当前位置: 首页 > 文章 > 直线型线截抽样理论 林业科学 2010,46 (5)
Position: Home > Articles > THEORY OF STRAIGHT-LINE INTERSECT SAMPLING Scientia Silvae Sinicae 2010,46 (5)

直线型线截抽样理论

作  者:
罗仙仙;亢新刚
单  位:
森林培育与保护教育部重点实验室
关键词:
森林资源综合监测;直线型线截抽样;参数估计
摘  要:
抽样调查技术是森林资源综合监测关键技术.线截抽样是稀疏总体的调查方法,是一种有放回不等概抽样方法,在蒲丰随机投针问题基础上推导而来,具有完善的理论基础.为实现我国现阶段监测的新需求,对直线型线截抽样的总体总值、密度、均值的条件和无条件估计,以及方差、估计区间、精度进行系统推导,以期为森林资源综合监测提供抽样技术指导.
译  名:
THEORY OF STRAIGHT-LINE INTERSECT SAMPLING
单  位:
1. KEY LABORATORY FOR SILVICULTURE AND CONSERVATION OF MINISTRY OF EDUCATION;BEIJING FORESTRY UNIVERSITY BEIJING 100083;2. COLLEGE OF MATHEMATICS AND COMPUTER SCIENCE;QUANZHOU NORMAL UNIVERSITY QUANZHOU 362000
关键词:
FOREST RESOURCES COMPREHENSIVE MONITORING%STRAIGHT-LINE INTERSECT SAMPLING%PARAMETER ESTIMATION
摘  要:
Sampling survey technique is key to forest resources comprehensive monitoring. Line intersect sampling is survey method of rare population and unequal probability sampling with replacement. It based on Buffon’s needle problem and had a perfect theory basis. To meet the forest ecological need at present,the conditional estimation and unconditional estimation of population total,density and mean,at the same time,variance,estimation interval and precision of straightline intersect sampling was systematically d...

相似文章

计量
文章访问数: 8
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