downward continuation 中文意思是什麼

downward continuation 解釋
向下延拓
  • downward : adj. 1. 下方的,向下的，低下的。2. 下降的；下坡的；（市價）下跌的。adv. ＝ downwards. adv. -ly ,-ness n.
  • continuation : n. 1. 繼續，連續；持續。2. 延續，續篇；（線路等的）延長。3. 【音樂】延留音。4. 〈pl. 〉連接短褲的幫腿，〈俚語〉褲子，襪子。
  1. The values of analytical continuation at different depths from the potential field downward constitute the continuation field, on which the principal component analysis is made

    摘要位場向下在不同深度上解析延拓的值構成延拓場，可對延拓場進行主成份分析。
  2. The mathematics required for more sophisticated treatment of downward continuation is beyond the level of this book.

    對于向下延拓更完善的論述所需要的數學已越出本書的范圍。
  3. For solving the problems that downward continuation of the space gravity anomaly can not be used in downward continuation of sea surface gravity anomaly, on the basis of prey principle used to compute gravity in the surface - layer of the earth, and with considering the density of sea water and sea bottom topography, two new methods are proposed

    摘要針對空間重力異常向下延拓方法不適用於海面重力異常向下延拓的問題，根據珀雷原理求地球表層內部重力的方法、海水密度及海底地形的特徵，提出了兩種海面重力異常向下延拓的演算法。
  4. The ill - posed problems include the ill - conditioned and the rank - deficient ones in geodesy, which exist widely in gps data processing, deformation analysis, geodesy inversion, gravity field continuation downward, and so on

    大地測量中的不適定問題包括病態問題和秩虧問題，它廣泛存在於gps數據處理、形變分析、大地測量反演、重力場向下延拓等領域。
  5. Discrete approach with 15 ' 15 ' grid is adopted in order to numerically simulate and calculate the gravitational potential field generated by the homogeneous rotation - symmetric ellipsoid, and it is verified that the method, the fictitious compress - recovery and the fictitious downward continuation of the gravitational field, is reliable and valuable at the relative accuracy level higher than 10 ^ ( - 4 )

    摘要採用15 ' 15 '網格離散化手段對均質旋轉對稱橢球體產生的引力位場進行了數值模擬計算，在相對精度優於10 ^ （ - 4 ）的水平上，驗證了引力位虛擬壓縮恢復法以及重力場虛擬向下延拓法的可靠性和有效性。
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