查询词典 error mean square

The accuracy of work is such that the four sides of the base have only a mean error of 0.6 inch in length and 12 seconds in angle from a perfect square.

与正方形相比，工程精确度的误差是长度为0.6英寸，角度为12分。

This method is applied in gasoline Low-Resolution Raman spectra data preproc he max positive/negative error and root mean squares error of cross validation of the partial least square model based on spectra after preprocessing is used to build are selected as criterion.

将其应用于汽油低分辨率拉曼光谱的预处理，并采用预处理后光谱建立的偏最小二乘模型预测值的最大正负误差和交叉检验的均方误差作为指标。

The following conclusions have been reached, milk has an obvious absorption in the mid-infrared band, and the locations of the absorption peak are consistent with the attributes of molecule functional group analysis and the information from FOSS Company; the effects of the factors on the repeatability are below 3‰; For the quantitative analysis, the method of factorial design is applied to optimize the calibration set. The outliers are determined considering the residual variance distribution. The correlations are 0.990 and 0.986 for fat and protein, respectively. The Root Mean of Square Error of Prediction is 0.121 and 0.111 for fat and protein, respectively. With the application of the methods of wavelengths selection, the numbers of wavelength is decreased greatly from 3301 to 100. The speed is accelerated and the accuracy of the calibration is improved to some extent.

结果表明：牛奶在中红外的吸收特性明显，吸收峰的位置与分子结构的谱带归属以及乳品分析仪器的成功厂商FOSS公司提供的资料基本一致；各种因素对光谱测量影响的CV值基本可以控制在3‰以下；在定量检测中，通过析因设计方法优选校正集样品，结合样品的残差图确定奇异点，脂肪模型和蛋白模型的相关系数分别为0.990和0.986，预测均方根误差分别为0.121和0.111，而在采用波长选择对模型进行优化后，波长从3301个减为100个以内，加快了运算的速度，同时还在一定程度上提高了模型的精度。

With process data of blast furnace No.1 in Tianjin Iron Plant, the parameters, Ru and Sita, of model have been optimized based on criteria of predictability, hit ratio, direction hit ratio and mean sum of square error according to each variable respectively.

以可预测率、预测命中率、趋势预测命中率及平均误差平方和为评价标准，确定了各影响因素的警戒参数Ru和滤波参数Sita的优化值范围。

The quantizer can perform dynamic quantization for wavelet coefficients after the determination of the best quantization steps {qi} that minimize the average mean square error at a given bit rate.

在为DWT 系数确定好一组使给定码率下均方误差最小化的最佳量化步长{qi}后，该量化器将能够实现小波系数的动态量化。

The precision tracking for the "S maneuver" targets in 2-D plane was realized by the Monte Carlo simulation, and the root mean square error of position is much smaller than the Singer model.

通过Monte Carlo仿真，实现了在平面内对&蛇形&机动目标位置的准确跟踪，并且距离均方根误差比Singer模型要小很多，从而验证了该方法的有效性。

With comparing the reference values of the sensor-level, the Averaged Root Mean Square Error of position, velocity, and acceleration were found about 77.08%, 60.10%, and 32.31% improved. Also, the performance indexes of position, velocity, and acceleration with the local-processor were found to be larger (about 47.91%, 30.33%, and 12.71%) than with the global-processor, respectively.

经蒙地卡罗电脑模拟结果，验证所采用的联邦α-β-γ滤波器，可减少计算量的负荷，提升滤波器的运算速度，且在全域处理器中使用之资讯融合演算法，无论在位置、速度及加速度之估算误差收歛上，均有优异的性能，相较於感测器层平均效能分别提升了约77.08%、60.10%及32.31%；相较於区域处理器层平均效能分别提升了约47.91%、30.33%及12.71%，验证本研究所提出之资讯融合演算法，可明显改善追踪精确度。

With adjusting the epoch time and ephemeris data at the criteria of constraint Least-Mean-Square-Error, the geolocation accuracy can reach 2 pixels in the whole images; and it can be improved to approximately 1 pixel in the whole images and less than 1 pixel at nadir by considering the spacecraft attitude deviations moreover.

如果进行历元时刻和卫星轨道根数的约束最优调整，导航定位精度在整条轨道大范围内可提高到2个像元左右；如果再加入卫星姿态偏差的校正，导航定位精度在整条轨道大范围内可稳定提高到1个像元左右，在星下点附近小于1个像元。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。