1) discretization
[英][dis,kri:ti'zeiʃən] [美][dɪ,skritɪ'zeʃən]
离散化
1.
Reactor network synthesis by differential model equations discretization method;
离散化微分模型方程的反应器网络综合
2.
An new discretization algorithm for intelligent modeling in welding;
一种新的面向焊接智能建模的离散化方法
3.
A novel algorithm for dynamic discretization of continuous features based on clustering;
基于聚类的连续属性动态离散化算法
2) discrete
[英][dɪ'skri:t] [美][dɪ'skrit]
离散化
1.
Fast discrete bilinear interpolation algorithm;
快速离散化双线性插值算法
2.
Interval arithmetic based discreteness and programme on temperature field of turbine rotor is constructed in de- tail,so that onlined computer of temperature field can be realtime processing and rapid.
通过建立一个具体的离散化易于编程实现的温度场数学模型,得以实现汽轮机转子温度场在线计算的实时快速,更准确地再现机组在实际启停过程中转子最大热应力区段内的温度变化规律。
3.
The continuous Gabor expansion must be made discrete and finite in numerical implementation.
为能进行数值计算,需对连续Gabor展开离散化有限化。
3) dispersing
[英][dis'pə:s] [美][dɪ'spɝs]
离散化
1.
Setting up a differential equation of vibration for dispersing wire rope,and analyzing the vibrating model and model s original frequency of the wire rope with the method of transfer function test provided the premise for unerstanding the relationship between vibration model,the model s original frequency and the range of wire rope s tensility.
建立离散化柔索振动的微分方程,用传递函数测试的方法分析柔索振动模态和模态固有频率,为建立振动模态和模态固有频率与索中张力变化的关系提供了前提,也为通过传递函数分析法来最终寻求测试柔索张力的全新方法作了有益的探索。
4) Discrete optimization
离散优化
1.
Study on particle swarm algorithm for discrete optimization problems of device layout;
设备布局离散优化问题的粒子群算法研究
2.
Image completion via discrete optimization;
基于离散优化的图像修复
5) Milstein discretization
Milstein离散化
6) semi-discretization
半离散化
1.
The Semi-Discretization of the System Consising of a Robot and Its Associated Safety Mechanism;
机器人与其连带的安全装置构成的系统解的半离散化
2.
In a redundant robot configuration with a buitt-in safety system,we structure an elementary step function to approximate the system repair rate in the system model and present the semi-discretization model which prorides the theory foundation for the further research of numerical calcalation.
对具有内部构造安全保障体系的冗余机器系统中的修复率μ(x)用初等阶梯函数方法进行逼近,并给出了系统的半离散化模型,为进一步数值计算打下基础。
3.
We structure an elementary step function to approximate the system repair rate in the system model,and present the semi-discretization model,which procides the theory foundation for the further lesearch of numerical calcalation.
针对具有热储备的可修复平行系统模型中修复率U(X)用初等阶梯函数进行逼近,给出了系统的半离散化模型,进一步为数值计算打下了理论基础。
补充资料:离散时间周期序列的离散傅里叶级数表示
(1)
式中χ((n))N为一离散时间周期序列,其周期为N点,即
式中r为任意整数。X((k))N为频域周期序列,其周期亦为N点,即X(k)=X(k+lN),式中l为任意整数。
从式(1)可导出已知X((k))N求χ((n))N的关系
(2)
式(1)和式(2)称为离散傅里叶级数对。
当离散时间周期序列整体向左移位m时,移位后的序列为χ((n+m))N,如果χ((n))N的离散傅里叶级数(DFS)表示为,则χ((n+m))N的DFS表示为
式中χ((n))N为一离散时间周期序列,其周期为N点,即
式中r为任意整数。X((k))N为频域周期序列,其周期亦为N点,即X(k)=X(k+lN),式中l为任意整数。
从式(1)可导出已知X((k))N求χ((n))N的关系
(2)
式(1)和式(2)称为离散傅里叶级数对。
当离散时间周期序列整体向左移位m时,移位后的序列为χ((n+m))N,如果χ((n))N的离散傅里叶级数(DFS)表示为,则χ((n+m))N的DFS表示为
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参考词条