Application of Large Elliptic Ellipsoid Gauss Projection in High-speed Railway

doi:10.13474/j.cnki.11-2246.2018.0016

Abstract

Abstract:

In order to reduce the problem of projection band transformation of the control point data in the east-west long projective engineering when Gaussian transformation is performed, the paper proposes to establish a large elliptical ellipsoid with the large elliptical line near the center line of the engineering line or its neighborhood. The large elliptic ellipsoid parameters are obtained according to the nonlinear programming optimal theory and ellipsoid transformation is finished,and then the Gauss projection is based on the new ellipsoid.

Key words: large elliptical line, ellipsoid transformation, non-linear optimization, projection deformation

CLC Number:

P258

FENG Ligang, YAO Dexin, JIN Lixin. Application of Large Elliptic Ellipsoid Gauss Projection in High-speed Railway[J]. 测绘通报, 2018, 0(1): 88-91,124.

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