参数方程

The motor s physics process in the changing of magnetic store energy and mechanism and parameter calculation in the self inductance, mutual inductance, magnetic flux linkage and electromagnetism torque is discussed in such respect of multi return and electromagnetism torque theory.

从多电流互感回路理论出发，以电磁转矩这一机电耦合项为依据，讨论电机的磁场储能与机械能相互转换的物理过程、隐极电机的电流回路中自感和互感参数计算、磁链方程及电磁转矩计算

The mathematical formula which can clearly describe the transfer process of co...

然后研究了方程所涉及到的各个参数的确定方法，结合实际工程实践，用工程数学软件对各解析解作了形象的描述，进一步了解污染物在土壤中传输的过程和可能带来的后果。

Thus an algorithm to solve the vibration second-order Sylvester matrix equation with parameters' perturbation is presented.

提出了求解具有参数不确定的振动二阶Sylvester矩阵方程问题的算法。

And then, the change of elastoplastic matrix, parameters of material mechanics performance with temperature were considered, from thermal elastoplastic constitutive relation and applying the theory of thermal elastoplastic increment, the theoretical finite element equation was established.

考虑了弹塑性矩阵、材料的力学性能参数随温度变化的因素，从热弹塑性本构理论出发，应用热弹塑性增量理论建立了热弹塑性有限元方程。

The relationship between selecting range of controlled weighted factor and state matrix norm of discrete state equation is proposed when multi-step predictive selftuning control algorithm is adopted.

4提出了多步预测的自校正控制GPC算法控制加权因子的选择范围与离散状态方程状态矩阵范数之间的关系，给出了其它参数的选择方法，通过不同采样周期条件下仿真和实验研究与理论计算结果是一致。

This method was mainly built on the operator matrix's singular value decomposition in the first class of operator equations, and then the best regularization parameters were selected in accordance with the characteristics of singular value so as to identify filter function, thereby removing noise of the function.

该方法主要建立在第一类算子方程的算子矩阵进行奇异值分解的基础上，然后根据奇异值的特征选取最佳正则化参数确定滤子函数，从而达到对该类函数的噪声去除效果。

Based on the maximum principle,we construct the blowing-up lower solution by the relations of parameters and solution of the ordinary differential equation and then the blow-up properties are studied.We use the maximal principle to analyse the derivative profiles of the solution and get the lower bounds and upper bounds of blow-up rate through the complicated analysis technology and the inequality theory.

基于最大值原理的比较理论，通过一些特定的参数关系，利用相关常微分方程的解构造合适的爆破形式的下解，由此得到退化反应系统初边值问题的爆破解；然后，对爆破解的性质进行进一步的研究，利用极大值原理对解的导数特性进行了分析，给出了解的爆破速率的上、下界估计。

In the paper we use the method of perturbation to find the analytical solutions of St.

论文提出用参数展开的方法去找圣维南方程的分析解；对向定常流区推进的单向波问题给出了解的一级近似和二级近似的普遍表示式；在论文的末尾还讨论了这个方法的适用范围。

On that basis, the corresponding linerized model is built, and the dynamic properties are analyzed while the configuration or end-point load is greatly changed, the predictable equation of the built-in frequency is established by virtue of perturbation method for the application of variable parameter control in that case.

利用拉格朗日方法推导了双杆柔性机械手的动力学方程，在此基础上了建立相应的线性化模型，分析柔性机械手当位形和负载发生较大改变所表现出的的动力学特性，用摄动方法建立了固有振动频率的预示表达式，以应用于位形和负载有较大改变情形的变参数控制。

The control parameters are optimized by using the method of Constrained Steepest Descent with State Equations.

采用状态方程有约束最速下降法对控制系统控制参数进行优化，建立了直流电机位置控制系统性能优化的数学模型，结合具体的位置控制系统推导CSDSE优化方法，并给出优化程序的编制步骤。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。