lognormal

lognormal

1. The WR is close to the lognormal distribution, while the WDR is close to the normal distribution.

2个年份的需水量符合对数正态分布，而缺水率呈正态分布；

2. The B-S model hypothesis bond obeys the lognormal distribution, it have some flaws when using it to price the rate derivatives bonds.

B-S模型假定债券服从对数正态分布，利用它来对利率衍生产品定价时有一些缺陷。

3. Keywords CNC lathes;maintainability;lognormal distribution;

CNC车床;维修性;对数正态分布;

4. three-parameter lognormal distribution

三参数对数正态分布

5. two-dimension lognormal distribution

二维对数正态分布

6. Intake fractions in the five populations examined followed approximately lognormal distributions.

五个城市之吸入比率分布呈现对数分布。

7. The peak currents for metastable pits also follow lognormal distribution and rise with potential.

亚稳蚀孔的峰值电流在恒电位下也服从对数正态分布且随电位升高而增大。

8. The method and the resulting software for automatic generation of lognormal probability paper and the automatic extraction of distribution parameters are intro?鄄duced.

介绍对数正态概率纸自动生成和分布参数自动提取的方法以及据此开发的软件。

9. On the assumption that investment funds follow lognormal distribution,the reinsurance pricing question affected by investment gains is discussed from the reinsurers' angle.

从再保险人的立场出发,在投资基金服从对数正态分布的假定下,讨论了在投资收益影响下的再保险保费定价问题.

10. The distribution of returns over periods of, say, one year would be better approximated by a lognormal distribution.

以一段期间，比方说，以一年为期间的回报率的分布将更近似对数正态分布。

11. The traditional threshold methods are necessary for variables to conform to normal or lognormal distribution, and they have theoretic limitation.

传统计算地球化学异常下限的方法，要求数据服从正态分布或对数正态分布，而且存在计算依据不充分的问题。

12. According to the simulation results, we find that the contract value may be underestimated if the excess of loss distribution is fitted by lognormal.

但若以对数常态分配建构尾部分配，则政府再保契约价值可能低估，反之，若以指数分配建构尾部分配则可能高估。

13. Component's life and repair time includes six kinds ofdistributions :Exponential,Normal,Lognormal, Gamma,Beta and Weibull.

元件寿命分布和维修时间分布包含六种型式：指数分布，正态分布，对数正态分布，伽玛分布，贝塔分布和威布尔分布。

14. Some Important Properties about Lognormal Distribution

关于对数正态分布的若干重要性质

15. The LOGNORMDIST() function returns the cumulative lognormal distribution.

函数返回累积对数正态分布。

16. partition lognormal distribution function

分段对数正态函数

17. MLE for lognormal distribution with grouped and censored data

分组与删矢数据下对数正态分布的最大似然估计

18. Application of lognormal distribution plot to interpreting sources and determining geochemical background levels of heavy metals in Xuzhou urban soils, Jiangsu Province

利用对数正态分布图解析徐州城市土壤中重金属元素来源和确定地球化学背景值

19. Features include Binomial, Poisson, Hypergeometric, Normal, Exponential, Student t, Chi Squared, F, Beta and Lognormal Distributions;

功能包括二项分布，泊松，超几何，正常，指数，学生吨，迟浩田平方，男，试用版数正态分布和分布;

20. Single lognormal performs better absolute hedging results and double lognormal has better dollar hedging ones.

单一对数机率分配在绝对避险的表现较佳，双重对数机率分配在净值避险的表现较佳。

21. It is finded, for lookback options, that the technique proposed by Babbs for the lognormal case can be modified to value laokback when the asset price follows the CEV process.

发现当资产价格服从 CEV过程时 ,Babbs提出的方法可修改用来为回顾期权定值

22. These three tasks should be prioritized for mechanization.The manual operation processes could be represented by a single sever and queue system with lognormal distribution function.

另对于人工增殖作业，可以单一作业人员等待系统模式及对数常态密度函数予以代表，模拟结果与实测资料经由检验后显示，并无显著差异；

23. The results indicated that the packing of PMMA beads with lognormal distributions was different due to the difference of mean parti...

因此,通过提高PMMA粉的平均粒度及粒度分布宽度,降低堆积空隙率,可以在结构上为提高粉液比提供可行性。

24. The vertical and the horizontal coefficient of consolidation can be adequately modeled by either a lognormal distribution or a gamma distribution.

固结系数的概率分布一般为对数正态分布或伽玛分布。

25. Under the assumption that a geometric process at the start point follows a lognormal distribution, the statistical inference problem for the geometric process is studied.

在假定几何过程的初始分布为对数正态分布的前提下,研究了几何过程的统计推断问题。

26. Given that product life follows lognormal distribution,fatigue life scatter factor method (LSF) is applied to evaluating the reliability of product with 1 or 2 samples.

