查询词典 distributed parameter

After analyzing the impact of parameter on the prediction precision, a method is proposed to assess the parameter's search space.

本文分析了SVMs参数对模型预测精度的影响，并在此基础上提出了一种确定参数搜索空间的方法。

In addition, the simulation tests the robust performance of controller for parameter uncertainties, in which a variety of parameter perturbations are added in.

另外，通过在仿真中加入多种参数摄动的方法，检验控制器对参数不确定性的鲁棒性。

Firstly, the method of parameter variety by was tested, however, it is very complexity of computation. So, the method of parameter no-variety had been introduced in paper.

首先讨论了使用时变参数的卡尔曼滤波方法，分析了使用时变参数卡尔曼滤波的优缺点；为了提高计算的效率，本文提出了时不变参数的卡尔曼滤波算法来估计信号的时间延迟。

For drawing the parameter curve by point to point it orde to the parameter t's step length of increased make the progress range of the curve can not large than the length of one pels, otherwise the curve may step over one middle pels and skip one point that it should be on the curve.

要逐点地生成参数曲线，就要求参数t每次增加的步长要使曲线前进的幅度不得超过一个象素长度，否则有可能跨过一个中间象素而产生断点。

Moreover, the choices of the singular perturbation parameter are studied, and a new simple and convenient method to estimate the bound of the singular perturbation parameter is designed.

此外，本文还研究了奇异摄动小参数的选取，提出了一种新的简单易行判定稳定性界的方法。

A recognition method of discrete points on trimmed surface is presented, which is based on the plane domain of surface parameter. The approach changes the recognition from the complex 3D space to the simple parameter plane artfully.

针对目前常用商业CAD系统在复杂参数曲面有效离散方面所存在的不足，结合实际工程设计与应用方面的需要，提出了一种基于二维参数域的裁剪曲面有效离散点的识别方法。

In this chapter, three kinds of target recognition methods are performed, which are:①Target recognition method based on the description of polarization parameter plane. The echo polarization states of target are projected onto the polarization state plane described by the ellipticity ε and the tilt angle τ of the polarization ellipse, the change of parameter following ferquency becomes the chart. According to the changing trait of the chart, the multidimensional polarization feature space of target has been contructed. Furthermore, a series of polarization feature parameters used in designing the structure of target recognition device are extracted, and they are insensible to the posture of target.②Target recognition method based on the description of Poincare polarization sphere. The echo polarization states of target expressed by Stokes vector are projected onto the Poincare polarization sphere. The conception of polarization ferquency stability, which is used in describing the dynamic distribution characteristics of the target echo polarization states on Poincare polarization sphere, has been defined. A group of polarization feature parameters used in designing the structure of target recognition device are extracted, and they are insensible to the posture of target.③Target recognition method based on the description of frequency sensitivity. In accordance with the conception of the polarization state distance defined on Poincare polarization sphere, the frequency sensibility of the physical structure property of target has been investigated, the frequency distribution feature curves in PSD domain are obtained, and targets'features are extracted by means of the curve-fitting method with Least Square Criterion.

这章具体研究了基于三种极化散射特性描述的相应的目标识别方法：①基于极化参数平面描述的目标识别方法，将目标回波极化状态投影到以极化椭圆参数，即椭圆率角ε和倾角τ表征的极化状态平面上，参数随观测频率的变化就形成了图，根据图的变化特点构造了目标的多维极化特征空间，并提取了不敏感目标姿态变化的极化特征参数组来设计目标的识别器结构；②基于Poincare极化球面描述的目标识别方法，采用Stokes矢量表征目标回波的极化状态，并将其投影到描述极化状态的Poincare极化球面上，定义了极化频率稳定度的概念用以刻画目标回波极化状态在Poincare极化球面上的动态分布信息，提取了准方位不变性的目标极化特征，最后设计了目标的识别器结构；③基于频率敏感性描述的目标识别方法，通过在Poincare极化球面上所定义的极化状态距离的概念，研究的是复杂目标物理结构特性对探测信号频率的敏感程度问题，获得了在极化状态距离下的频率分布特性曲线，采用最小二乘估计曲线拟合方法，它既用于极化特征的降维，同时又直接将拟合参数作为目标的分类特征。

The parameter of this method is a reference to a pointer of the type CDocument which is used as output parameter of this method.

该方法的参数是一个指向类型的CDocument的指针是作为输出参数使用此方法的参考。

We designed several Dammann gratings by optimal program, and analyzed the design results. We also discussed the choice of the key parameter and the influence of design parameter and different polarized light wave to diffractive efficiency and uniformity of diffractive beams.

利用优化程序设计了多个光栅结构并对设计结果进行了分析，讨论了关键参数的选取及设计参数和光波偏振态的变化对分束效率和均匀性的影响。

Based on the study on how to set the initial population and operational parameter s of operators, a conclusion can be drawn that distribution of the initial population and the selection of operational parameter s of operators directly concerns global convergence and searching efficiency of genetic algorithm.

通过对遗传算法初始种群与操作参数设定问题的研究，认为初始种群的分布状态与算子操作参数的选取直接关系遗传算法的全局收敛性与搜索效率，对初始种群与各操作参数进行合理设定是应用遗传算法进行寻优计算的重要问题。

Bob Eckert has been chairman and chief executive of Mattel for eight years.

美泰董事长兼首席执行官鲍勃·埃克尔特在任已8年。

The outlook for honors and disgraces carries on and surpasses the traditional outlook for honors and disgraces theoretically, and carries on and develops the theory of construction of socialist mora...

社会主义荣辱观的提出在理论上是对传统荣辱观的一次继承和超越，是对社会主义道德建设理论的继承和发展，在实践上有利于形成良好的社会风尚。