| 按垂直温差计算折光系数的方法之二 |
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| 引用本文： | 肖复何.按垂直温差计算折光系数的方法之二[J].中南大学学报(自然科学版),1987(3). |
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| 作者姓名： | 肖复何 |
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| 作者单位： | 中南矿冶学院采矿系 |
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| 摘 要： | 本文根据Chaughey和Palmer(1979)的研究成果“对流边界层(即混合层)热通量H近似地随高度而线性减小”,提出了一种新的按垂直温差计算折光系数的方法。这种方法应用于山区或丘陵地区的三角高程测量中,能够提高折光系数和三角高程测量的精度。
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| 关 键 词： | 三角测量 高程测量 大地测量 测量平差 折射率 大气折射 计算方法 |
THE SECOND METHOD OF COMPUTING REFRACTION COEFFICIENT WITH VERTICAL DEFFRENCE OF TEMPERATURE |
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| Xiao Fuhe.THE SECOND METHOD OF COMPUTING REFRACTION COEFFICIENT WITH VERTICAL DEFFRENCE OF TEMPERATURE[J].Journal of Central South University:Science and Technology,1987(3). |
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| Authors: | Xiao Fuhe |
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| Institution: | Department of mining |
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| Abstract: | On the basis of the conclusion, that the heat flux H decreases approximately linearly with the heihht in the convective boundary layer (CBL), given by Changhey and Palmer (1979), this paper suggests a new method of computing the refraction coefficient with the vertical deffrence of temperature. This methoad being applicable to the trigonometric leveling in the mountainous region or hilly land, the accuracy of refraction coefficient and trigonometric leveling could be heightened. |
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| Keywords: | triangalanon altitude control survey geodetic surveying adjestment of measurement refractivity atmospheric refraction computational method |
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