COMPUTATION OF GRAVITY CORRECTIONS FOR THE TERRAIN RELIEF WITH THE AID OF ELECTRONIC DIGITAL COMPUTERS.
AERONAUTICAL CHART AND INFORMATION CENTER ST LOUIS MO TECHNICAL TRANSLATION SECTION
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A method for the computation of topographic corrections with the aid of an electronic digital computer is discussed in this translation. This system is characterized by the direct computation of the corrections for the points of observation Mk, whose coordinates Xk, Yk, Hk are fed into the computer, and by the elimination from the computations of the interpolation of the corrections and elevations. Integral can be computed numerically only. For computer calculations, the relief of the terrain is generally given in a tabular form with a square network. The described method assumes that the relief is in the form of the so-called numerical terrain model. For each section of the terrain corresponding to a square of the numerical model, the mean value of the elevation above sea level is determined and recorded. Author