1) time variable forecast
时变参数预报
1.
The state (output) forecast of the dynamic system is divided into time variable forecast and state (output) forecast based on the former.
该方法把动态系统的状态(或输出)预报问题分为系统的时变参数预报和在此基础上对系统的状态(或输出)预报两部分,可充分考虑被预报系统的时变特性。
3) Forecast parameter
预报参数
4) semi-parametric forecasting
半参数预报
1.
In this paper, the semi-parametric forecasting method for ARMA series is used for the Xiangjiang s water level forecasting.
本文用ARMA序列的半参数预报方法对湘江水位进行预报,结果表明,这一方法具有好的应用价值。
5) time-dependent parameter
时变参数
1.
Based on the gray and time-dependent characteristics of the gray prediction system and the deformation rules of the deformation body,the time-dependent parameters a(t) and b(t) and the gray theory were applied to time series modeling,and a time-dependent parameter gray model TGM-AR was developed.
在趋势项提取法中,针对逐步回归法比较烦琐及灰色模型预测精度低的缺点,结合灰色预报系统的灰色性和时变性,根据变形体的实际变形规律,将时变参数a(t),b(t)及灰色理论应用于时序模型建模中,提出并建立时变参数灰序模型TGM-AR。
2.
Multi-layer recursive method was adopted to calculate time-dependent parameters,whose tendency of movement was further analyzed.
采用多层递阶方法计算模型的时变参数,进一步分析参数序列的变化趋势,计算后续时段的参数预测值,并以此进行沉降预测。
3.
A dynamic model of time-dependent parameter is developed for stage forecasting of confined water cones based on the groundwater balance principle, and the multi-layer recurrence method is used for finding the solution.
从水均衡原理出发 ,建立了时变参数的承压水漏斗水位预报的动态模型 ,采用多层递阶方法求解模型 。
6) time-varying parameters
时变参数
1.
Correcting factor of gray with prediction model unequal interval time-varying parameters;
引入修正因子的非等时距时变参数灰色预测模型及应用
2.
Time-varying parameters of the ARMA model in this paper processes chirp signal,it avoid computation of sinusoidal function in chirp signal generation and phase truncation.
该算法用二阶时变参数ARMA模型来表示Chirp信号,避免了Chirp信号产生中常规DDS技术的正弦函数的计算和相位截断效应。
3.
In this paper we get the estimation of time-varying parameters in linear regression model with ARMA noise by the least square method and discuss the consistency of the estimation at the same time.
本文利用最小二乘估计给出噪声为 ＡＲＭＡ序列线性模型中时变参数估计，并讨论了估计量的相容性问题。
补充资料：短期天气预报(见天气预报和天气图预报)
短期天气预报(见天气预报和天气图预报)
u。。，，，:‘，anq，yubao短期天气预报见关匀布绍升，二，二一一
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条