查询词典 algorithms

A lot of simulations prove that the new algorithms have strong filtering capability for exponential decaying aperiodic component.

最常用的傅里叶算法虽有很强的滤除谐波分量的能力，但是算法本身不能滤除衰减的直流

The relationship between transient response and shape design variables is highly non-linear, and the behavior of feasible domains is often not good, which may cause convergence difficulties. In order to improve convergence speed of iteration process, some algorithms the feasible domains adjusting, the adaptive move limit, the approximate line search and the approximate reanalysis, are adopted.

采用基于Newmark积分的直接求导法计算瞬态响应灵敏度，在序列二次规划算法中采用了可行域调整、近似—维搜索、自适应运动极限等改进技术，提高求解效率和收敛稳定性，以解决结构动态响应与设计变量的关系复杂、高度非线性，优化可行区域的性态不良等问题。

ABSTRACT This paper presents results of online identification of hydrogenerators, a long-term running robust self-tuning regulator of generator excitation, governor power system stabilizer decoupled in multimachine systems, and an adaptive GPSS designed in frequency domain. 1. It presents a step-by-step zero cancellation method , accuracy weighted recursive least squares and approximate RLS algorithms, inferior limit of sampling time.

针对发电机励磁和调速系统建模与控制，针对多机电力系统的稳定性，本文综述了自适应控制理论及其在电力系统中应用的现状和发展方向后，在辨识、自适应控制结构和鲁棒性提高的措施上进行了研究，取得了水轮机调速系统现场辨识的成功，获得了长期稳定运行的鲁棒励磁自校正控制器、多机解耦的调速侧电力系统稳定器和频域设计的自适应GPSS。

The problem is NP-hard, so we want to find approximate algorithms to solve the problem.

由于这个问题是NP-hard的，因而我们转为寻找问题的近似算法。

By using approximation theory and least spuare algorithms, a new data-fusion formula of psychrometric coefficient A was presented.

利用函数逼近理论和最小二乘法，提出了干湿球系数A新的数据融合计算公式。

Finally a generalized fuzzy hyperbolic model is proposed, which is proven to be a universal approximator, and two identification algorithms are derived.

最后提出一种广义模糊双曲正切模型，并证明了此模型具有全局逼近性。

Moreover, we propose the conservatism compared theorem of sufficient condition of SISO Mamdani fuzzy system as universal approximator obtained by three different algorithms.

从输入输出数据中设计模糊系统是一个重要的问题，在各种控制、信号处理和通讯系统中得到了广泛的应用。

A new generalized fuzzy hyperbolic model is proposed, which can be seen as the generalization of common fuzzy hyperbolic model. The generalized fuzzy hyperbolic model is proven to be a universal approximator. Two identification algorithms are put forward to identify the model from input/out data.

通过对模糊双曲正切模型的改进，提出一种广义模糊双曲正切模型，证明了此模型可以以任意精度逼近紧集上的连续非线性函数，即此模型具有全局逼近性，并给出其辨识算法。

The face recognition algorithms based on SVD have low recognition accuracy due to the common essential defect which singular value vector of arbitrary two face images have the different basis spaces in general.

基于SVD的人脸识别算法具有共同的缺点，即不同人脸图像对应的奇异值向量所在的基空间不一致，从而造成识别率低下。

This paper proposes a new method of drawing and designing weighted arborescence, with emphasis on the well distribution and minimizing intercrossing of branches. The principles of two different algorithms of determining local region are designed and discussed.

对赋权树形图的布局与绘制实现方法进行研究，着重讨论在绘图时如何在尽可能少出现交叉的情况下，使得树形舒展而分布均匀问题，提出赋权树形的一种新绘制方法。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