在假设产品寿命服从对数正态分布情况下,提出了用分散系数法评估极小子样产品的可靠性。

27. Given that product life follows lognormal distribution, fatigue life scatter factor method (LSF) is applied to evaluating the reliability of product with 1 or 2 samples.

在假设产品寿命服从对数正态分布情况下，提出了用分散系数法评估极小子样产品的可靠性。

28. The lognormal distribution is widely used in geology to characterize sediment size variations and geochemical element concentrations.

在地质学中,对数正态分布已被广泛用以表示沉积粒度变化特征和地球化学元素浓集情况。

29. 68. The lognormal distribution is widely used in geology to characterize sediment size variations and geochemical element concetrations.

在地质学中，对数正态分布已被广泛用以表示沉积粒度变化特征和地球化学元素浓集情况。

30. For restricting the probabilities of two types of errors,the fuzzy hypothesis test under lognormal distribution is studied with crisp data and fuzzy hypotheses.

在样本数据精确,统计假设模糊的情形,以控制出现两类错误的概率为目的,研究了对数正态分布下的模糊假设检验问题。

31. The annual maximum (AM) and monthly maximum (MM) series models are considered; each model considers the Gumbel, Lognormal, and LogPearson type III distributions.

在水文频率模式中，本研究考虑年最大序列以及月最大序列等两种模式；两种模式均考虑三种机率分布作分析。

32. The distributions of patch size are extremely uneven in eight types of greenland, each of which includes many small patches, and most of them show a lognormal pattern of distribution.

城区绿地斑块大小分布极不均衡，8种类型都是以小斑块为最多。8种类型斑块大小分布中，7种类型服从对数正态分布。

33. Estimating Parameter in Lognormal Distribution from Grouped Data

基于分组数据的对数正态分布的参数估计

34. Lorenz Curve and GINI Coefficient under Condition of Lognormal Distribution

基于对数正态分布的洛伦兹曲线与基尼系数

35. Novel Variable Step Size Blind Equalization Algorithm Based on Lognormal Error Function

基于对数正态误差函数的变步长盲均衡新算法

36. The principle part of such kind of basic De Wijs modeling data is authentically of lognormal distribution.

基本的De Wijs模拟结果主要服从对数正态(lognormal distribution)分布。

37. Besides the common frequency chart, Lorenz curve, and Theil index, the famous Pareto distribution and the lognormal distribution are the authentic proof methods as well.

实证方法除了常见的频数图、洛伦兹曲线和泰尔指数外,还有著名的帕雷托分布和对数正态分布。

38. Besides the common frequency chart.Lorenz curve, and Theil index. the famous Pareto distribution and the lognormal distribution are the authentic proof methods as well.

实证方法除了常见的频数图、洛伦兹曲线和泰尔指数外，还有著名的帕雷托分布和对数正态分布。

39. Approximate Confidence Region of Parameters for Lognormal and Normal Distribution under Type-I Life Test

对数正态与正态分布定时截尾寿命试验参数的近似置信域

40. lognormal distribution

对数正态分布

41. Keywords Lognormal distribution Original distribution Relationship Geochemistiy;

对数正态分布;原始分布;关系;地球化学;

42. STATISTICAL INFERENCE FOR GEOMETRIC PROCESS OF LOGNORMAL DISTRIBUTION

对数正态分布几何过程的统计推断

43. lognormal distribution parameter

对数正态分布参数

44. lognormal distribution plot

对数正态分布图

45. Keywords lognormal distribution plot;geochemical background level;source;urban soil;Xuzhou City;

对数正态分布图;地球化学背景值;来源;城市土壤;徐州市;

46. New estimators of lognormal distribution based on constant stress accelerated life tests data with nonconstant scale parameter

对数正态分布场合有非常数尺度参数恒加试验的参数估计

47. Exact Bayesian and Fiducial Limits for the Mean of Lognormal Distribution

对数正态分布均值的Bayes及Fiducial精确限

48. STATISTICAL ANALYSIS OF ACCELERATED LIFE TEST ON LOGNORMAL DISTRIBUTION CASE UNDER TYPE I CENSORING

对数正态分布定时截尾样本下加速寿命试验的统计分析

49. Fuzzy failsafe design while the fuzzy strength is lognormal distribution stress

对数正态分布应力模糊强度时的模糊可靠性设计

50. Reliability analysis for the lognormal distribution in the case of zero-failure data

对数正态分布无失效数据的可靠性分析

51. Lognormal distribution curve

对数正态分布曲线

52. lognormal distribution model

对数正态分布模型

53. The lognormal distribution was used to describe the heterogeneity of water flow patterns.Compared with water flow, the concentration distributions show higher heterogeneity and uncertainty.

