Author name used in this publication: 苗剑峰Author name used in this publication: 孙永荣Author name used in this publication: 陈武Author name used in this publication: 刘建业Author name used in this publication: 胡丛伟Title in Traditional Chinese: GPS軟件接收機并行處理的實現Journal title in Traditional Chinese:  應用科學學報2008-2009 > Academic research: refereed > Publication in refereed journalVersion of RecordPublishe

Chen, W

Hu, CW

Liu, JY

Miao, JF

Sun, YR

Author name used in this publication: 苗剑峰Author name used in this publication: 孙永荣Author name used in this publication: 陈武Author name used in this publication: 刘建业Author name used in this publication: 胡丛伟Title in Traditional Chinese: GPS軟件接收機并行處理的實現Journal title in Traditional Chinese:  應用科學學報2008-2009 > Academic research: refereed > Publication in refereed journalVersion of RecordPublishedVoR allowe

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I N ? 1Z (k)? ?? x (?), (n + ?)e ??Zxk n ,?N =??= o n = 0N ? I N ? 1? x (tn )e ??2xk ??N ? , (? + n )e ????m ,?N =m = O ?= OX*(k )Y (k ) (2)? 2 G PS?????????F ig u r e 2 G PSreCive r, 5 d es i, b loc k d i??a m?? , X , (??X (?????? . ??(2)???? , ?????????? , ???????????????????? . ??(2 )??????????? , ????????????????????????? , ????CA??????????????????? 5! .????CPU????????? , ???? ?G PS????????????? , ???? ??? 3?? . ?????????????????????????? , ?????????? 10 k H Z ? ? , ????? so HZ , CA???? l~ 1 0 2 3 ??????. ???G PS???????? 1 ~ 32 ??? , ???????? 4 ?? . ??????? , ??????????? , ?????CA??????????????? A? B , ?????? 2 ????????? . ?? , ??? 2 ? ????: G PS???????????? 2 0 5?CPU???????2 ?/???16 ?/? . ?? , ????????????? , ??????A? B????? . ??????????? , ??????????? . ????????????????????? 4 ?? , ????????????????G P S??????????? 2???????????? ,???????????? A ? B , ????????? , ?????? . ??????????? A ? 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L ??????????? . ??????????????? , ???????????C A??????????????? , ??????????? .?????????? , ?????????????????????????? , ????????????????? , ??????????????????????? . ?????????????????? , ?????????? . ???????????? , C A??????????1/ 2????? E ??? P ? ?? L ?? , ??? ????????????? , ??????????? 6 ??????????? . ??????????????????????? , ?????(7 )? 5 ????????G PS???????????F ig u r e 5 Met hodo l?? o f d u al c o re Proc ??l?rs-(?+ Q? bas ed ???le l sign al t raC kj?g?D ? ???(I3+ Q?+ Q?)+ Q?) (7 )?? (6 )???? , ????????????????????????????? , ???C A????????15, 51 .3. 4 ???????????????????????????????????? , ????????? . ????????????1 ,?l0j3. 3 ??/ C A??????????G PS??????? , ???????????????????CA??? , ?????????????????????? . ?????????????????? ????? . ?????????????? , ???? /??????? , ?????????????????????? . ??????? ,???G P S????????? , ?????????????????????? , ??????????? 5 ?? . ?? 5 ????? , ????????????????A???? , CA????????B???? , ?????? . ???????????????? , ??????????? . ?CA??????????? P?????? , ????????? , ????? P ?????????????CA? . ?? , ??????????????????? , ??????H (z) =K0 ?(C ; + ?): ? ?? Ko ?cl : ?21 + (KO Kd (Cl + ?)