mean square deviation
英 [miːn skweə(r) ˌdiːviˈeɪʃn]
美 [miːn skwer ˌdiːviˈeɪʃn]
均方离差；标准差
双语例句
- Evaluation of Groundwater Quality Based on Multi-model of Mean Square Deviation and Fuzzy Synthetic Judgments
基于均方差-模糊综合评判复合模型的地下水水质评价 - Kalman-Filter-based optimal observation scheme is a Bayesian method, which improves observation locations by minimizing the expectation of the root mean square deviation ( RMSD) of the analysis field.
最优观测方法是一种不需要直接同化观测，而通过最小化分析场误差方差理论值来选择最优观测点的方法。 - Matrix Volume Method of the Mean Square Deviation Computation of Least Square Solution
最小二乘估值均方差计算的矩阵体积法 - The mean value and mean square deviation of the performance parameter were approximately calculated by first-order Taylor series expansion, and the probability which meet constraint conditions can be obtained by reliability index calculation.
采用Taylor级数一阶展开近似计算性能参数的均值和均方差，通过可靠性指数计算满足约束条件成功的概率。 - The reason is that the formula of calculating mean square deviation in regression analysis is unsuitable.
研究发现其根本原因是回归分析中均方差计算公式不合适。 - The simulation results show that the semi-soft threshold denoising method reduces the noise effectively, improves the ratio of signal and noise, retains the detail of image and obtains the minimum mean square deviation. It finds some application in engineering.
仿真结果表明：半软阈值去噪方法有效地抑制了噪声，提高了信噪比，同时保留了图像细节，获得了最小的均方差，具有一定的应用价值。 - The root mean square deviation between the model calculation result and measured value of air temperature is less than 1 ℃, because different factors such as urban layout, street runs and vegetative coverage are fully taken into account.
由于模型全面地考虑了城市布局、街道走向、植被覆盖率等多种因素，CTTC和STTC数学解析模型的计算结果与空气温度实测值的均方根误差小于1℃。 - The contrast between mean deviation and root-mean-square deviation for designation index of variation
标志变异指标中平均差与标准差的对比问题 - The paper simply reviews the application of quantification method in accident loss statistics, and proposes the method of mean square deviation analysis to determine the weight coefficient of simples.
简要介绍了事故损失统计中一些量化方法的应用，同时提出用方差分析来确定加权系数的取舍。 - Design of cocoon matching methods is a common measure to narrow the mean square deviation and enhance the quality of raw silk in multi end reeling.
设计配茧方法是做小立缫生丝均方差，提高生丝品质常用的方法。 - The nonuniform coefficient is defined as the ratio of mean square deviation of mean interval discharges in a year to mean annual discharge of the year and it is a standard statistics.
该方法以年内各时段平均流量的均方差与年平均流量的比值作为径流年内分配的不均匀系数，用标准的统计量定量描述径流年内分配的不均匀性； - Based on the uncertainty and inaccuracy characteristics, runoff series could be divided into different states via mean square deviation method of data series.
基于径流过程不确定性、不精确性的特点，利用资料系列的均方差方法把径流序列分为不同的状态。 - With minimizing objective function-the mean square deviation of storm formulation, the parameters are optimized directly by application of Genetic Algorithms ( GA).
以公式均方差最小为目标函数，利用遗传算法优化暴雨公式参数。 - The mean square deviation was used to calculate the weight, and compositive appraisement method of hierarchy multiplayer and the linear weighted function were introduced to build the two levels and integrated indicator of health diagnoses model – the health index.
以均方差决策法确定了各指标的权重，运用递阶多层次综合法、线性加权函数法分别建立了二级层次和综合指标健康诊断模型――健康指数。 - If the average value of Poisson distribution is very large, the Poisson distribution can be transformed into the Gauss distribution, on this condition its mean square deviation(σ 2) is equal to average value ( A).
如果油松分布的平均值很大，那么泊松分布可以转换成高斯分布，这时，它的均方差等于平均值。 - Too small baseline and too big mean square deviation of time measure result in poor precision of navigation, and eccentricity of concomitance-satellites 'elliptical orbit is also restricted.
编队的构型对定位精度有很大影响，其中基线长度不能过小，时间测量误差均方差不能过大，否则定位误差会急剧增加，伴随卫星椭圆轨道偏心率也存在一定界限。 - A CAD method for design of system with smallest mean square deviation
最小均方误差系统的计算机辅助设计 - The result of the mean square deviation analysis of the mixed elements treated show that Cd 、 Zn and Cu content in the root and stem leaf of transgenic tobacco plants was more than in controls, the absorption of Cd being the most marked.
混合元素处理的方差分析结果显示，转基因烟草根及茎叶中的Cd、Zn和Cu含量均比对照烟草高，以Cd的吸收最显著； - Final computation results showed that this revised minimum critical wrinkless variable BHF curve could save more outer energy and conduce to more uniform in thickness distribution after calculating mean square deviation of thickness variation with final parts.
最终板厚变化量的均方差计算结果表明，理论推导的起皱临界最小压边力修正加载曲线，不仅比常见的最小压边力恒定加载模式更节省能量，而且其厚度分布也更加合理、均匀。 - 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。 - Two Types of Evaluation in the Measurement of Uncertainty Estimation Mean Square Deviation
测量不确定度估算中协方差的两类评定 - 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。 - When these beams are fully correlated, there will be no difference between the root mean square deviation of the wandering angle of superimposed speckle and the root mean square deviation of the wandering angle formed by the single beam.
当这些光完全相关时，叠加光斑漂移角的均方根差和单束光所成光斑漂移角的均方根差变得没有区别。 - A relative mean square deviation model is proposed by statistical analysis of events 'interval, which can be used to describe the temporal correlation features of events.
通过对相邻事件的时间间隔进行统计分析，提出了事件的时间关联特征可以用一个相对均方差模型描述。 - Comparing the lunar speed data of the 6 calendars with the modern data, we obtained that the mean square deviation is about 0.4 ancient degree of China.
利用这两类数据与现代月亮日行数据比较，其均方偏离也只有0.4古度左右。 - The predicted values were compared with the experimental ones. The mean square root deviation was 1.847.
并应用所提方法对烷烃、烯烃、炔烃、脂肪醇和酸等五类同系物88种化合物的计算值与实验值比较，均方根编差为1.847。 - The idea of the method is to determine the order of Prony algorithm according to the principle of the minimum of the mean square deviation of fitting result, and fix the length of date window by the strategy of the combination of section analysis and synthesis analysis.
本文提出了按照拟合结果均方误差最小原则确定Prony算法阶数以及采用分段分析与综合分析相结合的方式确定算法数据窗长度的方法，对Prony算法进行了改进。