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annotate m-toolbox/test/test_specwin_nenbw_definition.m @ 38:3aef676a1b20 database-connection-manager

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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
parents f0afece42f48
children
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % Test specwin/specwin normalized equivalent noise bandwidth definition.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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2 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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3 % M Hueller 06-03-09
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Daniele Nicolodi <nicolodi@science.unitn.it>
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4 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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5 % $Id: test_specwin_nenbw_definition.m,v 1.1 2009/03/06 09:26:28 mauro Exp $
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Daniele Nicolodi <nicolodi@science.unitn.it>
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6 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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7 win_names = {'Rectangular', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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8 'Welch', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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9 'Bartlett', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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10 'Hanning', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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11 'Hamming', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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12 'Nuttall3', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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13 'Nuttall4', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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14 'Nuttall3a', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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15 'Nuttall3b', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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16 'Nuttall4a', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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17 'Nuttall4b', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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18 'Nuttall4c', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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19 'BH92', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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20 'SFT3F', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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21 'SFT3M', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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22 'FTNI', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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23 'SFT4F', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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24 'SFT5F', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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25 'SFT4M', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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26 'FTHP', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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27 'HFT70', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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28 'FTSRS', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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29 'SFT5M', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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30 'HFT90D', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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31 'HFT95', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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32 'HFT116D', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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33 'HFT144D', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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34 'HFT169D', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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35 'HFT196D', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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36 'HFT223D', ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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37 'HFT248D'};
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Daniele Nicolodi <nicolodi@science.unitn.it>
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38
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Daniele Nicolodi <nicolodi@science.unitn.it>
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39 % Different parameters for the Kaiser window family
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Daniele Nicolodi <nicolodi@science.unitn.it>
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40 psll = [50:50:300];
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Daniele Nicolodi <nicolodi@science.unitn.it>
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41 % Lenght of the window
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Daniele Nicolodi <nicolodi@science.unitn.it>
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42 npts = 100;
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43
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Daniele Nicolodi <nicolodi@science.unitn.it>
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44 N = length(win_names);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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45 M = length(psll);
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46 def_dif = zeros(N+M,1);
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47
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48 % All windows but Kaiser
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Daniele Nicolodi <nicolodi@science.unitn.it>
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49 for jj = 1:N
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Daniele Nicolodi <nicolodi@science.unitn.it>
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50 w = specwin(win_names{jj},npts);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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51 % Definition from the specwin constructor (included in a helper dedicated
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Daniele Nicolodi <nicolodi@science.unitn.it>
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52 % to each window)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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53 d1 = w.nenbw;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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54 % Definition from the "theory"
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Daniele Nicolodi <nicolodi@science.unitn.it>
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55 d2 = w.ws2/(w.ws)^2/fs*length(w.win);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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56 % Relative difference
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Daniele Nicolodi <nicolodi@science.unitn.it>
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57 def_dif(jj) = (d1-d2)/mean([d1,d2]);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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58 disp([win_names{jj} ' ' num2str(def_dif(jj))]);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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59 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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60
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Daniele Nicolodi <nicolodi@science.unitn.it>
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61 % Kaiser windows
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Daniele Nicolodi <nicolodi@science.unitn.it>
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62 for jj = N+1:N+M
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Daniele Nicolodi <nicolodi@science.unitn.it>
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63 w = specwin('Kaiser',psll(jj-N),npts);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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64 % Definition from the specwin constructor (included in a helper dedicated
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Daniele Nicolodi <nicolodi@science.unitn.it>
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65 % to each window)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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66 d1 = w.nenbw;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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67 % Definition from the "theory"
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Daniele Nicolodi <nicolodi@science.unitn.it>
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68 d2 = w.ws2/(w.ws)^2/fs*length(w.win);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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69 % Relative difference
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Daniele Nicolodi <nicolodi@science.unitn.it>
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70 def_dif(jj) = (d1-d2)/mean([d1,d2]);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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71 disp(['Kaiser' num2str(psll(jj-N)) ' ' num2str(def_dif(jj))]);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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72 end