[WIP] Breaking Change - Use Update
Folder name is changed, rework the html templates Change the organisation.
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@@ -3,9 +3,9 @@
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%% NOTE
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% With this file you can load the raw mat files
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%% Description: measure on id31 microstation in exp hutch
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% FS: =256Hz
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@@ -57,8 +57,8 @@
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%%
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microstation=['Marble '; 'TY ';'Tilt '; 'Hexapod '];
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%
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%% PARAMETERS
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%
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%% PARAMETERS
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beamline='ID31 Nanostation - Hammer testing';
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% --------------------------------
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@@ -68,7 +68,7 @@ ch_max=16;
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%mult=1e6/276*173; % --> m/s to micron/s and sensitivity correction for L4-C
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nyqhp=2.56; % nyquist
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nyqhp=2.56; % nyquist
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f_cut=0.5; % cut frequency for high pass filter
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t_win=4; % window length in sec
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t_ovlp=0; % overlap window in sec
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@@ -93,93 +93,93 @@ shock_ch=9;
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%% main loop --------
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% ------------------
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for i=capt
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eval(['load Measurement_raw',num2str(i)])
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freq_max=Track1_TrueBandWidth;
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dts=1/(freq_max*nyqhp);
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dts=1/(freq_max*nyqhp);
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freq=linspace(0,freq_max,t_win*freq_max);
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wo=2*pi*freq;
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for k=1:ch_max
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vname=['Track',num2str(k)];
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array_exist(k)=ismember(vname,who);
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end
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non_zero=find(array_exist);
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for z=non_zero(1):length(non_zero)
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track_nb=['Track',num2str(z)]';
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eval(['data(:,z)=Track',num2str(z),';']);
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track_nb=['Track',num2str(z)]';
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eval(['data(:,z)=Track',num2str(z),';']);
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end
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c=data*mult;
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%-------------
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nbch=size(c,2);
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%-------------
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r=length(c);
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if r/2~=fix(r/2) % loop to test for odd or even nb of samples
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c=c(1:r-1,:); % take only even
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else
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else
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end
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%------------------------------
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time=linspace(0,length(c)*dts,length(c));
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time=linspace(0,length(c)*dts,length(c));
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for j=nbch %shunt_ch
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[c(:,j),c_shut]=shut_c(c(:,j),1/dts); % correct for shunt
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[c(:,j),c_shut]=shut_c(c(:,j),1/dts); % correct for shunt
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end
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%c(:,8)=(c(:,5)-c(:,4))/d; % differential Theta Y angle
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b=find(no_hammer==i); % if i==1 | i==2 | i==6
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b=find(no_hammer==i); % if i==1 | i==2 | i==6
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if b~=0
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[psd_v,integ_v,psd_d,integ_d]=integrated_psd(c,t_win,t_ovlp,nyqhp,dts);
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[frz_cut,crsp,pwsp,coherz,nsp]=fqresp(c,shock_ch,t_win,t_ovlp,nyqhp,dts);
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else
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else
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thresh=0.5; % threshold of max value
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sep=2.5; % separation minimum of peaks in sec
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pre_ev=2; % pre event delay in sec
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pos_ev=2; % post event delay in sec
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[ti,t_impact]=findpeaks(c(:,shock_ch),'minpeakheight',max(c(:,shock_ch))*thresh,'minpeakdistance',ceil(sep/dts));
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% find times at which there are impacts (threshold of max and separated by sep sec)
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psd_v=zeros((pre_ev+pos_ev)/dts/nyqhp,nbch);
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psd_d=zeros((pre_ev+pos_ev)/dts/nyqhp,nbch);
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frz_cut=zeros((pre_ev+pos_ev)/dts/nyqhp,nbch);
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for k=1:length(t_impact)
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ibeg=fix(t_impact(k)-(pre_ev/dts));
