Study on Dynamic Stability and Time Series Analysis of Tunnel Surrounding Rock 隧道围岩动力稳定性研究与时间序列建模分析
The Granger test opens out their causality and the dynamic correlations of two series are also analyzed by using the methods of impulse response and variance decomposition. 基于向量自回归模型的脉冲响应分析和方差分解分析,对两个序列之间的动态影响进行了考查。
The composition, control principle and dynamic characteristics of time series pulse combustion control system applied to the annealing furnace in Beitai Ductile Cast Iron Pipe Plant are introduced. 主要介绍了北台球墨铸铁管厂退火炉时序脉冲燃烧控制系统的组成、控制原理和动态性能,指出时序脉冲燃烧控制方式的优点以及在引进应用中应注意的问题。
Dai Xiang locates Lei Feng's image on a commercial publicity for a popular commodity, which is one of the rather dynamic episode of the series. 戴翔将雷锋的形象安置在流行商品代言人的广告牌上,则是其系列作品中颇具份量的一帧。
Method of making Precipitation Forecast in Flood Season in Zhengzhou by Utilizing the Dynamic Time Series Period Analysis and Prediction Model 用动态时间序列周期分析预测模型作郑州汛期降水预报
The simulation results indicate the dynamic process of series resonant inverter and demonstrate that the new method of fixed-angle-control can keep the "power factor angle" as constant in a wide frequency range. 仿真结果表明该定角控制方法是可行的,能够使串联型逆变器在较宽的频率范围内保持功率因数角恒定。
Methods The incidence rates of some infectious diseases and their distributions were described by using dynamic series method, in order to learn the dynamic condition of the main infectious diseases during the ten years in Taiyuan. 方法应用动态数列描述太原市1994-2003年10年报告的各种传染病的病种状况及主要病种的动态概况。
The index series of inhabitant consumer price of Shandong province from Jan 1993 to Aug 2000 is studied, The Multiplication Model of dynamic series is selected, we analyze the price index series which season effect and long trend effect are done away from. 以1993年1月至2000年8月山东省居民消费物价指数序列为样本,采用动态序列分析理论中的乘法模型,对排除掉季节变动与长期趋势变动的物价指数序列进行了分析。
It is applied to the abnormal distinguishing on the observed dynamic series of the crustal deformation. The results, applying this method, is compared with the conventional method. 它实际应用于地形变动态观测序列异常识别的结果及其与常规方法的比较表明:(1)该方法理论上是严格的,实用上是较为合理的;
Dynamic analysis series of "XOS" training effect on patients with Parkinson ′ s syndrome XOS综合反馈训练仪对帕金森氏综合征患者治疗效果的能量分析
The dynamic equations for the series structure are given using the extended iterative Newton-Euler dynamics algorithm. 运用推广的递推牛顿-欧拉动力学算法,给出了串联结构的动力学方程。
A fault current limiter controlled by pulse width modulation ( PWM), which possesses the function of dynamic series compensation, is designed. This current limiter consists of inductance controlled by PWM, capacitor banks controlled by switcher and current-limiting inductance. 设计了一种采用脉宽调制(Pulsewidthmodulation,PWM)控制的具有动态串联补偿功能的故障限流器,主要由以PWM原理控制的电感、开关控制的电容器组、限流电感构成。
A new method to forecast daily load curve based on rough set theory and dynamic time series model 基于粗糙集理论和动态时序模型的日负荷曲线预测新方法
Study on flood regulation for dynamic compensation between series connection reservoirs 串联水库动态补偿洪水调度方法研究
Constitution& Dynamic Display for Series LOD Model of TIN Terrain by Deleting Vertices 基于点删除的地形TIN连续LOD模型的建立和实时动态显示
A Forecasting Model of Dynamic Time Series 动态时间序列预测DM模型
Flatness detection signal was looked on as dynamic time series and by the theory of adaptive filtering a general method was developed to remove the harmful noise from the flatness detection signal. 将板形检测信号视为动态时间序列,运用自适应滤波理论,建立了一种通用的板形检测信号除噪方法。
Spectral Analysis of Dynamic Series Trends 动态数据的谱分析
Along with the oil field unceasing development, is more and more high regarding the dynamic series analysis rational request, carries on the auxiliary dynamic analysis using the computer, will enhance the oil-field development the management level is the future oil-field development management development tendency. 随着油田的不断开发,对于动态统分析的合理性要求越来越高,应用计算机进行辅助动态分析,提高油田开发的管理水平是未来油田开发管理的发展趋势。
Robust Processing for Dynamic Series 动态数据的稳健处理
The present study predicts the development of health manpower and level structure of paramedical and pharmacy higher education by methods of dynamic series, tendency extrapolation, grey forecasting and special istic prediction. 采用动态数列、趋势外推、灰色预测和专家预测等方法,对卫生人力发展、相关医学和药学类高等教育招生规模和层次结构进行了预测。
Dynamic Demonstration of Fourier Series Partial Sum Approaching Sum Function 傅里叶级数部分和逼近和函数的动态演示
Adopt ratio, dynamic series analysis, Gini coefficient, Health Resources Density Index to explore status of health manpower and bed allocation in Hunan province. 采用构成比、动态数列分析法、基尼系数法、卫生资源密度指数法等了解湖南省卫生人力与床位配置情况。
Thirdly, the partial periodic patterns data mining of static and dynamic time series ( data stream) in the presence of noise is studied more deeply. By using the synthetic data in empirical study to prove the effectiveness of the algorithm we proposed. 第三,对于噪声环境下的静态时间序列和数据流的部分周期模式挖掘进行深入的研究,并通过仿真数据验证本文所提算法的有效性。
Dividing the series into several main parts ( trend ingredients, seasonal factors, and circulation factors, irregular factors) to understand the dynamic action of series. 4. 将序列分解成几个主要成份(如趋势成份、季节变化成份、循环成分、不规则成份),以增进对序列动态行为的了解。
What time series mention is the analytical technique to this kind of dependence. This requires found stochastic and dynamic models of time series. 时间序列分析所论及的就是对这种依赖性进行分析的技巧,这要求对时间序列数据建立随机动态模型。
Based on wavelet multi-resolution analysis theory, differential equation of linear structural dynamic system are decomposed and dynamic time series are described on different scales. 利用小波分析多分辨分析原理,建立线性系统多尺度动力平衡方程。
Through the calculation and analysis, we can optimize the frequency of monitoring groundwater dynamic, to meet the dynamic observation needs of the groundwater level data, and we can get groundwater dynamic time series model to achieve the purpose of forecasting. 通过拟合计算可以对石家庄地区的地下水动态的监测频率进行优化,满足对地下水水位动态观测数据的需要;并得出地下水水位动态的时间序列模型,以达到预测的目的。