【摘要】 皮尔逊-Ⅲ型分布是我国水利水电工程水文计算规范中推荐采用的分布,现行广泛采用的是适线法。本文介绍了适线法的基本原理,利用Microsoft Visual Studio 2008软件平台开发了频率曲线可视化程序,可对一个系列的水文资料进行适线,以多种方式保存结果,计算速度快,可视化程度高,具有良好的精度、较强通用性,有一定的应用价值和教学意义。更多还原

【Abstract】 Pearson-Ⅲdistribution is a type of distribution recommended in hydrology algorithm standard by China’s water conservancy and hydropower engineering.Currently the wide used approach is curve fitting method.This paper introduces the basic principle of the curve fitting method,develops visualization program for frequency curve by using Microsoft Visual Studio 2008software platform,which can be used for a series of hydrological data of curve fitting,and storing the results in a variety of ways with the characteristics of high calculation speed,high degree of visualization with good accuracy and strong universality,having certain application value and teaching significance.更多还原