A Dynamically-Reconfigurable Phased Array Radar Processing System

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Provided by: University of Maryland University College
Topic: Hardware
Format: PDF
Digital beamforming is an important radar processing technique used in many communication and radar sensing applications. This paper presents a low-cost digital beamforming system which takes advantage of four eight channel Analog-to-Digital (A-to-D) converter chips and dynamic FPGA reconfiguration. A full digital beamforming algorithm capable of forming up to 24 beams from 64 antenna input signals is described. FPGA reconfiguration is performed in 400 ms allowing for FPGA retasking of the associated radar for weather and aircraft tracking.
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