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K. Jeyapalan 《The Photogrammetric Record》1972,7(40):466-472
In analytical methods of photogrammetry, plate co-ordinates are obtained from stereocomparator and monocomparator observations. These specialist instruments are too costly an investment for small organisations. The paper describes a method of obtaining plate co-ordinates from model co-ordinates and gives the results of a test experiment. 相似文献
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Jey K. Jeyapalan 《国际地质力学数值与分析法杂志》1983,7(1):87-100
A characteristic common to most mine tailings dam failures is that the mine tailings tend to liquefy and flow over substantial distances, with the potential for extensive damage to property and life. In order to be able to assess the potential for damage in case of such a failure, it is necessary to be able to predict the characteristics of the flow and the possible extent of flood movement. A procedure that has some potential for such flow analyses is described in this paper. When fluid resistanceis neglected, the solution of the simple dam-break problem is readily found using the shallow water theory. However, near the head of the mine waste dam-break flood wave the laminar resistance resistance effects are appreciable. In this paper the retardation of the wave-front behind the position predicted by the inviscid shallow water theory is found. 相似文献
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K. Jeyapalan 《The Photogrammetric Record》1969,6(33):285-290
This note represents an extension of some earlier work on the plan adjustment of a fully controlled strip (Thompson, 1967). A similar method was developed for the height adjustment. Unlike other adjustment methods using polynomials, both plan and height adjustment formulae are very simple, so that adjustment can be rapidly carried out by hand computation. 相似文献
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