马尾松毛虫越冬幼虫简易序贯抽样模型研究

Study on the Sampling model of simple sequent for wintering larva of mason pine moth Dendrolimus punctatus

采用指数曲线拟合方法 ,研究了马尾松毛虫越冬代 3～ 4龄幼虫的 p -m关系 ,得其关系方程为m =0 .0 4 31e6 570 3p,制作了 p -m简易估计相关数表。在此基础上 ,采用马占山(1988)的简易序贯抽样决策模型进行了简易序贯抽样分析 ,制作了简易序贯抽样分析图、表。另外 ,本文还提出了“基本抽样数”的概念及其计算公式 :qmin=t2αPt/ (1-Pt)。

The index regression method was used to correlation analysis p-m of Dendrolimus punctatus larvae.Its relationship was: m=0.0431e 6.5703p ;and making its Easy Ways for estimate p-m data table. Based on this, Ma Zhan-shan's Model(1988) is applied to the Simple Sequential Sampling Analysis, and Making for its Analysis table and figure. On the other hand, The paper first put forward the conception of 'Basic Sampling Unit Numbers', and gave its count equation is :q min =t 2 αP t/(1-P t)