The periodic solution can be bifurcated from equilibrium point with the variation of parameters.
系统随着参数的变化，从平衡点分岔出周期解。
The variation of parameters before and after multiply transformation on original sequence is studied.
研究了该估计方法下对原始序列进行数乘变换后参数的变化特征。
In this paper, the methods of variation of parameters for salving the Vacco dynamical equations are given.
本文使用全微分法和常数变易法，从不同角度给出伯努利方程通解的公式。
And the strong robustness to both variation of parameters and load torque disturbance can be achieved by using the proposed method.
对电机参数摄动及负载扰动具有更强的鲁棒稳定性。
The characteristics of rolling layers can be described by the variation of parameters within the layer and the difference of parameters between the upper surface and bottom surface.
这种渐变模型下的层面特性由碾压层内参数渐变特性及上、下表面参数的差异来描述。
The influence of the isolation systems on the response of the isolation structure is studied under the variation of parameters, such as isolator yield force and isolation time period.
以一实际工程为例，分析了竖向不规则隔震结构的地震反应特点。
Some conclusions from qualitative analysis have been obtained by comparing the results with variation of parameters for soil bodies and slopes. It will be helpful to the engineering practice.
对于支挡设计中滑裂面角度，通过对多种土体参数和边坡参数变化结果的对比分析得出一些定性分析的有用结论，相信会对指导工程实践有所帮助。
This paper probes the features of the effect on the external stores jam flutter characteristics due to the variation of parameters of vibration frequency, flutter freedom and generalized mass.
探讨了由于振动频率、颤振自由度、广义质量等参数的变化对机翼—外挂干扰颤振特性影响的一些特点。
Combining the qualitative knowledge and quantitative mathematical information of system, the approach provides good control over the nonlinear time varying system with wide variation of parameters.
该方法充分结合系统的定性知识和定量数学描述信息，实现了参数大范围变化时变系统的良好控制。
Emphasizes the variation of peak load regulating with ambient temperature, the design of terminal heat radiators, and the design operating parameters of geothermal heat exchangers in indirect systems.
重点分析了间接式地热供热系统调峰负荷随环境温度的变化，以及所受末端散热器设计、地热水与循环水换热器设计运行参数的影响。
A tracking estimation method of network equivalent parameters of facing nodes is researched with the variation of operation point.
该文研究了面向节点，随运行工况变动跟踪估计电网等值参数的方法。
In the process of tunnel fire throttling, the variation time sequence of various physical parameters is the bases for accurately modeling the unsteady fire process and fire fighting decision-making.
巷道火灾节流过程中各物理参数变化时序是正确模拟非稳态火灾过程和救灾决策的基础。
Simulation results show that the system has better control performance and estimation effect, but the influence of parameters variation on speed estimation error is evident.
仿真结果表明该系统有较好的控制性能和辨识效果，但参数变化对速度辨识误差有明显的影响。
In general, the variation of structure parameters has more effect on the mean values of mode than those of modal frequencies and modal damping ratios.
第一阶模态振型相对均值系统的变化很小。一般地，结构参数的随机变异对模态振型均值的影响大于对模态频率、模态阻尼比均值的影响。
Since a manual variation of the system parameters is enormously complex and only conditionally successful, a computer-aided method is suggested for the improvement of the system performance.
由于用手动的方式改变系统参数非常麻烦，而且仅能有限地获得成功，因此推荐采用计算机辅助的方法改变系统的性能。
The basic rheological properties of ASP system and the variation rules of rheological parameters in cores along the direction of percolation flow are studied.
研究了碱表面活性剂聚合物(简称asp)体系的基本流变性以及流变参数在岩心中沿渗流方向的变化规律。
An analysis is thus given to the effects of independent variation and simultaneous variation of structural parameters on the seismic dynamic response of frame shear structure.
分析结构参数单独变异，以及同时变异对框剪结构地震响应的影响。
It is an important problem in reservoir estimation and oil gas exploration and development to predict lateral variation of reservoir parameters from seismic data and well log.
用地震资料和少量测井资料预测储层参数的横向变化，是储层评价和油气勘探开发的重要研究课题。
The variation of lateral displacement affects extremely the geometry and mechanics parameters in contact zone.
横移量的变化将极大地影响接触斑上的几何参数和力学参数。
The instance proves that this methods can calculate out the variation tendency of the parameters accurately in some time, and can be used in discerning bottom well operating modes.
实例证明，用该方法能较准确的计算出一段时间内某钻进参数的变化趋势，可以用于井内工况识别。
Spatial variation pattern of water movement parameters in unsaturated soil is the base of parameter estimation in a large area.
非饱和土壤水分运动参数的空间变异规律是大区域参数估计的基础。
The principle and the inherent demerits of tuned AC filter are discussed, the detuning due to variation of filter parameters is the main cause of deterioration of filtering performance.
论述了交流调谐滤波器的工作原理和固有缺点，说明滤波器参数变化所引起的失谐是导致滤波性能恶化的主要原因。
The controller thus designed is quite simple in structure and insensitive to the variation of system parameters .
所设计的系统具有结构简单、易于实现和对扰动及参数变化灵敏度较低的优点。
This method does not need to set up a new mathematical model and has a good suitability to the variation of external parameters.
该方法不需要建立新的数学模型，对外部参数的变化具有良好的适应性。
To analyze the variation of the parameters of the soil, the mechanical model and numerical method of the explosion compacting the cushion and soil are established.
为了分析爆炸挤压后土体参数的变化规律，建立了爆炸挤压垫层和粘土的力学模型及数值方法。
So rock resistivity dispersion has a bearing on the variation of the parameters of Archie equation.
因此，岩石电阻率频散性影响着阿尔奇参数的变化。
So rock resistivity dispersion has a bearing on the variation of the parameters of Archie equation.
因此，岩石电阻率频散性影响着阿尔奇参数的变化。
应用推荐