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KTH / Home / Articles

Published and Presented Articles

(2011) (2010) (2009) (2008) (2007) (2006) (2005) (2003) (2002) (2001)

(2012)

1.      Bagherbandi M. (2012). Impact of compensating mass on the topographic mass - a study using isostatic and non-isostatic earth crustal models. Acta Geodaetica et Geophysica Hungarica, Vol. 47(1), pp. 1–23 (2012) DOI: 10.1556/A Geod.47.2012.1.3.

2.      Sjöberg L. E. and Shirazian M. (2011) Solving the Direct and Inverse Geodetic Problems on the Ellipsoid by Numerical Integration, J Surveying Eng. (accepted).

3.      Bagherbandi M. (2012) A comparison of three gravity inversion methods for crustal thickness modelling in Tibet plateau, Asian J Earth Sci. 43(1): 89–97.

4.      Bagherbandi M. (2012), MohoIso: a MATLAB program to determine crustal thickness by an isostatic and a global gravitational model. Comput. Geosci. (accepted)

5.      Bagherbandi M. and Sjöberg L. E. (2012) A synthetic Earth gravity model based on a topographic-isostatic model. Studia Geophys.Geod. (accepted).

6.      Bagherbandi M. and Eshagh M. (2012) Recovery of Moho'sundulations based on the Vening Meinesz-Moritz theory from satellite gravity gradiometry data: A simulation study Adv. Space Res.  (accepted).

7.      Eshagh M. and Bagherbandi M. (2012) Quality description for gravimetric and seismic Moho models of Fennoscandia through a combined adjustment, Acta Geod. Geophys. Hung. (accepted).

 

Presentations at National/International Conferences

R. Tenzer, M. Bagherbandi, and P. Novak (2012). Crust-mantle density contrast derived globally using gravity and seismic models.  Geophysical Research Abstracts, Vol. 14, EGU2012-10168, EGU General Assembly 2012, Vienna, Austria (accepted).

R. Tenzer , M. Bagherbandi , P. Sirguey , and P. Novak (2012). Evidence of the ocean floor spreading in gravity data. Geophysical Research Abstracts, Vol. 14, EGU2012-10252, EGU General Assembly 2012, Vienna, Austria (accepted).

(2011)

1.      Shirazian M., Sjöberg L.E. and Horemuž M. (2011) A Remark on the GNSS Differenced Phase Ambiguity Parameters. Acta Geod. Geoph. Hung., Vol. 46(4), pp. 431–440.

2.      Eshagh M. (2011) On integral approach to regional gravity field modelling from satellite gradiometric data, Acta Geophysica, 59(1):29-54.

3.      Sjöberg L.E. and Bagherbandi M. (2011) The Analytical Continuation Error in Geoid Computation by EGM08.  J Geod. Sci. 1(1): 2-8.

4.      Eshagh M. and Sjöberg L. E. (2011) Determination of gravity anomaly at sea level from inversion of satellite gravity gradiometric data, J Geodyn. 51(5): 366-377.

5.      Eshagh M. (2011) Sequential Tikhonov Regularization: an alternative way for inverting satellite gradiometric data, ZfV 136, 113-121.

6.      Eshagh M. (2011) The effect of spatial truncation error on integral inversion of satellite gravity gradiometry data, Adv. Space Res. 47(7): 1238-1247.

7.      Eshagh M. (2011) Inversion of satellite gradiometry data using statistically modified integral formulas for local gravity field recovery, Adv. Space Res. 47(1):74-85.

8.      Eshagh M. (2010) Semi-stochastic modification of second-order radial derivative of Abel-Poisson's formula for validating satellite gravity gradiometry data, Adv. Space Res. 47(4): 757–767.

9.      Sjöberg L.E. and Bagherbandi M. (2011) A method of estimating the Moho density contrast with a tentative application by EGM08 and CRUST2.0, Acta Geophys. 59(3): 502-525.

10.  Horemuž M. and Andersson J. V. (2011) Analysis of the precision in free station establishment by RTK GPS, Survey Review , 43, 323, pp.679-686.

11.  Bagherbandi M. and Sjöberg L. E. (2011) Comparison of crustal thickness from two isostatic models versus CRUST2.0, Stud. Geophys. Geod. (Accepted).

