Since this corresponds to the receive antennas and then there are Nr received antenna this would also be an Nr cross 1 vector that would be.
चूंकि यह रिसीव ऐन्टेना से कॉरस्पॉन्ड करता है और रिसीव ऐन्टेना हैं, यह वेक्टर भी होगा।