Certain sales volume prediction model established on the basis of regression analysis method has higher prediction precision to the types of commodity that closely related to the change of seasons.
运用回归分析方法建立的某类销售量预测模型,对季节变化关联较强的商品的销售量有较高的预测精确度。
Being used the inversion method based on porosity of reservoir, the prediction precision has then been increased.
改用以孔隙度为基准的反演方法,提高了储层预测的精度。
Results Build two kinds of ANN forecast models of HFRS incidence They are better than traditional method on prediction precision.
结果建立HFRS发病率的两种ANN预测模型,其预测精度远远高于传统方法。
The algorithm can evidently reduce the coding overhead for disparity information with the same prediction precision.
与传统算法相比,在相同预测精度下,明显降低了视差信息编码开销。
And the prediction precision of the mathematic model also increases as volatility of evaporation liquid decreases.
随着蒸发液体挥发性能的减弱,新建模型的预测精度增加。
The prediction precision and the ability of noise elimination are improved by introducing space distance of central point as fit parameter into predicting process.
将中心点的空间距离作为一个拟合参数引入预测过程,提高了预测精度和消噪能力。
It is testified by instance that the relative error of stimulated annealing grey model is smaller than traditional grey model's and it has improved the prediction precision.
经过实例检验,改进的模拟退火-灰色模型的相对误差比传统灰色模型小的多,提高了预测精度。
The comparison, between RBF and BP, proves that RBF has a faster convergence rate, a higher prediction precision and a bright prospect of engineering application.
对比了RBF和BP预测方法,结果表明,RBF方法收敛速度快、预报精度高,由此也证实了其具有的工程应用前景。
The prediction precision of spectral analysis is very low, but the main period variations can be determined.
用谱分析进行钟差预报的精度不高,但可以发现钟差时间序列中的主要周期变化;
The prediction of helicopter track with grey system theory involves less dictation data and gives a higher prediction precision.
而用灰色系统预测直升机航迹,只需用较少的探测数据,就可以得到较高的预测精度。
It improves the unequal interval gray forecast model, and the prediction precision is improved.
弥补了传统非等间距原始数据预测模型的不足,提高了灰色预测的精度。
Finally by training the network is trained using cutting dates, so the prediction precision of each model is compared.
最后利用切削样本数据对网络进行了训练,并同分析模型在拟合精度与预测精度方面进行了比较。
Result: ANN forecast model of HFRS incidence was built with high prediction precision.
结果:建立HFRS发病率的ANN预测模型,其预测精度高。
It is shown that this method renders convenient calculation, rational results, high prediction precision, and its outcome can provide reference for groundwater exploitation in irrigation area.
结果显示,该方法计算方便,结果合理,且预测精度较高,可为灌区地下水开采提供参考。
Simulation result shows that GMDH method can be applied to nonlinear system modeling successfully and has such advantages as higher prediction precision and good calculation stability, etc.
仿真结果表明,用GMDH方法建立非线性系统模型,具有预测精度高、计算稳定性好等优点。
Theoretical analysis and simulation showed that this algorithm can improve the prediction precision, reduce the limitation to head motion, and decrease visual delay effectively.
理论分析和仿真检验都表明,该算法明显地提高了预测精度,减缓了图像的抖动和对操作者头部运动的限制,有效地减少了视觉延迟。
The model had higher prediction precision compared with traditional regression model.
该模型比传统回归模型有着更高的预测精度。
Compared with another method proposed by Knoebel and others, the models are of both certain mechanism and better prediction precision on the whole.
与国外一种同类研究方法相比较,本文所提出的模型具有一定的机理性和更好的整体预估精度。
Experiments show that the method can improve the simplicity and the prediction precision of classifying rules.
试验表明,该算法有效提高了分类规则的简明性和预测精度。
The calculated compressibility factors were compared with the published experimental results. Furthermore, several significant factors influencing the prediction precision of EOS were proposed.
并将理论计算得到的压缩因子与试验结果进行了对比分析,得出了影响状态方程预测精度的几个重要因素。
To improve prediction precision is the most radical objective in short term load forecasting (STLF).
提高预测精度是短期负荷预测的基本目标。
The model had higher prediction precision compared with traditional regression model.
比较各方法预测精度,赋予不同权重,建立组合预测模型。
The model has the advantages of gray model and Markov mode and has a good prediction precision.
模型兼有灰色预测和马尔可夫预测的优点,预测精度较高。
The results show that using the GM (1, 1) model to forecast the tax data involves a smaller sample and less information. It's easier to build the model and the prediction precision is better.
结果表明,用GM(1,1)模型对税收数据进行预测,不仅所需样本小、信息少,而且建模简单,具有很好的预测精度。
The case study showed that the time dependent parameter model has high prediction precision.
实例计算表明,时变参数预测模型有望提高模型的预测精度。
Through application of this model to the actual project, we find that the new model has a better prediction precision and achieve ideal results.
通过这个模型,在实际项目应用中,我们发现,新的模型具有较好的预测精度,达到理想的效果。
Example taken from Datong mine area is presented here and it shows that the prediction precision may satisfy the demands of practice.
从计算结果可以看出,预测的精度满足了生产矿井的实际需要。
The combined use of above method and the metabolic fractal interpolation forecasting model provides new idea and new method for improving the runoff prediction precision.
并将该方法与新陈代谢分形插值预测模型结合使用,为有效提高径流预测精度提供了新思路和新方法。
The combined use of above method and the metabolic fractal interpolation forecasting model provides new idea and new method for improving the runoff prediction precision.
并将该方法与新陈代谢分形插值预测模型结合使用,为有效提高径流预测精度提供了新思路和新方法。
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