Mercurial > hg > ltpda

annotate m-toolbox/test/test_sweptsine.m @ 3:960fe1aa1c10 database-connection-manager

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Add LTPDADatabaseConnectionManager implementation. Java code
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 clear all;
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2
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3 %% Make some test data
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4
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5 amps = [1 2 3 4 5 6 7];
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6 freqs = [0.005 0.05 0.1 0.2 0.3 0.4 0.5 0.7];
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7 nsecs = [400 200 100 100 100 100 100 100];
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8 gaps = [50 50 150 50 50 50 50 50];
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9 toffs(1) = gaps(1);
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10 for kk=2:numel(nsecs)
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11 toffs(kk) = sum(gaps(1:kk)) + sum(nsecs(1:kk-1));
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12 end
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13
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14 sigs = ao(plist('waveform', 'sine wave', ...
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15 'nsecs', nsecs, ...
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16 'fs', 10, ...
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17 'A', amps, ...
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18 'f', freqs, ...
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19 'toff', toffs, 'yunits', 'V'))
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20
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21 sigs.zeropad(plist('N', 1000))
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22 sigs = sigs + ao(plist('tsfcn', '10*randn(size(t))', 'fs', 10, 'nsecs', sigs.nsecs));
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23 sigs.setName;
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24 % sigs.iplot
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25
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26 %% filter the data
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27 pzm = pzmodel(1, {[0.05 2]}, {[0.5 2]});
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28 pzm.setIunits('V');
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29 pzm.setOunits('m');
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30 f = miir(pzm, plist('fs', 10));
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31 r = f.resp(plist('f', logspace(-3,log10(5), 1000)));
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32 % iplot(r)
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33
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34 out = filter(sigs, f) + ...
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35 ao(plist('tsfcn', '1*randn(size(t))', 'fs', 10, 'nsecs', sigs.nsecs));
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36 out.setName;
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37 iplot(sigs, out)
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38
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39 %% Create the start times
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40 startTimes = time;
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41 t0 = sigs.t0;
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42 for ii=1:numel(toffs)
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43 startTimes(ii) = t0 + toffs(ii);
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44 end
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45 startTimes
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46
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47 %% Swept-sine measurement
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48
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49
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50 pl = plist('start times', startTimes, ...
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51 'durations', nsecs, ...
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52 'input', sigs, 'frequencies', freqs);
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53
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54 t1 = quasiSweptSine(out, pl)
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55
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56
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57 t1.dy ./ abs(t1.y)
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58
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59 %% Plot abs/phase
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60
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61 ppl = plist('markers', {'', 'o'}, 'linestyles', {'', 'none'},...
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62 'yranges', {[1e-3,1e2], [-180,180]})
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63 iplot(r, t1, ppl)
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64
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65 %% Plot real/imag
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66
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67 ppl = plist('markers', {'', 'o'}, 'linestyles', {'', 'none'},...
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68 'YERRL', {[], t1.y-t1.dy}, ...
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69 'COMPLEXPLOTTYPE', 'realimag', 'xscales', {'all', 'log'}, ...
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70 'yscales', {'lin', 'lin'})
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71 iplot(r, t1, ppl)
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72
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73 %% Plot abs/rad
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74
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75 ppl = plist('markers', {'', 'o'}, 'linestyles', {'', 'none'},...
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76 'YERRL', {[], t1.y-t1.dy}, ...
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77 'COMPLEXPLOTTYPE', 'absrad', 'xscales', {'all', 'log'}, ...
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78 'yscales', {'lin', 'lin'})
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79 iplot(r, t1, ppl)
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80
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81 %% Measure tf with ltfe
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82
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83 Te = ltfe(sigs, out);
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84
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85 iplot(Te)
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86
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87 Te = tfe(sigs, out, plist('navs', 100));
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88
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89 iplot(Te)
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90
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