时变参数时间序列模型,Time varying parameter model,在线英语词典,英文翻译,专业英语

1) Time varying parameter model

时变参数时间序列模型

2) time-varying

时变

Time-varying Analysis and Modeling for the IMU Error Coefficient;

惯性测量组合误差系数的时变分析与建模

Study on a Time-varying Spatial Model of Railway Tangent Track Vibration;

铁路直线轨道空间振动时变模型研究

Analysis of Capacity for Time-varying Watermark Channel with Side-information;

一类带边信息的时变数字水印信道容量分析

3) time-dependent

时变

A time-dependent model incorporating such uncertainties based on stochastic differential equation theory is presented,which provides a coherent framework for calculating time-dependent reliability under such external uncertainties leading to uncertainties in stress and strength.

针对机械设备在使用过程中受到的时变不确定性因素(如荷载、环境及材料自身等因素)影响,建立了基于随机微分方程的时变可靠性预测模型,提出了考虑不确定性因素的时变可靠度计算方法。

The time-dependent stiffness reliability analysis of structural system,which is based on cumulative damage,is very important for the influence on the stiffness reliability index of structural system in the design life.

基于累计损伤的结构系统时变刚度可靠性分析,对设计寿命期内结构系统刚度可靠性指标的影响非常重要。

Time-dependent rules of the concrete’s neutralizing height,damaging height,sectional dimension and the relationship between time-dependent reliability index are given.

鉴于现阶段酸性气体作用对受力混凝土工作性能影响研究的匮乏,采用数值计算与实例相结合的方法分析了酸性侵蚀气体对服役钢筋混凝土结构可靠度的影响,给出了混凝土中和高度、混凝土损伤高度和截面尺寸的时变规律及其与时变可靠度指标的关系。

4) time dependent

时变

Research on time dependent vehicle routing problem based on GA;

基于GA的时变路网中车辆动态派遣的研究

Vehicle routing problem in time dependent network was researched.

研究了时变网络中的车辆调度问题,设计了该问题的并行遗传算法并进行求解。

5) time varying

时变

30 μm; if the magnetic damping is a time varying system, the overshoot of position controlling is less than 3.

采用主动可控电磁阻尼系统,控制线圈的电流即可控制系统的阻尼,可根据实际应用场合,确定采用恒定阻尼还是时变阻尼。

Two schemes of time frequency representation were developed and implemented to identify the time varying modal frequencies of single degree of freedom system with changing stiffness.

应用线性和二次时频变换方法 ,即短时傅里叶变换和魏格纳 -维尔分布 ,进行了时变结构模态参数的辨识。

According to the working condition of high speed railway, a spatial time varying model of subgrade/track/vehicle coupling system is established for dynamic analysis of subgrade.

考虑高速线路的实际工况 ,建立了包括轨道结构和车辆的路基结构空间时变动力系统分析模型。

6) time-varying mechanics

时变力学

By combining time-varying mechanics and damage theory, basic equations and numerical equations of visco-elastic-plastic time-varying damage mechanics are given.

以损伤时变体为研究对象,将时变力学与损伤力学耦联,给出粘弹塑性损伤时变力学理论基本方程和数值计算公式。

By combing time-varying mechanics and damage theory, variable damage parameter which correlated with variational course is introduced.

以形状随时间变化的物体——时变体为研究对象,将损伤理论与时变力学结合,引入与时变过程相关的损伤参数,形成损伤时变力学分析方法。

参考词条

时变主轴时变图像时变Tsallis熵时变滤波时变磨损时变进给时变信道时变场时变信号时变效应时变需求液体稀释法极化范畴

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
　　

说明：补充资料仅用于学习参考，请勿用于其它任何用途。

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1) Time varying parameter model 时变参数时间序列模型 2) time-varying 时变 1. Time-varying Analysis and Modeling for the IMU Error Coefficient; 惯性测量组合误差系数的时变分析与建模 2. Study on a Time-varying Spatial Model of Railway Tangent Track Vibration; 铁路直线轨道空间振动时变模型研究 3. Analysis of Capacity for Time-varying Watermark Channel with Side-information; 一类带边信息的时变数字水印信道容量分析 3) time-dependent 时变 1. A time-dependent model incorporating such uncertainties based on stochastic differential equation theory is presented,which provides a coherent framework for calculating time-dependent reliability under such external uncertainties leading to uncertainties in stress and strength. 针对机械设备在使用过程中受到的时变不确定性因素(如荷载、环境及材料自身等因素)影响,建立了基于随机微分方程的时变可靠性预测模型,提出了考虑不确定性因素的时变可靠度计算方法。 2. The time-dependent stiffness reliability analysis of structural system,which is based on cumulative damage,is very important for the influence on the stiffness reliability index of structural system in the design life. 基于累计损伤的结构系统时变刚度可靠性分析,对设计寿命期内结构系统刚度可靠性指标的影响非常重要。 3. Time-dependent rules of the concrete’s neutralizing height,damaging height,sectional dimension and the relationship between time-dependent reliability index are given. 鉴于现阶段酸性气体作用对受力混凝土工作性能影响研究的匮乏,采用数值计算与实例相结合的方法分析了酸性侵蚀气体对服役钢筋混凝土结构可靠度的影响,给出了混凝土中和高度、混凝土损伤高度和截面尺寸的时变规律及其与时变可靠度指标的关系。 4) time dependent 时变 1. Research on time dependent vehicle routing problem based on GA; 基于GA的时变路网中车辆动态派遣的研究 2. Vehicle routing problem in time dependent network was researched. 研究了时变网络中的车辆调度问题,设计了该问题的并行遗传算法并进行求解。 5) time varying 时变 1. 30 μm; if the magnetic damping is a time varying system, the overshoot of position controlling is less than 3. 采用主动可控电磁阻尼系统,控制线圈的电流即可控制系统的阻尼,可根据实际应用场合,确定采用恒定阻尼还是时变阻尼。 2. Two schemes of time frequency representation were developed and implemented to identify the time varying modal frequencies of single degree of freedom system with changing stiffness. 应用线性和二次时频变换方法 ,即短时傅里叶变换和魏格纳 -维尔分布 ,进行了时变结构模态参数的辨识。 3. According to the working condition of high speed railway, a spatial time varying model of subgrade/track/vehicle coupling system is established for dynamic analysis of subgrade. 考虑高速线路的实际工况 ,建立了包括轨道结构和车辆的路基结构空间时变动力系统分析模型。 6) time-varying mechanics 时变力学 1. By combining time-varying mechanics and damage theory, basic equations and numerical equations of visco-elastic-plastic time-varying damage mechanics are given. 以损伤时变体为研究对象,将时变力学与损伤力学耦联,给出粘弹塑性损伤时变力学理论基本方程和数值计算公式。 2. By combing time-varying mechanics and damage theory, variable damage parameter which correlated with variational course is introduced. 以形状随时间变化的物体——时变体为研究对象,将损伤理论与时变力学结合,引入与时变过程相关的损伤参数,形成损伤时变力学分析方法。参考词条时变主轴时变图像时变Tsallis熵时变滤波时变磨损时变进给时变信道时变场时变信号时变效应时变需求液体稀释法极化范畴补充资料：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　　说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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