Abstract The results of combined GPS/GLONASS single point positioning (SPP) are compared with each other under different observation weights by using singlefrequency pseudorange observations and broadcast ephemeris data and then the effect of atmospheric errors on SPP is discussed and analyzed. Finally, the computation of SPP is conducted with the Least Square and Kalman filter algorithms. The results indicate that the combined GPS/GLONASS SPP can achieve accuracies better than 2.5 m in the horizontal components and 4.5 m in the vertical component for singleepoch solutions. In addition, accuracies better than 1 m in three coordinate components can be obtained during a 24hour observation period. Compared with GPSonly SPP, the accuracy improvement is significant for both algorithms.
Cai Changsheng,Dai Wujiao,Kuang Cuilin et al. ACCURACY ASSESSMENT OF COMBINED SINGLE-FREQUENCY GPS/GLONASS SINGLE POINT POSITIONING[J]. , 2011, 31(3): 85-89.
Cai Changsheng,Dai Wujiao,Kuang Cuilin et al. ACCURACY ASSESSMENT OF COMBINED SINGLE-FREQUENCY GPS/GLONASS SINGLE POINT POSITIONING[J]. jgg, 2011, 31(3): 85-89.
