查询词典 root mean square error

Different distribution functions resulted in nearly identical soil moisture, and the average relative root mean square error were below 3.5%.

不同根系分布下土壤水分模拟差别不大，平均相对均方根误差在3.5%以下。

Simulation results demonstrate that the average one-hop distance is estimated more exactly in the proposed algorithm than that of DV-Hop, the root mean square error is decreased and the location precision is improved.

仿真结果表明，与DV-Hop算法的平均跳距离估计算法相比，本文算法更准确地估计平均跳距离，降低了均方根误差，并提高了定位精度。

In the 60% of the active area of 1×1 cm2 PSD, the position root mean square error was less than 3 μm , the position non-linearity was less than 0.05%. This modified equation can be fit for all tetra-lateral PSDs.

对于1×1 cm2的PSD，在60%光敏面的区域内均方根误差小于3 μm，非线性度小于0.05%，该公式适用于所有的四边形PSD，对于PSD的实际应用具有重要意义。

In addition, with the use of the parameters such as entropy, cross entropy, mutual information, root mean square error and peak to peak signal to noise ratio, the performance of the fusion scheme is evaluated and analyzed.

此外，利用熵、交叉熵、互信息、均方根误差、峰值信噪比等参量，对该融合方法的融合性能进行了评价与分析。

In this method, the decision-making variables of GA are the unknown quantities of the non-linear equations, the target function for optimization is the minimum of the root-mean-square error between the computational value on the left and the real value on the right in equations, and the initial value is generated randomly in the feasible fields of the decision-making variables.

该算法以非线性方程组的待求量为决策变量，方程组两端向量的均方差最小值为目标函数，初值在决策变量可行域内随机产生。

The weight is determined by root-mean-square error method and the weight is modified by exponential smoothing method.

利用最小二乘法对该预测进行了改进，进一步扩大和提高了模型的应用范围和实用性。

The RBFNN model gave a correlation coefficient (R~2) of 0.8464 and root-mean-square error of 0.1925 for the test set.

两种方法的相关系数(R~2)分别为0.8400和0.8642，相应的均方根误差为0.1577和0.1562。

In addition, compared with the conventional approach, the proposed method gives a better prediction, both in terms of coefficients of determination and root-mean-square error.

此外，相较於传统的分析方法，由判定系数与误差均方根亦可看出，类神经网路模式具有较佳的准确度。

The correlation coefficient (R2) for the LM and SVM was 0.98 and 0.92, and the corresponding root-mean-square error was 0.99 and 2.77, respectively.

两种方法的相关系数(R2 )分别为0.98和0.92，相应的均方根误差分别是0.99和2.77。

The model was built by partial least squareregress.Compared to the model using the whole original spectra,the root mean square error of predictionof glycerol gonolaurate and lubricant was improved from 7.9557 to 6.6787,and 0.2383 to 0.1031 respectively.(4)In uninformative variable eliminationalgorithm,the cutoff threshold of UVE is evaluated by adding a noise matrix which size is the same with instrumental response data.

提出的方法应用于月挂酸成分预测的红外光谱和机油分类的可见-近红外光谱中，用偏最小二乘回归建立模型，相比于用全光谱建立的模型，月挂酸的成分预测均方根误差分别从7.9557提高到6.6787，机油分类的成分预测均方根误差从0.2383提高到

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。