GPRS隧道协议研究与GPRS模拟环境实现

GPRS技术研究和实现已成为当前移动核心网技术的重要发展方向。文章研究了GPRS的原理、GPRS隧道协议的工作流程,并基于winpcap和MFC开发了SGSN和GGSN模拟软件,实现了GTP协议的一个子集,搭建了一个GRPS模拟实验环境。     

基于GPRS的雷达数据传输

针对传统的雷达数据传输方式机动性、灵活性差的现状,基于成熟的GPRS技术,提出和设计了一种新型雷达数据传输系统。通过大量的模拟雷达数据,对本系统进行了验证和测试,结果表明基于GPRS的雷达数据传输系统能够满足雷达数据传输的要求,适合于雷达应急通信和机动雷达的数据传输。     

多参数战场态势环境信息感知远程监测系统

战场态势感知是军事领域研究的热点问题,为了更好地实现战场态势环境信息感知的要求,从多参数数据采集系统的设计入手,结合wSN、GPRS技术独特的优势,以CC2530和MC35i芯片为核心,利用多参数复合传感器技术,wSN技术和GPRS技术,采集、处理和传送战场环境信息,实现了地形、气象、水文（温度、湿度、风速、声、光、有毒气体、核辐射化学物质）的实时远程监测。测试结果表明：该系统性能与设计指标相符,较好地满足了战场环境信息远程实时、准确、长时间连续监测的要求。     

军事装备科学化管装信息系统

在“科技强军”的感召下,为提高部队科技化、信息化的装备管理水平,合众思壮公司充分利用GPS全球卫星定位技术、GSM／GPRS、 CDMA1X等全球移动通讯技术、UHF／VHF无线数字数传技术、计算机网络通讯、数据处理技术和GIS电子地图技术等,开发出了大容量、高可靠性的智能资讯平台——军事装备科学化管装信息平台和综合管理系统。     

GPRS核心网自动拨测系统的设计与实现

GPRS核心网自动拨测系统是在GPRS核心网接口接入,以信令仿真方式向各实体发起拨测业务,从而实现业务可用情况、网元承载信令、路由通畅性、业务感知等指标的周期性自动测试的新一代业务测试系统。该系统具有独创性和前瞻性的特点,填补了国内外相关领域的空白。     

基于麒麟嵌入式操作系统的车载智能终端软件远程升级的设计与实现

为解决基于麒麟嵌入式操作系统的车载智能终端实际应用中的软件升级问题,提出了利用GPRS技术、IAP编程方式、应答机制、断点续传技术和校验机制实现嵌入式系统的软件远程升级方案,保证了数据传输的实时性、快速性、准确性和可靠性,并且通过各种实验模拟了升级过程中的异常情况,实验结果表明,所提出的方案能保证终端正确可靠地完成软件的远程升级,这也就验证了该远程升级方案的可行性.     

火灾自动报警系统的无线远程监控技术

以GPRS网络的应用为例,阐述了城市火警控制中心通过远程监控设备对单个建筑物内火灾自动报警系统实现远程监控的可行性、系统工作原理和关键技术,并论述了该系统的应用前景。     

GR64在远程在线检测系统检测端的应用

GR64模块是一款新一代的GPRS产品,在介绍了GR64无线模块的主要功能和AT命令集的基础上,进一步说明了GR64在远程在线检测系统中检测端的应用。     

能否不通过短信服务发送文本信息

声音和文本是作为比特流在手机和基站之间传送。短信息服务是一种协议,移动用户可利用它发送和接收文本。但是手机和个人数字助理(将计算机、手机、相机和音乐播放器合为一体)也可以通过GPRS(通用分组无线业务)来交换数据,例如 WAP     

远程复杂通信电磁环境模拟器的设计与实现

通信电磁环境模拟器是保障完成通信对抗装备检测与训练的重要设备。提出了一种基于任意波形发生器和嵌入式GPRS/GPS模块的远程模拟器设计方案。同时,讨论了一种模拟器的组网拓扑设计,实现了复杂信号环境生成。解决了远程通信电磁环境生成问题,具有很高的工程应用价值。     