12.  Eshagh M., Bagherbandi M. and Sjöberg L.E. (2011) A combined global Moho model based on seismic and gravimetric data, Acta Geod. Geophys. Hung. 46(1): 25-38.

13.  Sjöberg L.E. (2011) Geoid determination by spectral combination of an Earth gravitational model with airborne and terrestrial gravimetry-a theoretical study. Stud. Geophys.  Geod (Accepted).

14.  Eshagh M. (2011) On the estimation of variance in unstable condition adjustment models, Acta Geod. Geophys. Hung. 46(1): 71-83.

15.  Eshagh M. and Bagherbandi M. (2011) Smoothing impact of isostatic crustal thickness models on local integral inversion of satellite gravity gradiometry data, Acta Geophys. (in press).

16.  Sjöberg L.E., Walyeldeen H. and Horemuz M. (2011) Estimation of crustal motions at the permanent GPS station SVEA, Antarctica, from 2005 to 2009. Journal of Geodetic Science, Volume 1, Number 3 / September 2011.

17.  Sjöberg L. E. (2011) On the definition and realization of a global vertical datum, J Geod. Sci. 1(2): 154-157.

18.  Eshagh M. (2011) Spectral combination of vector gravimetric boundary value problems, Engineering Journal of Geospatial Information System (in Persian), (accepted).

19.  Sjöberg L. E. and Shirazian M. (2011) Solving the Direct and Inverse Geodetic Problems on the Ellipsoid by Numerical Integration, J Surveying Eng. (accepted).

20.  Eshagh M. and Abdollahzadeh M. (2011) Software for generating gravity gradients using a geopotential model based on irregular semi-vectorization algorithm, Compu & Geosci. (accepted).

21.  Abdollahzadeh M. and Najafi-Alamdari M. (2011) Application of Molodensky’s method for precise determination of geoid in Iran, J Geod. Sci. (accepted).

22.  Sjöberg L.E (2011) On the best quadratic minimum bias non-negative estimator of a two-variance component model, J Geod. Sci. 1(3): (accepted).

23.  Eshagh M. and Romeshkani M. (2011) Generation of vertical-horizontal and horizontal-horizontal gravity gradients using stochastically modified integral estimators, Adv. Space Res. (accepted).

 

(2010)

Journal Articles

1.      Sjöberg L.E. and Eshagh M. (2010) Considering data gaps in geoid modelling by modifying Stokes’ formula, Acta Geod. Geophys. Hung. 45:165-183.

2.      Eshagh M. (2010) Variance component estimation in linear ill-posed problems: TSVD issue, Acta Geod.  Geophys. Hung. 45, 184-194.

3.      Eshagh M. (2010) Comparison of two approaches for considering laterally varying density in topographic effect on satellite gravity gradiometric data, Acta Geophys., 58(4):661-686.

4.      Eshagh M. (2010) Least-squares modification of extended Stokes' formula and its second-order radial derivative for validation of satellite gravity gradiometry data, J Geodyn. 49:92-104.

5.      Eshagh M. (2010) Optimal combination of integral solutions of gradiometric boundary value problem using variance component estimation in the Earth gravitational modelling, Earth, Planet and Space, 62(5): 437-448.

6.      Sjöberg L.E. (2010) Solving the topographic potential bias as an initial value problem, Art. Sat. 44(3): 75-84.

7.      Eshagh M. (2010) Error calibration of quasi-geoid, normal and ellipsoidal heights of Sweden using variance component estimation, Contr. Geophys. Geod. 40(1): 1-30.

8.      Eshagh M. (2010) Spatially restricted integrals in gradiometric boundary value problems, Art. Sat. 44(4): 131-148.

9.      Eshagh M. (2010) Towards validation of satellite gradiometric data using modified version of 2nd order partial derivatives of extended Stokes’ formula, Art. Sat. 44(4): 103-129.

10.  Kiamehr R. and Sjöberg L.E. (2010) An optimum way to determine a precise gravimetric geoid based on the least-squares modification of Stokes’ formula-A case study of Sweden, Acta Geod. Geophys. Hung. 45:148-164.

