butterflymadam

Why is beamforming also termed as spatial filtering?

Please provide proper reasoning.

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themask

Beamforming is a form of filtering in spatial rather than time domain to obtain a desired spatial impulse response in order to suppress or to reject signal components coming from certain directions. The technique involves directing one or more beams in certain directions by adjusting, for example, the element excitation of an array antenna. Used in communications applications to suppress other signals than the desired source signal. Also termed spatial filtering.

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aghanashin

Transformers work by using a primary inductor to convert electrical energy into low frequency radiation which will be absorbed by the secondary inductor that will convert this energy back into electrical energy.

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