The improvement of predicting error is mainly due to introduction of general normalized elevation angle function.
引入通用归一化仰角函数是改善预报误差的主要原因。
It has also been validated to have high precision and reliability, the maximal single part predicting error is 4.8%.
通过试验验证了该系统的精度和可靠性,单项最大预测误差为4.8%。
The results show that BP artificial neural network can be used in predicting mechanical properties and grain size of materials after superplastic forming and its predicting error is less than 7%.
结果表明,BP神经网络用于材料超塑性变形后的力学性能及晶粒尺寸预测是可行的,其预测误差小于7%。
All these problems are about assessing risk, or predicting the future, which no one except a fool believes he can do without some margin of error.
所有这些问题都是关于风险评估和未来预测的,除了疯子,谁也不会觉得自己能做到分毫不差。
This article utilizes the character of Gray Theory to predict the economy parameter, and then in order to obtain a better predicting effect, the ANFIS is employed to predict its simulating error.
利用灰色理论本身的特征对经济参数进行预测,并运用自适应模糊神经网络对其拟合误差进行预测,从而达到较好的预测效果。
And discuss the reason of the error in the predicting model of the RH.
并分析了相对湿度预测模型中误差产生的原因。
But the complexity of the problem, the indefinite of the factors and especially the limits of the predicting method made large error between the prediction value and the reality.
但由于问题本身的复杂性、影响因素的不确切性、特别是预测方法的局限性,使得目前需水预测误差较大。
The error analysis and practical use show that combining relating analysis method with BP network method to predicting gas gushing quantity of mining faces is a feasible method.
通过误差分析及实际应用,证明将关联分析与BP网络结合起来开展采面瓦斯涌出量预测是一种可行的方法。
On the basis of those formulas, the predicting formulas of the random breakthrough points errors and the breakthrough error curve are presented at the same time.
推导出了最佳贯通点和横向贯通误差的预计公式,并在此基础上给出了任意点的贯通误差预计公式及贯通误差曲线。
Compared thermodynamic and kinetic predicting model with the experimental results separately, the paper shows that the forecast error is small.
热力学和动力学模型预测与实验结果对比均表明,模型预测误差较小。
The model is good by predicting protein concentration of wheat flour with different unknown sample groups. Its error is less than 1 0.
对不同未知样本进行了预测,结果表明,所建模型具有一定的稳定性,对未知样品蛋白质浓度的测量偏差较小,其最大偏差不超过1 .0。
The calculation error in predicting brake power increases with increasing engine speed and decreases with increasing pressure.
轴功率的计算误差随着转速的增加而增大,随着压力的增加而减小。
The predicting results are in good agreement with the test results, and the maximum relative error is only 7%.
结果是预测结果与试验结果吻合很好,最大相对误差仅为7%。
It has been verified that the possible error of predicting ultimate load by use of the simplified formula will not be greater than 3%, which is permitted in engineering practice.
比较表明,采用简化公式计算引起的误差最大不超过3%,在工程计算所允许的范围内。
GA-BP neural network model is applied in matching and predicting the production of the gas Wells with 5.1% of the average relative error. It proves th...
利用GA - BP神经网络模型对气井产量进行了拟合和预测,拟合的平均相对误差为5.1%,表明新模型适用于洛带气田的产量递减预测。
Through establishing the predicting GM model of corrected residual error, on-line prediction of the target track could be realized in real time, and thus could improve the prediction precision.
该方法通过建立等维新息残差修正GM预测模型,实现了航迹的实时在线预测,从而提高了预测精度。
Through establishing the predicting GM model of corrected residual error, on-line prediction of the target track could be realized in real time, and thus could improve the prediction precision.
该方法通过建立等维新息残差修正GM预测模型,实现了航迹的实时在线预测,从而提高了预测精度。
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