时间平滑

时间平滑技术可以用来解决相干信号源的波达方向估计，但现有的算法只适合于一维波达方向估计，不能直接扩展到二维。

Temporal smoothing technique can be used to deal with the DOA estimation of coherent signals , but the existing methods are only suitable for one-dimension direction finding .

大气光通信中大气闪烁时间平滑效应研究

Time - averaging Effects for Atmospheric Scintillation in Atmospheric Optical Communication

本文在介绍了二阶循环平稳理论的基础上，分析了循环周期图的两种方法，并将时间平滑循环周期图法应用到实测滚动轴承振动信号的分析与诊断之中。

In this paper , based on the theory of second order cyclostationary , two methods of cyclic periodogram are introduced and explained .

随着接收终端离地高度和天顶角的增大，大气闪烁时间平滑作用降低。

Along with the increase of the zenith angle and height above ground of an optical transmitter , the extent of the time-averaging effect decreases .

本文用正压原始方程模式试验了显式积分方案的稳定性和精确性，并考察了时间平滑和空间平滑对这些特性的影响。

Explicit integration schemes for the barotropic primitive equation model are tested for stability and accuracy . Influence of time and space smoothing on the stability and accuracy are also investigated .

在孔径远大于菲涅耳区尺度时，平面波和球面波的时间平滑因子的近似表达式与精确表达式的误差分别小于6%和3%。

When the aperture is much larger than Fresnel scale , approximate expressions differ from exact numerical results by less than 6 % in the case of plane wave and 3 % for spherical wave .

利用大气闪烁的时间平滑效应，增加光电探测器曝光时间是克服大气闪烁对大气光通信的瞄准、捕获、跟踪链路影响的有效途径之一。

Based on time-averaging effects for atmospheric scintillation , extending photoelectric ( detector 's ) exposure time is one of the effective ways to mitigate the effect of atmospheric scintillation on the link of atmospheric optical communication .

时间序列平滑法在产品产量预测中的应用

Applications of time series smoothing method in the prediction of product output

平滑财务再保险：时间风险平滑策略与后验分红

Smoothing Financial Reinsurance : The Strategy of Smoothen Timing Risk and Posterior Bonus

时序资料的时间窗平滑法及应用

Time - window smoothing method and Its Applications

实验结果表明，该类方法能够兼顾空间和时间的平滑性。

Experimental results show that these methods can take into account the space and time smoothness .

对于具有强机动特征的轨迹，滑动窗的时间序列平滑优于常见的目标运动分析的状态估计方法。

For traces with strong maneuvering characteristics , the smoothed time-sequence method using a sliding window is better than the normal state estimation method used for target motion analysis .

这种新型的时间束平滑方法结构简单且焦斑特性可调，这些优点使得它在提高靶面辐照均匀性方面具有重要的应用价值。

This new kind of temporal beam smoothing technique has the advantages of simple configuration and adjustable focal spot performance , and is of important application value in improving irradiation uniformity on target surface .

以某港1981~1999年集装箱吞吐量为实测数据，建立其集装箱吞吐量的趋势外推、时间序列平滑、回归分析和灰色系统等预测模型。

Taking the container throughput of a port in 1981-1999 as the original data , some prediction models of container throughput in this port are established by means of Trend Extrapolate method , Time Series method , Analysis of Regression method and Grey System method .

目前，对未来十年后的客运量进行预测所较常用的预测方法是时间序列平滑法，但此法并不适用于长期预测。

Therefore , the author has mainly completed the following several works : ( 1 ) at present , the time series smoothing procedures is a commonly used forecast method to the future ten years ' passenger transport rate , but this law is not suitable for the long-term forecast .

时间序列指数平滑模型新体系及算法

New System and Algorithm of Exponential Smoothing Models of Time Series

分布网络中离散时间系统的平滑算法

Decentralized Smoothing Algorithms of Discrete-Time Systems in Distributed-Sensor Networks

完美的切换过程是无缝切换，包括快速切换和平滑切换。快速切换意味着低时间延迟，平滑切换就是低数据丢包率。

An ideal handover process is supposed to be seamless , including fast handover ( having short time lag ) and smooth handover ( possessing low data packets loss ) .

针对传统技术分析在识别股市上涨行情时存在时间滞后和平滑程度难以掌握的缺点，提出一种基于小波变换的股市分析方法。

In regard to the defects of delay and uncontrol in traditional technology analysis of rising stock market , a sort of analyzing technique basing on wavelet transform is put forword .

指数平滑预测方法由于采用对时间序列加权平滑（平均）和非线性预测模型，而且计算简单方便，因此适用于车间现场机械故障预测。

The method for forecasting by exponential smoothing is applied to forecast mechanical faults on the workshop site , since it adopts weighted smoothing ( average ) of time series and nonlinear forecasting model and its calculation is also simple and convenient .

Frequent-Wavelet算法的基本原理是使时间序列通过多孔平滑滤波器组，然后对来自多个尺度序列的子序列进行聚类，从而将时间序列的频繁模式挖掘问题转化为项目序列的频繁模式挖掘问题。

The basic idea of Frequent-Wavelet is to pass time series through the a ' trous smooth filters set , and then cluster the derived subsequences , so the problem of FTS mining is converted to the problem of FIS mining .

其中混杂因素如时间、温度用平滑样条函数进行控制。

Using smoothing spline to control the confounding factors such as time , temperature .

提出了一种电力系统中长期负荷预测的方法时间序列的指数平滑法。

In this paper , one method , that is , exponent smoothing method is put forward .

在总体分析方面，研究工作包括定位解算模型、跟踪误差的空间分布、方位时间序列的后置平滑以及轨迹跟踪的仿真评估等内容。

In the aspect of general analysis , the study includes the calculation model , the postposition flatness of bearing-time sequence and the simulation evaluation of tracking .

尤其是该算法计算切削后生成的小三角片的法向量成为计算交点的一个副产品，几乎不再占用额外的计算时间，为做到平滑地动态显示高质量的真实感图形提供了可能。

Because this algorithm makes the small triangular face normal to be a byproduct of calculating point of intersection , it does not need other time to calculate it . So it is possible to display high quality realistic pictures smoothly on microcomputer . 4 .

利用经济预测方法，建立了非典数学模型，分别利用0.618法、时间序列的指数平滑技术及温特法对数据进行纵向和横向处理，得出了数据预测趋势走向图和统一预测公式。

SARS mathematical model using economic forecasting method is established , and data forecasting trend diagram and unified forecasting formula are established by using 0.618 method , index smooth technique of time series and Winter method being used to process the date lengthways and breadthwise .

到达角起伏幅度随着曝光时间的增加而减小，由归一化协方差拟合关系得到的时间平滑因子计算结果与实验直接分析得到的结果一致。

The calculated results of the time-averaging factor are in good agreement with the experimental results .