THE PERFORMANCE OF A SKYSCREEN SYSTEM USING AN ELECTRICAL ANALOGUE COMPUTER
ARMY BALLISTIC RESEARCH LAB ABERDEEN PROVING GROUND MD
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The performance of a skyscreen system using an electrical analogue computer was demonstrated in a series of laboratory tests. Inputs for the computer are continuous analogue presentations of unrestricted azimuth and elevations angles to the target and the output is the positioning of a skyscreen aperture at the focal plane of the camera. The criterion for evaluating the performance of the system was the difference between the observed position of the skyscreen aperture and its corresponding theoretical position for selected inputs. The mean of the differences for all tests was 0.38mm. Test results indicate the acceptability of an electrical analogue computer as a component of a skyscreen system.
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