Search results

Anti-jamming and LPI radar with spread spectrum technology Lianqing Fu 1,a, Lisheng Yang 2,b , Yaning Ma3,c and Tao Wang 4,d 1,2,3,4Center of Communication and Tracking Telemetering Command, Chongqing University, Chongqing, China aflq@cqu.edu.cn, byls@cqu.edu.cn, cyaningxiaomm@163.com, dwt1977@cqu.edu.cn Keywords: anti-jamming technology; LPI; spread spectrum; PN code; matched filtering; radar Abstract.
References [1] Rao, G.A., and Mahulikar, S.P.: ‘Integrated review of stealth technology and its role in airpower’, Aeronautical Journal., 2002, 106, (1066), pp. 629-641 [2] Men, X.S., Tian, X.H., and Gong, J.: ‘Study on the capability of near space bistatic radar in detecting stealth targets’, Electronics Optics & Control., 2009, 16,(5), pp. 43-6  [3] Jian, J.L., Ren, H.B., and Gao, F.: ‘A preliminary research into the netted radar seekers for anti-stealth aircraft’. 4th.
DE thesis, National University of Defense Technology China, 2008 [5] Gross, F.B., and Chen, K.: ‘Comparison of detectability of traditional pulsed and spread spectrum radar waveforms in classic passive receivers’, IEEE Transactions on Aerospace and Electronic Systems., 2005, 41, (2), pp. 746-751 [6] Yang, T.C., and Yang, W.B.: ‘Low probability of detection underwater acoustic communications using direct-sequence spread spectrum’, Journ of the Acoustical Society of America., 2008, 124, (6), pp. 3632-3647 [7] Gross, FB., and Chen, K.: ‘Comparison of detectability of traditional pulsed and spread spectrum radar waveforms in classic passive receivers’, IEEE Transactions on Aerospace and Electronic Systems., 2005, 41, (2), pp. 746-751 [8] Horvath, M., Seller, R., and Rosner, V.: ‘Synthetic Aperture Radar using spread spectrum modulation’. 19th Int.

Effects of Ultrasonic Vibration on Tribological Properties of GCr15/45# Steel Frictional Pairs in Lubricated Sliding Conditions under Various Friction Speed QIAO yu–lin1,a, YANG shan–lin2 ,b, ZANG yan3, DONG xin–yu4 1,2,3,4 Department of Equipment Remanufacture Engineering, Academy of Armored Force Engineering, Beijing 100072, China aqiaoyulin1010@sina.com, b3283234@163.com Key word: ultrasonic vibration, friction reduction and anti-wear, friction speed, boundary lubrication Abstract.
Vol.30(2)(2010),p.168-173 [4] Y.C.Cao, G.M.Cheng, F.J.Tian:Bearing.
Vol. 26(6)(2001).p.497-512 [8] T.J.Peng, S.S.Yang, Z.Z.Yang: Jilin University Journals.Vol.36(2)(2006).p.88-90

Experimental Studies on Forces and Specific Energy in High Speed Grinding of Titanium Alloy Ti6Al4V LI Haiyan 1, TIAN Lin2, FU Yucan2 , LIU Gaoqun1, 2 1 Aviation Key Laboratory of Science and Technology on Aero Electromechanical System Integration, Nanjing Engineering Institute of Aircraft Systems, Jincheng,(AVIC), China 2 College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, China E-mail: yucanfu@nuaa.edu.cn Keywords: high speed grinding, brazed CBN wheel, titanium alloy, grinding forces, specific Energy Abstract.
Yang, M.C.
[8] TIAN Lin, FU Yucan, DING Wenfeng and CHENG Ze T.W.Hwang, in: Key Eng.

Tian, Z.
Journal of nanjing forestry college Vol. 4 (1984), p. 1 (in chinese) [9] Shourong Wu, Huiqiang Yang, Rong Hong.
Tian.

Effect of Strontium on the Structure and Properties of ZL102 with Rare Earth Guosheng Caia, Long Wu, Haifeng Lu, Zhilong Li, Huafeng Lu ,Hua Yang Rongfa Chen* College of Mechanical Engineering, Yangzhou University, China acaigs1963@sina.com *rfchen@yzu.edu.cn Keywords: Sr and RE modification, ZL102 aluminum, Alloy, The orthogonality test Abstract.
[4] MENG Xian-zhuang, WANG Jie-fang, SONG Yang-yang, LIU Zhong-xia, WANG Ming-xing, SONG Tian-fu.

Sun Jia Guang, Yang Chang Qing.  
Tian, L.
Zhang TH, Yang J, Zhao DL, Linear local tangent space alignment and application to face recognition [J].

Tian: Angew.
Yang, B.L.
Yang: Dyes and Pigments Vol. 90 (2011), p. 71 [5] S.Z.

References [1] Huiqiang Zhi, Liang Tian and Zengjun Yang: submitted to Journal of Bulletin of Science and Technology (2005).
In Chinese [3] Cheng Y L, Huang J C, Yang W C: submitted to Journal of Neurocomputing (2008)

[4] Li Yang.
[5] Zhang Tian-hao, Yang Jie, Zhao De-li, et al.

Tian 1,a, B.G.
Yang 1,c, F.
Tian, J.F.
Yang, and C.