驻留时间

基于Clean算法的离子束抛光技术的驻留时间求法

The Solution of Dwell Time of Ion-beam Figuring Based on the Clean Algorithm

GPS并行捕获的门限与驻留时间的设计与仿真

Design and Simulation of Threshold and Dwell Time for GPS Parallel Acquisition

基于Bayesian原理的低陡度光学镜面面形误差离子束修正驻留时间算法

Bayesian Principle Based Dwell Time Algorithm for Ion Beam Figuring of Low Gradient Mirrors

为此，提出一种PN码串行搜索多驻留时间捕获方案，并进行了系统仿真。

Here a Multi - Dwell Time Detection acquisition scheme is advanced .

本文讨论了用状态驻留时间来模型化传统的HMM模型。

In this paper , modeling traditional HMM with time-dependent state is discussed .

基于状态驻留时间下由转移弧产生输出的HMM模型中的参数估计（英文）

Parameter Estimation Based on State Duration in the Transition-arc Output Hidden Markov Models ( HMM )

但是，Li等人给出的开销分析是基于小区驻留时间和位置区（LocationArea，LA）驻留时间均服从指数分布的假定展开的。

However , the cost analysis developed by Li et al was carried out under the assumption that both the cell and location area ( LA ) residence times are exponentially distributed .

针对一类存在静态约束和状态时滞的离散时间奇异切换系统，首次研究了基于平均驻留时间切换的指数H∞滤波问题。

For a class of discrete-time singular switched system with static limitation and state delay , the H ∞ filtering problem is firstly investigated by using the average dwell time switching method .

证明了在多Lyapunov函数及平均驻留时间满足某些约束的条件下，切换系统会在有限时间内稳定。

We get that the switching system will become stable in fi-nite time if the multi Lyapunov function and average dwelling time satisfy certain constrains .

MEO卫星通信系统的小区驻留时间分布

Cell Dwell Duration Distribution in MEO Satellite Communication Systems

从而判定基于earliest调度策略调度系统是否适合带驻留时间约束和活动时间波动的单臂组合设备。

Thus , we can check if the schedule obtained by earliest strategy is applicable for the cluster tools with residency time constraints and activity time variation .

数值分析表明，基于运动量的方案的总信令开销是运动量门限的（向下）凸函数，且对小区驻留时间和LA驻留时间的方差敏感。

Numerical study suggests that the total cost is a convex function of the movement threshold , and is sensitive to the variances of the cell and LA residence times .

电学测试表明薄膜均为n型导电，载流子传输在低温下满足变程跳跃电导机制，较长的载流子驻留时间为薄膜铁磁特性的形成提供了条件。

The electrical measurement showed that the films were n-type conductivity . The carrier transfer at low temperature satisfied the variable-range hopping conductivity mechanism . The long carrier residence time of carrier is in favor of forming ferromagnetic films .

采用平均驻留时间技术和分段Lyapunov函数方法，推导出平均驻留时间条件和稳定子系统与不稳定子系统间的激活时间比条件。

An average dwell time method and piece-wise Lyapunov function method are adopted . The conditions of average dwell time and activation time ratio between stable subsystems and unstable subsystems are derived .

影响反应工艺的因素主要有：反应体系的反应温度、pH值、Eh值、污染物在反应器内的驻留时间、铁炭比和铁屑粒径等。

Factors working on the reaction mechanism include temperature , pH , Eh numerical value , retention time of contaminants in the reactor , proportion of iron and carbon and the diameter of granulose iron .

通过构造一个分段的Lyapunov函数以及采用平均驻留时间分析方法，得到了滤波误差系统指数稳定且具有给定H∞性能指标的时滞依赖充分条件。

By constructing a piece-wise Lyapunov functional and using the average dwell time analysis method , a sufficient condition is de-rived such that the filtering error system is exponentially stable and achieves a prescribed H ∞ performance level .

AfteranIVbolus，平均驻留时间（MRT）是表示药物消除的又一个测量值，是指某种药物快速静注后，其药物分子滞留在体内的平均时间。

Mean residence time ( MRT ), another measure of drug elimination , is the average time a drug molecule remains in the body after rapid IV injection .

构造由切换系统和跟踪误差系统组成的增广系统，通过分析增广系统在匹配时间段和不匹配时间段的稳定性，保证了切换系统在平均驻留时间切换下稳定并且具有鲁棒H。

The augmented systems composed of the given switched systems and tracking error systems are constructed . By analyzing the stability of the augmented systems in matched and mismatched periods , the stability and the robust H ∞ tracking performance of switched systems are obtained .

