关于惠斯登电桥测电阻中几个问题的讨论

本文简述了电桥原理。提出了电桥平衡和灵敏度计算方面的两个问题，并给出了解决办法。     

滑线式电桥电阻测量条件和灵敏度数据处理的探讨

运用不确定度,推出了滑线式电桥测电阻的最佳测量条件,指出了该条件应用时出现的问题,提出了解决办法：另外对电桥灵敏度测量的等效方法给出了证明,对灵敏度数据处理方法进行了补充。     

大学物理实验误差理论的简洁表述

本文用简练的方法把大学物理实验课的误差理论表述出来，而且引入了不确定度来描述测量结果。把容易混淆和不容易弄懂及不易被注意的问题作了适当的解释。     

Creation and Destruction of Entanglement via Fourier Multiport Devices

We study entangling and disentangling functions of optical Fourier multiport devices in which input-output relation for the creation and annihilation operators is given by a finite Fourier transform. It is shown that these Fourier multiport devices can act as entanglement converters which can not only create entanglement from an unentangled state at the input but also destroy entanglement in an entangled state at the input. Creation and destruction of two-mode and three-mode entangled coherent states （ECSs） are investigated in detail. The creation and destruction of Bell-type two-mode ECS, GHZ-type and W-type three-mode ECSs are indicated explicitly through using Fourier four-port and six-port devices, respectively.