查询词典 cellular approximation

The approximation keeps some important geometric features of the original curve such as monotonicity,convexity and G1 continuity.

逼近曲线保持了原始曲线的一些重要几何性质，如单调性，凹凸性，G1连续性。

Based on the supervisory control strategy presented by Wang Lixin in 1994 and the approximation capability of generalized multilinear fuzzy logic systems, a new adaptive fuzzy control scheme called model reference adaptive fuzzy control for M1MO systems is proposed in this paper.

针对一类不确定非线性系统，基于王立新1994年提出的监督控制方案并利用广义多线性模糊逻辑系统的逼近能力，提出了一种MIMO系统的模型参考自适应模糊控制器设计的新方案。

On the approximation that the ink is non-scattering and its refractive index is nearly equal to papers, we propose a spectral reflectance color prediction model for recto-verso halftone images by making use of the theory of the light propagation in paper with long- and short-distance model and net structure of multiple reflection in the recto-verso halftone images.

在假定油墨是非散射介质以及油墨的折射率与纸张的折射率近似相等的条件下，利用光在油墨与纸张中散射迁移路径长短不同的分程理论和多重内反射的网状结构分析方法，研究了光照射在双面印刷品上的光谱反射规律，建立了双面印刷品的光谱反射色彩预测模型。

It is proved that if the RungeKutta method and the linear multistep method are of order p, then the numerical Hopf bifurcation value is an approximation to the Hopf bifurcation value of the equation itself of the same order p.

证明了如果Runge-Kutta方法和线性多步法是p阶的，那么数值Hopf分支值以相同的阶数p逼近于方程本身的Hopf分支值。

This paper proved that the MAXIS algorithm is a 2-approximation to the SC of proper interval graphs with Bounded Degree and α≤ω. where α is the maximum degree of vertices of graph, n is the number of vertices of graph.

本文证明了对一类特殊的真区间图Δ≤(4n~(1/4)且α≤ω，其中Δ是图G中点的最大次，n是图G的点数，α是G的最大独立点集所包含的点数，ω是G的最大团所包含的点数，MAXIS算法是解决其染色和问题的2-近似算法。

By combining the {spdf} interacting boson model and the Eikonal approximation theory, we proposed an approach descibing the inelastic scattering in which the nucleus is excited from the ground state to a negative parity state by the medium energy hadron. In this scheme it is easy to determine the deformation parameter of the collective excited state with negative parity, the form factor and the scattering cross section.

通过把{spdf}相互作用玻色子模型和Eikonal近似理论相结合，我们提出了描述中能强子使核激发到负宇称态的非弹性散射的方案，给出了负宇称激发态的形变参数及散射的形状因子和散射截面。

When the distance between microstructures is larger than 1μm, the influence of space charge is a negligible quantity, and the approximation of metal formula could be used.

研究了介观尺度下半导体表面空间电荷层对微结构间静电作用力的影响，并同宏观尺寸下采用的金属近似公式进行了比较，揭示了半导体表面空间电荷对静电作用力的影响同微结构间距离、材料掺杂浓度等因素的关系。

It also acquires the lower and upper approximation regions of all clustering kernels based on rough set theory,and achieves the explicit object-dividing method by means of their neighborhood system.

依据对象聚类邻域确定聚类数量和聚类核，以及对象的粗糙近似划分，使得聚类具有密度自适应和孤点不敏感的特点，取样分析有效提高了算法效率。

In order to ensure the consistency of the closed-loop system performances, before the AFC is applied, a supervisory controller is used to drive initial tracking errors to a preset closed area, and then the AFC can drive the tracking errors of the closed-loop system to pre-specified neighborhood in the presence of unknown approximation errors of the fuzzy logic system.

为保证系统性能的一致性，在启动自适应模糊控制器前，采用监督控制将初始跟踪误差镇定到给定范围。自适应模糊控制器可在存在模糊逻辑系统逼近误差的情况下，使系统跟踪误差小于预先给定的任意常数。

In chapter III,we consider the wavelet method for the approximation of the nu-merical Bergman kernel.It is very clear that the Bergman kernel plays an importantrole in the complex analysis and elliptic equations.The Bergman kernel has a closedrelation with the Riemann mapping,Green function,Neumann kernel and the Szeg〓kernel etc.

第三章研究了数值Bergman核数值逼近的小波方法，Bergman核在复分析和椭圆型方程中占有重要地位，它与Riemann映射、Green函数、Neumann函数、核等有着密切联系。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。