中文核心期刊
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中国科技核心期刊
RCCSE中国核心学术期刊
Journal of Chongqing Jiaotong University(Natural Science)

Journal of Chongqing Jiaotong University(Natural Science) ›› 2013, Vol. 32 ›› Issue (5): 1086-1090.DOI: 10.3969 /j.issn.1674-0696.2013.05.41

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Visualization and Implement of P-Ⅲ Curve Based on VB-Excel

Ye Ｒongbo1，Du Tingna1，Zhao Haifeng1，Zhao Haibo2   

  1. 1. School of Ｒiver ＆ Ocean Engineering，Chongqing Jiaotong University，Chongqing 400074，China; 2. Beijing Branch，Construction Survey ＆ Design Institute of Anhui Province，Beijing 102200，China
  • Received:2012-07-21 Revised:2013-05-09 Online:2013-10-15 Published:2014-10-27

基于VB-Excel 的P-Ⅲ曲线可视化研究与实现

叶荣波1，杜廷娜1，赵海峰1，赵海波2   

  1. 1. 重庆交通大学河海学院，重庆400074; 2. 安徽省建设工程勘察设计院北京分院，北京102200
  • 作者简介:叶荣波( 1987—) ，男，四川凉山州人，硕士研究生，主要从事水利水电工程方面的研究。E-mail: 893484612@ qq． com。
  • 基金资助:
    重庆交通大学省部共建水利水运工程教育部重点实验室开放基金项目( SLK2010A01)

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Abstract: Pearson type Ⅲ curve is often used in linear hydrologic frequency computation and Hazen probability paper is the preferred grid paper to draw Pearson type III curves． Dot painting is carried out by hand on the current Hessian probability paper，but the precision of dot painting is not easy to master，because of the inhomogeneity of coordinate system on grid paper． In view of this problem，Pearson type III curve fitting software was developed by the combination of Microsoft Visual Basic 6． 0 software and Microsoft Excel 11． 0 Object Livraryd dynamic link，which realized the automotive drawing and adjusting of Hazen probability paper，the real time monitoring of the coordinate system of grid paper，and the automotive fitting of Pearson type III curve． The proposed software is of good precision，strong interactivity and universality．

Key words: Pearson typeⅢ curve, Hazen probability paper, VB, Excel, fitting software

摘要： 皮尔逊Ⅲ型曲线( P-Ⅲ曲线) 是水文频率计算中使用频率较高的线型，海森几率格纸为绘制P-Ⅲ型曲线的首 选格纸。采用在已有的海森几率格纸上手工点绘，由于格纸坐标划分的不均匀性，点绘精度不易掌握。针对该问 题，应用Microsoft Visual Basic 6． 0 软件，结合Microsoft Excel 11． 0 Object Livraryd 动态链接库开发了P-Ⅲ型曲线适线 软件，实现了海森几率格纸的自动绘制与调整，对格纸坐标的实时监控，及P-Ⅲ曲线的自动拟合。该软件具有良好 的精度，较强的交互性和通用性。

关键词: 皮尔逊Ⅲ型曲线, 海森几率格纸, VB, Excel, 适线软件

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