Discussion
What is digital beamforming?
Answer: D
In digital beamforming each element's signal is digitised and the beams are formed afterwards in software, so many beams can be made simultaneously from the same data. That is impossible with analogue phase shifters, which form one beam at a time. Digitally controlled phase shifters are still analogue beamforming, pattern display is a measurement matter, and beam switching is a much simpler technique with fixed patterns.
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