顾及载体航向约束的单站BDS-3相位测速模型.pdf

第 卷第期测绘学报V o l ,N o 年月A c t aG e o d a e t i c ae tC a r t o g r a p h i c aS i n i c aJ u n e,引文格式:王潜心,胡超,王泽杰顾及载体航向约束的单站B D S 相位测速模型J测绘学报,():D O I:/j A G C S WAN GQ i a n x i n,HUC h a o,WAN GZ e j i e S i n g l es t a t i o nv e l o c i t yd e t e r m i n a t i o no fB D S c a r r i e rp h a s eo b s e r v a t i o n sw i t ht h ec o n s t r a i n t s o f h e a d i n ga n g l eJ A c t aG e o d a e t i c a e tC a r t o g r a p h i c aS i n i c a,():D O I:/j A G C S 顾及载体航向约束的单站B D S 相位测速模型王潜心,胡超,王泽杰中国矿业大学环境与测绘学院,江苏 徐州 ;安徽理工大学空间信息与测绘工程学院,安徽淮南 SS ii nn gg ll eess tt aa tt ii oo nnvv ee ll oo cc ii tt yydd ee tt ee rr mm ii nn aa tt ii oo nnoo ff BB DD SS cc aa rr rr ii ee rr pp hh aa ss eeoo bb ss ee rr vv aa tt ii oo nn ssww ii tt hhtt hh eecc oo nn ss tt rr aa ii nn tt ssoo ff hh ee aa dd ii nn ggaa nn gg ll eeWWAA NN GGQQ ii aa nn xx ii nn,HH UUCC hh aa oo,WWAA NN GGZZ ee jj ii ee S c h o o l o f E n v i r o n m e n t a n dS p a t i a l I n f o r m a t i c s,C h i n aU n i v e r s i t yo fM i n i n ga n dT e c h n o l o g y,X u z h o u ,C h i n a;S c h o o lo f S p a t i a l I n f o r m a t i c sa n dG e o m a t i c sE n g i n e e r i n g,A n h u iU n i v e r s i t yo fS c i e n c ea n dT e c h n o l o g y,H u a i n a n ,C h i n aAA bb ss tt rr aa cc tt:V e l o c i t y i n f o r m a t i o n i s o n eo f k e y s t a t e r e p r e s e n t a t i o n s o f t h ev e h i c l em o t i o n T h eh i g h a c c u r a c ya n dr e l i a b l ev e l o c i t yb a s e do nB D S o b s e r v a t i o ni st h er e q u i r e m e n t so fB D S h i g hp e r f o r m a n c e T oo v e r c o m e i m p a c t so fe r r o ra c c u m u l a t i o na n do b s e r v a t i o ne n v i r o n m e n to nt h et r a d i t i o n a lt i m e d i f f e r e n c ec a r r i e r p h a s e(T D C P)m o d e l,as i n g l es t a t i o nv e l o c i t yd e t e r m i n a t i o no fB D S c a r r i e rp h a s eo b s e r v a t i o n sw i t h t h ec o n s t r a i n t so fh e a d i n ga n g l ei sp r o p o s e d F i r s t l y,t h ed i f f e r e n t i a l f u n c t i o no ft h eu n d i f f e r e n c e do b s e r v a t i o ne q u a t i o ni sc o n s t r u c t e db e s i d et h et r a d i t i o n a lB D S T D C P m o d e l,w h i c hi sc o m b i n e dt os i m u l t a n e o u s l ye s t i m a t et h ed i s p l a c e m e n ti n c r e m e n to ft w oa d j a c e n te p o c h s S e c o n d l y,t h ec o r r e l a t i o nb e t w e e nd i s p l a c e m e n t i n c r e m e n t s o f h o r i z o n t a l p l a n ea n dh e a d i n ga n g l e i s u s e d t oc o n s t r u c t t h ec o n s t r a i n t so fNa n dEd i r e c t i o n s T h i r d l y,t h ec o m b i n a t i o no f t h r e eg r o u p so f i n d e p e n d e n t f u n c t i o ne q u a t i o n s i s u s e d t oo b t a i nt h ei n c r e m e n t a ld i s p l a c e m e n to fv e h i c l ee p o c hb ye p o c h A c c o r d i n gt os t a t i ca n dk i n e m a t i ce x p e r i m e n t s,i t i s i n d i c a t e d t h a t a na c c u r a c yw i t hm m/s l e v e l o f v e l o c i t yd e t e r m i n a t i o nc a nb ea c h i e v e d i nd i f f e r e n td i r e c t i o n su n d e rB D S p h a s eo b s e r v a t i o n s C o m p a r e dw i t ht h et r a d i t i o n a lT D C P m e t h o d,t h ep r o p o s e dm e t h o dc a ni m p r o v et h ev e l o c i t ya c c u r a c yo fEa n dNd i r e c t i o n sw i t h a n d ,r e s p e c t i v e l y,i nw h i c h t h ea c c u r a c yo fUd i r e c t i o n i sn o t s i g n i f i c a n t l y i m p r o v e do re v e ns l i g h t l yd e c r e a s e d M e a n w h i l e,u n d e r t h ek i n e m a t i cc o n d i t i o n,i t i ss u g g e s t e dt h a tB D S p h a s ev e l o c i m e t r yc a no b t a i nt h ea c c u r a c yo fm m/s l e v e l i n t h eh o r i z o n t a l p l a n eo f l i n e a rm o t i o n,i nw h i c hEa n dNd i r e c t i o na r e a n d b e t t e rt h a nt h et r a d i t i o n a lT D C Pm o d e l F u r t h e r m o r e,t h ea c c u r a c yo fE,Na n dUd i r e c t i o n si nc h a n g ed i r e c t i o n i s ,c m/s,r e s p e c t i v e l y,w h i c h i s ,a n d h i g h e r t h a n t h a to ft h et r a d i t i o n a lm o d e l T h e r e f o r e,t h ep r o p o s e ds i n g l es t a t i o np h a s ev e l o c i t yd e t e r m i n a t i o n m o d e lc o n s i d e r i n gh e a d i n ga n g l ec o n s t r a i n t sc a ne f f e c t i v e l yi m p r o v et h ev e l o c i t yd e t e r m i n a t i o np e r f o r m a n c eo fB D S s a t e l l i t es y s t e mKK ee yyww oo rr dd ss:B D S ;p h a s ev e l o c i m e t r y;h e a d i n ga n g l ec o n s t r a i n t s;t i m e d i f f e r e n c ec a r r i e rp h a s e;s i n g l es t a t i o nv e l o c i t yd e t e r m i n a t i o nFF oo uu nn dd aa tt ii oo nnss uu pp pp oo rr tt:T h eN a t i o n a l K e yR e s e a r c ha n dD e v e l o p m e n t P r o g r a mo f C h i n a(N o Y F A );T h eA n h u iN a t u r a lS c i e n c eF o u n d a t i o n(N o Q D );T h eN a t i o n a lN a t u r a lS c i e n c eF o u n d a t i o no fC h i n a(N o );T h eJ i a n g s uN a t u r a lS c i e n c eF