加权平均值

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  • weighted average;weighted mean
加权平均值加权平均值
  1. 文中分别介绍了均值挂靠法、加权平均值法、三次样条曲线拟合、曲面拟合等高程拟合的特点和应用范围。

    The paper introduced separately the property and applied scope of following methods : mean linking-up method , weighted mean method , cubic spline curve fitting and surface fitting .

  2. 102个先证者家系精神障碍的阳性率为58.8%,其中情感性精神障碍同病率为85.0%,遗传率加权平均值为106.3%±2.4%,高发家系为150.7%±14.8%。

    The concordance rate for affective disorders was 85.0 % . The weighted mean of genetic rate was 106.3 % ± 2.4 % , and 150.7 % ± 14.8 % in high risk families .

  3. 几个关于r阶加权平均值的不等式

    Several Infinitives on Mean Value of Add PoWer of r order

  4. x次幂加权平均值函数的几个性质

    The Several Properties of the Weighted Average Functions with x Powers

  5. 期望的整体估计(E)值是加权平均值

    The expected overall value of the estimate ( E ) is the weighted average

  6. 基于类内加权平均值的模块PCA算法

    Modular PCA Algorithm Based on Within-class Weight Average

  7. 本文提出了用加权平均值法,求定山区GPS点的高程异常,并提出了两种定权方法。

    This paper presents the determination of the elevation anomaly of GPS point in mountainous area , using the method of weighted average values .

  8. 本文给出有限和的x次幂加权平均值函数和积分的x次幂加权平均值函数的极限、重要性质和有关的不等式。

    The limitation , properties and correlated inequalities of the weighted average functions of limited sum and the integral with x powers are presented here .

  9. 为提高传统Delphi法的精度和效率,本文在基于BP神经网络的加权平均值计算模型基础上,提出了基于BP神经网络的改进Delphi法。

    To enhance the accuracy of the traditional Delphi method , an improved Delphi method based on BP artificial neural network is proposed .

  10. βe因子在热力学方面取决于晶体熔化热和升华热的加权平均值,把它作为界面平衡结构的判据符合实验结果。

    Factor β _e depends on weighted average of fusion heat and sublimation heat of crystal in thermodynamics , it accords with text results that β _e is taken as the standard .

  11. 采用网格索引来组织地形数据,利用反距离高程加权平均值算法,提取TIN地形的特征点。

    Terrain data is organized by grid , the article adopts height weighted average algorithm of elevation based on grid network , to extract feature point of TIN terrain .

  12. 混合体系的HLB值是体系中各组分HLB值的加权平均值。

    The value of HLB in the mixed system is the additive mean of each component HLB .

  13. 建筑物室内天然γ辐射剂量率按测点和人口的加权平均值分别为9.92和9.86×10~(-8)Gy·h~(-1);

    The point-weighted and population-weighted average value of natural γ radiation dose rate inside buildings is 9.92 and 9.86 × 10 ~ ( - 8 ) Gy · h ~ ( - 1 ), respectively ;

  14. 套作群体PRA截获效率比按套作比例对单作作物PRA截获效率加权平均值高46.5%。

    PRA interception efficient of capsicum / maize relay intercropping system raised by 46.5 % as compared with the weight average of PRA interception efficient of monoculture crop according to relay intercropping growth proportion .

  15. 路透(Reuters)计算的加权平均值显示,6月至7月,政府跟踪的70个大中城市的新房均价环比下降0.9%,为三次连续下跌中的最大降幅。

    New home prices across 70 cities tracked by the government fell by an average 0.9 per cent between June and July , the sharpest tumble in three straight declines , according to a weighted average calculated by Reuters .

  16. 统计结果表明,配煤的Ad、Vd、CRC、St,d及发热量均具有较好的可加性,因而配煤的一些主要煤质指标原则上可按其单煤的理论加权平均值进行计算。

    Vd , CRC , St. d and calorific value of blending coals are much better in additive quality . The main quality index of blending coal therefore can be calculated by the weighted average value of theirs parent coal in principle .

  17. 本文给出几个关于r阶加权平均值不等式,并将其推广到积分情形,它们是Jensen不等式[1][4]以及[5][8]的推广。

    This paper gives out several infinitive on mean value of add Power of r order and expends them to integral condition . They are an extension of Jensen infinitive [ 1 ] - [ 4 ] and [ 5 ] - [ 8 ] .

  18. 室外和室内222Rn浓度按人口加权平均值的典型值分别为14Bq·m-3和24Bq·m-3。

    The population-weighted average values of outdoor and indoor 222 Rn concentration ( typical ) are 14 Bq · m - 3 and 24 Bq · m - 3 , respectively .

  19. 此篇论文使用的工具是货币状况指数(MCI),该指数是指相比在给定的基期,短期利率和汇率的加权平均值的变化。

    The tool used within this paper is the " Monetary Conditions Index "( MCI ), which is defined as weighted average of changes in short-term interest and exchange rate in comparison to their values in a given base period .

  20. 在Delphi法数据统计处理过程中,成员权值主要根据成员的经历、职务、年龄和自我评定等情况来确定,易导致方案加权平均值及方差计算不准确,大大影响Delphi法的精度和效率。

    Member 's weight in the traditional Delphi method is mainly determined by his experiences , position , age and his self evaluation etc , It is easy to lead to the inaccuracy of calculating additive weight average and variance , the low calculation precision and the low efficiency .

  21. 对磨煤机钢球筛选,形成磨煤机装球加权平均值维持Φ50mm,使磨煤机长期运行在高出力低损耗工况;

    Steel ball screening to coal mill , forming the coal mill to install ball weighted average maintenance Φ 50mm , causing the coal mill long-term movement high to strive low to lose the operating mode ;

  22. 向量的加权平均值及其应用

    Weighted Average Value of Vec to r and It 's Application

  23. 125个等效剂量的加权平均值为3.26Gy。

    The average of all 125 EDs was 3.26 Gy .

  24. 数列加权平均值的极限及应用

    Limit of Mean Value on a Sequence of Number and its applications

  25. 随机变量的加权平均值是期望值。

    The weighted mean of the random variable is the expected value .

  26. 加权平均值,计数平均值(统计学)超过常规或平均值的。

    Weighted mean value ( statistics ) exceeding the normal or average .

  27. 双参数广义加权平均值及其单调性

    Generalized Weighted Mean Values with Two Parameters and its Monotonicity

  28. 函数的幂加权平均值

    Weighted Power Mean s of Functions and Their Applications

  29. 锅炉水相的电导温度系数取各离子浓度和电导温度系数乘积的加权平均值较为准确;

    Using the weighted average value , the temperature coefficients should be more accurate .

  30. 热点分析的加权平均值的计算

    Calculation of weighted averages for hot-spot analysis