7VOLLATH U, BUECHERL A, LANDAU H, et al. (2000a) Long Range RTK Positioning Using Virtual Reference Stations [C]//Proceedings of the National Technical Meeting of the Satellite Division of the Institute of Navigation. SahLake : ION/GPS 2000,2000 : 1143-1147.
8Hu G R, Khoo H S. Development and Assessment of GPS VRS for RTK Positioning [J]. J Geod, 2003, 77:292-302
9Cannon M E, Lachapelle G, Fortes L P, et al. The Use of Multiple Reference Station VRS for Precise Kinematic Positioning[J]. GPS Symposium, 2001, 14(16) :29-37
10Euler H J, Keenan C R, Zebhauser B E, et al. Study of a Simplified Approach in Utilizing Information from Permanent Reference Station Arrays[C]. ION GPS 2001, 2001(9)11-14
