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国家自然科学基金(60972061): 作品数：14被引量：43H指数：3; 导出分析报告; 相关作者：李广侠张更新李志强何家富姜勇更多>>; 相关机构：解放军理工大学西安卫星测控中心中国人民解放军总参谋部第六十一研究所总参第六十三研究所更多>>; 相关期刊：《飞行器测控学报》《广东通信技术》《Journal of Electronics(China)》《空间电子技术》更多>>; 相关主题：MODULATIONWALKER星座星间链路路由网络拓扑更多>>; 相关领域：电子电信航空宇航科学技术自动化与计算机技术更多>>

基于LAS码的星群多目标测控技术研究被引量：1: 《飞行器测控学报》2014年第3期188-195,共8页李飞龙李志强李广侠南海涛孙健俊; 国家自然科学基金(No.60972061);国家高技术研究发展计划("863"计划)(No.2008AA12A204); 针对星群多目标同时测控问题,基于星群轨道根数的时延特性和多普勒频移特性分析可得,星群多目标测控的上行链路遥控与测距信号可实现S-CDMA(Synchronous Code Division Multiple Access,同步码分多址),由于星间距离较小,下行链路遥测与...; 关键词：多目标测控大区域同步(LAS)码多用户干扰星群时延差

基于深空探测行星网的自主无线电接收机技术被引量：2: 《空间电子技术》2013年第2期21-24,35,共5页王昱霖张更新孔博张威; 国家自然科学基金项目(编号:60972061;60972062;610320404);国家高技术研究发展计划项目(编号:2012AA121605); 深空探测中自主无线电接收机的主要作用是实现行星网中多个深空探测器之间的自组织通信。该技术的优点是能在深空通信环境下无需地面干预,自动实现无线电参数的识别和配置。文章首先概述了自主无线电接收机的功能和组成,然后对其各部分...; 关键词：深空探测自主无线电接收机行星网

基于子带累积的DS/FH卫星测控信号捕获算法被引量：2: 《飞行器测控学报》2013年第1期61-65,共5页陈啸李志强朱文明楼德侃; 国家自然科学基金资助项目(60972061);国家高技术研究发展计划("863"计划)资助项目(2008AA12A204); DS/FH(直接序列扩频/跳频扩频)混合扩频信号的快速捕获问题亟待研究。电离层色散效应增加了BPSK(二相相移键控)调制的DS/FH信号捕获的复杂度,并导致不同频点信号载波相位难以保持连续。通过估计电波传播路径上TEC(电子浓度),可以消除电...; 关键词：卫星测控 DS FH(直接序列扩频跳频扩频) 电离层色散相位估计划分子带非相干累积

SER PERFORMANCE ANALYSIS OF DECODE-AND-FORWARD COOPERATIVE SCHEME IN SATELLITE MOBILE CHANNEL: 《Journal of Electronics(China)》2011年第2期215-221,共7页Jie Xiao Zhang Gengxin Zang Guozhen Feng Shaodong; Supported by the National Natural Science Foundation of China (No. 60972061,60972062,and 61032004);the National High Technology Research and the Development Program of China ("863" Program) (No. 2008AA12A204); In this paper,Symbol-Error-Rate(SER) performance analysis is provided for a Decode-and-Forward(DF) cooperative scheme in satellite mobile channel environment.We present a satellite mobile cooperative communication sys...; 关键词：Satellite communication Cooperative communication Decode-and-Forward(DF)

COVERAGE PERFORMANCES ANALYSIS ON COMBINED-GEO-IGSO SATELLITE CONSTELLATION被引量：12: 《Journal of Electronics(China)》2011年第2期228-234,共7页Jiang Yong Yang Sen Zhang Gengxin Li Guangxia; Supported by the National Natural Science Foundation of China (No. 60972061,No. 60972062,and No. 61032004);the National High Technology Research and Development Program of China ("863" Program) (No. 2008AA12A204);the Natural Science Foundation of Jiangsu Province(BK2009060); The Combined-GEO-IGSO constellation is the combination of Geostationary Earth Orbit(GEO) satellite and Inclining GeoSynchronous Orbit(IGSO) satellite.The Combined-GEO-IGSO constellation can integrate the advantages of...; 关键词：CONSTELLATION Geostationary Earth （IGSO） Combined-GEO-IGSO Doppler shift Orbit （GEO） Inclining GeoSynchronous Orbit