首先基于平均驻留时间方法给出了切换中立有限时间有界的充分条件，然后在考虑存在参数不确定性及未知时变扰动的情况下，对系统设计了鲁棒有限时间H∞状态反馈控制器。

A sufficient condition under which the switched neutral systems are finite-time bounded is proposed based on the average dwell time method firstly , and then a robust finite-time H ∞ state feedback controller is designed when when parameter uncertainties and unknown time-varying disturbance exist .

由于一定时间段的会话中蕴含着用户的访问模式与访问动机，设计一种结点带有驻留时间，类似FP-tree的频繁页面树FPDT-tree结构；

According to FP-tree , a Frequent Page Tree structure with Dwell Time ( abbreviated as FPDT-tree ) is designed .

分析指出：当移动主机（MH）在接入路由器的平均驻留时间以及MH的平均分组到达率增加时，总代价值增大而最优区域大小减小；

Analyses show that when accessing router , the mobile host ( MH )' s average residence time and its average packet arrival rate decrease , the total cost value decreases and the optimal region size increases ;

利用平均驻留时间方法和自由权值矩阵方法，给出了此类问题的时滞相关的充分条件，并用线性矩阵不等式（LMI）来表示。

Based on the average dwell time ( ADT ) approach and the free-weighting matrix technique , delay-dependent sufficient conditions are developed for the solvability of such problem and formulated as linear matrix inequalities ( LMIs ) .

设计积分型滑模面，采用平均驻留时间方法和线性矩阵不等式（LMI）技术，给出滑动模态均方指数稳定的充分条件。

Construct an integral type sliding surface , and derive sufficient conditions in the form of linear matrix inequalities ( LMIs ) for mean-square exponential stability of the sliding mode dynamics by an average dwell time method .

针对子系统不存在干扰的情况，基于参数依赖切换Lyapunov函数提出闭环系统在平均驻留时间切换信号下局部指数稳定的状态反馈控制器设计方案，并估计闭环稳定的吸引域。

First of all , for the disturbance free case , we proposed a switched state-feedback controller guaranteeing the locally exponential stability of the resulting closed-loop system under average dwell-time switching scheme and estimate the domain of attraction based on parameter-dependent Lyapunov function .

本文提出了一个具有59个状态的用于汉语音素识别的大型线性预测HMM，一个状态对应于一个汉语音素，且各状态驻留时间在其相应的某个区间内服从均匀分布。

This paper introduces a large linear predictive HMM with 59 states , used in Chinese phoneme recognition , each state of which presents one Chinese phoneme , and the state durational density is average distribution described by one corresponding interval .

利用分段Lyapunov泛函方法和平均驻留时间方法，得到了非线性网络控制系统指数稳定的充分条件，并以线性矩阵不等式的形式给出了模糊控制器的设计方法。

Using the piecewise Lyapunov function approach and the average dwell time method , a sufficient condition of the exponential stability for such nonlinear NCS is obtained , and the fuzzy controller design method is presented in the terms of linear matrix inequalities ( LMIs ) .

找到一类切换信号使系统是指数稳定的并具有加权L2增益。并以平均驻留时间和线性矩阵不等式的形式给出了这类信号存在的时滞相关的充分条件和状态衰减估计形式。

Based on average dwell time method , we search for a class of switching signals such that the considered switched delay systems are exponentially stable and have weighted L2 - gain . Sufficient conditions in the form of LMIs are given to guarantee the existence for such switching signals .

对一般的交互系统，作者推荐驻留时间取为500ms，对象尺寸不小于1.5°，对象间距不小于1.0°。

We recommend that the dwell time should be 500 ms , the object size and object space should be not less than 1.5 ° and 1.0 ° respectively for the normal interactive systems .

目前所采用的方法主要有公共控制李雅普诺夫函数（CCLF）方法、多李雅普诺夫函数方法、驻留时间法等。

At present , the methods using Common Control Lyapunov Function method ( CCLF ), Multiple Lyapunov Function method and Dwell-time method , play an important role .

基于参数相关的Lyapunov-like函数，并结合自由权矩阵的方法，应用平均驻留时间的技术设计切换律，给出了时滞切换系统的时滞相关的鲁棒稳定性充分条件。

Delay-dependent sufficient conditions for robust exponential stability are proposed for the delay switched system by employing parameter-dependent piecewise Lyapunov-like functional combined with the free-weighting matrix and average dwell time methods .