From efede6e989829c2065280e46a9d2503ede1c09a9 Mon Sep 17 00:00:00 2001 From: Markus Mueller-Trapet Date: Wed, 18 Jan 2017 17:57:29 +0000 Subject: [PATCH] include weights for beampattern calculation --- .../SignalProcessing/Beamforming/ita_beam_beampattern.m | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/applications/SignalProcessing/Beamforming/ita_beam_beampattern.m b/applications/SignalProcessing/Beamforming/ita_beam_beampattern.m index e490de6..bf3c8c2 100644 --- a/applications/SignalProcessing/Beamforming/ita_beam_beampattern.m +++ b/applications/SignalProcessing/Beamforming/ita_beam_beampattern.m @@ -47,7 +47,11 @@ sArgs = struct('pos1_array','itaMicArray','pos2_f','numeric','pos3_steering_th', %% do the calculation % positions of array microphones arrayPositions = array.cart; - +if isempty(array.weights) || numel(array.weights) ~= array.nPoints + weights = array.w; +else + weights = array.weights; +end % make a matrix with spherical coordinates for the unit sphere with % given angular resolution resolution = 1; @@ -67,7 +71,7 @@ k = 2*pi*f/double(ita_constants('c')); v = squeeze(ita_beam_steeringVector(k,arrayPositions,scanPositions,sArgs.wavetype)); % ... and multiply with the manifold vector for the steering % direction to get the beampattern -v_steer = ita_beam_steeringVector(k,arrayPositions,steer_vec,sArgs.wavetype).'; +v_steer = weights(:).*ita_beam_steeringVector(k,arrayPositions,steer_vec,sArgs.wavetype).'; v = v'*v_steer./sum(abs(v_steer).^2); B = reshape(v,numel(theta),numel(phi)); -- GitLab