Part Ⅰ spacecraft tt&;c system design and research 1 space-based ma tt&;c system and technologies jianping hu, hongjun yang and maoge xu 2 the investigation of a novel reentry telemetry system xingwen ding, ming chen, xifu huang and ling wu 3 research on united tracking schemes based on a new information frame format haitao nan, zhiqiang li, wenming zhu, peng jia and feilong li 4 a research on the architecture design of space tracking, telemetry and control networks xiangyang lu, lijuan jla, jin hu, jianguang wu and shiyong du 5 discussion on integration management of tt&;c information yu heng hao and linfeng shang 6 informatization maintenance of tt&;c system based on cbm meng ren, weijing zhou, jianhua guo and zhongkai guo 7 preliminary research on management of crosslinks of navigation co tellatio and their security system kunmei cao, taoming chen and bo wang 8 study on threats to security of space tt&;c systems qi wang, bo wang and bin wu 9 co truction strategy research on new generation central computer system of launch centre shijie song, zhe wang, liping zhang and yongliang yang 10 the application of ofdm in uav telemetry hailong zhao, jian zhang and jie zhou 11 tt&;c system design based on protocols and master-slave structure feng xu, xiaofang wang and jianhong zhao 12 study on the application of lt code technology in deep space communicatio tong guo, daheng zhao and xudong li 13 application of multicarrier 2-dime ion spread spectrum in aerospace tt&;c jinbao wang, wenge yang and dong liu 14 parameter estimation of frequency hopping signals based on time frequency analysis wenge yang, meng li, libin wang and hao zhangPart Ⅱ i trumentation and control technology 15 flexible hemispherical simultaneous multi-beam tt&;c technology Pengyi wang, yongfei kong and haizhou wu 16 fast identification and modification of angle error based on prior information of velocity-measurement radar jianping pan, bo qiang, zongwei liu, yanan hu and shengxi wang 17 optimized simulation analysis of netted ground-based rada for near space vehicle daqing chen, dan liu, rongchun wang and zhe zhang 18 techniques of high efficiency and linearity tra mitter tao cao, rong zeng and youjiang liu 19 analysis of feed defocus's effects on a ka-band parabolic antenna guolong he 20 study on isar imaging of stepped-frequency chirp signal haotian yuan, shuliang wen and zhen cheng 21 a carrier acquisition and tracking algorithm for high-dynamic weak signal ruifeng duan, rongke liu, you zhou, qingping song and zhiqiang li 22 an acquisition algorithm for ds/fh tt&;c signal using subband-accumulation method xiao chen, zhiqiang li, wenming zhu and dekan lou 23 anti-fading analysis of dive ity-synthesized technology mingxin kou and jun yan 24 analysis on the application of feed-forward technology for space tracking, telemetering and control ships dingxin yang and ting yuan 25 a telemetry data fusion method based on optimal weighted Ping jiang, yangwei dong and xuemei zou 26 a data fusion method of multi-sources measurement data based on federated ukf filter hong chen, jian jiang and lin wang 27 dim and weak target detection technology based on multi-characteristic fusion jia tang, xin gao and gang jin 28 distortion correction for optical measurement systems in a test range rujie wang, liangliang wang, lei zhang and jia tangPart Ⅲ information tra fer and processing 29 research on multi-path qos routing strategy for the satellite network guanghua song, mengyuan chao, bowei yang, hua zhong and yao zheng 30 co tant modulus blind equalization analysis for high speed implementation dalong yang, dahai chen and wen kuang 31 study on space mission ip network qos technologies yunjun chen, yan liu and shengwang xu 32 system level design of address allocation for a private ip network yalin huang, zongyin zhao, yan liu and xu yao 33 research on the qos guaranteed mechanism for the private ip network lihua liu, tun wu, zongyin zhao and qian zhang 34 distributed data service platform based on narrowband network environment xu yan, guoping hu and dahai zhai 35 impact analysis of the leap second to the computer system in beijing aerospace control center tonghua li, yuqiu liang and xia wang 36 the exploration and practice of itinerant testing for tt&;c device software at the launch range Peng fu, wei li, liang zhao, wei zhang and jing zhang 37 research on quality assurance method based on software defect analysis qianran si and guoying yanPart Ⅳ trajectory, orbits and navigation 38 single-station orbit determination with astrometric positioning and slr techniques guoping chen, xiaogong hu, yong huang, yong yu, zhenghong tang, zhongping zhang and yezhi song 39 on nominal formation flying orbit with a small solar system body yuhui zhao, shoucun hu, xiyun hou and lin liu 40 on orbit control utilizing solar sails around asteroids shengxian yu, xiyun hou and lin liu 41 orbit determination of lunar probe brake cou e based on compe ation to dynamic paramete shijie chen, lan du, zhongkai zhang, quying danzeng, ruopu wang, he wang and qifu zhang 42 a modified iae algorithm for g and imu integration. Peng li, chan li, xiangjun wu and zhonggui chen