一种改进的LTE网络用户身份认证方法

基于用户首次接入网络,国际移动用户识别码（IMSI）以明文形式发送的情况,提 出在LTE中利用动态移动用户识别码（DMSI）来代替IMSI的方法,并且从LTE安全的机密性和 完整性保护两个方面以及采用DES（Data Encryption Standard）加密算法进行仿真论证得 出：采用DMSI的身份认证过程安全性更强,并且可以防止重放攻击。     

国外海军先进射频集成系统分析

通过对比分析国外先进舰载射频集成系统特点,研究国外舰载雷达、通信和电子战系统射频集成采用的关键技术,认为发展多功能相控阵天线、采取超宽带和重构等技术手段,是实现舰载射频集成系统的资源共享、统一调度,完成相应作战任务的关键.这些关键技术能解决绝大部分现役舰船天线拥挤、隐身性差的问题,从而提升舰艇的作战能力.     

第三代移动通信系统中用户移动性模型的研究

本文在研究第三代移动通信系统特点和分析UMTS标准模型与可扩展模型的优缺点的基础上，建立了适用于第三代移动通信系统的综合模型，研究和分析了不同类型用户情况下该综合模型的信道占用时间，并给出了仿真结果。     

Contrasting Single User and Networked Group Decision Support Systems for Strategy Making

The use of computers to support group work – as a Group Decision Support System (GDSS) – on strategy making has grown over the last decade. Some GDSS's have a facilitator managing the computer with the group viewing a public screen displaying the debate, problem definition, and agreements of the group as it negotiates strategies. Others involve members of the group in the direct input of data that forms part of the problem definition – data that is then used by the group employing electronic voting and other organizing devices. This paper discusses a real case relating to an organization seeking to reach important agreements about its strategy. The case involved the top management team and over 50 senior managers. The organization used a facilitator driven GDSS for some of this work, and a networked system for other parts. Some of the meetings were video taped, some were observed through one-way mirrors, and all of the participants were interviewed about their reactions to the different systems. This paper reports on some of the significant contrasts between the two approaches.     

BiCMOS技术在通信领域的研究与进展

为了促进我国通信用高性能电子电路和各种通信ASIC新产品的设计、研制和应用，本文首先论述了性能卓越的BiCMOS技术的先进性，然后讨论了国外流行的两种BiCMOS工艺制作技术及其特殊考虑，以及在通信工程中的应用电路，最后分析了BiCMOS技术在我国高速通信、信息处理电路和系统(如CPU、SRAM、DSP、SOC和数/模混合电路等)中的应用前景和发展趋势。文中提出了运用先进的BiCMOS技术于中国通信电路和系统中的观点。     

Interorganizational Information Systems and Business-to-Business Relationships: System Characteristics,Assistance, Performance,Satisfaction, and Commitment Model

We introduce the SAPSaC model to see how relationship characteristics influence the implementation and outcomes of a specific type of inter-organization information system—electronic data interchange (EDI). Using a relational exchange perspective, we examine the effects of interfirm system characteristics, target firm capabilities, and initiator assistance, on project outcomes. We explore effects of three system characteristics—relationalism, dependence, and tenure on initiator assistance. System characteristics and assistance are hypothesized to affect outcomes—project performance, satisfaction, and commitment to the relationship. We consider the target's task readiness an additional determinant of initiator assistance and performance. Using sample survey data from firms in the housewares industry, we find that initiator assistance stems from relationalism, not tenure. From the target's perspective, project performance derives from relationalism and tenure. Satisfaction is driven by relationalism, tenure, assistance, and performance. Commitment comes from relationalism, dependence, and satisfaction. A multi-industry study successfully replicates most of the results.     

员工援助项目(EAP)的网络运营

员工援助项目(EAP)是一项为工作场所中个人、组织提供咨询的服务项目。它是现代企业管理中一个备受瞩目的新的工具。本文介绍了员工援助项目的定义、发展简史及其作用,并在简单介绍互联网络的功能的基础上,剖析了员工援助项目宣传、动员、调查、实施以及售后等环节的网络运营情况,并提出了员工援助项目在网络运营中应该注意的基点问题。     

用户可编程门阵列

第一代的可编程逻辑器件(PLD)以1片器件代替5至10片TTL器件,最新一代可编程器件FPGA可以代替40至400片小规模集成电路。本文介绍四种可编程门阵列的基本结构和主要性能,并给出采用该类器件设计电路的编程技术。     

User Acceptance of Web-Based Negotiation Support Systems: The Role of Perceived Intention of the Negotiating Partner to Negotiate Online

With the rapid growth of web-based services and global trade, there is some commercial potential for web-based Negotiation Support Services (WNSS). This market potential, however, is somewhat untapped. While previous studies had examined WNSS adoption by individual decision makers, this situation is not fully realistic, as the conformity of all negotiating partners is required for web-based negotiation to happen. Therefore, this study extends the technology acceptance model for the context of e-negotiation through the inclusion of perceptions regarding the intention of the negotiating partner to use WNSS (i.e., perceived intentions). An empirical investigation, based on phone interviews with potential users, supports the research model. The perceived intention of the negotiating partner to agree to use WNSS was found to have significant positive effect on individuals’ acceptance of WNSS and its antecedents. Adding this construct into WNSS acceptance theory advances our understanding of WNSS adoption and provides important insights for scholars and practitioners.     

