首页 | 本学科首页   官方微博 | 高级检索  
     

亚洲玉米螟产卵量增长曲线拟合方法之探讨
引用本文:金开正. 亚洲玉米螟产卵量增长曲线拟合方法之探讨[J]. 信阳农业高等专科学校学报, 1991, 0(1)
作者姓名:金开正
摘    要:本文根据改进的指数曲线与加权最小二乘法理论,提出了亚测玉米螟种群增长所遵循的逻辑斯蒂曲线的新的拟合方法。应用这个方法建立了亚洲玉米螟种群增长模型,其结果较目测法、三点法、统计优选法、枚举法等方法的计算工作量小,曲线拟合精度高,且本法还可以应用于观察值y为连续分布的数据拟合。

关 键 词:亚洲玉米螟  种群增长  逻辑斯蒂曲线  昆虫种群增长  拟合方法

Studies on Fitting Method For Increasing Curve of Egg-Mass of Asian Corn Borer
Jin Kaizheng. Studies on Fitting Method For Increasing Curve of Egg-Mass of Asian Corn Borer[J]. Journal of Xinyang Agricultural College, 1991, 0(1)
Authors:Jin Kaizheng
Affiliation:Jin Kaizheng
Abstract:According to improved exponential Curve and Weighted method of least square theory,this paper put forward the new fitting of Logistie Curve followed by increase of Asian Corn Borer population. Apptying this method, it found increase model of Asian Corn Borer population, the work load of calculation has been reduced and better precision of curvefitting can be ob-tained as compared with the method of three points, range esti - mation, statistical-optimm seeking method, exhaustion, etc.This method can be using data fitting that observed points y is continu -ous distributing.
Keywords:improved exponential Curve weighted method of least squa -re Logistic Curue increase of insect population fitting method
本文献已被 CNKI 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号