The complex and effective nonlinear forecasting method is realized by a relative simple method.
以一种相对简单的途径实现了神经网络这种复杂而有效的非线性预测方法。
Predictable time scale of the evolution of chaotic rock mass dynamic systems is one of the most important parameters in nonlinear forecasting theory.
岩体混沌动力系统演化过程的可预测尺度是非线性预测理论研究的重要内容。
In this paper, a method to select some nonlinear predictors and to build a nonlinear forecasting equation was proposed based on optimization principles.
本文根据最优化方法原理，提出了选择非线性最优预报因子和建立非线性预报方程的办法。
The discovery of long memory suggests possibilities of constructing nonlinear econometric models to improve price forecasting performance.
长期记忆性的存在使得有可能通过建立非线性经济计量模型以改进价格预测效果。
In this paper, a new model system is introduced, which synthetically applies time series model, nonlinear regression and combination forecasting model to forecast the change of the market price.
文章通过对一套市场价格预测模型体系的介绍，综合运用时间序列模型、多元非线性回归和组合模型来预测市场价格走势，探索从多角度综合预测市场价格的问题。
Because stock forecasting is a uncertain, nonlinear and nonstationary time series problem, it is difficult to achieve a satisfying prediction effect by traditional methods.
由于股票预测是不确定、非线性、非平稳的时间序列问题，传统的方法往往难以取得满意的预测效果。
On the basis of it, nonlinear function of nerve network is used for forecasting irrigation supply in irrigation area, and examine the data of Penglou irrigation area in Liaocheng of Shandong.
在此基础上，再利用神经网络的非线性特征对灌区的灌溉供水量进行预测，并且对山东聊城彭楼灌区的数据进行了验证。
Using nonlinear SD techniques, a model of technician system is proposed for forecasting and planing. Some complicated dynamic behaviours in the model are discussed also.
本文运用非线性系统动力学方法，建立了技术人才预测和规划模型，并对其中的复杂动力学行为进行了探讨。
The research on forecasting method of chaotic economic time series is the important part of the nonlinear chaotic economic dynamic systems.
混沌经济时间序列的预测方法研究是混沌经济非线性动力系统的重要内容。
Based on the analysis of contributing factors, a model of parameterized combination operator in air pollution forecasting is presented, which is suitable to nonlinear problems.
在成因分析的基础上，建立了大气污染物浓度预测的参数化组合算子模型，适应非线性问题。
Compare to them, the result was that the nonlinear combinatorial forecasting method applying to the runoff forecasting based on the wavelet network can improve the forecast precision.
又小波网络较神经网络有更多的优点，通过比较，证实基于小波网络的非线性组合预测方法用于径流预报中更能提高预测的精度。
Fourthly, using this model based on risk nonlinear addition solves the portfolio's risk linear addition problem in SPAN system, and this will help us to get more practical forecasting value.
四是通过基于风险非线性叠加建立的期货组合风险评价模型解决了SPAN系统中期货组合风险的线性叠加问题，从而得到更合理的组合风险预测值。
Weighted harmonic means combination forecasting based on degree of reciprocal grey incidence is a new kind of nonlinear combination forecasting method.
基于倒数灰色关联度的加权调和平均组合预测模型是一种新的非线性组合预测模型。
Weighted geometric means combination forecasting is a kind of nonlinear combination forecasting method.
加权几何平均组合预测为一种非线性的组合预测方法。
From the viewpoint of nonlinear dynamic system theory, the substance of load forecasting by the loads in similar days is the forecasting for the behaviors of equilibrium points and quasi-periods.
从非线性动力系统理论角度看，相似日预测的实质是对负荷序列中平衡点和准周期行为的预测。
As a result, it is necessary to replace the traditional statistic model with nonlinear model that can deal with imperfective information in order to improve the quality of forecasting stock market.
股市的运行是一个非常复杂的不完备的非线性过程，因此，需要用对不完备信息进行处理的非线性模型代替传统的统计模型，以便进一步提高股市预测的质量。
To improve accuracy of forecast, the paper utilize advanced BP neural network to design for nonlinear combining forecasting model.
为提高预测精度，解决非线性组合预测中的困难，利用改进BP神经网络对非线性组合预测模型进行了设计。
Since the forecasting performance of nonlinear systems is obvious, but the time needed to train the neural network to a large number of sample data as the basis.
由于非线性系统的预测性能很明显，但其训练神经网络的时候需要以大量的样本数据作为基础。
However, most of the traditional prediction models are linear, which are inappropriate for nonlinear fitting. Thus, it's an urgent need to study new models for infectious diseases forecasting.
而传统的传染病预测模型大多以线性模型为主，难以进行理想的非线性拟和，故迫切需要建立新的预测模型来开展科学预测研究。
After determining duality nonlinear functions of two subsystem, we give the general form of yield loss forecasting model.
在两个亚系统的二元非线性模式确定以后，给出了产量损失预测模型的一般形式。
Weighted geometric means combination forecasting based on degree of logarithm grey incidence is a new kind of nonlinear combination forecasting method.
基于倒数灰色关联度的加权调和平均组合预测模型是一种新的非线性组合预测模型。
With respect to modeling and forecasting or relative decision of some other nonlinear economic system, the method is available.
所给设计方法对类似的非线性经济系统的走势研判或其相应预测决策具有很好的应用价值。
According to the nonlinear characteristics of landslide displacement time series, the nonlinear chaotic model is presented applying the forecasting method of chaotic time series.
根据滑坡位移时间序列的非线性性质，应用混纯时间序列预测方法，建立滑坡预测的非线性混纯模型。
The stability of nonlinear computation is important in numerical mathematics, computing physics and numerical weather forecasting.
非线性计算稳定性是计算数学、计算物理、计算气象等学科中的一个重要问题。
The stability of nonlinear computation is important in numerical mathematics, computing physics and numerical weather forecasting.
非线性计算稳定性是计算数学、计算物理、计算气象等学科中的一个重要问题。
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