• 材料非线性参数采用试验确定

    The triaxial test has been adopted to determine the nonlinear parameters.

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  • 建立了超小型旋翼机系统非线性参数模型

    A model for the nonlinear dynamics of a subminiature rotorcraft is established.

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  • 可以采用非线性参数估计方法反演地层渗透率

    Nonlinear parameter estimation approach can also be used to converse the formation permeability.

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  • 研究具有非线性参数非线性系统输出跟踪问题

    In this paper, the output tracking of the nonlinear system with nonlinear parameterization is considered.

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  • 估计结果表明样条函数非线性参数估计重要方法之一

    The estimation result show that spline function method is one of important methods for nonlinear parameter estimation.

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  • 根据磁流变阻尼器阻尼力特性试验结果,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.

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  • 研究具有非线性参数不确定性三角形系统自适应调节问题

    The problem of adaptive regulation of triangular systems with nonlinearly parameterized uncertainties is considered in this paper.

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  • 粒子算法操作简便容易实现且全局搜索功能强,适用非线性参数估计

    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.

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  • 结果表明,加载精神负荷后受试者HRV三个非线性参数不同程度的降低。

    The effects of mental load on HRV of pilots were analyzed with nonlinear dynamic analyzing methods .

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  • 基于区间分段思想,将极化曲线非线性参数辨识转化两个线性最小二乘辨识问题。

    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.

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  • 为此我们导出拟合函数表达式提出非线性参数统计模拟地震记录方法反演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.

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  • 研究一类非线性参数扰动满足范数有界条件多重时滞系统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.

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  • 方法有效地处理了含有状态向量非线性参数实现了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.

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  • 文中改进实数遗传算法用于测量数据的估计,得到较好的线性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.

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  • 为了提高液压伺服系统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估计

    In order to increase hydraulic servo's control precision, the article forecasts and estimates hydraulic servo's some misalignment parameter.

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  • 本文气泡液体非线性参数气泡浓度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.

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  • 一些非线性参数可显示正常人冠心病患者冠脉病变程度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.

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  • 演化计算不同科学领域得到了广泛的应用其中演化非线性参数估计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.

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  • 通过应用于非线性参数估计仿真计算表明了这种杂交算子有效性及其相对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.

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  • 作者针对一类具有非线性参数不确定性非线性系统研究带有稳定性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.

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  • 研究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松驰思想,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.

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  • 本文非线性参数分析出发考虑电机的饱和因素提出混合式步进电动机运行矩频特性实用计算方法

    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.

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  • 本文建立了航行船舶非线性参数激励摇运动方程,研究了当升沉固有频率接近横摇固有频率船舶稳定性

    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.

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  • 采用可变长度单摆力学模型对秋千振荡给出初等分析,采用微近似法导出了秋千的非线性参数共振解析进行了讨论。

    A variable length simple pendulum model is introduced, elementary analysis and perturbation analytic solution of nonlinear differential equation for parametric resonance are presented.

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  • 结果正常人非线性参数存在明显的昼夜变化,冠心病患者昼夜变化程度减低,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.

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  • 本文应用扩展卡尔曼滤波估计结构动态参数,文中提出一种简便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.

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  • 系统材料非线性光学特性测量中的应用进行研究,实验显示测量曲线理论拟合曲线吻合,所求得非线性参数报道值也较吻合。

    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.

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  • 某水面舰艇研究对象,利用径向函数神经网络算法和标况下的水池实验数据,建立基于航速航向角和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.

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  • 模型复杂非线性时(换句话说,线性方式参数变),或者当模型涉及多于三个不确定参数时,使用方法

    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.

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  • 所以复杂油气藏地质参数非线性动力学研究有着明显价值意义

    So, the nonlinear kinetics study of geological parameter of Complex Oil-Gas Pools is obvious value meaning.

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