discrete variation是什么意思

用法例句

Thus,the discrete crossover operator and discrete mutation operator were proposed to make the genetic operator search in discrete space.

结合离散变量优化问题与遗传算法的特点,提出离散交叉算子和离散变异算子,使遗传算子真正在离散空间中进行搜索。

This paper presents new existence results for singular discrete initial value problems.

对于奇异离散初值问题给出一个新的存在性结果,特别当非线性项出现奇异且可能变号时。

Network iterative optimization of virtual n-dimensional discrete variables;

拟n维离散变量网格迭代优化方法

Study on discrete variables optimization design for heliocentric-type reducer based on simulated annealing algorithm;

基于SA算法的行星齿轮减速器离散变量优化设计

Superficial talking on optimum structure design of discrete variable with improving method;

浅谈离散变量改进算法的结构优化设计

How to determine discrete variables in structural optimization by neutral networks and genetic algorithm;

遗传算法和神经网络组合求解离散变量结构优化问题

Chaotic genetic algorithm for structural optimization with discrete variables;

离散变量结构优化设计的混沌遗传算法

Engineering structure s discrete variables optimum desig nunder multiple loading conditions;

工程结构的多工况离散变量优化设计

This paper studied some technical problems arising during the soft starting of three-phase asynchronous motors with heavy loads,which was achieved by means of discrete variable frequency.

针对采用离散变频方式实现三相异步电动机重载软起动过程的一些技术问题进行了分析和研究。

Based on characteristics of discrete variable frequency soft starting, a novel speed measuring method using residual voltage after AC dump was proposed, and its counting formula, analysis of errors were presented.

针对离散变频技术调压调频的特点,提出了基于电动机失电残余电压的测速方法,推导出了转速计算公式,并进行了误差分析。

To solve the key problem of soft starting based on discrete variable frequency,the influence of different trigger-ing modes on the phase of first-harmonic of generated voltage was investigated and the selection of frequency steps and the switching process were analyzed.

针对离散变频软起动方法中的关键问题,研究了不同触发方式对分频电压基波相位的影响,并分析了各离散频段的选取及切换过程。

A Upper and Lower Solution Method for Singular Discrete Initial Value Problems;

奇异离散初值问题的一个上下解方法

The Design of Guaranteed Cost Control for Uncertain Discrete-Time Singular Systems with Time-Delay

离散时滞奇异系统的保性能控制设计

Robust Control and Filtering for Discrete Singular Delay System

离散奇异时滞系统的鲁棒控制与滤波

Singular LQ Sub-optimal Control Problem for a Class of Discrete-time Singular Systems with Time-delay

一类离散奇异时滞系统的奇异二次指标近似最优控制问题

Robust H_∞ Control of Uncertain Discrete Singular Systems with Time-Varying Delays;

不确定离散奇异时变时滞系统的鲁棒H∞控制

Boundary Value Problems of Nonlinear Singular High-order Continuous and Discrete Equations;

奇异非线性高阶连续与离散方程边值问题

Guaranteed cost and H_∞ Control of uncertain discrete singular time-delay systems;

不确定离散奇异时滞系统的保性能和H_∞控制

Design of Obesrver with Unknown Inputs for Discrete Singular Syetems;

含未知输入的离散奇异系统的观测器设计

Generalized Quadratic Stabilization of Lipschitz Discrete Nonlinear Singular Systems

李普希兹离散非线性奇异系统的广义二次镇定

Watermarking Algorithm for Digital Image Based on DCT and SVD

一种基于离散余弦变换和奇异值分解的数字水印算法

The Global Behavior of Second Order Discrete Difference Scheme for a Partial Integro-differential Equation with a Weakly Singular Kernel;

一类带弱奇异核偏积分微分方程二阶差分离散格式的长时间估计

Robust Stabilization and H_∞ Control of a Class of Uncertain Discrete Singular Systems with Time-Varying Delays;

一类不确定离散奇异时滞系统的鲁棒镇定与H_∞控制

Delay-dependent Guaranteed Cost Control for Uncertain Discrete-Time Singular Systems with Time-Delay;

不确定离散奇异时滞系统的时滞相关保性能控制

Fully Discrete of Spectral Collocation Method for a Partial Integral-differential Equation with a Weakly Singularity Kernel;

一类带弱奇异核偏积分微分方程谱配置方法全离散

A Second Order Fully Discrete Difference Scheme for a Partial Integro-differential Equation with a Weakly Singular Kernel;

一类带弱奇异核偏积分微分方程二阶差分全离散格式

Weighted L_2 Error Estimation for Semidiscrete Solution of a Class of Semilinear Parabolic Problems with Singularities;

一类奇异半线性抛物方程半离散解的加权L_2模误差估计

Impulsive Controller Design of Discrete-time Singular Networked System with Packet Dropout

具有丢包的离散奇异网络系统的脉冲控制器设计

Robust Stability for a Class of Singular Systems with Discrete and Distributed Delays

一类含离散与分布时滞的奇异系统的鲁棒稳定性