课堂教学质量的模糊综合评判
将模糊综合评判的数学方法应用于教师课堂教学质量的评估体系,建立了数学模型,对模型中的一级指标和二级指标分别采用德尔斐法和专家赋分的方法确定各评价指标权重。用此模型对被测教师的课堂教学质量进行了全面评价,并与专家评价结果进行比较,结果表明该模型具有较好的实用性。
调整专业课程体系,拓宽专业口径,培养合格人才——信息与计算科学专业的建设与改革
信息与计算科学专业是一门新兴的理科专业,探索如何办好本专业是一项较有意义的工作,调整课程体系,拓宽专业口径,将信息与计算融为一体,是专业建设的新途径,另外,文章还初步讨论了信息与计算科学专业的实践教学和师资队伍建设问题。
风险管理测度VaR和TCE的实证研究
针对单一金融产品和由多种资产组成的投资组合两种情况,用几只股票的历史收盘数据实证比较了两种先进的度量金融市场风险测度———风险值(VaR)和尾部条件期望(TCE)的有效性。结果显示,TCE比VaR更有效。
Two-stage Hydroacoustic Signal Demodulation Based on Attention and Generative Lightweight Folding U-network
Hydroacoustic signal demodulation plays a crucial role in underwater communication systems. Recently, deep learning-based methods have gained popularity due to their ability to …
ST-SSNet: Spatio-temporal feature fusion-based DOA estimation network for underwater array signals
For Underwater Internet of Things (UIoT) applications, the accurate and efficient estimation of the direction of arrival (DOA) is fundamental to technologies such as node …
Modeling and Optimal Control of Spatiotemporal Malware Propagation in Underwater Wireless Sensor Networks
Underwater wireless sensor networks (UWSNs) have been shown to overcome the environmental extremes and energy dependency issues faced by traditional IoT in marine environments, …