In-Kind Food Assistance and Consumer Food Choice

In-kind food assistance was the mainstay of federal food programs until the food stamp program expanded. Analysis of aggregate data suggests that large donations of cheese and butter since 1982, through the Temporary Emergency Food Assistance Program, replaced recipients’ normal purchases of the donated products, reduced consumption of close substitutes, and increased consumption of certain other protein foods. Programs of this type appear to have limited ability to enhance total demand for products in surplus.     

Increasing the Effectiveness of Export Assistance Programs

Abstract

This study focuses on the export assistance needs of small and medium-sized firms in the California EnviroTech industry. The objectives of this study are to: (1) provide public sector assistance providers research-based recommendations to increase the effectiveness of their export assistance programs to the EnviroTech industry; and (2) promote the advantages of a single industry study as the basis for providing public sector export assistance.     

公共救助分配中的公平与效率

现代市场经济以其充分满足消费者需求的效率而备受推崇,但其运行的结果会产生收入分配不公和低收入群体的负面影响。公共救助是向低收入群体传递与分配社会资源的重要机制。本文首先从公共救助分配的公平机制入手,分析了建立政府主导型公共救助制度的必然性。然后从社会福利这一新的视角来界定公共救助的内涵,以充分体现特定的社会价值观念取向。最后探讨了我国公共救助制度的有关效率问题。     

刑事被害人救助体系论说

从目前我国的立法实践来看,构建刑事被害人救助体系是十分必要的,在这个体系中,仅靠被害人自助和求助于被告人补偿目前还很不现实,需要首先在补偿对象及条件、补偿金来源、补偿机构的设置、补偿启动机构及方式等方面建立完善的国家补偿制度,同时完善社会援助机制,这是解决目前被害人不利处境的主要途径。此外,还需完善我国的刑事附带民事诉讼制度,使我国的刑事被害人救助制度更加完善。     

西方学者首次著书正面评价中国对非援助

美国美利坚大学（American University）教授狄波挂·布劳提甘（Deborah Brautigam）新近出版的名为《龙的礼物：中国在非洲的真实故事》一书。该书被外界评论为“研究中非关系的西方权威学者首次提出对中国有利的结论”。     

电子商务推荐系统中用户建模研究——基于用户隐性行为分析的视角

用户模型是电子商务智能推荐系统的关键,它是系统智能推荐的依据,是决定个性化信息服务质量的关键因素。基于用户隐性行为分析的视角,分析用户的兴趣度,在原型系统的基础上,通过对用户行为的分析,推导出用户隐形知识,从而对用户模型进行构造和更新,构造出原型模型和个体用户模型,并探讨了二者间交互机制与个体模型的更新机制,同时,通过浏览行为估计用户兴趣度的方法无需用户主动参与,有助于提高个性化服务系统的亲和力,在理论上具有可行性,但在实际运用中还有一定难度,主要表现在时间滞后性与复杂的计算过程。     

黑龙江农村贫困人口社会救助研究

目前,黑龙江人口的贫困发生率和农村人口的贫困发生率都高于全国平均水平,是贫困发生率较高的地区,这凸显出黑龙江农村贫困人口社会救助工作的艰巨性。黑龙江省贫困人口社会救助主要包括生活社会救助、医疗社会救助和生产社会救助,这对农村贫困人口的生产、生活起到了重要的作用,但是仍存在救助范围狭窄、救助内容过于侧重绝对贫困、救助形式单一等问题。为解决这些问题,黑龙江省应重视对农村贫困人口的教育救助,加强农村社会救助对象与救助标准的透明度,增强农村贫困人口医疗社会救助的投入力度。     

建立我国贸易调整援助制度的构想

随着我国加快融入全球贸易自由化的进程,日趋激烈的进口竞争致使国内相关产业的安全问题越来越突出,所以我国需要制定新的贸易制度以有效应对因进口贸易自由化而产生的产业损害和结构调整问题。作为制度选择之一,美国贸易调整援助制度给我国带来了重要的经验启示,某些具体规则对构建符合国情的TAA制度具有重要的借鉴价值。在当下加快产业结构调整的背景下,构建我国TAA制度不仅是必要的,而且是可行的。因此,必须对该制度的几个基础性、根本性的问题进行深入研究,从立法定位、立法目标、基本原则与立法模式的角度提出制度设计的基本设想。     

信用证欺诈的民事救济——兼评最高人民法院《关于审理信用证纠纷案件若干问题的规定》

在现代国际贸易中,信用证作为最重要的收付方式,被誉为"国际商业的生命线".欺诈是对这条生命线的致命打击,它不仅严重损害了当事人的合法权益,也直接影响了国际贸易的发展和金融机构的声誉.作为法律救济方式之一,信用证欺诈的民事救济具有不可或缺的作用,加快信用证欺诈民事救济制度的建设,乃当务之急.