plotAcquisition.m

function plotAcquisition(acqResults,settings)
%Functions plots bar plot of acquisition results (acquisition metrics). No
%bars are shown for the satellites not included in the acquisition list (in
%structure SETTINGS).
%
%plotAcquisition(acqResults)
%
%   Inputs:
%       acqResults    - Acquisition results from function acquisition.

%--------------------------------------------------------------------------
%                           SoftGNSS v3.0
%
% Copyright (C) Darius Plausinaitis
% Written by Darius Plausinaitis
%--------------------------------------------------------------------------
%This program is free software; you can redistribute it and/or
%modify it under the terms of the GNU General Public License
%as published by the Free Software Foundation; either version 2
%of the License, or (at your option) any later version.
%
%This program is distributed in the hope that it will be useful,
%but WITHOUT ANY WARRANTY; without even the implied warranty of
%MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
%GNU General Public License for more details.
%
%You should have received a copy of the GNU General Public License
%along with this program; if not, write to the Free Software
%Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
%USA.
%--------------------------------------------------------------------------

% CVS record:
% $Id: plotAcquisition.m,v 1.1.2.4 2006/08/09 17:20:11 dpl Exp $

%% Plot all results =======================================================
figure(101);

hAxes = newplot();

bar(hAxes, acqResults.peakMetric);

title (hAxes, 'Acquisition results');
xlabel(hAxes, 'PRN number (no bar - SV is not in the acquisition list)');
ylabel(hAxes, 'Acquisition Metric');

oldAxis = axis(hAxes);
axis  (hAxes, [0, 33, 0, oldAxis(4)]);
set   (hAxes, 'XMinorTick', 'on');
set   (hAxes, 'YGrid', 'on');

%% Mark acquired signals ==================================================
if (strcmp(settings.signalType,'IQ')==1)
    acquiredSignals = acqResults.peakMetric.*(acqResults.peakMetric >= settings.acqThreshold);
else
    acquiredSignals = acqResults.peakMetric .* (acqResults.carrFreq > 0);
end

hold(hAxes, 'on');
bar (hAxes, acquiredSignals, 'FaceColor', [0 0.8 0]);
AX = axis();
line([AX(1), AX(2)], [settings.acqThreshold, settings.acqThreshold],'Color','r','Linewidth',2) %%% EF
hold(hAxes, 'off');

legend(hAxes, 'Not acquired signals', 'Acquired signals', 'Acquisition Threshold');

end