%DBTEX9 An example of beamforming on measured data from the AIMT experimental antenna with different calibration compensation of the steering matrix.%%   *  DBT, A Matlab Toolbox for Radar Signal Processing  *% (c) FOA 1994-2000. See the file dbtright.m for copyright notice.%  Start        : 970615 Svante Bj鰎klund (svabj).%  Latest change: $Date: 2000/10/16 15:40:01 $ $Author: svabj $.%  $Revision: 1.2 $% *****************************************************************************% ----------------------------------------------------------------------- %% Parameters.% ----------------------------------------------------------------------- %			MMu	= 3;			% Number of targets that MUSIC believes in.    				% The true number is 3.% ----------------------------------------------------------------------- %% Commands.% ----------------------------------------------------------------------- %% Define the antenna.ant = defant('expAnt');% Read the received antenna signals.sig = expsig1(ant,'dbtex.dbs',1);% Estimate the antenna signals correlation matrix.R = ecorrm(sig);% Set calibration compensation to use with spastemat, sdoaspc, sdoapar1 etc.setcal1('wctab','dbtex.dbc')% Estimate a DOA-spectrum.spect1 = sdoaspc('music',R,d2r(-30:0.25:30),MMu);% Change the calibration compensation.setcal1('Ccmp')% Estimate a new DOA-spectrum.spect2 = sdoaspc('music',R,d2r(-30:0.25:30),MMu);% Change the calibration compensation.setcal1('wcmedel')% Estimate a new DOA-spectrum.spect3 = sdoaspc('music',R,d2r(-30:0.25:30),MMu);% Plot all DOA-spectrums.splot2(spect1,'',spect2, '',spect3,'')legend('wctab','Ccmp','wcmedel')%printfm dbtex9a.eps [] 12