Far field imaging

Details Far field imaging Far field imaging

1978-07-03

1980-05-27

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

250203R, 250505, G01T 100, G01J 120

Patent

active

042052289

ABSTRACT:
For imaging distant radiation sources, a collimator is rotated about its own axis while that axis moves about a fixed axis pointing toward the overall field of view of the collimator. Radiation from the source will be transmitted through the collimator during each of its revolutions about its axis. The angular position of the collimator about its axis, and the angular position of the collimator axis about the fixed axis, at the time of each such transmission, define a response plane. Computerized data reduction is used to find the intersection of the response planes, which will be a line pointing precisely at the source. For multiple sources, there will be a corresponding number of intersections.

REFERENCES:
patent: 3143654 (1964-08-01), Aroyan et al.
patent: 3230379 (1966-01-01), Aroyan et al.
patent: 4090080 (1978-05-01), Tosswill

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