为提高教学质量,培养网络安全高尖人才,文章分析了《现代密码学原理》课程中存在的课程目标与产业需求不匹配、学生学习主动性差和实践能力培养不足等问题,并从教学目标、教学内容、教学方式和教学评价入手,深入探讨了《现代密码学原理...为提高教学质量,培养网络安全高尖人才,文章分析了《现代密码学原理》课程中存在的课程目标与产业需求不匹配、学生学习主动性差和实践能力培养不足等问题,并从教学目标、教学内容、教学方式和教学评价入手,深入探讨了《现代密码学原理》课程教学改革的途径,并提出了“以学生为中心、多元融合、以赛促学”的混合式教学改革方案,取得一定成效。To enhance the teaching quality and cultivate top-notch talents in cyber security, this paper analyses the issues existing in the course “Modern Cryptography Principles”, including the mismatch between the course objectives and industrial demands, students’ poor initiative in learning, and the insufficiency in cultivating practical abilities. Beginning with the teaching objectives, teaching contents, teaching approaches and teaching evaluations, it deeply investigates the pathways of the teaching reform of the “Modern Cryptography Principles” course and puts forward a blended teaching reform scheme of “student-centered, multi-integration and promoting learning through competitions”, which has achieved a certain effect.展开更多
下一代移动通信网络将有效覆盖各类智能设备、工业物联网及车联网等应用,对不同应用中信息传输的可靠性、安全性及传输时延提出了更高的要求。本文提出一种基于载波序号调制(Orthogonal frequency division multiplexing with index mod...下一代移动通信网络将有效覆盖各类智能设备、工业物联网及车联网等应用,对不同应用中信息传输的可靠性、安全性及传输时延提出了更高的要求。本文提出一种基于载波序号调制(Orthogonal frequency division multiplexing with index modulation,OFDM-IM)的多分集传输方案,可有效提升高可靠低时延通信(ultra Reliable and Low Latency Communication,uRLLC)场景中信息传输的可靠性及系统调制解调的计算复杂度。为了降低接收端的计算复杂度,本文提出一种用于多分集OFDM-IM系统的基于单个子载波计算的接收机算法,通过将基于子块计算过程分解为两步计算的方式来降低解调过程的计算复杂度。计算机仿真结果证明了本文提出的多分集OFDM-IM可以获得比传统单个符号多次重发方式获得发送分集增益更优的误比特性能。展开更多
文摘为提高教学质量,培养网络安全高尖人才,文章分析了《现代密码学原理》课程中存在的课程目标与产业需求不匹配、学生学习主动性差和实践能力培养不足等问题,并从教学目标、教学内容、教学方式和教学评价入手,深入探讨了《现代密码学原理》课程教学改革的途径,并提出了“以学生为中心、多元融合、以赛促学”的混合式教学改革方案,取得一定成效。To enhance the teaching quality and cultivate top-notch talents in cyber security, this paper analyses the issues existing in the course “Modern Cryptography Principles”, including the mismatch between the course objectives and industrial demands, students’ poor initiative in learning, and the insufficiency in cultivating practical abilities. Beginning with the teaching objectives, teaching contents, teaching approaches and teaching evaluations, it deeply investigates the pathways of the teaching reform of the “Modern Cryptography Principles” course and puts forward a blended teaching reform scheme of “student-centered, multi-integration and promoting learning through competitions”, which has achieved a certain effect.
文摘下一代移动通信网络将有效覆盖各类智能设备、工业物联网及车联网等应用,对不同应用中信息传输的可靠性、安全性及传输时延提出了更高的要求。本文提出一种基于载波序号调制(Orthogonal frequency division multiplexing with index modulation,OFDM-IM)的多分集传输方案,可有效提升高可靠低时延通信(ultra Reliable and Low Latency Communication,uRLLC)场景中信息传输的可靠性及系统调制解调的计算复杂度。为了降低接收端的计算复杂度,本文提出一种用于多分集OFDM-IM系统的基于单个子载波计算的接收机算法,通过将基于子块计算过程分解为两步计算的方式来降低解调过程的计算复杂度。计算机仿真结果证明了本文提出的多分集OFDM-IM可以获得比传统单个符号多次重发方式获得发送分集增益更优的误比特性能。
