机载电扫天线问答机总体设计

询问天线的安装问题一直以来制约着机载敌我识别器的发展,为此,介绍了一种适用于机载平台的电扫询问天线敌我识别器问答机的系统组成、工作原理以及技术特征,并简述了试验情况.     

综合敌我识别方法研究

针对协作式二次雷达敌我识别只能识别“我 方”,不能唯一地确认“敌方”的不足,提出基于协作式敌我识别器和信号情报的综合敌我识别方法,能较好地提供全局性的“敌方”、“我方”和“中立方”信息。介绍了系统组成,描述了系统工作过程,指出了需要进一步研究的技术。     

《电讯技术》专题资料 《现代战争目标识别技术的现状及发展》题要(四)

敌我识别传感器的不定性、模糊性和欺骗性及其在多源融合处理中的应用本文研究了有关Mark -ⅩⅡ敌我识别器 (IFF)的特征和不定性 ,包括其局限性、固有误差源及抗干扰能力 ,并提出了一种通用多源传感器融合处理 ,采用非协同目标识别 (NC TR)、电子支援措施 (ESM)以及IFF不同信息源的输入数据 ,重点是可实现的IFF传感器系统以及它们如何特征化以理解和设计一种最佳且有效的多源融合处理。采用实时光学特征提取对单架飞机的非协同目标识别由于可用计算资源的限制 ,对宽带高分辨率雷达 (HRR)回波信号的实时非协同目标识别超出了许多常规…     

模式V加密敌我识别系统

本文介绍了模式V加密敌我识别系统的特点，以及工作原理和系统构成。     

机动平台识别器方位零值的几种标校方法

方位零值标校是识别器设邸统标校的一项重要内容。针对机动平台识别器设备进场安装，提出了几种标校方法，旨在解决机动平台识别器的方位零值标校问题。     

《电讯技术》专题资料 《现代战争目标识别技术的现状及发展》题要(一)

现代战争目标识别技术综述本文从现代战争角度出发 ,深入分析了目标识别特别是敌我识别在信息战中的作用及功能 ;并在此基础上 ,结合海湾战争以来的发展趋势 ,分别就多种目标识别 (敌我识别 )技术的特点、功能及应用背景进行了分析比较 ,得出了要全时空地满足现代战争的需要 ,必须采用多种识别技术相结合的目标识别体系这一结论。敌我识别系统的现状及未来发展本文论述了敌我识别的含义及其在现代战争中的地位和作用 ,论证了发展先进的敌我识别手段和技术是未来高科技战争的迫切需要 ,分析了敌我识别的方式 ,包括 :协同式敌我识别、非协同式…     

国外敌我识别技术的现状及发展趋势

敌我识别技术在现代战争中的地位极为重要,世界各国均在进行深入的研究。本文在简明论述了敌我识别系统的原理和分类的基础上,结合目前世界上一些具有代表性的先进敌我识别系统,详细分析了敌我识别诉发展状况和各类识别系统的优缺点。本文还对未来敌我识别技术的发展趋势和关键技术作了讨论。     

1030/1090 MHz频谱的共享与干扰问题综述

1 030/1 090 MHz频率广泛应用于民用和军用航空电子系统中,随着飞行器和机场地面设 备的快速增加,1 030/1 090 MHz频谱的共享越来越复杂,由此带来的干扰问题日趋严重。 研究了使用1 030/1 090 MHz频率的各种电子系统的工作原理和机制,包括二次监视雷达、 自动 广播相关监视系统、多点定位系统、空中防撞系统、敌我识别器系统、测距仪和交通信息广 播服务系统等,重点分析了各系统对该频点的使用频度,讨论了可能出现的各种干扰形式, 指出了对1 030/1 090 MHz频谱现状进行监测,对未来的干扰环境和应用系统的性能进行评 估的重要意义。     

智能水雷敌我识别及关键参数分析

为了解决传统水雷对敌我双方都构成威胁的问题,在分析敌我识别技术工作原理的基础上,提出了一种智能水雷敌我识别流程和敌我识别装置实现方法,通过理论分析和仿真研究了声传播损失和传播距离、发射信号中心频率之间的关系,分析了影响水雷识别距离的参数,得出了识别距离应不小于1 km的结论,为未来水雷的智能化改造提供了依据。     

敌我识别系统干扰和防御方法

介绍了敌我识别系统的分类、组成和基本工作原理,在对几种典型敌我识别系统的 关键参数、信息格式、技术特点及应用平台等进行分析的基础上,结合电子对抗干扰资源与 干扰战术,探讨了对其进行干扰和防御的几种方式,对于研究电子战中的敌我识别系统具有 指导意义。     

Brown＇s Blossom in Britain-China

The overall strategic relationship between U.K. and China is ＂better than ever＂, China- Britain relations have maintained good momentum, with increased high-level exchanges and the reinforcement of strategic mutual trust, with more room for growth in the future.     

