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| 引用本文： | 施一民. �������ʹ������ϵ���е��α������̽��[J]. 大地测量与地球动力学, 2007, 27(1): 65-68 |
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| 作者姓名： | 施一民 |
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| 作者单位： | 同济大学测量与国土信息系,上海,200092;现代工程测量国家测绘局重点实验室,上海,200092 |
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| 基金项目： | 国家自然科学基金(40471114) |
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| 摘 要： | ?????????м?????λ??????????????????????????????????????????λ????????′???????????γ??????????????????????????????????α????????????????????????????????λ??????????????????????????????????????????????????????????????????????????????????????????????λ????λ???????????????б??????????????????????????????
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| 关 键 词： | ???α? ??λ?? ??????????? ????黯???? ?????????? |
| 文章编号： | 1671-5942(2007)01-0065-04 |
| 修稿时间： | 2006-08-26 |
ANALYSIS OF CRUSTAL DEFORMATION WITH A NEW TYPE OF GEODETIC COORDINATE SYSTEM |
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| Shi Yimin. ANALYSIS OF CRUSTAL DEFORMATION WITH A NEW TYPE OF GEODETIC COORDINATE SYSTEM[J]. Journal of Geodesy and Geodynamics, 2007, 27(1): 65-68 |
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| Authors: | Shi Yimin |
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| Affiliation: | 1)Department of Surveying and Geoinformatics,Tongji University,Shanghai 200092 2)Key Laboratory of Modern Engineering Surveying ,SBSM, Shanghai 200092 |
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| Abstract: | Several expressions of horizontal displacements have been analyzed. A new idea in which the horizontal displacements are represented based on the new type of geodetic coordinate system is put forward. According to the transformation formulas between the new geodetic coordinate and the geodetic longtude and latitude, the horizontal displacement components along the northern(southern) and eastern(western) direction on the ellipsoidal surface can be expressed with the new system.Taking the length as the coordinate parameter,the geodetic computation can be realized simply and conveniently and the first fundamental form on the ellipsoidal surface is brief in the new geodetic coordinate system, so the planimetric position and horizontal displacements can be expressed in the same type of coordinate system. It would be beneficial to the strain field analysis. |
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| Keywords: | crustal deformation horizontal displacement new form of geodetic coordinate system scale factor of length first fundamental form |
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