding is studied when the clamping plates are loose.
用平均法研究了含预紧弹性约束的单自由度系统在简谐激励下的主共振及其稳定性。
The primary resonance and its stability of a harmonically forced oscillator with a pair of symmetric setup elastic stops are studied in this paper by means of average approach.
当响应频率等于派生系统的固有频率时，将会出现主共振、超谐共振和组合共振现象；
When the response frequency is equal to the eigen-frequency of a derived system, harmonic resonance, super-harmonic resonance and combined harmonic resonance may occur.
本文研究在简谐激励力作用下二端面弹性转轴相对转动的主共振、超谐波共振和亚谐波共振。
The principal, ultraharmonic and subharmonic resonance of an elastic rotation shat with twin sides by a harmonic force is discussed, in this paper.
并进行了主共振、超谐波共振及组合共振的分析，从而进一步解释了激光育种中的频率现象。
Through analysis of primary resonance, superharmonic resonance and combination resonance, and therefore some frequency phenomena in laser breeding are explained.
可通过减小偏心距、降低主共振的阶数、加大传动轴及中间支点处的阻尼，使传动轴主共振不分岔。
The bifurcation of main resonance can be removed by reducing the eccentricity and the order of main resonance and increasing damping of the driving shaft and intermediate supports.
再次，利用多尺度法分析船舶在波浪中接近主共振、亚谐共振和超谐共振时的非线性横摇运动，并给出三种共振的近似解。
Moreover, the multiscale method was used to study the main, ultraharmonic and subharmonic resonances of nonlinear rolling in waves, and the approximate solutions of the three resonances were given.
针对板的主共振问题，主要讨论了板在热-机载荷作用下的主共振稳定性问题，求得系统主共振的近似解，并进行数值计算。
Aimed for the main resonance of plate, mainly discussed the main resonance stability in hot-machine load, Obtained the approximate solution of the main resonance system, and the numerical calculation.
艺术意境即一间审美场：主、客体三层面双向交互作用发生共振效应生成的四维空间形态。
Artistic mental sense, an aesthetic field, is a four-dimension space form generated by the resonant effect via three_layer, two_way interaction between the aesthetic subject and its, object.
研究了其基本参数共振和主参数共振两种情况。
Two types of resonance are studied, fundamental and principal parametric resonance.
以轴向基础窄带随机激励悬臂梁非线性动力学方程组为分析对象，采用多尺度法，获得了系统主参激共振的非线性调谐方程组。
The method of multiple scales was used to solve directly the nonlinear differential equations and to derive the nonlinear modulation equation for the principal parametric resonance.
给出主参数共振系统参数平面的分岔集和幅频响应方程的分岔图。
The bifurcation diagrams of the parameter plane and the response equation are obtained.
对串联共振型DC DC变换器主电路的构成原理，电路拓扑和存在的工作模式进行了详细的分析讨论。
A detailed analysis is made about the series resonant DC DC converter on such matters as the composition principle of the main circuit, the circuit topology and existing state sequence.
采取了二维有限元法模拟核磁共振成像（MRI）装置的主磁场。
The main magnetic field of Magnetic Resonace Imaging( MRI)device is simulated by using the finite element method.
并针对该频率区与曳引机主机额定转速———主振频率接近的特点，提出了防止电梯发生系统共振的措施。
This frequency range is proximate to main vibration frequency of the traction machine at rated speed, and, according to this, measures against elevator resonance are proposed.
一种磁共振扫描器(10)包括主磁体(12)、磁场梯度线圈(16)和一个或多个射频线圈(18)。
A magnetic resonance imaging scanner (10) includes a main magnet (12), magnetic field gradient coils (16), and one or more radio frequency coils (18).
一种磁共振扫描器(10)包括主磁体(12)、磁场梯度线圈(16)和一个或多个射频线圈(18)。
A magnetic resonance imaging scanner (10) includes a main magnet (12), magnetic field gradient coils (16), and one or more radio frequency coils (18).
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