请输入您要查询的字词：
单词
efficient estimate
释义
efficient estimate
Encyclopedia
理学
参数估计
释
efficient estimate
有效估计
一致最小方差无偏估计是一种优良估计量，这里的方差到底有多小呢？克拉默-拉奥（Rao-Cramer）在1945～1946年给出了一个无偏估计的方差所不可逾越的下界，亦称克拉默-拉奥不等式或克拉默-拉奥下界，实际上有一些一致最小方差无偏估计未必能达到克拉默-拉奥下界。因此，我们把无偏估计的方差达到克拉默-拉奥下界的估计称之为有效估计。
Mathematics
＞数理统计＞样本·统计量＞释义
efficient estimate
有效估计
efficient estimate
有效估计
†
随便看
risk assessment index
risk assessment method for working conditions
risk assessment of anti-terrorism
risk assessment of biological invasion
risk assessment of cancer
risk assessment of chemical substance
risk assessment of compounds without threshold level
risk assessment of compounds with threshold level
risk assessment of cross-species infection
risk assessment of enhancement and releasing in fishery
risk assessment of environmental health
risk assessment of geological hazards
risk assessment of potential losses caused by invasive species
risk assessment of social stability for urban rail transit
risk assessment of soil pollution
risk assessment of space radiation
Risk Assessment Procedures
risk assessment services
risk assets
risk attitude
risk averse
risk aversion
risk avoidance of resource development
risk based inspection
risk based inspection for mechanical system
科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间：2025/11/27 23:52:58