对数正态分布能够较好的反映水流的运动分布模式，相比水流运动，溶质的运动和分布规律明显不同，表现出更多的不确定性和变异性。

54. The lognormal distribution, like the normal, is completely specified by its mean and standard deviation.

对数正态分布，如同正态，以其平均值和标准差被完全地指明。

55. lognormal variable

对数正态变量

56. The function nature of random variable feature of lognormal state

对数正态型随机变量特征函数的性质

57. Combination Confidence Region for Lognormal Population Parameters

对数正态总体分布的联合置信域

58. Likelihood Ratio Test of the Lognormal Population

对数正态总体的似然比检验

59. ON THE PARAMETER TEST OF THE LOGNORMAL POPULATION

对数正态总体的参数检

60. lognormal probability density

对数正态概率密度

61. The Lognormal modelling method is an efficient method for resource assessment and has widely been paid attention to in recent years.

对数正态模拟法是近年来受到广泛重视的一种资源评价方法。

62. lognormal error function

对数正态误差函数

63. Reconstruction of the Probabilistic S-N Curves Under Fatigue Life Following Lognormal Distribution With a Given Confidence

寿命服从对数正态分布、有置信度时概率疲劳S-N曲线的合理重构

64. We find that the prices of barrier options for the CEV process deviate significantly from those for lognormal process. For standard options, the corresponding differences between the CEV and Black Scholes models are relatively small.

就标准期权而言 ,CEV与 Black- Scholes模型之间的相关量相对较小 .

65. Keywords roof runoff quality;lognormal distribution;event mean concentrations（EMCs）;cluster analysis;

屋面径流水质;对数正态分布;事件平均浓度;聚类分析;

66. Furthermore, Willingness to Pay surveys in Huizhou has verified the lognormal distribution assumption of VOT.

惠州市区意愿支付调查验证了假设时间价值为对数正态分布的可行性。

67. On the assumption that the hydraulic conductivity field follows a lognormal distribution, the direct Fourier transform is introduced to generate muhiple realizations of hydraulic conductivity field.

据以往研究，假设渗透系数场遵循对数正态分布，利用直接傅立叶变换方法来生成渗透系数随机场。

68. In order to circumvent the heavy-tailed problem in estimating the conditional autoregressive range model (CARR), the lognormal distribution is considered.

摘要为了解决在估计条件自回归极差模型(CARR)中的分布厚尾性问题，采用尾部呈幂函数衰减的对数正态分布估计CARR模型。

69. This paper presented two fertility rate models, i. e., lognormal distribution model and Poisson distribution model.Based on these two models, a composite model was proposed.

文中介绍了对数正态分布模型和泊松分布模型，在此基础上构造了生育率组合模型。

70. The definition of lognormal distribution as well as its relationship to the original distribution are redescrribed.A common error in the use of lognomal destribution is corrected.

本文对对数正态分布的数学含义及其与原始分布之间的关系作了重新说明，纠正了目前化探中使用对数正态分布假设时常犯的一个错误。

71. Lognormal distribution of geotechnical parameters

某些岩土参数的对数正态分布特征

72. The results show that all 5 statistical quantities are significant if the LN3 （three-parameter lognormal） distribution is used as the 7-day low flow distribution for the study area.

概率点据相关系数检验法和四阶线性矩检验法的计算结果表明，当采用三参数对数正态分布（LN3）作为研究区域上的枯水频率分布线型时，这5种统计特征量均为最优。

73. Keywords probabilistic dilution model;lognormal distribution;environment capacity;total quantity control;

概率稀释模型;对数正态分布;环境容量;总量控制;

74. Keywords probabilistic dilution model;lognormal distribution;environmental risk capacity;total capacity control;

概率稀释模型;对数正态分布;环境风险容量;总量控制;

75. The usual way to model indoor radon concentrations is to assume lognormal distributions of concentrations on a given territory.

模式化室内氡气浓度时常假设，其于一定范围内为对数常态分布。

76. The simulation results have shown that when the real joint length distribution is of negative exponent form or of lognormal form,the distrib...

模拟结果表明，当实际节理长度分布为负指数和对数正态分布时，其测线测量出来的节理迹长分布分别为对数正态分布和正态分布。

77. One-Sample Prediction and Warranty Period of Normal and Lognormal Distribution

正态分布与对数正态分布的单样预测与保证期

78. SUBJECT TERMS Lognormal distribution,Normal distribution,+ Environment factor,Point estimation,Interval estimation.

王炳兴，男，1965年12月生，硕士，副教授，(310035)杭州商学院数学教研室。

79. Meanwhile the efficiency of the estimator can also be improved by the heavier tail of lognormal distribution than the exponential likelihood methods currently used in the literature.

相对于目前广泛采用的指数似然估计方法，提高了参数估计的效率。

80. In a simulated system composed of the floc-buffer suspensions, it was found that the floc size distributions could be characterized by a lognormal function.

研究表明，在含有絮凝缓冲液的模拟系统中，自絮凝酵母颗粒粒径分布符合对数正态分布。