Standard deviation of weighted arithmetic mean 加权算术平均值的标准(偏)差
One should therefore take the arithmetic mean as the sum. 必须取算术平均作为和。
This paper proves that this formula is equivalent to the arithmetic mean formula, and extends the result. This is a simple example of the equipartition theorem at work. 文章通过分析,论证了此公式等价于简单的算术平均公式,并对此结果进行了推广。这就是均分定理应用的一个简单例子。
The arithmetic mean of the absolute values of deviations from the mean of a distribution. 一种概率分布的均值分布平均数与偏差绝对值的算术平均值。
The following figure shows the calculation for the arithmetic mean for each of the four valuation metrics. 下面的数据显示了四个估值的算术平均值。
In fact, there are some very old books that show this as the average, the sum divided by two arithmetic mean, but the modern practice is to use the geometric mean. 事实上,一些很老的书籍上,平均的定义就是算数意义的,总的来说被分为两种算数意义,但现代我们多用几何意义。
The way incomes are distributed means most live below the arithmetic mean – and further below in countries, such as the Brics, where inequality is greater. 收入的分配方式决定了大部分人的收入低于算术平均值,而在收入分配更加不公的国家,比如金砖四国,普通人的收入与平均值的差距更大。
Returns the harmonic mean of a data set of positive numbers: the reciprocal of the arithmetic mean of reciprocals In principle, weights should be 1/ ( s. e.) 2. 返回一组正数的调和平均数:所有参数倒数均值的倒数原则上,权应该是标准误差平方的倒数。
Application of Information Entropy Principle to Uncertainty Calculation of the Arithmetic Mean Deviation of Surface Roughness 信息熵原理在表面粗糙度Ra不确定度计算中的应用
A method which uses distribution display method and data fusion method based on the arithmetic mean value and batch estimating to static data performance account of the aero engine testing is introduced. The result of calculation exactly reflects performance of engine. 将分布图法和基于算术平均值与分批估计的数据融合方法应用到航空发动机试验稳态数据采集的性能计算中,使稳态数据更准确地反映发动机的性能。
Use median and arithmetic mean filters to do removal of the pulse and random disturbances. 采用中值和算术平均值滤波去除脉冲干扰和随机干扰。
The method of progressive difference remedies a defect of the arithmetic mean 逐差法弥补了算术平均法处理数据的不足
In this paper the application conditions of elliptical-marker strain analysis techniques ( R_f/ Φ) de-straining method, algebraic method proposed by Shimamoto et al., harmonic mean method, and arithmetic mean method) are thoroughly discussed by computer model method. 本文采用计算机数学模拟的方法更深入地探讨了椭圆形标志物应变分析技术(Rf/Φ去应变法、Shimamoto等提出的代数法、调和平均值法和算术平均值法)的适用条件。
A HIGH-PRECISION IMAGE PROCESSING Algorithm Based on Arithmetic Mean of Gray-value and Bilinear Interpolation 基于灰度期望值和二值化高精度图像处理算法
This system can automatically calculate and display as well as print the arithmetic mean deviation of test-pieces measured. 本系统可自动计算、显示并打印被测试件的平均算术偏差Ra数值。
Arithmetic Mean Method and Weighting Mean Method of Digital Filter 数字滤波的算术平均法和加权平均法
On the premise of careful phase analysis, the shallow structure and velocity distribution of layer above basement interface is obtained by applying classical methods of time section and arithmetic mean. 在充分细致的震相分析前提下,采用经典的时间场法和算术平均法来反演,得到了天水地震区结晶基底界面以上层的浅层结构和速度分布。
Compared with the arithmetic mean method, the algorithm can get optimal temperature without any prior knowledge of the surveying data. 与传统的算术均值方法相比,该算法计算量小,精度较高,且无需任何先验知识,仅根据各传感器的输出信息就能使融合后的估计值得到优化。
Evaluation and Analysis to the Representativeness of Arithmetic Mean Quota 算术平均指标代表性的评价分析
Consequently, it introduces the method of evaluating the representativeness of arithmetic mean by arithmetic mean quota with analysis made on the application scope of the judging axiom. 进而分析了通过平均指标衡量算术平均数代表性的方法,并就判别定理适用范围进行了分析。
The methods of combine arithmetic mean with the area weighting average are adopted when calculation of amount of precipitation and the evaporation capacity. 具体计算时,降水量、蒸发量主要采用了算术平均与面积加权平均计算相结合的方法;
Feasibility of the algorithm is verified by simulation results. Secondly, two measures for improvement the algorithm are proposed in this paper: spectral peak searching by large/ small step and arithmetic mean for spectral function. 其次,在上述算法的基础上,提出了两种改进措施:大、小步长的谱峰搜索和谱函数求算数平均值。
Combined with streaming media network platform of practical application, a detailed design based on the arithmetic mean of data quality analysis algorithm formula and process. 3. 结合流媒体网络平台的实际应用,详细设计出基于算术平均值的数据质量分析算法公式和流程。
The computation of grid centroid uses weighted mean instead of arithmetic mean. Consequently, the position of grid centroid can represent the space distribution of data points indirectly. Moreover, the incremental updating of the centroid saves a lot of time and space. 网格质心的计算采用加权平均值而非算术平均值,因此质心的位置能够间接反应网格中数据点的分布情况,质心的增量式更新为算法节约了大量的时间和空间。
The main content goes as follows: ( 1) The forecast of water consumption: according to the optimization theory of combination weight coefficient, the author combines BP neural network method and mobile arithmetic mean method, and makes the mixed forecast model. 主要内容有:(1)用水量预测:运用组合权系数优化理论,将BP神经网络法和移动算术平均法组合,建立组合预测模型。
First of all, according to the established network consumption measurement indicator system to collect relevant data by dimensionless arithmetic mean method, the weighted average method of treating the resulting data and, ultimately, a comprehensive measure indicators. 首先根据建立起来的网络信息消费测度指标体系搜集相关数据,通过无量纲化、算术平均法、加权平均法的方法处理所得数据,最终获得综合测度指标。
The three data processing results were compared, which were traditional weighted data-fusion algorithm, adaptive weighted data-fusion algorithm and simple arithmetic mean processing. 并分别对普通的加权融合算法、自适应加权融合算法和传统的算术平均值法对数据进行处理结果进行了比较,依此对实验方案和参数进行改进提高。
And on this basis, the arithmetic mean law is operating through the riskiness of the project grading. 并在此基础上通过算术平均法得到作业项目的风险度分级标准。