METHOD AND APPARATUS FOR PASSIVE MAPPING
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Abstract
A METHOD AND APPARATUS IS DISCLOSED WHEREBY A NUMBER OF RADIATION EMITTERS MAY BE PRESSIVELY MAPPED BY MOVING A SENSOR MEANS HAVING A MULTILOBED RECEIVING PATTERN PAST THE EMITTERS SO THAT THE ENVELOPE OF THE SIGNAL RECEIVED THEREFROM FLUCTUATES IN ACCORDANCE WITH THE LOBE STRUCTURE OF THE PATTERN. THE RELATIVE TIME OF ARRIVAL OF THE SIGNAL IS DETERMINED TO PROVIDE AN INDICATION OF THE EMITTER AZIMUTH, AND THE RELATIVE ELONGATION OF THE RECEIVED SIGNAL IS DETERMINED TO PROVIDE AN INDICATION OF THE EMITTER RANGE.
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