caiyu/openEMS
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

added an option to set the markers manually

Browse Source
This commit is contained in:
Georg Michel 2017-03-23 21:10:50 +01:00
parent 68a099af04
commit 5a882a7085
1 changed files with 15 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
matlab/plotRefl.m
View File

@ -18,9 +18,11 @@ function h = plotRefl(port, varargin)
% for the frequency (always in MHz), default is 0
% 'threshold': - Threshold value (in dB) for the upper and lower
% cutoff frequency, default is -3
% 'fmarkers': - set lower and upper frequency marker in Hz manually,
% like so: [4e9, 6.5e9]
% example:
% myport = calcPort(myport, Sim_Path, linspace(f_0-f_c, f_0+f_c, 200));
% plotRefl(myport);
% plotRefl(myport, 'fmarkers', [4e9, 6.5e9]);
%
% See also calcPort
%
@ -31,14 +33,16 @@ function h = plotRefl(port, varargin)
%defaults
precision = 0;
threshold = -3;
fmarkers = [];
for n=1:2:numel(varargin)
if (strcmp(varargin{n},'precision')==1);
precision = varargin{n+1};
elseif (strcmp(varargin{n},'threshold')==1);
threshold = varargin{n+1};
else
elseif (strcmp(varargin{n},'fmarkers')==1);
fmarkers = varargin{n+1};
else
warning('openEMS:polarFF',['unknown argument key: ''' varargin{n} '''']);
end
end
@ -111,8 +115,14 @@ text (real (rho), imag (rho), '0');
s11dB = 20*log10(abs(s11));
if(isempty(fmarkers))
upperind = s11dB(1:end-1) < threshold & s11dB(2:end) > threshold;
lowerind = s11dB(1:end-1) > threshold & s11dB(2:end) < threshold;
else
upperind = [nthargout(2, @min, abs(fmarkers(2)-port.f))];
lowerind = [nthargout(2, @min, abs(fmarkers(1)-port.f))];
end
minind = nthargout(2, @min, s11dB);
handle1 = plot(s11(lowerind),['<','b']);
handle2 = plot(s11(upperind),['>','b']);
@ -120,6 +130,7 @@ handle3 = plot(s11(minind),['*', 'b']);
llegend = num2str(port.f(lowerind)(1)/1e6, ffmt);
ulegend = num2str(port.f(upperind)(1)/1e6, ffmt);
if nnz(lowerind) > 1
for i= 2:nnz(lowerind)
llegend = strjoin({llegend, num2str(port.f(lowerind)(i)/1e6, ffmt)}, ', ');