材料的非线性参数采用三轴试验确定。
The triaxial test has been adopted to determine the nonlinear parameters.
建立了超小型旋翼机系统的非线性参数化模型。
A model for the nonlinear dynamics of a subminiature rotorcraft is established.
可以采用非线性参数估计的方法反演地层的渗透率;
Nonlinear parameter estimation approach can also be used to converse the formation permeability.
研究具有非线性参数化的非线性系统的输出跟踪问题。
In this paper, the output tracking of the nonlinear system with nonlinear parameterization is considered.
估计结果表明,样条函数法是非线性参数估计的重要方法之一。
The estimation result show that spline function method is one of important methods for nonlinear parameter estimation.
根据磁流变阻尼器阻尼力特性的试验结果,建立了非线性参数模型。
A nonlinear parameter model is proposed to describe the dynamic performance of a magnetorheological (MR) damper according to its experiment results.
研究了具有非线性参数化不确定性的三角形系统的自适应调节问题。
The problem of adaptive regulation of triangular systems with nonlinearly parameterized uncertainties is considered in this paper.
粒子群算法操作简便、容易实现且全局搜索功能较强,适用于非线性参数估计。
Considering that the particle swarm optimization (PSO) algorithm is quite simple and easy to implement, it was used to estimate the nonlinear model parameters in this paper.
结果表明,加载精神负荷后受试者的HRV的三个非线性参数都有不同程度的降低。
The effects of mental load on HRV of pilots were analyzed with nonlinear dynamic analyzing methods .
基于区间分段思想,将极化曲线非线性参数辨识转化为两个线性最小二乘辨识子问题。
The nonlinear parameter identification of fuel cell polarization curve was converted into two sub-problems of linear least square identification based on interval segmentation technique.
为此我们导出了拟合函数表达式,提出用非线性参数统计模拟地震记录的方法反演q值。
Hence we derive the expression of fitting function and propose a new Q-value inversion method using non - linear parameter statistical modeling of seismic records.
研究一类非线性参数扰动满足范数有界条件时多重时滞系统的鲁棒稳定性及其分散鲁棒控制。
The problems of robust stability and decentralized robust control for a class of multiple delay systems with nonlinear parameter perturbations which satisfy the norm-bounded conditions are dealt with.
该方法有效地处理了含有状态向量的非线性参数化项,实现了该系统对目标轨线的跟踪问题。
The approach effectively deals with the nonlinearly parameterized term with states vector, and achieves tracking problem of the system.
文中还将改进的实数遗传算法用于测量数据的估计中,得到了较好的线性和非线性参数估计结果。
The new algorithm is also used in parameter estimate, and the results of linear estimate and nonlinear estimate all show the effective of the improved algorithm.
为了提高液压伺服系统的控制精度,文章对液压伺服系统中的一些非线性参数进行了预测与估计。
In order to increase hydraulic servo's control precision, the article forecasts and estimates hydraulic servo's some misalignment parameter.
本文对含气泡液体的非线性参数与气泡浓度的相互关系进行了实验测量,测量结果与理论预期一致。
The experiment to verify the relation between the nonlinearity parameter of liquid containing bubbles and bubbles concentration is described.
一些非线性参数可显示正常人、冠心病患者冠脉病变程度及糖尿病伴植物神经病变患者之间的差异。
The non-linear indices among normal, single-vessel, multi-vessel coronary artery disease patients, and diabetic patients showed markedly difference.
演化计算在不同的科学领域得到了广泛的应用,其中演化非线性参数估计是演化计算的应用方向之一。
Evolutionary computation has found vast application to many science fields, of which evolutionary non-linear parameter evaluation is one direction.
通过应用于非线性参数估计的仿真计算,表明了这种杂交算子的有效性及其相对于普通杂交算子的优点。
The operator was applied to simulating parameter estimation of nonlinear system, and the resulted showed its validity and its superiority over a general crossover operator.
作者针对一类具有非线性参数不确定性的非线性递阶系统,研究了带有稳定性的几乎干扰解耦问题的鲁棒情形。
The uncertain version of almost disturbance decoupling problem with stability is defined and investigated for a class of nonlinear cascaded like systems with nonlinear parameter uncertainty.
研究了非线性参数系统模型的识别问题,通过引入求解线性方程组的松驰法思想,构造了一类新的迭代识别算法。
A nonlinear system parameters identification problem is investigated in this paper by introducing a relaxation method used for solving the linear equations of the system.
本文从非线性参数的分析出发,考虑电机的磁饱和因素,而提出一种混合式步进电动机运行矩频特性的实用计算方法。
The paper presents a practical calculating method for running torque-frequency characteristics of a hybrid stepping motor, considering magnetic saturation and analyzing the nonlinear parameters.
本文建立了在纵浪上航行船舶的非线性参数激励横摇运动方程,研究了当升沉固有频率接近横摇固有频率时船舶的稳定性。
A nonlinear parametric excitation equation is obtained for ships in longitudinal waves, and the dynamic stability is analyzed when the natural frequency of heave and roll are approximately equal.
采用可变长度单摆的力学模型对秋千振荡给出初等分析,采用微扰近似法导出了秋千的非线性参数共振解析解,并进行了讨论。
A variable length simple pendulum model is introduced, elementary analysis and perturbation analytic solution of nonlinear differential equation for parametric resonance are presented.
结果正常人非线性参数中存在明显的昼夜变化,冠心病患者昼夜变化程度减低,而糖尿病伴植物神经性病变患者昼夜变化规律消失;
Results The non-linear indices in healthy control had obvious day-to-night change, while the change in coronary artery disease patients was deceased and disappeared in diabetics.
本文应用扩展的卡尔曼滤波估计结构动态参数,文中提出一种简便的减缩变量卡尔曼游波方法,采用等效线性化原理识别结构的非线性参数。
A reduced Kalman filter method for estimating the dynamic parameters of structures is presented in the paper. The results of calculation and test show that this method is effective.
对该系统在材料高阶非线性光学特性测量中的应用进行了研究,实验显示测量曲线与理论拟合曲线吻合较好,所求得非线性参数值与报道值也较吻合。
The experiments on measuring high order optical nonlinearities of materials are presented, the results give good Z scan curve, and are in good agreement with reported value.
以某水面舰艇为研究对象,利用径向基函数神经网络算法和标况下的水池实验数据,建立了基于航速、航向角和海情自适应变化的船舶横向运动非线性参数模型。
An intelligent model for a ship's horizontal motion, which can self-adapt with navigating speed, ocean condition and course, was established based on the Radial Basis Function (RBF) neural network.
当模型复杂且非线性时(换句话说,在线性方式下参数不共变),或者当模型涉及多于两三个不确定参数时,使用该方法。
The method is used when the model is complex and nonlinear (that is, parameters do not co-vary in a linear manner), or when the model involves more than just two or three uncertain parameters.
所以,对复杂油气藏地质参数的非线性动力学研究有着明显的价值意义。
So, the nonlinear kinetics study of geological parameter of Complex Oil-Gas Pools is obvious value meaning.
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