? 2)z ? l + (1 ? K0 ?Cl )z ? 2 (8)?? , Ko ?????? , ????????? , ?? ??????? .???????????B L???????????? , ???????/?????????? . ??????????????????? , ???????? , ??= 0 . 7 ????????????????????? . ???????????????????????????? , ??????????????? .?????????????????????????? , ??????????????????????? . ????????????????? , ???????????????????? , ????????????????? . ????????????? 2 ? ???? : G P S???????????? 2 0 7????????? , ????????????? !?0] .???????????????? . G PS??????????????PL L????????????????0e ????? , ???????????l]a PL L = a tPL L + 0e ? / ?.1 ? ?? ; ?: ?, . 1 ? ?? : ??; ? , l?C /?? \ 2 ??C /?? /??d R Zd tZ(4?2 + 1)26 4?ZB? (9)?? , T ????? , B L ???????? . ??(9)??? ?, ??? ?? ? ???L ? ?? ? ? ???B L?????? , ?????/?B L = 0 ?? , ????????????????Bop , PL L =.1_ l ?? / _ 1 ??????? L?+ ???)d R Za = ??? 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(?2 )3. 5 ???????????????????? , ?????SI G e??????G PS????? . ?????? 4 . 1 30 4 MH z ,???? 16 .3 67 6 MHZ , ??????? 45 d B ?H z . ????? ???? : ?? ? 0. 70 7 , ??? ??? ?2 5 12, ???????? ZHZ , ??????? 0 . 5 ?? , ???????? 1 Ins .??? 1??? 3 ????? , ?A ??????? 6 ????C PS??????????????Fig~6 o u t p u t s o f p a ral le l earrie rt r?k in g lo o P P ro ees in g2 0 8 ? ? ? ? ? ? ? 2 7 ???????FG ?? , ???? 4 . 150 4 Mlz , ???? 1 6. 36 7 6 MH?, ??????? 45 d?HZ . ????? 4 0 5 , ????????? 60 M . ????M at la b???????????? .???????????????????????????????? , ????????????????????????? , ?????????? . ???so lns ????????? , ??????????????? . G PS???????????U T M???? , ???????? ????????10 m ?? , ????????????? . ???40 5 ?? so ???????? ?? , ????????? : Lat : 2 2 0 18 , 10 . 4 7 6 9 ??, L? : 1 14 0 1?4 6 . 1 2 8 ,?, ?? : 1 5 9. 3 m . ???????????? , ??????????????40 5 , ???? 60 M , ??????PC???CPU : C o re d uo 2 . 4 G , R AM : ZG , ?????Mat lab 7 . 1 R 1 4?? . ?????? , ???????????????????????????? , ???? 1 ?? .? l ????????lb b le 1 C o m P a r ?o n of the P ro a ?. ?n g t?n e s?? ???? ???? ?????? ??0.0 1? 7 ????C PS?????C A????????????????4 972 65 0.0 14 99.6 12 6 .7 1Fig ure 7 O u tPu t s o f p ar ai le CA eodetr?k in g lo P Pro c . ?In g? 8 G PS????????????????F ig u r e 8 R es u lt s o f th e G PS so ftware??e iver, sPar a l e l t rac k in g lo P Pr ocesin g5 ? ?????????????G PS?????????? , ??????????????? . ????????? , ????G PS????????? , ???????????????? , ??????????????/??????? , ????????????? , ???????? : ????????? 10 m , ?????? . ???????????????? , ????????????G PS????????? . ???Mat lab ?????????????????????? , ??????????? , ????????????? .4 ???????????????? ????????? ???? . ? ?? ?O Pe n S0 ur (!e G PS????? ?????? !? ? ??, ???????????????G P S???????????? .?????????????? , ??????????? :{1?E L L :o T T K . U n d ers tan d in g G PS : p rin eiples an d ?p li-c at fo ns IM}.N o n ??d : A rt ?? H O ??e , 19 96 ?? 13 1 .lzI ??? , ??? , ?? , ?????G PS?????????????G PS????? : ?? , ??8 1(X) 244 8.6IPI. ???0?2 4.MI o^ Jian fen g,Su N YOn g ?n g , CH E N W U , Lxu Jia n ye .? 