以人为本是我党对人类优秀文化遗产的继承和发展

以人为本,是中国共产党科学发展观的本质和核心,是构建社会主义和谐社会的首要原则。这一思想的形成,是中国共产党对我国古代民本思想的批判继承和科学发展,对近代西方人本思想的批判继承和发展,对马克思主义唯物史观的继承和发展,是中国共产党对国内外社会发展经验教训的科学总结,是中国共产党提高执政能力、领导中国特色社会主义建设、构建社会主义和谐社会的重要理念和指导原则。     

An overview of conflict in Africa in 2014

Violent conflict escalated in Africa in 2014, with five sub-Saharan states – the Central African Republic (CAR), Nigeria, Somalia, South Sudan and Sudan – accounting for an estimated 75% of all conflict-related deaths on the continent. This paper provides an overview of the five major sub-Saharan African conflicts in 2014 and considers the underlying causes and dynamics in the Seleka/anti-Balaka conflict in the CAR, the Islamist threats of Boko Haram and al-Shabaab in Nigeria and Somalia, the civil war in South Sudan, and the long-running conflict between Sudan's government and southern and Darfuri rebels. The paper unpacks the general trends evident in these conflicts and the implications for the settlement thereof, including the targeting of civilians, ethnic and religious mobilisation and the state as epicentre of violence. The paper concludes with a brief look ahead to 2015.     

线性核时频信号表示及其仿真

根据ｃｈｉｒｐ信号在模糊域的特点,本文提出了线性核时频表示方法。这种方法在提高分辨率、消除交叉项以及抑制噪声等方面都具有较高的性能。理论分析和实验结果都证实了这种方法的有效性     

Building the next nuclear community

This viewpoint takes stock of the changes in the strategic nuclear landscape in recent decades and reflects on its consequences on the policy community. It finds that the number and scope of issues have expanded considerably; they have manifested themselves in many more regions of the world; and they have become deeply politicized and polarized. The consequences have been twofold: the nuclear policy field has seen the development of an increasingly diverse expert community composed of highly specialized functionalists and regionalists, and it has become ever more divided into two entirely separate ideological camps—one that believes in deterrence, the other in disarmament. The stove-piping of expertise and the widening gap between deterrence and disarmament ideologies are immensely problematic because, in different ways, they stand in the way of the emergence of a better and safer nuclear future. Looking ahead, it is critical to “bust the silos of expertise” and to build bridges between the deterrence and disarmament ideological camps. Only such a community-building effort will help solve today’s and tomorrow’s nuclear challenges.     

THE PROHIBITION OF BLINDING AS A METHOD OF WARFARE

Abstract

From the 1982 Maitatsine Uprising to the 2009 Kala Kato Riot, Nigeria has been bedevilled by ethno-religious uprisings with devastating human and material losses. In almost all these crises the police and the military have featured prominently as agencies tasked with the responsibility of maintaining law and order and suppressing insurrection. While it was not alleged that they precipitated some of these risings perhaps in their attempts to stem or nip them in the bud, they have been accused of escalating the conflict either by their slow and inadequate responses, their partisanship and their arbitrary responses, or by their slackness in managing the crises and their aftermath. However, but for their efforts the security basis of the Nigerian state would have been considerably compromised by religious fundamentalism given the level of preparedness of the groups involved, their resistance and, more importantly, the recurrent nature of the uprisings. This article reflects on the management of ethno-religious uprisings in Nigeria by the police and the military. It considers the nature of the security agencies' involvement in the crises and examines the factors both within the agencies and in the larger Nigerian society which have aided or hindered their effective management of the conflicts.     

