1) secondary loss
二次损失,端部涡流损失,二次损耗,二次侧损耗
2) secondary loss
二次侧损耗
3) quadratic loss
二次损失
1.
Admissibility of parameter estimation on quadratic loss
在二次损失下参数估计的可容许性
2.
For general variance components model EY=Xβ,CoυY=mi=1σ 2 iV i,under the quadratic loss L(δ,SXβ)=(δ SXβ)′(δ SXβ),some necessary and sufficient conditions are given to linear estimators of estimable function SXβ being admissible in the classes of linear estimators.
在二次损失下,对一般的V=mi=1Vi≥0的情形,本文给出了SXβ的线性估计在线性估计类中可容许的充要条件。
3.
Choose the quadratic loss function,among the homogeneous linear estimator L0={MYN:M,N are m1×n,p×m2 constant matrix,MX1=K},the unipue Minimax admissible estimate of linear estimable function KBL is given.
对于增长曲线模型Y=X1BX2′+ε,E(ε)=0,COV(ε)=σ2VΣ,在该模型中,B是回归系数矩阵,选取二次损失函数,在齐次线性估计类L0={MYN:M,N分别为m1×n,p×m2的常数矩阵,MX1=K}中给出了线性可估函数KBL的容许Mini max估计,并且证明了其唯一性。
4) quadratic loss function
二次损失
1.
The linear Minimax estimator of regression coefficients in the variance component model under quadratic loss function;
二次损失下方差分量模型中回归系数的线性Minimax估计
2.
The minimax admissibility estimates of multivariate regression coefficient in the restricted growth curve model under quadratic loss function;
二次损失下带约束增长曲线模型的线性容许Minimax估计
3.
In this paper, when V=>0, thesufficient and necessary conditions for a linear estimator of Sβ to be admissible in the classof all linear estimators are given under quadratic loss function.
在本文中,我们在二次损失下,当V=>0时,给出了关于Sβ的线性估计在线性估计类中可容许的充要条件。
5) quadric loss
二次损失
1.
The linear admissible estimators of linear estimable function in the growth curve model with common mean parameter under quadric loss is found.
对于一般增长曲线模型,分别在某种齐次线性估计类和非齐次线性估计类中找到了系数矩阵的线性可估函数在二次损失下的容许Minimax估计。
2.
We study the minimax estimator and maximum risk under quadric loss in restricted linear models and unrestricted linear models respectively.
本文回顾了线性模型理论的基础知识,并将统计判决理论中的minimax估计问题在带约束条件和不带约束条件下的线性模型中在损失函数为二次损失下的minimax估计和最大风险问题进行了研究。
6) secondary flow loss
二次流损失
1.
By choosing reasonable suction location and combination,the large scale profile separation can be well controlled,but the effect on decreasing the secondary flow loss is limited.
计算结果表明,通过选用合理的抽吸位置及抽吸方式的组合,附面层抽吸能较好地控制叶栅内的大尺度的叶片表面分离流动,但对二次流损失的改善效果并不明显。
2.
The secondary flow loss is reduced by the slot at large negative angles of incidence,but the slot is of almost no use at other angles of incidence.
为利用端部孔隙结构控制叶栅二次流损失,对一种端部孔隙结构在不同攻角下对透平静叶栅内部流场的影响进行数值模拟。
3.
This blade can be used to produce counter pressure gradient at cascade passage end,reduce secondary flow loss,increase the efficiency of IP casing consequently,and improve the heat rate of units.
应用该叶片能使叶栅通道端部产生逆压力梯度,减少二次流损失,提高中压缸的流动效率,降低整机热耗。
补充资料:介质损耗角正切试验(见电容率与损耗因数试验)
介质损耗角正切试验(见电容率与损耗因数试验)
dielectric loss tangent test
)!eZh.sunhooJ一002匕engq一e sh一yon介质损耗角正切试验(dieleetri。1055 tangenttest)见电容率与损耗因数试验。
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