共 3 条
- [1] GPS signal diffraction modelling: the stochastic SIGMA-δ model[J] . F. K. Brunner,H. Hartinger,L. Troyer.Journal of Geodesy . 1999 (5)
- [3] On optimal filtering of GPS dual frequency observations without using orbit information[J] . Hans-Juergen Eueler,Clyde C. Goad.Bulletin Géodésique . 1991 (2)