harmonic mean

美 [hɑːrˈmɑːnɪk miːn]英 [hɑːˈmɒnɪk miːn]
  • n.调和(谐量)平均值(等于两数乘积的二倍被两数之和除);调和中项
harmonic meanharmonic mean

noun

1
the mean of n numbers expressed as the reciprocal of the arithmetic mean of the reciprocals of the numbers

数据来源:WordNet

  1. Empirical Distribution Function of Fatigue Life Based on Harmonic Mean

    基于调和均值的疲劳寿命经验分布函数

  2. New image segmentation algorithm based on generalized harmonic mean distance

    基于广义调和均值距离的图像分割新算法

  3. Harmonic Mean Measure on the Boundary of Compact Regions

    紧区域边界上的调和平均测度

  4. Discussion on Harmonic Mean and the Arithmetic Mean

    调和平均数与算术平均数的讨论

  5. Feature-Preserving Denoising of Irregular Mesh Using Inverse Harmonic Mean Curvature Flow

    用反调和平均曲率流实现网格保特征平滑

  6. After analysing , it is found that the harmonic mean method is a simple and quick method for strain calculation when the strain is great enough .

    经分析发现当应变足够大时,调和平均值法是一种简单快速的应变计算法。

  7. Based on the measurement of the contact angle of differently treated ITO , the surface energy and polarity were calculated using the harmonic mean method .

    在测量ITO接触角的基础上,应用调和平均法计算了不同表面处理ITO阳极的表面能和极性度。

  8. Then , formulate a general weight function based on weight arithmetic , weight geometric and weighted harmonic mean , which provides math mean for the study .

    然后根据算术均值方法、几何均值方法和调和均值方法,构造一个综合权重均值函数,为本文的研究提供了数学方法。

  9. Arithmetic mean thickness and harmonic mean thickness of blood-air barrier thickened with age increasing , and there were remarkable difference between neighboring two groups ( P0.05 ) .

    黄牛的气-血屏障的算术平均厚度和调和平均厚度均随年龄增加而不断增厚,且相邻两个组之间差异显著(P〈0.05)。

  10. In this paper , Summary analysis of the classic image filtering algorithms , the granular inverse harmonic mean filter algorithm is proposed based on granular computing , can filter out high intensity degree noise better .

    本文在对传统经典的图像滤波算法总结分析的基础上,结合粒计算原理,提出了基于粒计算的图像滤波算法设计了粒度一逆谐波均值滤波器,能够较好的滤除高强度度噪声。

  11. The research for the means has a long history , the classical means include algebraic mean , geometric mean and harmonic mean etc. During the development of theory of mean , the theory of mean family is built .

    平均数理论研究的历史久远,经典的平均数包括算术平均,几何平均,调和平均等。平均数理论研究在发展过程中,建立了平均族的理论。

  12. 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。

  13. Results show that our policy outperforms previously proposed fetch policies for all types of workloads , especially for memory bounded workloads , whether using IPC as a metric or using the harmonic mean as a metric .

    模拟结果表明,无论使用IPC作为度量标准还是使用Hmean作为度量标准,对于所有类型的工作负载,尤其是存储器访问密集的工作负载,MFP都要优于现有的其他取指策略。

  14. 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。

  15. The dissertation aims to find reasonable power allocation strategies . The major works are outlined as follows : Firstly , two optimum power allocation algorithms based on bottleneck effect of relay channel strength and harmonic mean of relay channel strength respectively to increase the system capacity are proposed .

    本文的主要工作就是寻找合理的功率分配方案。具体为:1、以提高系统容量为目的,分别基于瓶颈效应与调和平均值,提出了两种优化功率分配方案。

  16. Harmonic scalpel mean extending distance of tissue damage from the edge of the seal in arterial and venous specimens was 1.03mm ( range 0.40 to 1.56 ) and 1.16mm ( range 0.65 to 1.60 ) , respectively ;

    超声刀动脉组织损伤从闭合边缘起平均延伸1.03~(0.40一1.56),静脉1.16~(0.65一1.60);

  17. Using the matrix models of 3-dimensional Minkowski space , the author applies the integrable system theory to discuss the deformation properties and integrability on the spacelike surfaces with harmonic inverse mean curvature and the timelike surfaces with Lorentz harmonic inverse mean curvature .

    利用可积系统的思想,借助三维Minkowski空间L3的矩阵模型,研究了L3中具有调和逆平均曲率的类空曲面和洛伦兹调和逆平均曲率类时曲面的可积性及其形变。

  18. Small Diesel Engine torque harmonic amplitude and mean effective pressure was between 3 powers .

    中小型柴油机简谐力矩幅值与平均有效压力也呈3次方关系。

  19. Firstly , with the aid of the inequality between harmonic and geometric mean , the end-to-end SNR is bounded .

    首先,基于调和几何平均不等式,得到了更易于数学处理的端到端信噪比上界。