机动输油管线地理信息系统设计与实现

当前机动输油管线勘察与设计资料采用的文件夹分类管理方式,难以管理各类资料间的关联关系,也难以在地图上进行图形数据与属性数据的关联呈现。为了提高机动输油管线战备线路管理能力,建立了管理与辅助决策系统,以ArcGIS作为GIS平台,利用ArcSDE数据库引擎和SQL Server数据库统一管理管线数据,通过ArcEngine组件库和Visual C#对系统的功能模块和应用界面进行整体开发,实现了线路走向、线路资源可视化的规范管理和线路工艺方案、人装配置方案的智能辅助生成,提高了部队战备线路管理水平。     

Formation and impact-induced separation of tandem EFPs

The formation and separation behaviors of tandem EFPs are studied by the combination of experiments and simulations. The results show that different formation and separation processes can be obtained by adjusting the double-layer liners, and simulations agree with experiments well. Then, the interaction process between the two liners is discussed in details, and the formation and separation mechanism are revealed. It can be found that there are four phases in the formation and separation processes, including impact phase, propulsion phase, slide phase and free flight phase. During the impact phase, the velocities of two liners rise in turns with kinetic energy exchange. In the propulsion phase, the axial impact becomes insignificant, but the radial interaction between two liners influences the appearance of tandem EFPs. Meanwhile, it should be mentioned that the inner surface of foregoing EFP remains to be in contact with the outer surface of following EFP in the propulsion phase, and the following one would continue to push the foregoing one for about 10μ to 20 μs, causing the velocities of following and foregoing EFPs gradually decreasing and increasing respectively. In the slide phase, an obvious relative movement occurs between the two EFPs, and there would be barely kinetic energy exchange. Then, the two EFPs separate gradually and get into the phase of free flight. Generally, if the outer and inner liners have the same thickness, the outer copper-inner copper liners form two long EFPs, the outer copper-inner steel liners become a foregoing short steel EFP and a following long copper EFP, and the outer steel-inner copper liners produce a foregoing long copper EFP and a following conical steel EFP. In addition, thickness match also has an important impact on formation appearance and separation process for both outer copper-inner copper liners and outer steel-inner copper liners. With the thickness ratio of outer liner to inner liner decreasing, the length and length-diameter ratio of both foregoing and following EFPs increase gradually.     

论当代中国以人为本的基本价值观

当代中国以人为本的理念,不但建立在马克思主义人学理论基础之上,而且是以当代中国和世界社会实践为现实根据的,只有把握和理解以人为本的理论源泉和现实根据,弄清以人为本的价值取向,才能真正实现以人为本。     

美国太空安全领域最新发展分析

美国认为太空已被普遍认定为最重要的作战域之一,未来的太空安全态势将愈发严峻。本文认为, 美国正面向未来太空对抗环境进行全面转型, 从顶层战略、作战理论、组织结构、战备训练、装备技术等方面开展研究、调整和长远布局, 如以我为主要对手谋划布局、发布系列军事航天顶层指导文件、大幅增加太空攻防作战相关经费投入等。 目前, 美军正处于新旧体系转换、 下一代能力构建发展的关键期, 不仅正在变革军队组织体制、重组太空攻防作战力量, 还积极开展系列演习演训, 以加速形成太空攻防实战能力。美军这一系列动向将对未来太空领域安全与发展产生重大影响, 应引起我高度重视。     

America’s Prescient Dissenters: Senator J. William Fulbright and Dr. Andrew J. Bacevich’s Principled Dissent of US Policy in Vietnam and Iraq and their Enduring Perspectives

During the Cold War, the spread and fear of communism furnished the overarching ideological rationale for American foreign policy and for the deployment of United States military forces and resources. Subscribing to the domino theory and its potential impact on Southeast Asia, the Johnson Administration committed the United States to the Vietnam War. Following the September 11, 2001 attacks on the United States, and the commencement of the Global War on Terrorism, Washington once again set a national agenda rooted in a simplistic analysis reminiscent of Vietnam and the domino theory. Ignorant of Iraq’s mammoth sectarian, historical, ethnic, and global strategic complexities, the Bush Administration launched Operation Iraqi Freedom (OIF). The absence of critical analysis, contrarian viewpoints, and sound judgment characterized the US policy and strategy for both the Vietnam War and OIF, exhibiting the lack of moral courage that the national security enterprise seeks, but seldom attains. Faced with this challenge, this article draws attention to the ethical lessons we can learn from the dissent of William Fulbright and Andrew Bacevich.