Communications: directive radio wave systems and devices (e.g. – Combined with diverse type radiant energy system – With infrared device
Patent
1986-05-09
1988-10-25
Blum, Theodore M.
Communications: directive radio wave systems and devices (e.g.,
Combined with diverse type radiant energy system
With infrared device
342 67, 342351, G01S 1386
Patent
active
047807199
ABSTRACT:
The proposed surveillance system for surveilling a given scenario in azimuth and in elevation comprises an infrared surveillance detection device passively operating in the infrared region and a radar search and/or tracking device operating in the active mode for range determination. The targets or target information data are obtained as video signals from the infrared surveillance detection device during each search cycle and are processed in an infrared data processor. The video signals are discriminated and stored in an infrared signal processor with respect to their elevation angle values (.lambda.) and azimuth angle values (.alpha.). The values of the azimuth angle (.alpha.) are simultaneously fed to a radar activation and contol unit for triggering a momentary or short-time emission by the radar search and/or tracking device. Genuine target coordinates with respect to elevation, azimuth and range as determined by the infrared surveillance detection device and the radar search and/or tracking device are fed to a superordinate fire control system while false alarms or false-target related data are suppressed in order to prevent further radar emission in the direction of such target objects.
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Koppl, "H930 Weapon Fire Control System Radar Sensors"; Proc.s of NAECON '81, pp. 623-629.
Frei Ernst
Schlaepfer Hansjorg
Blum Theodore M.
Contraves AG
Gregory Bernarr E.
Kleeman Werner W.
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