7Cicci D A, Hall R L. Improving State Estimates and Predictions in Quick-Look Orbit Determination Problems Using Ridge-Type Estimation Methods. AIAA/AHS Astrodynamics Conference, Portland, Oregoa, 1990
8李济生.人造卫星精密轨道确定.北京:解放军出版社,1995
9周忠谟,易杰军,周琪.GPS测量原理与应用.北京:测绘出版社,1995
10Michael S Btaasch. A Signal Model for GPS [J]. Navigation, 1991, 37( 4):363-377.