Challenge and Opportunity Go Hand in Hand——What Global Economic Agitation Brings to the China's Economy?

Domino effects of the global finance agitation As the origin of the subprime crisis,US financial institutions lost USS45 billion last year,accounted for over half of the total US,EU & Japan loss.Since January 15th,Chtigroup released its financial statement of the 4th quarter,showing a net deficit of USS9.83 billion,which marked the hisoric high of its quarterly deficit.     

Sinosteel：Extraordinary Moves in Industry Chess

Among the Fortune 500 firms,more and more images from China emerge out.On the 2008 list,Sinosteel Corporation,a landmark group of China industries quietly squeezes into the candidate line.As the largest steel service ＆ trade enterprise,its sales reached at RMB 111.24 billion,with a year-on-year increase of 83.03 percent,and the profit grew by 180.03 percent.On the Sinosteel 2008 Work Meeting,the president Huang Tianwen uttered,＂In the coming year,we will work for US$20 billion sales,and look forward to getting a position in Fortune 500 firms for ourselves.＂     

Walk Through Unusual Five Years—— An Exhibitor＇s Canton Fair Course

When the 103rd Canton Fair is approaching, an old friend of Canton Fair, Li Ying from Jiangsu prov-ince recollected his past five years＇ experiences to the grand trade meeting. Each year is special, with some unforgettable memories colored by the year.     

Jean-Pierre Duprieu： Willing to Be A Legate of Sino-French Business

Estaing, former French president, Valery Giscard d＇Estaing attended Sino-French Economic Seminar held in Shanghai in early April and said that the world center has shifted from the west to the east with many European and US companies entering into Asia, and China has the ability to play an important role in the world stage. Estaing, naming himself＂French Confucian＂, then said in Chinese that a cook-group includes 10 people in ancient Chinese soldier system and the cook is in charge of cooking for them. And people who belong to the same cook are actually ＂Partners＂.     

China''''s Stock Market Wave

The annual meeting of the World Economy Forum was held in Davos,a little town in Switzerland,on January 23rd to the 27th this year,with the theme"the Power fo Collaborative Innovation",over 2500 celebrates from ture political and cconomic circles of more than 80 countries and challengred logether to talk about the future of the global economy in 2008,A Forum for the problems and challenges that face whole world,some of the keywords which drew attention during the event were:the U.S.subprime mortgage crisis,soaring energy prices,the economic slowdown in the U.S.ermerging economic bodies,authority funds and the general unpredictable nature of the global economy.     

Trade Promotion from Neighborhood

If you are considering to trade with companies in Japan or expanding your .business to Japan, we are ready to help from the very beginning.＂ You will find this greeting at the first sight on the Chinese website of Japan External Trade Organization （JETRO）. JETRO has committed itself in delivering highly efficient and quality services to meet the demand of internal and external customs including Japanese companies, hence winning a good reputation in the international trade arena. In recent years, with its priority in advancing business cooperation in South and East Asia, JETRO has made great achievement in promoting trade between China and Japan. Therefore, China＇s Foreign Trade interviewed Mr. Yoichi Maine, Deputy Director General of JETRO BEIJING.     

Auto Parts Market Potential Coming into Surface

Looking at the increasingly fierce competition in the world auto market. global automobile manufacturing industry, taking Europe, the U.S. and Japan as representatives, is gradually forming a new type of relationship, mutual cooperation between whole vehicle and parts manufacturers. We can clearly see that auto parts manufacturers have become independent from the whole vehicle manufacturing companies, which means that the former structure of auto industry has greatly changed, and a new relationship,     

Domino Effect on Electricity and Coal Prices

In the middle of last December, the key purchase contracts for coal used in power generation in 2008 were signed, reflecting a demand for more than 1.085 billion tons. It is important to note that the country＇s five biggest power producers, China Huaneng Group, China Guodian Corporation, China Power Investment Corporation, China Huadian Corporation and China Datang Corporation, had settled on the prices on their purchase contracts, and they are expected to consume 290 million tons of coal for generating electricity,     

Slimmed May Day Holiday

Last November the State Council of China decided to renew its holiday system by reducing the seven-day May Day holiday to three days and introducing three new one-day public holidays, namely the Qingming Festival, Dragon Boat Festival and Moon Festival. By doing so, the three golden-week holidays that were introduced in 1999, namely the Spring Festival, May Day and National Day, could be better distributed.