11.  Eshagh M. (2010) Inversion of gravity gradients for determination of gravity anomaly in the polar gaps, Acta Geod. Geophys. Hung. 45(4): 440-451.

12.  Eshagh M. and Abdollahzadeh M. (2010) Semi-vectorization: an efficient technique for synthesis and analysis of gravity gradiometry data, Earth Sci. Inf. 3:149-158.

13.  Sjöberg L. E. (2010) A strict formula for geoid-to-quasigeoid separation, J Geod. 84(11): 699-702.

Presentations at National/International Conferences

1.      Bagherbandi M. and Sjöberg L.E. (2010) Determination of Crustal Thickness by Vening Meinesz-Moritz Hypothesis and Its Geodetic Applications, Nordic Geodetic Commission (NKG) General Assembly September 27-30, 2010, Hønefoss, Norway.

 

(2009)

Journal Articles

  1. Sjöberg L.E. (2009) The terrain correction in gravimetric geoid computation-is it needed? Geophys. J. Int. 176:14-18.
  2. Bagherbandi M., Eshagh M. and Sjöberg L.E. (2009) Multi-objective versus single-objective models in geodetic network optimization, Nordic J Surv. Re. St. 6(1):7-20.
  3. Eshagh M. and Sjöberg L. E. (2009) Atmospheric effects on satellite gravity gradiometry data, J Geodynamics, 47:9-19.
  4. Eshagh M. (2009) Impact of vectorization in global synthesis and analysis in gradiometry, Acta Geod. Geophys. Hung. 44(3):1-20.
  5. Eshagh M. and Sjöberg, L.E. (2009) Topographic and atmospheric effects on GOCE gradiomeric data in local north oriented frame: A case study in Fennoscandia and Iran, Stud. Geophys. Geod. 53:61-80.
  6. Eshagh M. (2009) Orbit Integration in non-inertial frames, J Earth & Space Phys., 35(1):1-8.
  7. Eshagh M. (2009) Spherical harmonics expansion of the atmospheric gravitational potential based on exponential and power models of atmosphere, Art. Sat. 43(1):25-43.
  8. Eshagh M., Abdollahzadeh M. and Najafi-Alamdari M. (2009) Simplification of geopotential perturbing force acting on a satellite, Art. Sat. 43(2): 45-64.
  9. Sjöberg L.E. and Eshagh M. (2009) A geoid solution for airborne gravity data, Stud. Geophys. Geod. 53: 359-374.
  10. Eshagh M. and Abdollahzadeh M. (2009) The effect of geopotential perturbations of GOCE on its observations: A numerical study, Acta. Geod. Geophys. Hung. 44 (4): 385-398.
  11. Eshagh M. (2009) The effect of lateral density variation of crustal and topographic masses on GOCE gradiometric data: A study in Iran and Fennoscandia, Acta Geod. Geophys. Hung. 44(4): 399-418.
  12. Eshagh M. (2009) The effect of polar gaps on the solutions of gradiometric boundary value problems, Art. Sat. 43(3): 97-108.
  13. Ågren J., Sjöberg L.E. and Kiamehr R. (2009) The new gravimetric quasigeoid model KTH08 over Sweden, J. Applied Geod. 3(3):143-153.
  14. Sjöberg L.E. (2009) On the topographic bias in geoid determination by the external gravity field, J Geod. 83:967-972.
  15. Eshagh M. (2009) Alternative expressions for gravity gradients in local north-oriented frame and tensor spherical harmonics, Acta Geophys. 58: 215-243.
  16. Sjöberg L. E. (2009) Solving Vening-Meinesz-Moritz inverse problem in isostasy, Geophys. J. Int. 179: 1527-1536.
  17. Eshagh M. (2009) Contribution of 1st-3rd order terms of a binomial expansion of topographic heights in topographic and atmospheric effects on satellite gravity gradiometric data, Art. Sat. 44(1): 21-31.
  18. Eshagh M. (2009) Least-squares modification of Stokes' formula with EGM08, Geod. & Cart., 35 (4) : 111-117.
  19. Jacoby W. R., Hartmann O., Wallner H., Smilde P. L., Buerger S., Sjöberg L. E., Erlingsson S., Wolf D., Klemann V. and Sasgen I. (2009) Temporal gravity variations near shrinking Vatnajökull ice cap, Iceland, Pure appl. geophys. 166:1283-1302.
  20. Eshagh M. (2009) On the convergence of spherical harmonic expansion of topographic and atmospheric biases in gradiometry, Contr. Geophys. Geod. 39(4): 273-299.

