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Reduced split target reply processor for secondary surveillance radars and identification friend or foe systems

Image Number 4 for United States Patent #6628225.

A method of processing reply signals received in response to an interrogation by a secondary surveillance radar system. The method includes the steps of receiving a reply signal from each of a plurality of targets, and enabling each of a plurality of target mode blocks having a predefined mode to select from the reply signals. The method further includes the step of correlating the selected reply signal to the target mode block that selected same.

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