渐近最优的经验贝叶斯决策

本文获得了刻度指数族变量带误差情形下的贝叶斯决策,且利用解卷积的核方法构造出了经验贝叶斯决策.在适当的条件下,证明了经验贝叶斯决策的渐近最优性.     

刻度指数族参数的经验Bayes估计的收敛速度

本文对刻度指数族在加权平方损失下获得了参数的Bayes估计,并构造了相应的经验Bayes（EB）估计,证明了所提出的EB估计是渐近最优的且有收敛速度,其中1/2≤λ<1,s≥3是一给定的整数.最后,给出了刻度指数族EB估计的两个应用.     

FIXED-DESIGN REGRESSION FOR LINEARTIME SERIES

1 IntroductionLet A be a subset of tlie real line R. Consider a fixed design regression modelYni = g(Z.i) + Eni, 0 S i S n, (1.1)liere xnot', xnn E A, are design points, En1,' f Enn are randon errors f g is an unknownfnnctiou. Assunle that for each nl {E.i, 0 5 i S n} have the saxne distribution as {(i, 0 5 i S n},where (f is a general weakly stationary llnear processhere {Z,} is a nurtingale dtherence sequence ralative to an increasing sequence of J-fields Rcosuch that E(ZllR--,) …     

SiC光导开关衬底与电极界面场强仿真与优化设计

研究电极结构、SiC与电极连接结构对界面场强的影响,通过电极边缘以及SiC晶体结构的优化降低界面处的电场增强,并通过高压试验测试优化电极结构的击穿电压。结果表明,优化电极倒角以及SiC晶体与电极的界面下埋可有效降低电场增强,在电极为圆倒角及界面使用焊料连接的结构下,使用介质环的器件在电压22 kV时击穿。     

Two-dimensional multiplicity fluctuation analysis of target residues in nuclear collisions

Multiplicity fluctuation of the target residues emitted in the interactions in a wide range of projectile energies from 500 A MeV to 60 A GeV is investigated in the framework of two-dimensional scaled factorial moment methodology.The evidence of non-statistical multiplicity fluctuation is found in 16 O-AgBr collisions at 60 A GeV,but not in 56 Fe-AgBr collisions at 500 A MeV,84 Kr-AgBr collisions at 1.7 A GeV,16 O-AgBr collisions at 3.7 A GeV and 197 Au-AgBr collisions at 10.7 A GeV.