 

Reports

1.      Horemuz M. (2009). Infrastructure for navigation in urban and indoor areas – feasibility study. Report from research project rupported by Stiftelsen J Gust Richert.

2.      Eshagh M. (2009). Complementary studies in Satellite Gravity Gradiometry, Post-doctoral report in Geodesy, TRITA-TEC-RR 09-006, 388 p. Royal Institute of Technology (KTH), Stockholm, Sweden. (ISSN:1653-4484, ISBN: 13: 978-91-85539-47-5).

Book

  1. Eshagh M. and Sjöberg L. E. (2009) Satellite Gravity Gradiometry: An approach to high resolution gravity field modeling from space. VDM verlag, 244 p., ISBN-13 : 978-3639203509.

Presentations at National/International Conferences

  1. Eshagh M. (2009) Optimal combination of integral solutions of gradiometric boundary value problem, EGU General Assembly 2009.
  2. Abdollahzadeh M., Eshagh M. and Najafi-Alamdari M. (2009) A Semi-Vectorization Algorithm to Synthesis of Gravitational Anomaly Quantities on the Earth's Surface, EGU General Assembly 2009.
  3. Eshagh M. (2009) Least-squares modification and satellite gravity gradiometry, The VII Hotine-Marussi Symposium, 6-10th July 2009, Faculty of Engineering Chiostro of the Basilica of S. Pietro in Vincoli, Rome, Italy.

 (2008)

Journal Articles

  1. Sjöberg L. E. (2008) A strict transformation from Cartesian to Geodetic coordinate, Surv. Rev. 40:156-163.
  2. Eshagh M. and Sjöberg L.E. (2008) Impact of Topography and atmosphere over Iran on validation and inversion of GOCE gradiometric data, J Earth & Space Phys., 34 (3) : 15-30.
  3. Eshagh M. and Sjöberg L.E. (2008) The modified best quadratic unbiased non-negative estimator (MBQUNE) of variance components, Stud. Geophy. Geod. 52 :305-320.
  4. Kiamehr R, Eshagh M. and Sjöberg LE, (2008) Interpretation of the general geophysical patterns of Iran based on the gradient components analysis of the GRACE , Acta Geophys., 56(2) : 440-454.
  5. Kiamehr R. and Eshagh M. (2008) Estimation of variance components Ellipsoidal, Geoidal and orthometrical heights, J Earth & Space Phys., 34(3) : 1-13.
  6. Eshagh M. (2008) Non-singular expressions for vector and gradient tensor of gravitation in a geocentric spherical frame, Com. & Geosci. 32 : 1762-1768.
  7. Kiamehr R. and Eshagh M. (2008) EGMlab, a scientific software for determining the gravity and gradient components from global geopotential models, Earth Sci. Inf. 1 : 93-103.
  8. Sjöberg L.E. (2008) Geodetic intersection on the ellipsoid, J Geod, 82:565-567.

Presentations at National/International Conferences

  1. Sjöberg L.E. (2008) New solutions to classical geodetic problems on the ellipsoid. In M Sideris (Ed.): Observing our changing Earth. IAG Symposia Vol. 133:781-784.
  2. Ågren J., Kiamehr R. and Sjöberg L.E. (2008) Computation of a new gravimetric geoid model over Sweden using the KTH method. Paper presented at FIG working week, 14-18 June, Stockholm, Sweden.

