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加权移动平均
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  weighted moving average
     Presenting a new method of DoS attack detection based on exponentially weighted moving average technology, detection effect is good viewing from the experiment result.
     提出了采用指数加权移动平均(EWMA)控制图技术检测DoS攻击的新方法方法,实验证明,检测效果好。
     Multivariate exponentially weighted moving average(MEWMA) control chart was designed to detect small shifts in the mean vector of a multivariate quality process;
     多元指数加权移动平均(MEWMA)控制图常用来监测多元质量过程中存在的小偏移,对其性能评价时多采用平均运行链长。
短句来源
     Application of Exponentially Weighted Moving Average Chart in Environmental Analysis Laboratory and Comparison with Other Control Charts
     指数加权移动平均控制图在实验室中的应用及与其他质控图比较
短句来源
     The exponentially weighted moving average(EWMA) feedback controller is a process algorithm based on the EWMA statistic which integrates and combines the strengths of statistical process control(SPC) and automatic/engineering process control(APC/EPC). These control techniques have been applied to many semiconductor manufacturing processes.
     指数加权移动平均(EWMA)反馈控制是基于EWMA统计量的控制算法,它将统计过程控制(SPC)和工程过程控制(EPC/APC)两种过程控制技术相结合,广泛应用于半导体生产过程。
短句来源
     Secondly, we investigate three remedial process monitoring methods proposed for autocorrelated data:the residual control chart, the remedial exponentially weighted moving average control chart(REWMA), the autoregressive moving average control chart(ARMA).
     第二部分研究了三类对自相关过程进行监控的新型控制图:残差控制图、改进型指数加权移动平均(EWMA)控制图,自回归移动平均(ARMA)控制图。
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  weighted move average
     Finally, because of the defect that it hasn't the time span, the traditional Shewhart chart is improved by introducing weighted move average, In addition, the framework of implementation procedure of statistical process control is brought forward in the paper.
     针对传统的Shewhart控制图不具备时域性的缺点,引入了加权移动平均思想,对Shewhart图进行了改进,并提出了统计过程控制的实施流程框架。
短句来源
     In addition, according to engineering acquirement an anti-interference scheme by using special hardware is designed, and Weighted Move Average Algorithm is applied to filter original data.
     同时根据工程要求采用了硬件抗干扰措施,同时通过软件设计了分段式数据校正程序,以提高系统精度,并采用加权移动平均算法对采集数据进行数字滤波;
短句来源
  “加权移动平均”译为未确定词的双语例句
     Statistical performance analysis and parameter optimization are discussed for the three most frequently used control charts (i.e., Shewhart, CUSUM and EWMA).
     然后,讨论了Shewhart控制图、累积和(CUSUM)控制图、指数加权移动平均(EWMA)控制图这3种最常用的变点检测方法,研究其统计性能分析方法及参数优化方法。
短句来源
     The low frequency signal is predicted with the AR model; the high frequency signal at the smallest scale with the weighed moving average method and the others with the support vector regression(SVR) models.
     将主机负载序列进行多层小波分解与单支重构,低频信号采用AR模型预测,最小尺度高频信号采用加权移动平均方法预测,其它分支采用支持向量回归(SVR)预测;
短句来源
     On this base, we introduce a new control chart-EWMA control chart based on successive elgibles to control the tiny variable.
     在此基础上,引入了连续合格品数指数加权移动平均控制图来控制过程的微小波动;
短句来源
     Using Exponential Weighted Moving Covariance Plot (EWMA Plot) and MSPC Control Plot (such as SPE-score picture, T2 picture and Principal Component Contribution Plot, etc) to monitoring procedure process, and to examine abnormal conditions in process.
     利用指数加权移动平均图(EWMA图)和多变量统计控制图(SPE-score图、T2图和主元贡献图等)方法对生产过程实行监控,检测生产过程异常情况。
短句来源
     Three steady tendency predictive methods were used, such as the moving average value, the weight moving average value and the linear-exponent smooth value,and the relatively errors of the three methods were given,so that the precision of the three predictive methods can be compared .
     通过采用移动平均、加权移动平均和一次指数平滑值三种平稳趋势型的预测方法,并给出三种预测方法的相对误差,从而可比较三种方法的预测精度。
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  weighted moving average
Modified Shewhart-exponentially weighted moving average control charts
      
A modified Shewhart-exponentially weighted moving average X-bar statistical control scheme is evaluated.
      
This controller is based on a double Exponentially-Weighted Moving Average (EWMA) scheme; thus the performance of the closed-loop system depends on the two weight parameters of the EWMA equations.
      
