function RxOut = receive_antenna(ChannelOut, Target, RxPattern)
    [NumTargets, NumRx, NumTx, NumChirps, N_adc] = size(ChannelOut.space_loss_amp);
    RxOut = ChannelOut; 
    
    for k = 1:NumTargets
        for rx = 1:NumRx
            pat = RxPattern(rx);
            if strcmpi(pat.Type, '2D')
                g_dBi = interp2(pat.az_angles, pat.el_angles, pat.gain_dBi, Target.az(k), Target.el(k), 'linear', -20);
            else
                g_az = interp1(pat.az_angles, pat.gain_az_dBi, Target.az(k), 'linear', -20);
                g_el = interp1(pat.el_angles, pat.gain_el_dBi, Target.el(k), 'linear', -20);
                g_dBi = g_az + g_el - pat.max_gain_dBi;
            end
            
            % 수신 안테나 선형 진폭 이득 결합
            rx_gain_amp = sqrt(10^(g_dBi/10));
            RxOut.space_loss_amp(k, rx, :, :, :) = RxOut.space_loss_amp(k, rx, :, :, :) * rx_gain_amp;
        end
    end
end