具体如回归预测法、指数平滑法、灰色模型预测法、BP神经网络法、RBF神经网络法。
Such as the return of specific prediction method, smoothing index, grey model prediction, BP neural network, RBF neural network .
利用生长模型预测法、马尔科夫链预测法和回归模型预测法对玉米矮花叶病发生流行进行预测,并对玉米矮花叶病损失估计进行了初步探讨。
Maize dwarf Mosaic was predicted using growth model forecasting method, Markov chains forecasting method and regression model forecasting method. And yield loss of MDM was assessed.
提出了一种有效的微蜂窝电波传播预测模型,该模型基于射线跟踪法和UTD理论,并使用辐射源树的方法。
This paper presents an effective radio wave propagation prediction model by using radiation sources tree for microcellular environment. This model is based on ray-tracing and UTD.
并进行了RBF模型与区域水均衡法的检验与对比,进一步验证了预测结果的可靠性。
Then, the results of BP are compared with that of RBF model and regional water equilibrium method. This tests the reliability of forecast results.
本文试图引用灰色系统理论两种不同的数学模型,提出了滑坡灰色灾变预测法。
This paper attempts to use two kinds of mathematical model of grey system theory, presents a forecasting method of grey hazard of landslide.
应用最小能量法建立了圆弧刃切削的切削模型,预测分析了其流屑方向,进行了试验验证。
The cutting model of circular tool is set up with least energy by theoretic analysis, the flow direction is forecasted, and the feasibility is validated.
本文采用混沌局域预测法建立了一个线性模型对浸润面实测数据进行预测,预测结果表明,建立的混沌预测模型计算量较小,易于操作且预测精度较高。
The results show that the calculating quantity of the proposed forecasting model is less and the model is prone to be operated and the precision of forecasting is better.
采用组合预测法对能很好反映负荷变化规律的模型赋予较大的权重,从而提高负荷预测精度,示例计算表明组合预测法的预测精度明显高于各单一模型的预测精度。
The combination forecasting method gives bigger weight to the models, which better conform with the variation of power load, and improves the precision. The sample calculation shows the truth.
针对峰值法中测量路径规划问题,提出了基于参数模型学习的神经网络预测器。
Aiming at measuring path planning by using peak value, neural network predictor based on parameter model is presented.
采用傅立叶变换近红外(NIR)光谱法建立了烟草中钙含量的NIR数学预测模型。
A mathematical prediction model of calcium in tobacco with FT-NIR spectrometry was established.
笔者结合公路旅游客运的特点,提出了地区旅游客运总量的“弹性系数法”的常规预测模型;
Closely related to the characteristics of road tourist transport, this paper comes up with a regular predictive model, Elasticity Coefficient Method, about regional total volume of tourist transport.
基于四阶段法,采用双重力模型,预测全国空域的交通流量OD分布。
The four stage method and a double gravity model were used to forecast the OD(origin-destination) distribution of air traffic flow in the whole airspace of China.
利用BP神经网络预测模型融合正交实验法对化学镀工艺进行优化。
The technology optimization of electroless plating can be predicted by BP neural network and orthogonal experiment.
针对NARMA模型,提出了预测控制滚动优化的两级协调法。
A two level coordination algorithm is presented for moving horizon optimization of predictive control based on NARMA model.
令人惊讶的是,评价结果显示,在个体顾客层面上,使用复杂的统计模型所作的预测并不比简单的管理启示法更好。
Surprisingly, the evaluation shows that on the individual customer level, the predictions made by the sophisticated stochastic models do not outperform the simple managerial heuristics.
通过对某地的年用电量进行预测分析,并与传统的基于“直接搜索寻优”法建立的综合预测模型进行比较、分析。
The annual power demands of a region are forecasted, analyzed and compared with those forecasted by the integrated forecast model based on "optimization of direct search".
以水均衡方程为基础,应用时间序列分析法,建立系统管理模型,对地下水资源系统进行系统运行控制、预测和管理。
Systematic management model is set up by time series analytic method based on water balance equation to control, predict and manage groundwater resources system.
鉴于其不能对未来进行预测,提出了应用注采曲线法同hcz模型相结合对现场注入蒸汽及稠油产量进行预测的方法。
Because it can not predict the future index, this paper combine the injection-production-curve method with HCZ model, find the method of predicting steam injection and heavy oil production.
回归分析法、灰色系统模型法和指数平滑法是目前常用的水上交通事故预测方法。
Regression analysis, grey-system and exponential smoothing method are in common use as forecasting methods of maritime accidents nowadays.
通过建立典型模型,运用数值模拟预测法和最优分割法,制定了复杂韵律层重组的技术政策界限。
The limit of technical policies for complex rhythmite reconstruction is developed by establishing typical model and using numerical modeling predicting method and optimal segmentation.
在实测资料统计分析基础上,建立了高陡山区房柱法地下开采岩体移动变形预测分析模型,并给出了岩体变形破坏的极限值。
The theoretical formulas are developed and applied to the prediction of the rock mass displacements and deformations due to underground mining by pillar-and-room method in mountain areas.
对原有指数平滑法进行市场预测,在此基础上建立了二次指数平滑法的预测模型,进而提出了三次指数平滑法的预测模型。
To make market prediction of former index, based on which build the prediction model of two dimension index and then bring about the prediction model of three dimension index.
递归预测法便于计算机实现,并进而进行预测模型发现,模型选择和预测的自动化工作。
Recursive forecasting method is easy to be implemented on computer and thus makes forecasting model discovery, model selection and forecasting automatic.
还建立了基于最小二乘法曲线拟合与指数平滑法的需求量预测模型。
Additionally, a model of demand forecast, which bases on methods of least square and exponential smoothing, also be made.
通过对模型和实例的分析,证明曲面磨光法在构造预测,特别是对隐伏断裂构造的预测是相当有效的。
Through the analysis of models and examples, results show that the curved surface smoothing method is feasible for the structural forecast, especially for buried fractured structure forecast.
简要介绍了马尔科夫转移矩阵预测法的基本概念,给出了用C语言构造的马尔科夫链预测模型程序及运行方法。
This paper briefly introduced the basic conception of Marekove shift matrix forecast method and put forward the formation procedure and running method of Marekove chain forecast model with Language c.
为了提高新息改进GM(1,1)模型的预测精度,引入累积法对新息改进GM(1,1)模型的参数进行估计,给出了新的参数估计公式。
In order to improve the forecast precision of modified GM (1, 1) model, a new parameter estimation formula based on accumulating method to modified GM (1, 1) model is proposed.
根据母子相亲机制和V形调控模型,以及回文规则,我们设计出了一种尾随片段搜索筛选法,预测真核生物基因的互控关系。
According to MSAF, V GRM and the palindrome rule, We designed a tail segment searching filtration method, predicting gene regulation relationships of eukaryotes.
根据母子相亲机制和V形调控模型,以及回文规则,我们设计出了一种尾随片段搜索筛选法,预测真核生物基因的互控关系。
According to MSAF, V GRM and the palindrome rule, We designed a tail segment searching filtration method, predicting gene regulation relationships of eukaryotes.
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