2 ? ???? : G PS???????????? 2 09A meth o d o f G P S P?itin n an de e ive r b?ed o n th e d ual co re2 0 5 20 2 44 88.6 !p l.20 8- ?24 . (a G PS so ft ??? e r??Pro c e ?o rs : C hin a ,19 1 G oL nCat io nK,?rG PS aPPli-in Chines ) Pro c?? in ? of IO N G PS / G NSS2(X) 3: 25 2?25 3 1 .d e 6 n ab le rad ios ?C }/ /2(X) 3,Por tla n d : Is.n.!,B R OW N A,A so ft w a r eem bed d in g in so ft wa rels ?? , ??? , ??? , ???. ?????G PS ???????la . ?????? , 2 0 7 , 19(s) : 1 80 7- 18 10 .T ^ N O B in,D O N G X ur on g,L IU Shus h i,T ^ N G W?itao ?R ??ar eh o f so ft w ar e G PS rece ive r in dyn aJ ?Ic env iro n-me nts[Jl.J o u rn ai o f Syst em Simu latio n,2 0() 7,19 (8 ):180 7- 18 10.(in Ch in e s e )14?C ^ a P E N T E R F , S?K ^ N T Esw^ a^ S , BRo w N A . S o ftwar ed e fi n ed rad io tes t bed fo r int egr a ted e o m mu n ie at io n san dn av igat fo n ?p lic at ion sIC?/ / p ro e??in ? o f 2004S o ft ?v al e D efi n ed R ad to ?ec h n ie a lC o n fe ren c e . Ph oe n ? :A r izo n a,20(] 4 : 157? 1586 .15 1 GE R : IN N,B Ro w N A.Mod ul ar G p S so ft??? e rad io,ch it ec tu re lC I/ /Proc??in , of IO N G PS Z(X) 1 . Salt Lak eC ity : ls.n??, 2 (X) 1 : 204?20 58 .16 1 B on R E K,A K o s D M,B E?E Ls ?N N , RI N D B a P, JE N s E N5 H.A so ft w ar ?d e fi n ed G PS a lld G ali leo re c e lv e r :a s in gle- fr?u e n? aP p r oaC h lM?. B , to n : B irkh?u se r ,e Z?X)7 .!71 B oR R E K.A so ft w a re- defi n ed G PS an d G al ileOrec e iv e r:a sin gle- fr?ue n c y ?p ro aC h !M?. B?o n : B irk h?us e r ,c Z?)7 : 8 7- 134 .?10 1 B E??L so N N , B o R R E K , R : N o o R P . T h e G PS e o d eso ftware reCe ive r at A al b o rg u n ive rs ity ?C?/ / Z n d E u r ,peanSp ?e A?n ey W b rks h o p o n Sa t ellite N av ig a t io n ,N av itec h,2(X) 4: 37 3 3 80.?1 ???? , ??? , ??? . ???????G PS??????????la . ???????? , 20 7 , 15 (l) : 51 ?54 .T ^ N G K an g hu a ,WtJ M e iPin g,H tJ X iao Pin g.D es ign an dvali d at io n o f G P S so ft , va?e r ec e ive r b?e d o n R F fr o n t -en d ?Jl. Jo u rn ai o f C h?es In e r t ial ?b c h n o lo? , 20 0 7 ,15 (1): 5 1?54.(in Chin es )112?Jo H N S , T s tJ : J . Re al- t ime so ft * ar e G P S rec e iv e r!C l/ / IO N G PS Z(X) 2: 15 th In t e r n at io n al ??c h n ie a lMe tin g o f the Sat elli te D iv is io n o fT he In stitu t e o fN av-igstio n.P o rt lan d:ls.n.?, 20 2 : 25 6 1?2 56 5 .?13?O p e n so u rce G p S D o e u m ent at io n !R / o L?. (2 00? 10 12)18 1 Hu C o n g w e i,X ufo r G PS s o ft w ar eLi.A e q u is it in n an d trac k in g sc hemesrece ive IC?/ / p r oc ??in , o f In ter n ,t io n al S o e ie ty fo r O p tieal E n ginerin g,N a lljin g,2 (X) 7:6 2 2- 62 6.!20 7- 11?0 5?. ht t p : / /w.h o m e.eart hlin k.n e t/ ?w?l-les /.!14?B ao w N A , M^ ?: N M v^ M , T ^ N Ju B . B e i :efi ts o f s o ft -wareG PS rece ive rs fo r e n hanced sign al p r o ees in g !J!.G P S S o lu t io ns,20 0( ),4 (l): 5?6 6 .(?? : ? ?)

GPS软件接收机并行处理的实现

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