discrete approximation
英 [dɪˈskriːt əˌprɒksɪˈmeɪʃn]
美 [dɪˈskriːt əˌprɑːksɪˈmeɪʃn]
网络 离散逼近
双语例句
- This paper presents an overview of discrete and continuous approximation models of the distribution network designing, as well as the models strong points and shortcomings.
对分销网络设计的离散模型和连续近似模型进行比较，指出两者的优缺点及它们之间的互补关系。 - In this article, the Discrete Dipole Approximation ( DDA) was used to calculate the extinction spectra of the gold and silver nanoparticles with the shape of sphere and cylinder.
本文采用离散偶极子近似理论，研究金、银两种金属的球形和棒状纳米粒子的消光光谱。 - Fast Discrete Fourier Transform Algorithm Using High Order Approximation to Kernel Function
一种基于高阶近似核DFT的快速实现算法 - Analysis of super focusing effect in tapered metal nano-structure with discrete dipole approximation method
采用离散偶极子近似（DDA）方法研究渐变锥形金属纳米结构的超聚焦效应 - We investigate the scattering properties of periodic arrays of nanoholes in thin gold films by using the method of discrete dipole approximation ( DDA).
利用离散偶极近似的方法（DDA），对具有周期排列纳米孔金薄膜的散射光学性质进行了研究。 - The main idea is to discretize the model on time and state space, then the numerical solution of discrete HJB equation is used as approximation of the continuous HJB equation.
由于此方程的解析解较难得到，我们将采用近似方法，将模型在时间和状态空间上分别离散化，将离散最优控制问题的解作为连续模型的近似。 - The discrete wavelet transform decomposes a discrete time signal into an approximation sequence and a detail sequence at each level of resolution.
离散子波变换将离散时间信号分解为一系列分辨率下的离散逼近和离散细节。 - A pseudo discrete state approximation is developed. The multi photon ionization rates and the high harmonics of a hydrogen in the laser fields are computed by using this approach.
建立了激光与原子相互作用的伪分立态模型，并用此模型计算了激光场中H原子的多光子电离速率和高次谐波。 - The Error Estimates for Fully Discrete Galerkin Approximation for Time-dependent Evolution Equations
依赖时间的发展方程全离散Galerkin解的误差估计 - Both continuous paraxial approximation formula and two order discrete paraxial approximation formula are developed for one way wave motion transmitting apparently along normal direction based on kinematics model and local polynomial interpolation function.
基于单向波动法向透射的一般运动学模型和局部多项式插值函数，推导建立了连续形和2阶离散形法向透射傍轴近似公式。 - An adaptive identification method for estimating parameters in one-dimensional and two-dimensional discrete models, with orthogonal matrix transformation based on least square approximation is presented. The computer simulations show the method is effective.
给出了一种基于最小二乘的Householfor正变矩阵变换方法求解一维及二维离散模型参数自适应辨识算法，计算机数字仿真表明了该方法的正确性和实用性。 - Laguerre-Fourier Fully Discrete Spectral Approximation of a Semilinear Parabolic Equation
一类半线性抛物方程的Laguerre-Fourier全离散谱逼近 - In this paper, a discrete approximation scheme based on block pulse operator is given.
本文给出了一种基于块脉冲算子的离散逼近格式。 - Based on the radiative transport theory, we discuss some methods to solve the radiative transport equation and solve the radiative transport equation of light passing into a plane-parallel discrete random medium by the method of first-order multiple scattering approximation;
基于辐射输运理论，我们介绍了几种解决辐射输运方程的方法，利用一级多次散射近似研究了平行平面离散随机介质的传输问题； - A Kind of Modified Discrete Interpolating Operators of Exponential Type and its Degree of Approximation in L_p (& ∞,∞) Spaces
一类修正离散指数型线性算子及其在LP（&∞，∞）中的逼近阶 - Application of Discrete Approximation in Optimal Stopping Theory
最优停止理论中离散化方法的应用 - The calculated air external dose rate conversion factors and air absorbed dose rate are in agreement with those presented in related literatures, obtained by nomogram method and discrete point approximation method.
计算出的空气外照射剂量转换因子和空气吸收剂量率与有关文献给出的值或图解法、离散点近似法的计算结果相当一致。 - A strong discrete maximum principle of finite element approximation and convergence of the Schwarz method
有限元逼近的离散强极值原理与Schwarz算法的收敛性 - The discrete time finite element approximation is suggested, and its stability is proved.
提出一类全离散有限元逼近格式，并证明了格式的稳定性。 - Geometric Properties and Characters for Discrete L_1 Linear Approximation
离散L1线性逼近解的几何性质和特征 - A New Descent Algorithm for Discrete L_1 Linear Approximation
离散L1逼近的一个新的下降算法 - We analytically study soliton excitations in a diatomic chain with different masses and alternating force constants between the nearest neighbors by the means of multiple scales plus quasi discrete approximation method.
利用多重尺度和准离散近似法研究了双原子链（相邻两原子质量不同，作用力常数交替变化）中的孤子激发。 - The discrete probability distributions of urn models are developed to construct approximation schemes which share many of the shape preserving characteristics of Bernstein polynomial.
Urn模型的离散概率分布被用于构造逼近格式，具有Bernstein多项式的许多特性。 - The Time Discrete Finite Element Approximation and its Analysis for the Three dimensional Nonlinear Hyperbolic Equation in a Time Dependent Domain
非线性双曲型方程动边界问题的全离散有限元格式及数值分析 - The discrete subgroup approximation in Monte Carlo simulations
MonteCarlo模拟中的分立子群近似 - Density evolution theory of LDPC codes is studied, including the continuous density evolution, discrete density evolution and Gaussian approximation.
研究了LDPC码的密度进化理论，包括连续密度进化、离散密度进化及高斯近似。 - The calculated spectra by the Mie theory are compared with the experimental results. For those nonspherical particles, we introduced a numerical method named discrete dipole approximation ( DDA).
对于非球形颗粒，详细介绍了一种数值计算方法一离散偶极近似方法（DDA），给出了三角形银纳米颗粒的DDA计算谱。 - After analyzing the arrival condition, the existence condition and stabilization of sliding mode in the variable structure problem of discrete time system. ( 3) The design of approximation law for the discrete-time variable structure sliding mode control systems is studied.
给出了离散时间系统滑模变结构控制的有关概念，分析了离散时间系统滑动模态的到达条件、存在条件和稳定性问题。 - The proposed method combines derivative estimation with classical differential geometry theory, and discretizes the geometric properties of the parametrized differential curve based on the definitions of the discrete derivatives. Then, the geometric properties are estimated from discrete curves by using the discrete approximation.
该方法将导数估算与经典微分几何理论相结合，通过离散导数的定义将普通参数化曲线的几何特性离散化，并以此估算出离散曲线的几何特性。 - The sufficient convergence condition of the algorithm for continuous linear system is analyzed by employing the operational matrices of integration and product of orthogonal polynomials. And the H ∞ control design method of uncertain discrete system is used to address the approximation error introduced by orthogonal polynomials.
利用正交多项式的积分、乘积运算矩阵分析了连续线性系统的基于正交多项式迭代学习算法收敛的充分条件，运用不确定离散系统的H∞设计方法来处理因采用正交多项式逼近方法所带来的逼近误差。