查询词典 approximation

For a 3D system, formulae for a general polynomial controller applied to the normal form of a system and for the relvant stability index are derived. Thereby the amplitude approximation in terms of control gains of the controlled system is solved.

对于三维系统，研究了作用于标准型下系统的普适的多项式控制器设计以及相应的极限环稳定性指标的计算，建立了受控系统的极限环幅值与控制增益之间的近似解析关系。

The general orthogonal polynomial is adopted for model approximation of DPS and the predictive control of DPS is translated into the lumped one. Model algorithmic control is applied to deal with the lumped parameter system and a control law is given. The predictive controller of DPS is obtained by inverse transformation. The method and steps are discussed in detail.

该方法采用广义正交多项式对分布参数系统的模型进行逼近，将离散时间分布参数系统的预测控制问题转化为集中参数系统的预测控制问题，运用模型算法控制方法对集中参数系统进行预测控制，求出控制律，经反演变换得出分布参数系统的预测控制。

Based on homogeneous approximation, a robust control law is designed, which drives generalized coordinates of the closed loop system to the origin exponentially and generalized velocities to the origin asymptotically.

基于齐次展开的思想，给出了一种鲁棒控制器设计方法，使得闭环系统的广义位置坐标指数镇定，广义速度渐近镇定。

This document distance metric is an approximation of generalized edit distance,and it can be calculated in O（n2） time and can detect plagiarizing direction.

该文档距离是一种广义编辑距离的近似值，能够在O（n2）时间内计算，并能充分反映抄袭方向。

The approximation scheme of generalized inverse is suitable for some particular configurations of aircrafts.

广义逆逼近算子在飞机外形设计中具有实际的应用价值。

In the forth chapter, a necessary and sufficient condition of the approximation by the partial sum of the generalized Baskakov operators is discussed.

第四章给出广义Baskakov算子用其部分和来代替进行逼近的一个充分必要条件。

By the best approximation and the geometric interpretation of signal vectors in adaptive filters, the input noise variance is obtained with the information obtained from the traditional LMS algorithm. Then, based on γ-LMS algorithm, it can iteratively eliminate the input noise effects to obtain the bias in the Wiener solution and the true system coefficients.

根据自适应滤波器的最佳逼近原理和各信号矢量的几何关系，利用传统LMS算法获得的信息来估计输入噪声的功率，再通过γ-LMS算法在迭代过程中逐步修正维纳解，去除输入噪声的影响从而得到系统参数的真实估计。

Nature of Light, Geometrical Optics, and Gaussian Approximation, Wave Optics, Interference of Light, Coherence, Polarization of Light, Diffraction of Light.

光的性质、波动光学、几何光学及高斯近似、光的干涉、相干性、光的偏振、光的绕射、一些重要的应用实例。

Subsequently, an analysis of global approximation property of the model is performed with a learning algorithm of neural net devised.

再次，分析了模型的全局逼近性，设计了网络学习算法。

The quality of approximation is as good as polygonal boundary reduction, and it can process the data online in a constant buffer.

算法具有多边形约简算法相同的优良的近似质量，并可在固定数据缓冲区空间内在线运算。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。