(2007)

Journal Articles

  1. Sjöberg L. E. (2007) The topographic bias by analytical continuation in physical geodey. J Geod. 81:345-350.
  2. Sjöberg L. E. (2007) Precise determination of the Clairaut constant in ellipsoidal geodesy. Surv. Rev. 39:81-86.
  3. Sjöberg L. E. (2007) Answers to the comments by M. Vermeer on L.E. Sjöberg (2007) The topographic bias by analytical continuation in physical geodesy. J Geod. 81:345-350.
  4. Eshagh M. and Najafi Alamdari M. (2007) Perturbations in orbital elements of a low Earth Orbiting (LEO) satellite, J. Earth & Space Phys., 33(1) : 1-12.
  5. Eshagh M., Sjöberg L. E. and Kiamehr R. (2007) Evaluation of robust techniques in suppressing the impact of outliers in a deformation monitoring network - A case study on the Tehran Milad tower network, Acta Geod. Geophys. Hunga., 42(4) : 449-463.
  6. Eshagh M. and Kiamehr R. (2007) A Strategy for Optimum Designing of the Geodetic Networks from the Cost, Reliability and Precision Views, Acta Geod. Geophys. Hung. 42(3) : 297-308.
  7. Kiamehr R. (2007) A new height datum for Iran based on the combination of gravimetric and geometric geoid models, Acta Geod. Geophys. Hung. 42:69-81.
  8. Kiamehr R. (2007) Qualification and refinement of the gravity database based on cross0validation approach-A case study of Iran, Acta Geod. Geophys Hung. 42:285-295.

Presentations at National/International Conferences

  1. Ågren J., Kiamehr R. and Sjöberg L.E. (2006) Numerical comparison of two strategies for geoid and quasigeoid determination over Sweden. Poster presentation to the IUGG general meeting, Perugia, Italy, 2-12 July.

(2006)

Journal Articles

  1. Sjöberg L.E. (2006) The Effects of Stokes' Formula for an Ellipsoidal Layering of the Earth's Atmosphere, J. Geod., 79(12): 675 - 681.
  2. Horemuz M. and Andersson J.V. (2006) Polynomial Interpolation of GPS satellite coordinates, GPS-solutions, Springer-Verlag. 10(1): 67-72.
  3. Kiamehr R. (2006) A strategy for determining the regional geoid in developing countries by combining limited ground data with satellite-based global geopotential and topographical models: A case study of Iran, J. Geod., 79: 602-612.
  4. Sjöberg L. E. (2006) New solutions to the direct and indirect geodetic problems on the ellipsoid, ZfV, 131:35-39.
  5. Sjöberg L.E. (2006) Comments H. Schmidt's remarks on Sjöberg, ZfV, 155
  6. Sjöberg L.E. (2006) Determination of areas on the plane, sphere and ellipsoid, Surv. Rev. 30(301):583-593.
  7. Kiamehr R. and Sjöberg L.E. (2006) Impact of a precise geoid model in studying tectonic structure-A case study in Iran, J Geodyn., 42:1-11.
  8. Sjöberg L. E. (2006) A new technique to determine geoid and orthomatric heights from satellite positioning and geopotential numbers, J Geod. 80:304-312.
  9. Sjöberg L. E. (2006) A refined conversion from normal height to orthometric height, Stud. Geophys. Geod. 50:595-606.
  10. Eshagh M. and Najafi-Alamdari M. (2006) Comparison of different methods of orbit integration of a low Earth orbiting satellite, J. Earth & Space Phys., 32(3) : 41-57.
  11. Eshagh M. and Najafi-Alamdari M. (2006) The effects of Solid Tide on an elastic and unelastic Earth, J. Earth & Space Phys., 32(3) : 1-9.

Conference Proceedings

  1. Eshagh M. (2006) Long Wavelength Geoid Determination of Iran, ISPRS Conference, Berlin, Germany.
  2. Eshagh M. (2006) Bi-Objective models of Geodetic Network Optimization, ISPRS Conference, Berlin, Germany.
  3. Eshagh M. (2006) Multi-Objective Models of Geodetic Network Optimization, Geomatics 85 conference, National Cartographic Center of Iran, Tehran, Iran.
  4. Eshagh M., Najafi Alamdari, M., Farnin A. (2006) Investigation of long wavelength EIGEN spheroids of Iran, Conference proceedings of International symposium, Sofia, Bulgaria.
  5. Eshagh M. (2006) Scalar Risk functions as Criteria for datum Definition of Geodetic Networks. Geomatics 85 conference, National cartographic Center of Iran, Tehran, Iran.

