提供了一个在数学期望值不相等条件下进行概率分析的新方法,该方法采用所谓标准差系数作为分析指标。
Using the standard deviation coefficient as analysis target, the author provides a new probability analysis method, in case the mathematical expectations are different.
在销售量为随机变量的时候,本文利用标准差系数来讨论销售量、税息前收益和税后收益的波动程度之间的联系。
This thesis is to analyze the coefficient of standard deviation of the earnings before interest and tax and the earnings per share.
其次,相比一个标准差的美国幸福感(即0.635),这对大多数变量系数看起来很小。
Second, when compared to the size of one standard deviation of Americans' reported happiness (which is 0.635), the coefficients on most of these variables look small.
分析规程的精密度通常以一系列测量数值的标准差或相对标准差(变异系数)来表示。
The precision of an analytical procedure is usually expressed as the standard deviation or relative standard deviation (coefficient of variation) of a series of measurements.
计算各组变异系数、标准差、极差、均数95%可信区间,比较连续3个心动周期与5个心动周期的参数测量值。
The standard deviation, range, variation coefficient, 95% confidence interval were analyzed, the average values of 3 cycles were compared with those of 5 cycles.
基于标准差和变异系数两个指标,采用聚类分析,可将土壤剖面水分垂直变化划分为四个层次:速变层、活跃层、次活跃层和相对稳定层。
Based on the standard deviation and variation coefficient, soil water change in the profile could be divided into four layers by cluster analysis.
随着像元尺度变大,LAI的标准差增大,但植被指数与LAI的相关系数并不降低。
With the larger pixel scale, standard deviation of LAI increased, but the correlation coefficients of vegetation index and LAI are not reduced.
条件模拟方法计算出的水头、流速和水动力弥散系数的标准差要小于非条件模拟的结果;
The variability of the pressure head, velocity and hydrodynamic dispersion coefficient obtained from conditional simulation are smaller than those obtained from unconditional simulation.
正态母体特征值(母体均值、百分位值、百分率、标准差和变异系数等)的检验是工程中常见的问题。
The normal population characteristics, such as the mean, standard deviation, percentile, percentage and coefficient of variation, are often tested in engineering.
景观功能均值相差不大的流域之间,景观功能值标准差较小的流域,月际间径流系数的变化更加平缓。
Landscape features of the basin mean little difference between the standard deviation of the value of landscape features smaller basins, inter-month changes in runoff coefficient is more gentle.
修正后非相关的阴影标准差较相关时变大,而且随着相关系数和干扰源个数的增加而增大。
The modified standard deviation is generally larger than the original one and increases with the correlation coefficient between lognormal interferers and with the number of interferers.
本文根据统计学的原理,对散热器热工性能测试中数据的回归方程进行了系数的标准差分析和稳定性分析。
According to statistical theory, the regression coefficients stability in radiator thermal test has been analysed in this paper.
通过测量反射光密度分布曲线的半宽度,由高斯曲线系数的标准差计算表面粗糙度。
The reflected intensity curve can be approximated by a Gaussian function. The width of the intensity distribution curve was evaluated with...
通过测量反射光密度分布曲线的半宽度,由高斯曲线系数的标准差计算表面粗糙度。
The reflected intensity curve can be approximated by a Gaussian function. The width of the intensity distribution curve was evaluated with...
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