一种基于频谱供需实时匹配的改进动态频谱分配机制: 《计算机科学》2011年第4期76-79,共4页王凡张建照赵杭生姚富强冯少栋; 国家自然科学基金资助项目(60972061);江苏省自然科学基金资助项目(BK2009060);江苏省"333高层次人才培养工程"项目资助; 无线电技术的发展对频谱的需求越来越迫切,从而促使频谱分配由传统的静态分配向动态分配发展。针对多网络通过中心频谱代理协商接入同一段频谱的应用场景,提出一种基于频谱供需实时匹配的改进动态频谱分配机制。与一般的顺序动态频谱分...; 关键词：动态频谱分配频谱供需实时匹配分配增益频谱切换有效率

A NOVEL MODULATION FOR MOBILE SATELLITE COMMUNICATIONS: 《Journal of Electronics(China)》2011年第2期174-180,共7页Xie Zhidong Bian Dongming Hu Jing Sun Qian; Supported by the National Natural Science Foundation of China (No. 60972061,60972062,and 61032004);the National High Technology Research and Development Program of China ("863" Program) (No. 2008AA12A204);the Natural Science Foundation of Jiangsu Province (No.BK2009060);the "Triple Three" High Level Talent Development Plan of Jiangsu Province; It is a challenging problem to design a high performance modulation for mobile satellite communications due to the limited power and bandwidth resource.The paper improves Feher patented Quadrature Phase Shift Keying(F...; 关键词：Mobile satellite communication MODULATION Feher Quadrature Phase Shift Keying(FQPSK) FADING

PERFORMANCE ANALYSIS AND SIMULATION OF VARIOUS BURST TIME PLAN GENERATION METHODS IN BROADBAND SATELLITE MULTIMEDIA SYSTEM: 《Journal of Electronics(China)》2011年第2期187-197,共11页Feng Shaodong Li Guangxia Feng Qi; Supported by the National Natural Science Foundation ofChina (No. 60972061,60972062,and 61032004);the Na-tional High Technology Research and Development Program of China ("863" Program) (No. 2008AA12A204,2008AA12Z307);Natural Science Foundation of Jiangsu Province (BK2009060);the"Triple Three" High Level Talent Development Plan of Jiangsu Province; The Burst Time Plan(BTP) generation is the key for resource allocation in Broadband Satellite Multimedia(BSM) system.The main purpose of this paper is to minimize the system response time to users' request caused by B...; 关键词：Broadband Satellite Multimedia(BSM) Burst Time Plan(BTP) Resource allocation Multiple access Digital Video Broadcasting-Return Channel via Satellite(DVB-RCS)

BLIND SYMBOL RATE ESTIMATION OF SATELLITE COMMUNICATION SIGNAL BY HAAR WAVELET TRANSFORM被引量：7: 《Journal of Electronics(China)》2011年第2期198-203,共6页Wang Long Zhang Gengxin Bian Dongming Xie Zhidong Hu Jing; Supported by the National Natural Science Foundation of China (No. 60972061,60972062,and 61032004);the National High Technology Research and Development Program of China ("863" Program) (No. 2008AA12A204);the Natural Science Foundation of Jiangsu Province(No. BK2009060); As the raised cosine shaping filter is often employed in practical satellite communication system,the envelope fluctuation at the symbol transition point is decreased which leads to the failure of the common wavelet a...; 关键词：Haar wavelet Symbol rate PREPROCESSING Blind estimation

A SURVEY OF DEEP SPACE COMMUNICATIONS被引量：3: 《Journal of Electronics(China)》2011年第2期145-153,共9页Zhang Gengxin Xie Zhidong Bian Dongming Sun Qian; Supported by the National Natural Science Foundation of China (No. 60972061,60972062,and 61032004);the National High Technology Research and Development Program of China ("863" Program) (No. 2008AA12A204); Deep space communications has played an important role in deep space exploration. Compared with common satellite and terrestrial communications, deep space communications faces more challenging environment. The paper ...; 关键词：Deep space communication MODULATION Channel coding PROTOCOL NETWORKING

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