多微机联控在大型三面翻广告牌翻转运动中的应用

多微机联控系统应用不同类型的单片机，构成一个主控制器和多个现场控制器，充分发挥不同类型单片机的长处以提高系统的实用性和性价比。主控制器和多个现场控制器之间采用异步串口通信或“软串口”按照“通信协议”实现分支通信，组成多微机联控的“集散式控制”系统，按三面翻牌面翻转的控制要求分段驱动电机，实现大型三面翻牌面的定画面、定时间、可选翻转方式、出错牌面的“自动纠错翻转”等驱动要求。多微机联控系统极大地简化了控制电路的连线，简化了电气控制安装工艺与施工，在降低工程费用和后期维修费用的同时，可大幅提高控制系统工程的可靠性、稳定性、性价比。     

Managing knowledge sharing in distributed innovation from the perspective of developers: empirical study of open source software projects in China

Knowledge sharing is the key factor that influences the performance of open source software (OSS) projects, which are the representative cases of distributed innovation. This paper aims to explore the mechanism of knowledge sharing in OSS projects from the perspective of developers in China. A quantitative method with the analysis of 403 valid questionnaires is adopted. A series of hypotheses about how distributed innovation (independent variables) influences knowledge sharing (mediating variable) and then affects the performance of OSS projects (dependent variable) are tested and approved. On the one side, we argue that developers will actively affect knowledge sharing in terms of participative motivation, social network and organisational culture. On the other hand, users may also affect the knowledge sharing when considering innovation willingness and capacity. It is interesting to find that social network is the most important factor in Chinese cases. It is strongly recommended to strengthen the collaboration between software companies and OSS communities.     

3G移动通信中脉冲成形FIR滤波器的ASIC实现结构

数字滤波器是语音与图像处理和模式识别等应用中的一种基本数字信号处理部件。本文提出了一种3G移动通信脉冲成形FIR滤波器的定向系统芯片实现结构：基于分布式运算(DA，即Distributed Arithmetic)结构的查表法。使用了Alter公司的FPGA芯片-EP1KSOQC208-3，阶数和位数以及滤波器特性均可方便改变。     

单片机在地热综合利用中的应用

本文以单片机实现对地热温室分布式控制为例,说明地热综合利用中应用单片机的方法。该系统包括一个主机和多个从机,主—从机间采用串行通讯。主机负责地热点的检测和管理,从机完成现场的数据采集和控制。文中介绍的方法也适用于粮仓、冷库和一般温室。     

基于分布式虚拟现实技术的汽车驾驶模拟器研究

介绍了虚拟现实技术和分布式虚拟现实技术，提出了基于分布式虚拟现实技术的汽车驾驶模拟器的系统模型和系统构成，探讨了汽车驾驶模拟器研究中输入、输出系统；传感和反馈系统；视景中的3D建模；汽车控制的动力学模型；基于人工神经网络、模糊数学理论的驾驶汽车知识描述等关键技术。这些关键技术的集成能用于改进汽车驾驶模拟器的交互作用和沉浸感。汽车驾驶模拟器可用于训练汽车驾驶员，也能用于研究驾驶员行为模式。     

双边关系质量与合作治理模式:整合分布式创新核心机制的概念模型

分布式创新是近年来技术创新领域的一个前沿主题,已有学者发现企业间双边关系质量对分布式创新结果和绩效具有促进作用,但关于其对分布式创新过程及治理模式的影响仍缺乏机理性认识。从社会网络视角,基于分布式创新机制与合作治理理论,提出了企业间关系质量—分布式创新机制—合作治理模式的分析框架。通过深入分析分布式创新中双边关系质量对合作治理模式选择的影响,构建了一个由分布式创新内在机制和合作涉及的技术范围组成的带有中介和调节作用的路径整合模型。总体来说,解释了双边关系质量通过完善分布式创新机制使得企业更倾向于选择股权合作模式的内在机理,希望通过该模型为后续学者提供一个分析双边关系特征与合作创新之间关系的新思路。     

对资产减值准备明细表编制的一点思考

本文介绍了各项资产减值准备的计提模式与计提方法,以及各项资产减值准备的计提与转回时的账务处理,并对资产减值准备明细表编制进行了归纳.     

法定数字货币运行的国际实践及启示

以比特币为代表的私人数字货币虽本质上不具备货币职能,但已对现行的货币与金融体系构成了巨大挑战。为应对这一挑战,各国央行正在积极研发或推行法定数字货币。对相关国家法定数字货币运行实践比较的结果表明:现有的法定数字货币大多以区块链技术为基础并由本国央行集中发行,主要采用双层运营体系;批发型设计有利于提高运行效率和金融安全,零售型设计则更有利于应用场景推广以满足不同需求;能否稳定币值事关法定数字货币试点成败。我国在研发法定数字货币的过程中应遵循稳步、安全、可控原则,尽快制定法定数字货币的相关法律法规,加大数字货币技术创新的研究力度,丰富应用场景,深化法定数字货币研发的国际合作。     

Learning “who we are” by doing: Processes of co-constructing prosocial identities in community-based enterprises

This study investigates how members in community-based enterprises (CBEs) engage in processes of co-constructing their collective prosocial identities. Based on an inductive analysis of 27 organizations that were formed explicitly as communities and sought to build alternative forms of production and consumption through innovative ways to pool and recombine resources, we found that all of the CBEs engaged in distributed experimentation that lead to epiphany sense-making. These two approaches triggered and enacted collective processes of shifts in identity or identity persistence. We advance a processual model that identifies approaches for how members of CBEs either embrace epiphanies in identity shifts or limit and react to epiphanies in identity persistence.     

Optimal pollution control with distributed delays

We present a model of optimal stock pollution control with general distributed delays in the stock accumulation dynamics. Using generic functional forms and a distribution structure covering a wide range of distributions, we solve analytically the complex dynamic system that arises from the introduction of these distributed delays. From a theoretical standpoint, our contribution extends the dynamic optimization literature that focused on single discrete delays and develops an original method to address control problems written as mixed type functional differential equations with general kernels. Our results show the qualitative impact of acknowledging these distributed delays on the optimal pollution paths dynamics. We study analytically the properties of the dynamics and we identify the conditions for the occurrence of limit cycles. This theoretical work contributes to the design of efficient environmental policies in the presence of complex delays.