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solid_angle
has definitions from the fields of mathematics,geometry
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[ noun ] (mathematics,geometry) an angle formed by three or more planes intersecting at a common point (the vertex)
Used in print (Cornell H. Mayer, "Radio Emission of the Moon...)The received radiation is compared with the radiation from a hypothetical black-body which subtends the same solid_angle as the visible disk of the planet . The antenna patterns and the power gain at the peak of the beam were both measured ( Mayer , McCullough , and Sloanaker , 1958 b ) , so that the absolute power sensitivity of the antenna beam over the solid_angle of the moon was known . Related terms |
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