基于单片机的嵌入式SNMP代理器设计与实现

将SNMP(简单网络管理协议)用于控制,使监控现场的信号通过SNMP传输。给出了在51单片机上实现SNMP代理器的方案。阐述了网络接口、A/D采集以及串口的设计,软件采用实时多任务操作系统M icro-C/OS,用人机交互任务、数据采集任务、SNMP处理任务实现所需要的功能。     

神光-Ⅱ装置三倍频实验中靶场单元技术的改进

 主要介绍为了满足神光-Ⅱ高功率激光装置三倍频光（351nm，3ω）的物理实验要求，靶场三倍频模拟光源和瞄准监视系统两个主要单元技术的改进，即三倍频模拟光源由基频光（1 053nm，3ω）通过腔外的KTP+BBO晶体倍频获得，再经八路分光系统和主激光耦合；瞄准监视系统由透射式光学系统改进为反射式光学系统，避免原系统存在较大的色差，提高瞄准精度。     

Objective Information Theory Exemplified in Air Traffic Control System

Information is the core of Air traffic con-trol system (ATCS).In this paper,objective information theory is extended to depict,model and measure the information exemplified in ATCS.The sextuple model is presented with information ontology,state occurrence time,state set,carrier,reflection time,and reflection set.The metric system is given to quantitively measure the information with extensity,detailedness,continuity,richness,containability,delay,pervasiveness,authenticity,and adaptability.The results show that the proposed method is potential to find out actual indexes in ATCS for flight safety.     

依托超星平台实现电子技术实验考核

分析目前电子技术实验考核中存在的问题,以模拟电子技术实验为例,依托超星平台,建立了多维度的过程性考核体系。利用超星平台的统计和评价功能,将学生的成绩分为线上和线下两部分,线上成绩包括预习和测验。线下成绩包括实验操作,实验报告和素养成绩。实践证明,多维度的过程性考核体系能大大提高学生的学习兴趣、能够提升学生的综合能力和创新能力、能够全面客观地评价学生的学习效果和极大地提升实验教学质量     

电力系统方向大创项目选题和研究基础探讨

由于实验成本高、对专业知识要求较高、研究进展慢、不易出成果,高校电气工程学科大创项目中,电力系统方向大创项目数量占比较低。根据不同年级课程计划和研究方向,对电力系统学科方向大创项目选题,给出一些建议;总结了该方向大创项目研究所需要的理论基础和实践基础。     

新工科背景下测控技术与仪器培养体系

新工科背景下给予测控技术与仪器专业发展前所未有的机遇,同时也对其人才培养体系提出了更高的要求。本文以“增强产业结合、落实目标引导”,进行教学方案与培养体系的优化和高水平、多学科融合课程体系的建设,从而实现人才培养体系的创新。根据培养目标对课程体系进行了优化、加强了课堂教学管理,教师内部学习传承并加强过程监督管理以保证教学效果,同时采用加大开放办学、促进交流合作学科竞赛、科研融入教学的改革方式促进教学体系的持续完善和改进。经实践证明：学生的学习能力、研究创新能力和工程分析能力都有了明显的提高。     

Hamiltonian Systems and Darboux Transformation Associated with a 3 × 3 Matrix Spectral Problem

Starting from a 3 × 3 matrix spectral problem, we derive a hierarchy of nonlinear equations. It is shown that the hierarchy possesses bi-Hamiltonian structure. Under the symmetry constraints between the potentials and the eigenfunctions, Lax pair and adjoint Lax pairs including partial part and temporal part are nonlinearied into two finitedimensional Hamiltonian systems (FDHS) in Liouville sense. Moreover, an explicit N-fold Darboux transformation for CDNS equation is constructed with the help of a gauge transformation of the spectral problem.     

Error Performance of Amplitude Shift Keying-Type Asymmetric Quantum Communication Systems

We propose an amplitude shift keying-type asymmetric quantum communication (AQC) system that uses an entangled state. As a first step toward development of this system, we evaluated and considered the communication performance of the proposed receiver when applied to the AQC system using a two-mode squeezed vacuum state (TSVS), the maximum quasi-Bell state, and the non-maximum quasi-Bell state, along with an asymmetric classical communication (ACC) system using the coherent state. Specifically, we derived an analytical expression for the error probability of the AQC system using the quasi-Bell state. Comparison of the error probabilities of the ACC system and the AQC systems when using the TSVS and the quasi-Bell state shows that the AQC system using the quasi-Bell state offers a clear performance advantage under specific conditions. Additionally, it was clarified that there are cases where the universal lower bound on the error probability for the AQC system was almost achieved when using the quasi-Bell state, unlike the case in which the TSVS was used.     

COMPLETE REDUCIBILITY FOR QUASILINEAR HYPERBOLIC SYSTEMS

In this paper we present a necessary and sufficient condition to guarantee the complete reducibility for quasilinear hyperbolic systems and give some examples.     

动力调谐陀螺仪的瞬态动力学及误差分析

为了建立陀螺仪在过载—振动复合环境下的误差模型,应用有限元分析软件ANSYS,针对某型导弹使用的动力调谐陀螺仪的结构,建立基于具体参数的实体和有限元动力学模型,并开展了陀螺仪的瞬态动力学分析研究,由此计算由于陀螺转子和平衡环的质心偏移造成的陀螺仪漂移误差,得到在过载—振动复合环境下陀螺仪漂移角速度与在过载、振动单一环境下漂移角速度之间的关系。