地形改正與地形直接影響的轉(zhuǎn)化關(guān)系
[Abstract]:The traditional methods for solving third boundary value problems include the Molodensky algorithm and the Stokes-Helmert algorithm. The direct influence used in the terrain correction and the Stokes-Helmert algorithm used in the Molodensky algorithm is generated by the terrain outside the geoid, and therefore the relationship is inevitable. On this basis, the plane integral algorithm of the mass line, the plane integral algorithm of the mass prism and the spherical integral algorithm of the topographic correction are given on this basis. In addition, the interlayer correction algorithm of the Bouguer spherical crown is also derived. The plane integral of the quality line directly influenced by the experiment is obtained by the experiment. The difference between the algorithm and the quality prism plane integral algorithm and the traditional ball area algorithm is 3.81 and 1.64 m Gal respectively. The difference between the terrain correction ball area classification algorithm and the traditional quality line, the difference between the quality prism plane integral is 3.92 and 1.69 m Gal. respectively, and the results show that the relationship between the direct influence and the topographic correction is correct and effective, Economic.
【作者單位】: 信息工程大學(xué);地理信息工程國家重點(diǎn)實(shí)驗(yàn)室;西安測繪研究所;陸軍航空兵學(xué)院;72515部隊(duì);
【基金】:國家自然科學(xué)基金項(xiàng)目(41674025;41674082) 地理信息工程國家重點(diǎn)實(shí)驗(yàn)室開放研究基金項(xiàng)目(SKLGIE2016-M-1-5)
【分類號】:P223.0
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