逼近法

对分层大地面上的瞬变电磁场，采用折线逼近法计算余弦变换得出Hz（t）瞬态曲线。

The Hz ( t ) transient curves on the stratified earth surface are obtained from cosine transform calculated by broken line approximation .

基于主导能量法和Pade逼近法的多变量系统的模型简化

A Model Reduction Method for Multivariable Systems Based on Technique of Dominant Energy and Pade Approximation

改善CCD视频信号测量精度的计算机处理方法（象素平均法，数字滤波法，数值逼近法和曲线拟合法）。

The computer processing methods for improving the measuring quality of CCD data .

一种AutoCAD中spline弦线逼近法

A chord approach method of spline in AutoCAD

Banach空间中拟压缩映射的迭代逼近法

Iterative Approximation of Fixed Point for Quasi-contractive Mapping in Banach Spaces

循环逐次逼近法ADC的数学研究与新设计

The mathematical research and new design on the recycle successive approximation to ADC

国际上，现有的非轴对称缠绕CAD／CAM软件都采用离散的三角片逼近法来设计和计算缠绕路径，设计出的路径容易产生打滑、架桥等现象；

Advanced filament winding machines and CAD / CAM software for filament winding are required for the design and production of non-axisymmetric parts .

本文将迭代逼近法的应用范围扩展到由PDE描述的非线性系统。

This dissertation extends the iteration technique to nonlinear PDEs .

通过研究其传动机理，依据杆组逼近法、借助于WorkingModel3D软件，确定了含有Ⅲ级组的双输出脉冲发生器中双摇杆的运动变化规律。

Through the research of the working principle , according to The Method of Bar - group Approach and Working Model 3D Software we made sure the motion law of two rockers .

勒让德（Legendre）多项式的Padé逼近法

Pad é method of approach of Legendre polynomial

把GPS水准方法分为3类：数值逼近法、重力法、综合法。

In this paper , the methods of GPS leveling are classified into three types : numerical approximation method , gravity method , and integrated method .

采用了封闭多边形矢量法和杆长逼近法相结合的综合分析方法对III级组进行了运动学分析。

The generalized analysis method to the III level of groups are carried on with the closed loop method and approximating method .

本文以空间积分原理为基础，以逐渐逼近法为图像重建的核心，探讨了可实现断层屏蔽的SPECT成像的途径。

Based on the spatial integral and approaching method , the slice collimator is proposed for SPECT imaging .

采用窗函数法、频率抽样法和切比雪夫最佳一致逼近法，通过调用Matlab信号处理工具箱中的函数设计低通数字滤波器。

By using MATLAB signal and using window method , frequency sampling and Chebyshev approximation the design of low pass digital filter in the toolbox have been processed .

基于Laguerre多项式逼近法的随机双势阱Duffing系统的分岔和混沌研究

Analysis of bifurcation and chaos in double-well Duffing system via Laguerre polynomial approximation

离散非线性系统Worst-Case辨识&小波逼近法

The worst case identification of discreet time nonlinear systems : a wavelet approximation approach

讨论了n次区间Ball曲线的边界的构成；同时通过讨论区间多项式的降阶，利用线性规划法及最佳一致逼近法，给出了区间Ball曲线的的降阶算法。

The boundary of interval Ball curves of degree n is discussed and two algorithms for the degree reduction of interval Ball curves are given by means of linear programming and best approximation respectively .

本文讨论MIMO离散系统的随机时变参数基于随机逼近法的辨识问题。

This paper presents new developments of parameter identification for MIMO discrete stochastic systems with random parameters . These algorithms are based on the stochastic approximation method .

滤波器设计的Pade逼近法

Pade approach method of filter design

文中的主要数值结果表明Chebyshev多项式逼近法是研究非线性随机参数系统动力学问题的一种有效方法。

Numerical results also show that the Chebyshev polynomial approximation is an effective approach in solving dynamical problems of nonlinear systems with random parameters .

平面3-RRR并联机器人运动分析的计算机模拟逼近法

Computer simulated approaching method for motion analysis of planar 3-RRR parallel robots

最佳逼近法在晶体频温曲线拟合和TCXO中的应用

Application of the Best Approximation Algorithms on Frequency-temperature Curve Fit and TCXO

数值结果表明Chebyshev正交多项式逼近法对于分析谐和激励和脉冲激励共同作用下的含有界随机参数系统的分岔现象也是有效的。

Both the numerical results of these two chapters show that the Chebyshev polynomial approximation is an effective method in the study of system with random parameter .

与目前普遍采用的折线逼近法相比较，NURBS模型表达参数较少，易于进行前处理，应用在预应力等效荷载、预应力损失等计算中具有较高的精度和效率。

Compared with Fold Line Approximation Model ( FLAM ), NURBS needs less parameters for pre-processor with higher accuracy in calculation of prestress equivalent load and loss of tendon force .

而本文介绍的Padé逼近法，可在无法写出网络函数解析表达式情况下，设计出能同时满足其特殊的幅度特性与相位特性的网络。

The Pad é approach method described hero can be used to de - sign network that approaches both special amplitude and phase responses , in the absense of analytical expression of network function .

采用Pade逼近法近似广域信号时间延迟，并写成状态空间形式，使系统变为不显含时延项的控制系统；

Pade approximation method is used to express time delay and state space model is established with the time delay considered .

利用半带滤波器的特性，把它作为第二级降采样滤波器，分别用Kaiser窗法和最佳一致逼近法设计了半带滤波器。

The half-band filter , as a second-level down-sampling filter , was designed by using Kaiser Windows method and the best uniform approximation method , respectively .

在某MTD雷达信号处理系统中，采用切比雪夫一致逼近法设计MTD滤波器，讨论其硬件实现方法。

In a MTD radar signal processing system , a MTD filter based on Chebyshev uniform approximation is designed , and its hardware implementing method is discussed .

将状态变量法与Pade逼近法相结合，给出了一种求解该复杂非线性系统的数值算法。

A high efficient computational algorithm for solving this complicated equations is developed by combining the state variable and the Pade approaching methods .

应用Laguerre正交多项式逼近法研究了含有随机参数的双势阱Duffing系统的分岔和混沌行为。

Laguerre polynomial approximation method is applied to study the period-doubling bifurcation and chaos behavior in double-well Duffing system with a random parameter subjected to harmonic excitation .