By means of this ratio and T_1, T_2, determined by seismometry, the mid long-term forecasting of earthquakes can be done.
利用此比值常数以及由测震学指标所确定的T_1和求得的T_2可以进行确定性的中长期地震预报。
Geological prediction is divided into long-term forecasting and short-term forecasting, which are the two successive steps in the work of geological prediction.
超前地质预报分为长期和短期两类,它们是超前地质预报工作步骤中的先后两步。
Because of the inherent bias in the traditional grey-forecasting model and the fixed choice of its parameter, the forecast precision is relatively low and unsuitable to the long-term forecasting.
由于传统灰色预测模型固有的偏差和模型参数的固定选择,导致预测精度较低,不适应中长期负荷预测。
Once wind turbines are up and running, the forecasting focus shifts from long-term averages to short-term specifics.
一旦风轮机装好开始运转,预测的重点就会从长期均值转向短期特定值。
In application of neural networks based short-term load forecasting model, the main problems are over many training samples, thus resulting long training time and slow convergence speed.
在神经网络负荷预测实际应用中,突出的问题是训练样本大、训练时间长、收敛速度慢。
Using the information of rice phenology observed in Kai- yuan City and with the method of multiple regression, a long term forecasting model for rice yield was established.
本文以辽宁省开原市水稻物候观测实际资料为例,采用多重回归的方法,建立了影响水稻产量的多时效预报模式。
The capital stock is a fundamental variable for regressing macro production function and forecasting economy in metaphase and long-term.
资本存量是建立宏观生产函数、进行中长期宏观经济预测等宏观经济研究的一个基础变量。
During the recent decade, a new tendency of long-term earthquake forecasting or seismic potential study has been shifting gradually from deterministic analysis to probabilistic analysis.
近十年来,长期地震预测或地震潜势研究的新趋势是:由确定性分析逐渐转向概率性分析。
The results tested the pest data showed that the new method may be tried for the mid term or long term forecasting of the population dynamics of insect pests, and it is a good model for application.
研究结果表明,该预测模型为农业害虫种群动态的中长期预测预报提供了一种新的研究方法,是一种优良的模型。
The operating parameters of hot water circulating system are very helpful for optimal planning and benefit forecasting of various regulating methods of long term performance.
热水系统的工况参,数对优选方案及预测长期运行中各种调节方法的增益效果均有参考价值。
In this paper, the application of artificial neural network (ANN) for short - term load forecasting and mid - long - term load forecasting are analyzed and compared.
本文分别对人工神经网络(ANN)在短期负荷预测和中长期负荷预测中的应用进行了分析、对比。
Markov chains forecasting method could make probability prediction of MDM and could be a reference to long-term developing trend forecasting of this disease.
马尔科夫链预测法可对玉米矮花叶病发生程度作概率预测,可作为该病长期发生趋势预测预报的一个参考。
Because the medium and long term load forecasting in distribution network is affected by many uncertain factors, up to now, no methods can obtain the satisfying forecasting results at all instances.
由于配电网中长期负荷预测,会受到很多不确定因素的影响。因此,到目前为止,还没有哪一种方法能保证在任何情况下都能获得满意的预测结果。
Period superposition forecasting model is a practical method in mid-to-long-term hydrological forecasting.
周期迭加预报是中长期水文预报的一种实用模型。
Aiming at the features of medium and long-term load forecasting, a comprehensive model for medium and long-term load forecasting based on Analytic Hierarchy Process (AHP) was put forward.
针对中长期电力负荷预测特点,提出了一种基于AHP(层次分析法)的中长期电力负荷预测综合模型。
The solar irradiance measuring is very important for forecasting long-term movement of the climate in the earth.
太阳辐射测量将对预测长期的气候变化提供重要依据。
At the same time, this paper utilizes the improved model based on exponential regressive curve and ARMA model to carry on the medium and long-term electric power demand forecasting in Hunan province.
同时本文利用指数曲线与ARMA的叠加预测模型对湖南省中长期电力需求进行了具体的实证研究。
Gray forecasting model is applied to predict analyzing sorts of long-term accident death totality ranging from 2003 year to 2020 year in the paper.
论文应用灰色模型对我国2003至2020年中长期各类事故死亡总量进行预测分析。
To increase power generating benefits of the pumped-storage station, this paper mainly discussed the program of reservoir dispatching optimization, which based on long-term hydrological forecasting.
为提高蓄能电站发电收益,建立了基于长期水文预报的水库优化调度方案。
An improved model based on RBF neural network for medium and long-term load forecasting is presented. The feasibility and validity o...
实际算例的分析表明,所提出的基于RBF神经网络的缺损数据处理方法和改进的中长期负荷预测模型是可行和有效的。
Chapter 5 introduces the forecasting effect of the long term runoff forecasting model.
第四章具体介绍了预测模型的数据库设计与实现。
The results show that EGARCH is the best model for forecasting long-term volatility. Furthermore, using EGARCH with the Student t-distribution gives better results than with a normal distribution.
实证分析结果表明:EGARCH模型比较适合对我国股票市场波动性作长期预测,若假设收益序列服从t分布,由此改进的EGARCH-T模型会得到比正态分布下更好的拟合与预测效果。
Gas load forecasting include: long-term, middle-term, short-term, very short-term load forecasting.
燃气负荷预测包括长期负荷预测、中期负荷预测、短期负荷预测及超短期负荷预测。
There are many methods for medium- and long-term runoff forecasting, such as time series, multiple linear regression and so on, which often have deviation in forecasting precision.
径流中长期预报一直以来都是人们关注的热点研究问题,常用的时间序列法、多元回归分析法等都存在预报精度偏差过大的问题。
Therefore, this paper takes the study specifically on the forecasting of short-term and long-term price of crude oil futures and naphtha.
因此本文针对原油期货和石脑油的短期和长期的价格预测进行研究。
More reasonable long-term or short-term forecasting is to be made from trend analysis and the trend analysis provides the effective foundation for science decision;
通过趋势分析,可以制定出比较合理的长期或短期预测,从而为科学决策提供有效的依据;
Case study shows that this method is more accurate and faster than single grey prediction and single neural network method. It is a useful method for long term load forecasting.
最后采用我国某省年用电量的预测的算例表明该方法的预测精度优于单一的灰色预测和单一的神经网络预测方法,为电力系统长期负荷预测提供了一种有用的方法。
Case study shows that this method is more accurate and faster than single grey prediction and single neural network method. It is a useful method for long term load forecasting.
最后采用我国某省年用电量的预测的算例表明该方法的预测精度优于单一的灰色预测和单一的神经网络预测方法,为电力系统长期负荷预测提供了一种有用的方法。
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