Presentations at National/International Conferences

  1. Sjöberg L.E. (2006) From normal height to orthomatric height and from from quasi-geoid to geoid. Paper presented to the NKG general Meeting in Copenhagen, May 2006.
  2. Ågren J., Kiamehr R. and Sjöberg L.E. (2006) Progress in the determination of a gravimetric quasigeoid model over Sweden, paper presented to the 15th General Meeting of the NKG, Copenhagen, 29 May-2 June.
  3. Ågren J., Kiamehr R. and Sjöberg L.E. (2006) The Swedish geoid as evaluated by the method of least-squares modification with additive corrections, paper presented to the 1st symposium of the Int. gravity field service, Istanbul, 28 August-1 September.
  4. Eshagh M. (2006) Single-Objective Models of Geodetic Network Optimization, InterGeo East conference, Belgrade, Serbia.
  5. Eshagh M., Najafi Alamdari, M., Farnin A. (2006) Investigation of long wavelength EIGEN spheroids of Iran, Conference proceedings of International symposium, Sofia, Bulgaria

(2005)

Journal Articles

  1. Reshetyuk Y., Horemuz M. and Sjöberg L.E. (2005) Determination of the optimal diameter for spherical targets used in 3D laser scanning. Surv. Rev., 38, 297: 243-253.
  2. Kiamehr R. and Sjöberg L.E. (2005) Effect of the SRTM global DEM on the determination of a high-resolution geoid model: a case study in Iran, J. Geod., 79(9):540-551.
  3. Kiamehr R. and Sjöberg L.E. (2005) Comparison of the qualities of recent global and local gravimetric geoid models in Iran, Stud. Geophys. et Geod., Vol 49: 289-304.
  4. Kiamehr R. and Sjöberg L.E. (2005) Surface Deformation Patterns Analysis Using 3D Finite Elements Method: A case study in Skåne area, Sweden, J. Geodynamics, Vol 39 (4): 403-412.
  5. Sjöberg L.E. (2005) A local least-squares modification of Stokes' formula. Stud. Geophys. Geod. 49:23-30
  6. Sjöberg L.E. (2005) New views of the spherical Bouguer gravity anomaly, Geophys. J. Int. 159:460-472. (P Vanicek, R Tenzer, LE Sjöberg, Z Martinec, WE Featherstone)
  7. Sjöberg, L.E. (2005) A discussion on the approximations made in the practical implementation of the remove-compute-restore technique in regional geoid modelling. J Geod. 78 : 645-653
  8. Eshagh M. (2005) Step Variable Numerical Orbit Determination of a Low earth Orbit Satellite, J. Earth & Space Phys., 31(1) : 1-12.

Conference Proceedings

  1. Horemuz M. and Gajdamowicz K. (2005) Integration of digital camera with INS, Proceedings "Optical 3-D Measurement Techniques VII", Vienna, Austria, October 3-5, 2005.
  2. Kiamehr R. (2006) A new height datum for Iran based on combination of the Gravimetric and GPS/levelling geoid models. Presented in Dynamic Planet 2005 Conference 22 - 26 August 2005 Australia, Cairns)- In Press, IAG Symposia Series by Springer Verlag.
  3. Kiamehr, R. (2005) Qualification and refinement of the Iranian gravity database, Proc. Geomatics 84 Conferences, Iranian National Cartographic Centre, Tehran, Iran.
  4. Eshagh M. (2005) On BQUE and BQUNE of variance-covariance components, Proc. Geomatics 84 Conference, Iranian National Cartographic Center, Tehran, Iran.
  5. Eshagh M. (2005) Robust maximum Likelihood Estimation of Huber in geodetic Networks , Proc. Geomatics 84 Conference, National Cartographic Center, Tehran, Iran.
  6. Eshagh M. and Alishahi R. (2005) Investigation of Behavior of Net points during variance components estimation process, Proceeding of the International Symposium, Education and Modern technology, in geodesy and Related fields, Sofia, Bulgaria.

