摘要：随着软件无线电的发展,软件定义卫星、软件定义卫星链路等思想在卫星通信系统设计中获得了越来越多的关注。为充分利用通信卫星的硬件资源,需要对卫星软件在轨重构系统技术进行深入而全面的研究。目前,针对卫星软件在轨重构方法的研究主要集中在通过卫星测控链路对星上个别软件进行更新,该研究思路未能从系统的角度出发考虑问题,因此设计的重构方法效率较低、可靠性不高。提出的利用星地高速馈电链路传输重构信息,通过星上多级数据缓存、存储,以及数据的集中式管控处理、分级下发。从系统的角度考虑软件定义卫星设计及星上软件的在轨重构,以期提高卫星系统运行的可靠性。该软件重构设计方法已经在某中轨卫星研制过程中得到了应用,取得了良好的效果。

摘要：阐述了药品的包装设计,指出进行药品包装设计时,设计师应该注重换位思考,在了解不同消费群体的心理感受和需求的同时,还应从药品包装的"人性化、民族化、环保化"等因素来考虑,使图形、色彩等元素做到醒目到位,更能适应现代消费者的需求。

摘要：建立电力碳排放权交易市场,开展碳排放权交易是推动中国实现低碳目标的可选途径之一。文中从电力市场出发,将碳排放权交易市场作为其衍生市场,开展以电力不平衡量为依据的独立碳排放权交易市场机制研究,提出了耦合电力交易的碳排放权责任市场规则。结合区块链技术,引入碳排放权交易“泛双边”交易机制,构建“多对多”的多轮碳排放权交易匹配与出清方式。其次,根据区块链技术特征,设计了碳排放权交易应用,提出了“泛双边”碳排放权交易机制模型。最后,通过算例验证了所提碳排放权市场机制的可行性。

摘要：In order to study the technology on cyclotron design,and to carry out researches on the crucial parts including the main magnet,beam diagnostics and engineering technology to accomplish the experimental verification of the 100MeV high intensity cyclotron and to pave the way for further increasing the current of the proton beam,a series of work has been done in succession since 2004,which highlights the research,design and fabrication of some of the critical *** technical requirement for each part has been reached *** present,all the work has been integrated into a set of comprehensive device,CRM Cyclotron,which is actually a test stand for high intensity cyclotron *** report will lay emphasis on the following:the CRM Cyclotron design and fabrication of relevant equipment,magnetic field mapping and shimming,10—15mA H- ion source,experimental research on RF cavity and injection system,beam commissioning on the internal target system,etc.

摘要：The turbulent flow in the draft tube of a Francis turbine is very complicated while working under off-design conditions. Although the off-design conditions were widely studied, the vortex core line in the draft tube of a Francis turbine with splitter blades is not well understood, especially the vortex rope property. This letter presents a prediction of the behavior of the vortex rope in the draft tube of the Francis-99 turbine obtained by the computational fluid dynamics (CFD), where the Liutex/Rortex method, as the most recent vortex definition, is applied to analyze the periodical precession of the vortex rope in the draft tube cone. The advantage of this Liutex/Rortex method is shown by its enhanced ability to represent the vortex rope structurewith the vortex-core lines. Furthermore, since it seems to be very hard to define a sharp boundary surface for the whole vortex structure, it is advantageousfocusing only on the vortex core line,by which different vortex structures can be clearly differentiated. The evolution of the vortex core and the process of the vortex breakdown in the draft tube are revealed, which might help to comprehend the development of the turbulent flow in the draft tube.

摘要：为对CYCIAE-100回旋加速器射频系统进行远程监测与控制,实现与CYCIAE-100回旋加速器主控制系统的联锁,研制了一种基于ARM9系列处理器的嵌入式IOC。该嵌入式IOC运行Linux操作系统,使用EPICS建立了IOC作为控制软件。通过软、硬件协同设计,扩展了ARM9系列处理器的SPI从设备数量,开发了ADC和DAC设备的Linux驱动程序和EPICS设备驱动程序。使用Python语言开发了EPICS串口设备支持程序。经过长期运行考验,该嵌入式IOC稳定可靠,满足远程监测和控制的需求。

摘要：提出一种嵌入式系统的工程化设计思想,并以此设计一种网络摄像机的硬件架构,实现了原型样机,解决了以单个通用DSP芯片作为核心网络摄像机系统的体系结构设计,并在实验中取得较好效果.

摘要：面向越库配送网络中供应商与客户之间多对多供需匹配场景,研究多对多越库配送绿色车辆路径问题,旨在优化越库配送模式下车辆配送路线,有效降低企业配送成本。以车辆运营成本、碳排放成本以及油耗成本之和最小化为目标,构建多对多越库配送绿色车辆路径问题的数学优化模型。针对供需关系、复杂耦合特征以及离散组合方案巨大的特点,采用自适应大邻域算法框架并设计移除算子和修复算子对该问题进行高效求解。通过不同问题特征的测试算例对模型和算法进行测试,分析供应商-客户节点分布情况、越库中心位置、供应商-客户供需比等特征对调度方案的影响。车辆路径方案和算法收敛曲线表明了模型的有效性,提出的算法能够高效、稳定地求解多对多越库配送绿色车辆路径问题。数值仿真结果显示,构建的模型平均总成本比以车辆运营成本最小为目标时减少2.87%,比以碳排放和油耗成本最小为目标时减少0.11%,表明该模型能够有效地兼顾车辆运营成本、碳排放成本以及油耗成本。此外,供应商-客户供需比为1时相对于供需比为2和3时总成本分别减少41%和170%,表明较小的供应商-客户供需比利于减少配送总成本;越库配送中心不同选址方案的结果表明,将越库中心建设于配送网络中心位置有利于节省配送总成本。

摘要：In a cyclotron,the RF cavity is the key device to accelerate *** RF cavity design for the 100MeV H^- cyclotron is very complex since the space is narrow and the Dee voltage is 60kV at the center and 120kV at the extraction *** MICROWAVE STUDIO is used in the design,and a real model has been *** test result on the model is in good agreement with the simulation result.

摘要：模拟井筒是用于模拟油田井下高温高压环境的实验装置,为高温高压厚壁容器.基于热力学及大涡模拟(LES)理论,建立了模拟井筒温度场物理方程.基于热弹性力学理论,建立了热应力物理方程.采用投影法求解温度场控制方程,采用梯形法数值积分求解热应力控制方程,给出了控制方程的离散格式.通过虚拟密度法对流固耦合传热进行求解,根据应力叠加原理对模拟井筒热应力和压应力及其耦合作用进行了数值求解分析.研究结果表明:设计壁厚最小值为0.18 m的模拟井筒,强度能够满足在400℃加热环境、内部加压220 MPa工作参数下进行高温高压实验.通过实验验证了所建立的数学模型与数值求解方法的正确性,为高温高压厚壁容器设计提供了理论依据.