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iend=fix(t_impact(k)+(pos_ev/dts));
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freq_s=linspace(0,freq_max,t_win/2*freq_max);
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if ibeg>1 && iend<length(c) % eliminate indexes outside data range
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if ibeg>1 && iend<length(c) % eliminate indexes outside data range
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[psd,integ_v,psd_int,integ_d]=integrated_psd(c(ibeg:iend,:),t_win,t_ovlp,nyqhp,dts);
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psd_v=psd+psd_v;
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psd_d=psd_int+psd_d;
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[frz,crsp,pwsp,coherz,nsp]=fqresp(c(ibeg:iend,:),shock_ch,t_win,t_ovlp,nyqhp,dts);
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frz_cut=frz+frz_cut;
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end
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end
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psd_v=psd_v/length(t_impact);
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psd_d=psd_d/length(t_impact);
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frz_cut=frz_cut/length(t_impact);
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end
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drms=max(integ_d); % compute rms level
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dc=hpfint(c,f_cut,dts); % filter and integrate in time domain
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dppc=hpdpp(dc,t_win,t_ovlp,1,dts); % compute peak to peak level
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%% transfer function, cross spectrum, power spectr. and coherence w.r.t. ch1
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eval(['c',num2str(i),'=c;'])
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eval(['dc',num2str(i),'=dc;'])
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eval(['dppc',num2str(i),'=dppc;'])
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@@ -193,8 +193,8 @@ for i=capt
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% eval(['frx',num2str(i),'=frx;'])
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eval(['coherz',num2str(i),'=coherz;'])
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eval(['time',num2str(i),'=time;'])
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clear data c dc psd psd_v psd_d time c_shut % clean up the mess
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end
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@@ -1,3 +1,3 @@
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contient les mesures des r<>ponses avec marteau d'impact. Les fichiers xxx_raw sont sans traitement dans le domaine temporel (environ 10 impacts par fichier). Les fonctions de transfert avec phase sont dans le m<>me r<>pertoire avec des noms explicites (manquent les coh<6F>rences que je n'ai pas sorties)
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Ces donn<6E>es ne me semblent pas de super qualit<69> en basse fr<66>quence, avec le Ty libre le mode <20> 5Hz est tr<74>s amorti.
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Ces donn<6E>es ne me semblent pas de super qualit<69> en basse fr<66>quence, avec le Ty libre le mode <20> 5Hz est tr<74>s amorti.
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@@ -1,27 +1,5 @@
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#+TITLE: Measurements
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:drawer:
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#+STARTUP: overview
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#+HTML_HEAD: <link rel="stylesheet" type="text/css" href="../css/htmlize.css"/>
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#+HTML_HEAD: <link rel="stylesheet" type="text/css" href="../css/readtheorg.css"/>
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#+HTML_HEAD: <script src="../js/jquery.min.js"></script>
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#+HTML_HEAD: <script src="../js/bootstrap.min.js"></script>
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#+HTML_HEAD: <script src="../js/jquery.stickytableheaders.min.js"></script>
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#+HTML_HEAD: <script src="../js/readtheorg.js"></script>
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#+LATEX_CLASS: cleanreport
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#+LaTeX_CLASS_OPTIONS: [tocnp, secbreak, minted]
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#+PROPERTY: header-args:matlab :session *MATLAB*
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#+PROPERTY: header-args:matlab+ :comments org
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#+PROPERTY: header-args:matlab+ :exports both
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#+PROPERTY: header-args:matlab+ :eval no-export
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#+PROPERTY: header-args:matlab+ :noweb yes
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#+PROPERTY: header-args:matlab+ :mkdirp yes
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#+PROPERTY: header-args:matlab+ :output-dir figs
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:end:
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[[../index.org][Back to main page]].
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#+SETUPFILE: ../config.org
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* Experimental conditions
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- Measurement made in the experiment hutch
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@@ -87,7 +65,11 @@ Les fichiers xxx_raw sont sans traitement dans le domaine temporel (environ 10 i
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* Data Analysis
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** Loading of the data
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#+begin_src matlab :exports none :results silent :noweb yes :var current_dir=(file-name-directory buffer-file-name)
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#+begin_src matlab :tangle no :exports none :results silent :noweb yes :var current_dir=(file-name-directory buffer-file-name)
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<<matlab-dir>>
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#+end_src
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#+begin_src matlab :exports none :results silent :noweb yes
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<<matlab-init>>
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#+end_src
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