Presentations at National/International Conferences

  1. Gajdamowicz K. and Horemuz M. (2005) Laser scanning and 3D Modeling of War Ship Vasa, Optical 3-D Measurement Techniques VII, Vienna, Austria, October 3-5, 2005.
  2. Eshagh M. (2005) Generalized Least Squares Adjustment of Gauss-Helmert Model, 36-th Iranian Mathematics Conference, Yazd, Iran.
  3. Najafi Alamdari M., Bagherbandi M., Hatam Y., Eshagh M., Goli M. (2005) Precise Determination of the Geoid in Iran using the Stokes-Helmert Scheme, European Geophysical Union conference, Wien, Austria.
  4. Eshagh M. and Najafi-Alamdari M. (2005) Numerical Orbit Integration of a Low earth Orbiting satellite , GNSS 2005 conference, Munich, Germany.
  5. Eshagh M. and Najafi-Alamdari M. (2005) Investigation of Orbital Perturbations of a Low Earth Orbiting (LEO) Satellite. NATM Conference, Institute of Navigation of United states, Masachuset, USA.

(2003)

Publications

  1. Sjöberg (2003). The BLUE of GPS Double difference satellite-to-receiver range for precise positioning. ZfV, 128 (2003): 26-30.
  2. Sjöberg (2003). The ellipsoidal correction to order e2 of geopotential coefficients and Stokes' formula. Accepted by Journal of Geodesy, Jan. 2003.

(2002)

Publications

  1. Ellmann A (2002): An improved gravity anomaly grid and a geoid model for Estonia. Proc Estonian Acad. Sci. Geol., 51, 199-214.
  2. Ellmann A., and Sjöberg L.E. (2002): Combined topographic effect applied to the biased type of the modified Stokes formula. Boll Geod Sci Aff, 61, 207-226.
  3. Horemuz M and LE Sjöberg (2002). Rapid GPS ambiguity resolution for short and long baselelines. Journal of Geodesy, 76: 381-391
  4. Pan M, LE Sjöberg, E Asenjo, A Alemu and LM Asfaw (2002). An analysis of the Ethiopian Rift Valley GPS campaigns in 1994 and 1999. J of Geodynamics, 33: 333-343
  5. Sjöberg LE (2002). The three-point problem of the median line turning point: on the solutions for the sphere and ellipsoid. International Hydrografic Review 3(1): 81-87
  6. Sjöberg LE (2002). A solution to the downward continuation effect on the geoid determined by Stokes' formula. Journal of Geodesy (In print)
  7. Sjöberg LE (2002c). The BLUE of the GPS double difference satellite-to-receiver range for precise positioning. Zeitschrift für Vermessungswesen. (In print)

(2001)

Publications

  1. Nahavandchi, H. and L. E. Sjöberg (2001). Precise geoid determination over Sweden by the Stokes-Helmert method and improved topographic corrections. Journal of Geodesy, 75: 74-88, 2001.
  2. Nahavandchi, H. and L. E. Sjöberg (2001). Two different views of topographical effects and downward-continuation corrections in the Stokes-Helmert approach to geoid computation. Journal of Geodesy, 74: 816-822, 2001.
  3. Pan, M., Sjöberg, L.E. and Talbot, C. (2001). Crustal movements in Skåne, Sweden, between 1992 and 1998 as observed by GPS. Journal of Geodynamics, 31: 311-322, 2001.
  4. Sjöberg, L.E (2001). Topographic and atmospheric corrections of the gravimetric geoid determination with special emphasis of the effects of degrees zero and one. Journal of Geodesy, 75: 283-290, 2001
  5. Sun, W. and L.E.Sjöberg. (2001). Convergence and optimal truncation of binomial expansions used in isostatic compensations and terrain corrections, Journal of Geodesy. 74: 627-636, 2001 .
  6. Sun, W. and L.E.Sjöberg. (2001). Tidal effects on determining a point at the bottom of the Sea by combining GPS and sonar observations. Marine Geodesy, 24: 35-51, 2001.
  7. Sun, W. and L.E.Sjöberg. (2001) Permanent components of the crust, geoid and ocean depth tides. J. of Geodynamics, 31: 323-339, 2001.

 

 

Administered by Mehdi Eshagh
Updated: 2012-02-27 by MH