1[1]Omang O C D, Forsberg R. How to Handle Topography in Practical Geoid Determination: Three Examples. Journal of Geodesy, 2000(74): 458～466
2[2]Martinec Z. Boundary Value Problems for Gravimetric Determination of Precise Geoid. New York: Springer-Verlag, 1997
3[3]Heiskanen W A, Moritz H. Physical Geodesy. San Francisco: W H Freeman and Company, 1967
4[4]Forsberg R. Gravity Field Terrain Effect Computation by FFT. Bulletin Geodesique, 1985(59): 342～360
5[5]Li Y C. Optimized Spectral Geoid Determination. UCGE Report No.20050. Department of Geomatics Engineering, The University of Calgary, Calgary, Alberta, 1993
6[6]Nahavandchi H. The Direct Topographical Correction in Gravimetric Geoid Determination by the Stokes-Helmert Method. Journal of Geodesy, 2000(74): 488～496
7[7]Nahavandchi H, Sjberg L E. Precise Geoid Determination Over Sweden Using the Stokes-Helmert Method and Improved Topographic Corrections. Journal of Geodesy, 2001(75): 74～88
8[8]Wichiencharoen C. The Indirect Effects on the Computation of Geoid Undulations. OSU Report No.336. Department of Geodetic Science and Surveying, The Ohio State University, Ohio, USA, 1982
9[9]Sjberg L E, Nahavandchi H. On the Indirect Effect in the Stokes-Helmert Method of Geoid Determination. Journal of Geodesy, 1999(73): 87～93
10[10]Sjberg L E. The Total Terrain Effect in Gravimetric Geoid Determination. Boll. Sci. Affini., 1997(2): 209～222
