rational approximation
英 [ˈræʃnəl əˌprɒksɪˈmeɪʃn]
美 [ˈræʃnəl əˌprɑːksɪˈmeɪʃn]
网络 有理近似; 有理式近似; 逼近法
双语例句
- Stability and identification for rational approximation of foundation frequency response: continuous-time lumped-parameter models
基础频响有理近似的稳定性和识别：连续时间的集中参数模型 - In order to accomplish the signal integrity analysis in the time-domain, it is necessary to construct a rational approximation based on these sampled data.
基于这些采样值通过有理逼近构造网络函数宏模型，才能在时域中完成信号完整性分析。 - This paper describes an excellent algorithm-the vector-fitting algorithm to realize the rational approximation of the multiport network functions.
本文采用向量拟合法进行多端口网络函数的有理逼近，实现了宽频率范围高阶有理函数的稳定逼近； - On Pointwise Estimate for a Class of M ü ntz Rational Approximation
关于一类Müntz有理逼近的点态估计 - As a special type of rational approximation, approximation by reciprocals of polynomials has its own unique significance in both theories and application.
倒数逼近作为有理逼近的一种特殊形式，无论在理论上还是在实践中都有着重要的意义.倒数逼近与多项式逼近有本质性的区别，对它的研究有相当大的难度。 - Note on rational approximation with constraint
关于具有约束的有理逼近的一个注记 - Wavelet filter plays a key role in simulating the implementation of VLSI wavelet transform. Pad é approximation is an effective rational approximation.
小波滤波器在模拟VLSI小波变换的实现中起着关键的作用，Padé逼近是一种有效的有理逼近。 - A Novel Approach to Rational Approximation of Network Functions Based on Sampled Data
用采样数据进行网络函数有理逼近的一种有效方法 - In this paper definition of containing order rough set ( CORS) methodology and other concerned notations are introduced, method of data analysis and rules generation are formalized. Moreover a more rational approximation quality measure and four principles of generating rules are provided.
本文给出了含序粗集方法（CORS）的定义、数据分析以及规则生成方法，并提出了一种更加合理的质量近似公式以及生成规则的四条原则。 - Rational Approximation of the Network Function by Vector Fitting Algorithm
网络函数有理逼近的向量拟合法 - The dispersion relations of transverse elastic wave in both infinite and semi-infinite quasiperiodic superlattice is discussed by the rational approximation, and the dynamical elastic Gree's function for a semi-infinite superlattice with quasiperiodic primary cell is obtained and used to calculate the spectral density of thermal fluctuations.
本文计算了准周期原胞超晶格中横弹性波的体和面模式的色散关系，导出了用传输矩阵表述的动力学格林函数，并用以计算了热涨落的谱密度。 - It can realize the rational approximation with higher order and wider frequency range steadily.
该文介绍了网络函数有理逼近的向量拟合法，该法可以对多端口网络进行高阶宽频的稳定逼近。 - Realization of Optimizing Both Parameters and Structure in Model Building Using Rational Approximation
有理逼近法建模的参数与结构最优化的实现 - The research on a new uniformly rational approximation of a class of functions
对一类函数的一致有理逼近的研究 - Analysis and Research about the Model of the Rational Approximation of Regression Function
回归函数的有理逼近模型分析与研究 - According to the formula of rectangular coordinate in the plane of Gauss-Kr ü ger projection, the authors designed a calculation program suitable for the CASIO fx 4800P calculator, put forward the steps and method of inversing of geographic coordinate by using rational approximation.
根据高斯克吕格投影平面直角坐标X，Y的公式，设计了适用于Casiofx4800P计算器的程序，提出了利用正算程序采用有理逼近法反解地理坐标φ，λ的步骤和方法。 - This paper presents a stable algorithm to obtain the rational approximation from a set of sampled data by the use of bilinear transformation of the complex frequency.
本文通过复频率的双线性变换提出了获得稳定有理逼近的一个新方法，可有效克服这一困难。 - A Method for Rational Approximation of Offset Curves
等距曲线有理逼近的一种方法 - Novel method for structural dynamic reanalysis based on rational approximation and eigen-sensitivity
基于有理逼近和灵敏度分析的结构动力重分析方法 - In this paper, the unified CORDIC algorithm is put forward by the improvement of iterative sequence and the presence of rational approximation.
该文通过迭代次序的改进和有理近似的引入，提出了改进的CORDIC钟法。 - The model of nonlinear rational approximation for geometric correction of remote-sensing image
遥感图像几何校正的非线性有理逼近模型 - Compared with the rational approximation algorithm, our algorithm is more simple and efficient.
相比有理逼近算法，该算法比较简洁有效。 - For large modification in design variable, the rational approximation of a vector-value function is an efficient method for structural dynamic reanalysis.
对结构参数大修改的动力重分析，向量值有理逼近是一种有效方法。 - Rational Approximation Method in Image Reconstructions
图象重建中的有理逼近方法 - Matrix Valued Rational Approximation and Applications in Control Theory
矩阵有理逼近及其在控制论中应用 - Using bilinear transform theory and "second generation" SI technique, two multiple-loop feedback ( MLF) SI filter structures are presented to synthesize the obtained rational approximation to wavelet bases ( RAWB). Also, the parameters calculation formulas are deduced mathematically.
利用双线性变换理论和第二代开关电流技术，构造出两种多回路反馈开关电流滤波器结构来综合所获得的小波有理逼近函数，并推导出参数求解公式。 - Therefore, the best average of the provisions proposed boundary rational approximation, can reduce the number of times, and is the best approximation. Finally, the use of rational approximations to solve the two point boundary value.
因此提出了规定边值的最佳平均有理逼近，可以降低次数，并且是最佳的逼近.最后，运用有理逼近来解决两点边值问题。 - With application of the vector valued rational approximation to structural dynamic reanalysis based substructure high-order sensitivity synthesis, the convergence scope of truncated Taylor Expansion is expanded. It can also be used to efficiently handle reanalysis of structures with large modifications.
将向量值函数有理逼近应用到基于子结构高阶灵敏度综合的结构动力重分析方法，提高了计算精度，扩大了收敛范围，适用于结构大修改时的动力重分析问题。 - Rational spline, as a family member of spline functions, integrates advantages of spline function and rational approximation, and is more flexible and more general.
作为样条函数重要组成部分的有理样条函数，更是兼顾了样条、有理逼近的优点，且使用灵活，更具有一般性。 - As the combination of the polynomial spline function and the rational approximation, the rational spline interpolation is a powerful tool for shape preserving and localization.
作为多项式样条函数和有理逼近的结合的有理样条插值方法是一种重要的插值研究工具，它在插值的保形性以及局部性等方面都有着优良的表现。