An initial forecast model of BP neural networks is established, and is trained using the history data of our hospital inventory.
建立了一个BP神经网络初始预测模型，并用医院库存的历史数据进行了网络训练。
A variational method for retrieving wind vector from single-Doppler wind measurements is developed and the initial forecast fields are created from the retrieved winds.
文中给了一种由单多普勒雷达资料反演风矢量场的变分方法，并由此形成预报初始场。
The initial estimate surprised most economists, who had forecast at least some growth, and reignited fears of a "double dip" recession.
这一初始估值让多数经济学家大跌眼镜，在他们的预计中，至少应该有所增长。
The initial estimate surprised most economists, who had forecast at least some growth, and reignited fears of a “double dip” recession.
这一初始估值让多数经济学家大跌眼镜，在他们的预计中，至少应该有所增长。
US data yesterday were mixed, with existing home sales falling less than had been expected but initial jobless claims higher than forecast.
美国昨日发布的经济数据好坏参半，现房销售的下降少于预期，但初次申领失业金的人数高于预期。
The Markov method can forecast the future state of things by studying the initial probability of differ states and transfer probability among the stages.
马氏链预测法是通过对事物不同状态的初始概率及状态之间的转移概率的研究，预测事物的未来状态。
The results show that the optimal initial field produced by BDA scheme is closer to the observations and the forecast accuracy for both track and intensity is improved effectively.
结果表明，经过BDA方案优化的台风初始场更加接近实际台风的结构，有效地提高了台风路径和强度预报的准确率。
Lower production in Pakistan, where floods are expected to wipe off 8 per cent of output, has led to a reduction in the initial 4 per cent production growth forecast, to 2.6 per cent.
巴基斯坦由于遭受了洪水灾害，预计奶产量将降低8%，因此，其奶产量从最初预测的增长4%减少到了增长2.6%。
Data assimilation can give a better initial field, therefore the short-range storm surge forecast has an obvious amelioration.
资料同化能够提供更为合理的预报初始场，对风暴潮的短期预报有较明显的改进。
So, numerical simulation to forecast individual well initial productivity of Tarim oilfield has been formed and reservoir initial production numerical simulation software has been developed.
为此，建立了预测塔里木油田单井初始产量的数值模拟方法，研制了预测初始产量的数值模拟软件。
The results show that TC initial position perturbation make its track different, but ensemble mean is close to control forecast.
试验结果表明：热带气旋定位误差影响路径预报，但扰动初始位置的集合平均预报与控制试验的预报水平相接近。
The result shows that the accurate initial data plays an important role in correct forecast of heavy rain.
结果表明，精确的初始场信息对于高质量的预报是重要的。
The Xin'anjiang model was calibrated under daily forecast mode by using various hypothetical initial conditions of the catchment with the SCE UA optimization algorithm.
在假设流域诸多初始条件下，使用SCEUA优化算法通过日模型率定新安江模型。
The methods of the predictor selection in the temperature forecast, the determination of the initial value in the filter process and the revision of the recurrence coefficient are introduced.
介绍了利用卡尔曼滤波制作温度预报的一种因子选取方法和滤波过程中初值的确定、递推系数修正的处理办法。
It discusses new methods including in out boundary element method and forecast of temporary supporting pressure during the initial stage of excavation.
内外边界元方法和开巷初期临时支护压力预测等新方法。
To solve the uncertainty of initial fields in the traditional numerical forecast, medium-range ensemble forecast experiments using the model T106L19 were made.
为解决传统的数值预报初值存在的不确定性，利用增长模繁殖法在T106L19全球谱模式上进行了中期集合预报试验。
The test result shows that the forecast efficiency is strongly determined by the initial value of the mesoscale moisture at the mid level and low level.
试验结果表明，模式降水预报效果强烈地依赖于中低层中尺度水汽初值。
The development plan and its forecast of those gas condensate reservoirs are not right, because of various reasons and representative PVT samples of the initial development are not available.
由于各种原因，气藏开发初期可能未取得代表性PVT样品或未进行取样，气藏开发方案设计和预测将不准确。
The main period about 40,25,10 and 4-7 years are found. Based on this, we can forecast the lack of rainfall in Wuhan city in initial stages of this century.
指出武汉市主汛期降水存在40年、25年、10年、4—7年左右的周期振荡，并由降水的周期性推知本世纪初武汉市汛期将进入下一个少雨时段。
The SGP4 orbital forecast model is given. And the initial selection of two-line element is analyzed at the same time.
给出了SGP4解析轨道模型的具体形式，分析了双行元初值的选取方法。
The SGP4 orbital forecast model is given. And the initial selection of two-line element is analyzed at the same time.
给出了SGP4解析轨道模型的具体形式，分析了双行元初值的选取方法。
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