This research presents a comparison between the cost performance of the Exponentially Weighted Moving Average (EWMA) and the combined EWMA-xˉ control chart schemes.
      
Under a linear MIMO model, this paper proposes a Multivariate Exponentially Weighted Moving Average (MEWMA) controller.
      
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In the monograph , the multinomial regression equation and a kind forecast of nonlinear self-inertia to the historical data of Guilin's overseas tourism are given by using the Microsoft Excel and the least squares method,weighted moving averages, all about these get the forecasting data about Guilin's overseas tourism from 2000 to 2005 year and find out it's short-wave cycle and long cycle.

应用Microsoft的Excel,对桂林入境旅游接待量历史数据进行处理 ,作出了桂林入境旅游发展的多项式型非线性回归拟合以及计算出 5~ 15的奇数项加权移动平均后的数据与原数据的相关度 ,得出了 2 0 0 0~ 2 0 0 5年桂林入境旅游接待量的自惯性发展的预测值以及其短波周期与长波周期

Video streaming has strict bandwidth, delay and packet loss requirements, but the best effort services of current Internet can not offer any quality of service (QoS) guarantees to real time traffic. Congestion control is required to reduce bursty loss and excessive delay, but packet loss is still unavoidable, thus error recovery mechanism must be in place to maximize video presentation quality in presence of packet loss. Most of recent congestion control and error recovery researches are separated, however,...

Video streaming has strict bandwidth, delay and packet loss requirements, but the best effort services of current Internet can not offer any quality of service (QoS) guarantees to real time traffic. Congestion control is required to reduce bursty loss and excessive delay, but packet loss is still unavoidable, thus error recovery mechanism must be in place to maximize video presentation quality in presence of packet loss. Most of recent congestion control and error recovery researches are separated, however, the combination of these two mechanisms would improve the performance of Internet video streaming. In this paper, a layered end to end unicast Internet video streaming architecture is presented. Specifically, an RS coding scheme is designed in error recovery layer against packet loss. A flexible congestion control scheme, AVSP (Adaptive Video Streaming Protocol) is designed in video transmission layer against bandwidth fluctuation. There are four states in AVSP, including: paused, quick\|start, steady and congested. AVSP applies a weighted moving average rate adjust policy by examining whether the packet loss rate exceeds the threshold value or not. The alterable parameter setting of AVSP enables that it could be used under variant network conditions. Based on the Gilbert model and the serial number of packets, AVSP could get an estimated packet loss rate for next rate adjust decision. Its adaptation capacity could be compared with the Additive Increase and Multiplicative Decrease (AIMD) algorithm used in TCP in the same bandwidth fluctuation condition. Considering that the Internet is a shared environment, the inter protocol characteristic (especially the TCP friendliness) should be taken into consideration in AVSP design. The TCP friendliness could be measured by an average throughput comparison in a simulation case with several concurrent AVSP flows and TCP flows. Simulation results demonstrate that AVSP has a good adaptation capacity against available bandwidth fluctuation, and act with TCP friendliness in a shared environment.

在当前 Internet的尽力而为服务模式下 ,网络拥塞和分组丢失不可避免 ,视频流应用必须使用有效的拥塞控制和差错控制机制来改善性能 .文中给出一个自适应拥塞控制与 RS编码差错修复机制相结合的端到端单播视频流体系结构 .所设计的自适应视频流协议 AVSP以一个参数可调的加权移动平均速率调整策略为核心实现拥塞控制 ,并使用 Gilbert模型进行分组丢失率估计用于决策 .仿真结果表明 ,AVSP具有对网络可用带宽波动的自适应能力和 Internet共享环境下的 TCP友好性 .

Through the analysis of two properties of smoothing and fitting, this paper puts forward a new graduated method: the mixed moving average method of weighted-arithmetic-mean and median. Compare four methods of Weighted-Moving-Average, Exponential-Smoothing, Bayesian Graduation and the New Graduated Method, the new graduated method would generate a new series of varieties with a good smoothing and excel- lent fitting.

在研究变量数列修匀技术的光滑性和拟合度准则的基础上,将中位数引入到加权移动平均法公式中,构建新的数列修匀方法:加权算术平均数──中位数混合移动平均法.论文的后半部分通过实例对加权移动平均法、加权算术平均数──中位数混合移动平均法、指数平滑法和Bayesian方法等四种修匀方法的光滑性和拟合度作了对比研究,最后得出结论:加权算术平均数中位数混合移动平均法具备了计算方法简便、光滑性能好、拟合度较高等特点,对变量数列具有广泛的适应性和良好的修匀效果.

 
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