RINEX Data block 031115210.000000006G01G0203G20G251 0.000000001 10185587.543117948396.2805121348512.85821348513.611521348509.7485 10290568.392118028016.9605120908561.35220908561.566520908558.0755 10137141.958117921677.3535122080166.19022080166.498522080163 037675.599118090767.5055122834982.90722834983.502522834980. 1401210 10349756.474118068684.5255122116508.68822116510.187522116506.7085 1259.935 10111007.337117906165.3145124517873.95824517875.566524517871.0025 031115220.000000006G01G02G03G20625G13 10163499.79017931185.0484121344309.73821344310.427421344306.5554 2206.774 1719.564 10291477.55518028725.4004120908734.28420908734.632420908731.0804 Phase in cycles, range in meters GFS技术与应用 54观测方程的线性化 A 测码伪距观测方程的线性化 设卫星s和观测站T在协议地球坐标系中瞬间空间直 角坐标向量和空间直角坐标向量分别为: p()=x(o)=x(m)y(a),z( P=X=Y, Y, ZI 则站星瞬时距离为: p()=p()-p|=kx(0)-x)+(y(-x)2+(2(0)-z)y2 2005.10.30 GS技术与应用 1010 2005-10-30 GPS技术与应用 19 RINEX Data block 03 1 1 1 52 10.0000000 0 6G01G02G03G20G25G13 0.000000001 10185587.54311 7948396.28051 21348512.858 21348513.6115 21348509.7485 2211.739 1723.433 10290568.39211 8028016.96051 20908561.352 20908561.5665 20908558.0755 -88.269 -68.781 10137141.95811 7921677.35351 22080166.190 22080166.4985 22080163.9795 2985.965 2326.726 10376475.59911 8090767.50551 22834982.907 22834983.5025 22834980.0605 -1798.220 -1401.210 10349756.47411 8068684.52551 22116508.688 22116510.1875 22116506.7085 -1259.935 -981.768 10111007.33711 7906165.31451 24517873.958 24517875.5665 24517871.0025 3439.280 2679.958 03 1 1 1 52 20.0000000 0 6G01G02G03G20G25G13 0.000000006 10163499.790 1 7931185.04841 21344309.738 21344310.4274 21344306.5554 2206.774 1719.564 10291477.555 1 8028725.40041 20908734.284 20908734.6324 20908731.0804 -92.527 -72.099 ………………………………………………… Phase in cycles, range in meters 2005-10-30 GPS技术与应用 20 5.4 观测方程的线性化 1. 测码伪距观测方程的线性化 ¾ 设卫星sj 和观测站Ti 在协议地球坐标系中瞬间空间直 角坐标向量和空间直角坐标向量分别为： ¾ 则站星瞬时距离为： [ ] [ ]T i i i i i T j j j j j X Y Z t t X t Y t Z t , , ( ) ( ) ( ), ( ), ( ) = = = = X X ρ ρ [ ]1 2 2 2 2 ( ) ( ) ( ( ) ) ( ( ) ) ( ( ) )i j i j i j i j j ρi t = ρ t − ρ = X t − X + Y t −Y + Z t − Z