基于DE2的数字电路综合性实验改革和实践

在分析数字电路综合性实验引入EDA实验教学的必要性和可行性的基础上,结合Altera公司的DE2开发板,设计出适合教学的EDA综合性实验内容。实验结果表明利用DE2开发板对数字电路综合性实验进行改革,改善了教学手段,丰富了教学内容,教学效果良好,对于教学水平的提高十分有益。     

Distributed Satellite Cluster Network: a Survey

The ability of the monolithic satellite,satellite orbit(especially GEO),and radio resource are very limited,so the development of distributed satellite cluster network(DSCN) receives more and more worldwide attention.In this paper,DSCN is surveyed and the study status of DSCN architecture design is summarized.The formation flying of spacecrafts,reconfiguration,networking,and applied research on distributed satellite spacecraft are described in detail.The DSCN will provide a great technology innovation for space information network,satellite communications,satellite navigation,deep space exploration,and space remote sensing.In addition,this paper points out future trends of the DSCN development.     

基于软PLC的三容液位模糊控制系统

应用模糊控制技术和软PLC技术对三容液位控制装置进行智能控制.从实时控制趋势图可以得出,三容液位模糊控制系统的超调为2%,控制精度在±1%以内.该结果表明:基于软PLC的液位模糊控制具有精度高、易实现等突出特点.