Test of goodness of fit proved that when the index of aphid degree was less than 80 and the samples were more than 100, the quantity estimation accuracy was as high as 90%.
对该分级标准及回归模型的拟合检验结果表明,当蚜情指数小于80、抽样量在100株以上时,对蚜量的估计可达90%的准确度。
Such regions can indicate not only the extent of likely estimation errors but can also reveal whether the estimate for one quantity is too large then the other is also likely to be too large.
这些区域不止能指出可能的估计错误,而且能告诉我们这个估计值对于这个数量是不是太大,从而得知其他也有可能会太大。
Abstract: BP network is applied in quick estimation of parts cost of Bill Of Quantity(BOQ) in this paper. It provides a new calculation method and theory for meter cost of sub-project.
应用BP神经网络算法对工程量清单的分项工程价格进行快速估算,为分项工程单方造价提供新的计算方法和理论。
Estimation of unknown noise statistics quantity and estimation of signal states are alternatively done, this method is applied to GPS positioning, Computer simulation shows the approach is efficient.
将未知噪声统计量的估计与信号状态估计交替进行的算法引入G P S定位,计算机模拟结果表明效果很好。
Abstract: BP network is applied in quick estimation of parts cost of Bill of Quantity (BOQ) in this paper. It provides a new calculation method and theory for meter cost of sub-project.
[摘要]应用BP神经网络算法对工程量清单的分项工程价格进行快速估算,为分项工程单方造价提供新的计算方法和理论。
The sampled stator voltages and currents were conversion to digital quantity and given to speed estimation system for estimating speed, then contrast it with the actual measured motor speed.
将采样得到的电机定子电压和电流转换为数字量后输入到转速估计系统来估计转速,并跟实际测得的转速进行对比。
Then, a linear estimation process is used to obtain the relative quantity of estrogen receptors.
在此以后,用线性估计方法来得到雌激素受体的相对量。
The misconceptions in estimation concept of circle due to visualization, insufficient quantity sense etc.
在圆估测的迷思概念上,主要是儿童对量感不足,而导致视觉估测错误。
In the process of image matching, a sub sample stencil is used by this multi tracing vector estimation method in order to reduce the quantity of calculation.
在图象匹配的过程中应用亚采样模板有效地降低了该方法的计算量。
And estimated the unknown quantity using the methods of least square estimation and local polynomial estimation, obtained the consistency of estimation under certain condition.
在半参数回归模型中采用最小二乘估计方法结合局部多项式方法来估计未知量,在一定条件下得到了估计量的相合性。
It would be absurd that, while in estimating all other things quality is considered as well as quantity, the estimation of pleasure should be supposed to depend on quantity alone.
在评价其他所有事物时一并考虑质量和数量,而评价快乐时却只依赖数量,这样的做法将会是荒诞的。
GPS, Short baseline, Sample quantity, Precision estimation.
GPS定位,短基线,子样容量,精度评定。
The fuzzy model for earthquake-caused disaster forecasting is extended to include the estimation of quantity of various kinds of buildings with different damage grades.
运用笔者建议的基于模糊近似推断原理的震害预测总体模型,可以得到一个城市或一个地区适当划分的每个小区的各类建筑物的震害度。
The fuzzy model for earthquake-caused disaster forecasting is extended to include the estimation of quantity of various kinds of buildings with different damage grades.
运用笔者建议的基于模糊近似推断原理的震害预测总体模型,可以得到一个城市或一个地区适当划分的每个小区的各类建筑物的震害度。
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