点对点模拟指挥演练平台的设计与实现

为了提高指挥官在警情发生时所做的决策部署的及时性和准确性,设计并研发点对点模拟指挥演练平台。从操作性、稳定性、真实性3个方面对该平台进行详细的设计,并在研发过程当中,对技术难点相应的解决方案进行分析对比,从中选择出最优方案来满足该平台的真实性。通过在警务技能训练系统中的集成应用,显示了模拟演练平台所发挥的作用,提高了参训人员的基本技能、战术素养和行动能力。     

关于I/O模拟的讨论

详细分析Windows的I/O机制,提出了分别在用户级、系统级、驱动级的I/O模拟操作,通过实际案例和源代码分享在I/O模拟上的得失,着重介绍鼠标与键盘的模拟。     

支架式教学与计算机程序设计语言

建构主义教学模式下的支架式教学是讲授计算机程序设计语言课程的恰当方法,它强调把复杂的任务加以分解,把学习者的理解逐步引向深入,由学习者主动完成信息的建构。在教学实践中应用搭脚手架、创造情境、独立探索、协作学习、效果评价等手段,使支架式教学落实到教学各个环节,教学效果良好,呈现出良好的应用前景。     

南水北调东干渠工程安全监测数据分析与处理技术研究

东干渠工程是北京市南水北调配套工程之一,是中心城环线供水系统重要组成部分,承担第十水厂、通州水厂等东部区域供水任务.东干渠工程建设了安全监测系统,监测内容包括环境量、变形、渗流、应力、应变及专项监测等.但监测系统存在监测数据中断、仪器失效及缺少初值等问题.对某典型断面的应力、应变及温度等内观监测数据以及东五环段的沉降监测数据进行了梳理、对比验证分析,明确了监测数据的合理性,初步确定了沉降风险点,为东干渠工程安全监控提供技术支撑.     

Feasibility of the indirect determination of blast-induced rock movement based on three new hybrid intelligent models

Engineering with Computers - The indirect and accurate determination of blast-induced rock movement has important significance in the reduction of ore loss and dilution and in the protection of...     

Authority updating: An expert authority evaluation algorithm considering post‐evaluation and power indices in social networks

In group assessment, the focus is on finding high‐authority experts to improve the reliability of assessment results. In this study, we propose an authority updating algorithm while considering the power and judgement reliability of an expert on the basis of social networks and post‐evaluations. A network power index is established and used to reflect the power of an expert while considering social networks. The measurement of the judgement reliability of an expert considers the post‐evaluation of the objects selected by experts, thereby more scientifically reflecting the reliability of experts. The analysis shows the following: although the social‐network structure influences the authority of experts, the influence weakens when the assessment group is a highly or even fully connected group; the network effect may increase the authority of some experts and reduce that of others, and it will weaken as the network connectivity increases; moreover, the judgement reliability and authority of an expert while considering post‐evaluation can encourage him/her to make fair assessments and strive to reduce his/her motivation and cognitive biases.     

Entity-level sentiment prediction in Danmaku video interaction

The Journal of Supercomputing - Sentiment analysis in Danmaku video interaction aims at measuring public mood in respect of the video, which is helpful for the potential applications in behavioral...     

EEG extended source imaging with structured sparsity and $$L_1$$ -norm residual

Neural Computing and Applications - It is a long-standing challenge to reconstruct the locations and extents of cortical neural activities from electroencephalogram (EEG) recordings, especially...     

Creativity in non‐routine jobs: The role of transformational leadership and organizational identification

An increasing number of individuals work in jobs with little standardization and repetition, that is, with high levels of job non‐routinization. At the same time, demands for creativity are high, which raises the question of how employees can use job non‐routinization to develop creativity. Acknowledging the importance of social processes for creativity, we propose that transformational leaders raise feelings of organizational identification in followers and that this form of identification then helps individuals to develop creativity in jobs with little routinization. This is because organizational members evaluate and promote those ideas as more creative, which are in line with a shared understanding of creativity within the organization. To investigate these relationships, we calculated a mediated moderation model with 173 leader–follower dyads from China. Results confirm our hypotheses that transformational leadership moderates the relationship between job non‐routinization on employee creativity through organizational identification. We conclude that raising feelings of social identity is a key task for leaders today, especially when working in uncertain and fast developing environments with little repetition and the constant need to develop creative ideas.     

果园数据采集和监控的低功耗节点设计

针对果园种植密度大、障碍物多使得通信受阻的缺点,设计了一种适合果园数据采集和监控的低成本、低功耗的传感器节点;节点的微控制器采用低功耗ATmega128L,射频模块采用CC2420,并采用SHT11空气温湿度传感器、ISL29010光照传感器、FDS-100土壤水分传感器、Pt1000土壤温度传感器作为传感器模块,对节点的软件进行了详细设计,改进了操作系统任务调度方法,通过引入休眠机制设计了MAC层和网络层通信协议;通过将文中节点应用于南通海安市的大公镇果园试验基地,结果表明:文中设计的节点在采样周期为1 050 s时,能正常工作116天,具有低功耗和生命周期长的优点,同时其采样湿度的平均误差仅为0.213％,具有数据采集精度高的优点,能满足果园信息采集和监控的要求.