查询词典 mean square deviation

Image enhancement ; genetic algorithm ; fitness ; mean square deviation ; information entropy ; fuzzy compactness

影像增强；遗传算法；适应度；均方差；信息熵；模糊紧支度

Simulation result shows that, our peer-to-peer network architecture has less maximum load of single node and load mean square deviation of overall nodes than Chord.

仿真实验结果表明，单个节点的最大注册用户负载量和节点负载量均方差均小于Chord对等网络。

The temperature of solid vibration gyroscope developed by ourselves was measured, analyzed and corrected. At last, the mean square deviation reduced from 31.4182 to 0.5477. The experiment results proved that the design of soft and hardware is effective.

设计了一个温度测试与补偿系统，对压电陀螺进行了温度误差的测量、分析与补偿，将陀螺角度测量均方差从31.4182降至0.5477，证明了软硬件设计的有效性。

This was achieved in terms of quantitative measure of the correlation coefficient between these energy items and the root mean square deviation of backbone atoms from the native complex structure.

最后，我们将静电和修正的ACE水化能结合作为打分函数用于36个蛋白质复合物体系的对接研究，进一步证实了这两种能量项的组合能有效地将近天然结构从分子对接模式中区分出来，可以用作蛋白质-蛋白质对接中的打分函数。

Prediction results of indepe ndent and dependent samples show that the RMS errors of SSTA predicted in 10～12 months ahead are smaller than SSTA mean square deviation and that the relative e rrors in 5 months ahead are less than 50%.

经检验，对于非独立和独立样本，预报的均方根误差分别在12个月和1 0个月预报时效内小于SSTA的均方差，相对误差在5个月预报时效内都小于50％。

In the proposed algorithm the traditional fixed step size iteration is substituted by time-varying step size iteration to improve the accuracy of directional estimation while the minimum mean square deviation is solved to achieve the purpose of increasing the convergence speed of the proposed algorithm.

以一种时变步长迭代方法取代传统的定步长迭代法，旨在提高算法在求取均方差最小值的过程中方向估值的精度，从而达到提高算法收敛速度的目的。

The deformation damage object is defined as the max damage of all elements in net forging and the deformation uniformity object is defined as mean square deviation of the equivalent-strain in each element and the average equivalent-strain of all elements.

用锻件所有单元的最大损伤值作为衡量锻件变形损伤的指标，用锻件所有单元体的等效应变与整个终锻件的平均等效应变的均方差，作为锻件变形均匀性的指标，构造了多目标优化问题的评价函数。

This article selects 2473 experimental data of coal gange light aggregate concrete cubic strength on the spot in Fuxin, calculates their average value, mean—square deviation and coefficient of variation, and makes regression analysis.

本文收集了阜新市煤矸石轻骨料混凝土立方强度的现场试验数据2473个，统计了它们的平均值、均方差和变异系数，并进行了回归分析。

When the mean square deviation between point set obtained by iteration and attractor become the minimum, the prediction value can be used as the function value of the point to be extrapolated.

该算法利用内区间的迭代函数系和吸引子由特定初始点进行搜索，通过迭代使得到的点集与吸引子的均方偏差最小，从而获得需要外推点的函数值作为预测值。

The modified method can satisfy the limit of mean square deviation within 10W/m^2, and the average relative error is about 25%.

计算结果与西沙实测资料、长年代的GSSTF2资料和NCEP/NCAR再分析资料进行比较验证，证明改进后的方法精度较高，基本可以保证湍流热通量的平均标准偏差在10W/平方公尺左右，与多年的月平均做比较，相对偏差为25%左右；同时，不仅首次将计算热通量的空间尺度精确到0.1°×0.1°，而且基本模拟出了南海季风暴发期间热通量变化的主要特点以及中国近海热通量随季节、纬度和海岸地形的变化特征。

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。