scholarly journals MATHEMATICAL REPRESENTATION OF THE PROJECTIONS GIVEN BY SOME SIMPLE SHAPE ELEMENTS : Part 1.3 Projections of some simple curved surfaces in the projection form which has circular contours

1984 ◽  
Vol 341 (0) ◽  
pp. 72-82
Author(s):  
SYUNZI OKAMOTO ◽  
YASUO NISHI ◽  
TAKEO KOZIMA
1979 ◽  
Vol 44 ◽  
pp. 131-134
Author(s):  
A. Raoult ◽  
P. Lantos ◽  
E. Fürst

The depressions at centimetric and millimetric wavelengths associated with the filaments are studied using already published maps as well as unpublished observations from the Effelsberg 100 m radio telescope of the M.P.I., Bonn. The study has been restricted to large Ha quiescent prominences of relatively simple shape, situated far from the limb and from active regions. The data has been reduced employing one method whose main characteristics are choice of a local quiet sun definition and avoidance of the unstable process of deconvolution.


1976 ◽  
Author(s):  
John Cotton ◽  
John Gallagher ◽  
Sandra Marshall

Author(s):  
Evan Weststrate ◽  
◽  
Michael S. Squillante ◽  
Sergey Chekanov

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