1) urban stormy formula
城市暴雨强度公式
1.
To the question about the selection of rule-function in inquiring urban stormy formula,the minimum rules,as optimization targets,about the absolute standard error,the relatively standad error and the power-coupled absolute standard error with relatively standad error were used to inquiring the optimal parameters of urban stormy formula.
针对城市暴雨强度公式制定中准则函数的选择问题,以绝对标准差最小准则、相对标准差最小准则,以及加权耦合的绝对与相对标准差最小准则等为推求暴雨强度公式最优参数的优化准则,采用性能较为优异的蚁群算法进行优化估计,并用实际资料对城市暴雨强度公式的不同准则和不同拟合方法的推求结果进行比较、检验和分析,系统研究了推求城市暴雨强度公式参数中准则函数的选择问题,为各地城市暴雨强度公式的制定提供了精确、科学、可行的依据。
2) storm intensity formula
暴雨强度公式
1.
Application of the differential evolution algorithm in estimating parameters of the storm intensity formula;
微分进化算法在暴雨强度公式参数优化中的应用
2.
Application of acceleration parallel genetic algorithm to estimating parameters of storm intensity formula;
加速并行遗传算法及其在暴雨强度公式参数优化中的应用
3.
ln addition, the storm intensity formula of some city in China a.
简述了暴雨系列的取样问题;改正了与经验频率有关的计算公式;提出以经验适线法来拟合暴雨系列是反S形的分布;比较了推求设计暴雨的几种方法,认为超定量综合法有偏于安全的结果;列述了我国一些城市的暴雨强度公式,其中的参数无一定的规律性,期望进一步工作,在点面上进行协调。
3) rainstorm intensity formula
暴雨强度公式
1.
The application and programming by Matlab of Genetic Algorithms in rainstorm intensity formula optimization problems;
遗传算法在暴雨强度公式参数优化中的应用及Matlab实现
2.
The rainstorm intensity formulas for the urban area and suburbs in Shanghai were deduced using 40-year complete rainfall data of the Xuhui District and 25-year annual maximum value of short duration rainfall in the suburbs.
利用上海徐汇区40年完整的降雨资料和市郊站点25年的短历时降雨年最大值资料,分别推求了上海市中心城区和市郊区县的暴雨强度公式。
3.
A new rainstorm intensity formula was draw up by means of the multi-samples per year method and the maximum per year method, which also was compared with the current formula.
在对上海市短历时暴雨强度公式研究中,介绍了降雨观测站点的选择、基础资料的获取、暴雨选样方法与数据统计。
4) urban rainstorm
城市暴雨
1.
Research and application of the mathematical model for urban rainstorm water logging;
城市暴雨内涝数学模型的研究与应用
5) storm intensity
暴雨强度
1.
Immune evolutionary algorithm and its application to parametersoptimization in storm intensity formula;
免疫进化算法及其在暴雨强度公式参数优化中的应用
2.
A Statistical method of city storm intensity formulas;
城市暴雨强度公式的统计方法
3.
By utilizing hydrology, climatology, geomorphology, computer and GIS technology, measured data on the annual rainfall of 824 stations in the Hangzhou region were collected, and the formula of storm intensity in 23 rainfall stations was ascertained.
运用水文学、气候学、地貌学、计算机和GIS技术,采集了杭州地区824站的年降水实测资料,推求出了23个雨量站的暴雨强度公式,对整个杭州市的设计暴雨强度空间分布进行了深入研究。
6) rainstorm intensity
暴雨强度
1.
A study of the formula of rainstorm intensity in Handan city;
邯郸市暴雨强度公式研究
2.
Research on a new-generation of rainstorm intensity formula for Shenzhen City;
深圳市新一代暴雨强度公式的研制
3.
The parameters of nine duration rainstorm intensity samples must be estimated when formulating the rainstorm intensity in urban drainage engineering.
城市排水工程中编制暴雨强度公式时,须对九种历时暴雨强度的样本系列进行参数估计。
补充资料:表光合强度(见光合强度)
表光合强度(见光合强度)
forecast of sowing or transplanting time
b iaoguanghe qiangdu表光合强度见光合强度
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条