基于多通道DMF的高动态信号捕获.pdf基于多通道DMF的高动态信号捕获pdf,基于多通道DMF的高

文件名称: 基于多通道DMF的高动态信号捕获.pdf

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详细说明：基于多通道DMF的高动态信号捕获pdf,基于多通道DMF的高动态信号捕获86 海军工程大学学报捕获 H1(2) HI(Z=PD T+T h2(Z)= PfALZ H2(z) 22(2) cGT H3(Z)=PAz h(z) 虚警 H D Fig 3 Sketch map of Doppler frequency T ex curio n state transfer H(Z)=∑/H2(Z)H4(2)+H3(2)/H1(Z)= H1(2) 1-H2(2)H4(2)-H3(2 (5 PDf,+ PA+ Pm= 1, H(1)= (4)(5 cITEd an(H(Z)I71=H(Z)Iz=1= Pno/CGTb+ PFN T T 6 H H DMF PN R ici HI 2〔n 0 x≥0 (7 essel StEm HI DMF PN DME Ray leigh fHo(x) ≥0 2 (8 fa(n)=lfiD-fnI 6 2 eⅹ 20 0 (10 A≈s7 M sin c/Tfa(mMT/,M≥1,JfT。≤1 HI MT。 Ray leigh n=k(k=1,2,…,G f a(h)=lf io-f Br (11 P(k) ∏|f(x)dr}dy 12 f P(6)=∑P(k/1-P(k 13 1994-2011ChinaAcademicJournalElectronicPublishingHouseAllrightsreservedhttp://www.cnki.net 3 刘治国等:基于多通道DMF的高动态信号捕获 G Pi= 1/G Pmn=∑Pm(M)=2P∑Pk1-Pk (14 PE ∑P∏P(n (15 fk P(h h=10 f al P(k)=10 l∈ 12,18/(k≠10 P(h)lk h=1,f<0 ),P(k P(h) P(h川 B 0.68 米k=10 0.52 0.64 0.60 餐0.50 0.54 0.49 0.60.20.20.61.0 1.00.60.20.20.61.0 fa/kH fd/khz Fig 4 Probability curve of main coherent peak Fig. 5 Measure prob ability curve of Dopp ler value occuring at frequency point f. frequency excursion capturing 4 DS- CDMA (下转第106页) 1994-2011ChinaAcademicJournalElectronicPublishingHouseAllrightsreservedhttp://www.cnki.net 106· 海军工程大学学报 LIU TU guang. Develop ment applied of composite structures for naval ships and submarines []. Ship Science and T echnolog, 2005, 27(3):9-1l.( in Chinese 2007,11(5:744-751. PENG Xing- ning, NiE Wu. Yan Bo. A naly sis of membrane effect of surface w arship s protective bu lk head subjected to blast loading [J]. Journal of Ship M echanics, 2007, 1I(5): 744-751.( in Chinese) [J 2007,19(6):12-16. MU JiT lei, ZIlU Xi, ZIlANG Zherr hua, et al. a study on defor m ation of blast loaded stiffened plates [ J]. Jour nal of N aval U niv ersit y of Engineering, 2007, 19(6): 12-16.( in Chinese) 2004,45(2):43 ZHU Xi, BAl Xue fei, Zh ANG Zherr hua. P lastic dynam ic res po nse and crew asse res earch of ship panels subjected to air contact ex plo sion Shipbuil ding of china, 2004, 45(2): 43-50.( in Chinese) [5] XUE Zher yu, HU TCHINSON J W. Preliminary assessment of sandwich plates subject to blast loads J. Int erna Lional Journal of Mechanical Sciences, 2003, 45( 4): 687-705 2007,39(2) 310-313. H E Jian, XIAO Yir feng, CH EN Zherr yong. Plastic lim ited deformat ion analy sis of the clamped rectang u lar stee plate subjected to air no Im contact explosions J. Journal of h ar bin Inst itute of T echnolog, 2007, 39(2 ): 310-313 in Chinese [M]. 19 M ,2006 (上接第87页) (References: 2008(5):55-59 QI Wei, CHANG Qing. Arithmet ic of doppler simulation in high dy namic signal simulator [J]. Acta Aeronaut ica et Astronaut ica Sinica, 2008(5): 55-59.( in Chinese [J 2008(7):36-39 YIN ZhaIT hua. The desig n and technical t est of the practical dynam ic signal measurement equipment I JI. Mechanr cal Electrical Engineering Techno lo gy, 2008(7): 36-39.( in Chinese) ,2008(10):2025. WANG Chao, HUANG Churr yan. D ynamic mix ing frequency impedance measur ament method based on DFT and v irtua l preference vector[ J]. Acta Elect ronica Sinica, 2008(10): 20-25.( in Chinese [4 FFT [J] ,2005(2):61-65 ZHOU SaIT wen, HUANG Long, LU M aIr hong. A qq uis itio n of high dy namic spread spectrum signals with FFt l J. Jo ur na l of A erocraft Measure Control, 2005(2): 61-65.( in Chinese ,2004(5):439-465 WANG Jun, AN Jiar ping, SONG Shur juan. R apid code aqqu is ition for hig h dynamic D SSS receiver J]. Journal of Beijing Institute of Technology, 2004(5): 439-465.( in Chinese [6 KIM Byoung ho on. DSA: A distributed sam ple based fast DS/CDMA acquisition technique[ J]. IEEE Trans.on Communicat io on,1999,47(5):754765. 1994-2011ChinaAcademicJournalElectronicPublishingHouseAllrightsreservedhttp://www.cnki.net

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