High-speed Parallel Dsp Dbf System And Algorithm Research

Adaptive array interference nulling technique based on digital beamforming (DBF) can improve greatly the anti梚nterference capabilities of a radar. It becomes a very important and key technique which a modern radar has to use. This paper discusses high梥peed parallel DSP adaptive digital beam forming processing system, including QRD桽MI algorithm, parallel processing based on Systolic array and ~rVavefront array, the scheme, research, design of the experimental hardware and software platform. The last part gives the results of receiving DBF and transmitting DBF, produced by the experimental platform. From these results, we can see the algorithm is effective. And because of the utilization of parallel processing, the processing speed is improved greatly. This makes the system suitable for real梩ime signal processing. The paper also describles the development of programmable logic device.