113 lines
3.3 KiB
Org Mode
113 lines
3.3 KiB
Org Mode
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#+TITLE: Measurements made by Marc Lessourd on the 17th of November 2017 - Matlab
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:drawer:
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#+LATEX_CLASS: cleanreport
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#+LaTeX_CLASS_OPTIONS: [tocnp, secbreak, minted]
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#+STARTUP: overview
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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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* Load the data
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#+begin_src matlab :exports code :results none
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load('./raw_data/id31_microstation_2017_11_17_coh.mat',...
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'coh_hexa_x',...
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'coh_hexa_y',...
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'coh_hexa_z',...
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'coh_marble_x',...
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'coh_marble_y',...
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'coh_marble_z');
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load('./raw_data/id31_microstation_2017_11_17_frf.mat',...
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'freq_frf',...
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'frf_hexa_x',...
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'frf_hexa_y',...
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'frf_hexa_z',...
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'frf_marble_x',...
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'frf_marble_y',...
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'frf_marble_z');
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#+end_src
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Measurement is in V?
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#+begin_src matlab :results none
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accel_sensitivity = 0.102; % [V/(m/s2)]
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w = j*2*pi*freq_frf;
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frf_hexa_x = 1/accel_sensitivity*frf_hexa_x./(w.^2);
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frf_hexa_y = -1/accel_sensitivity*frf_hexa_y./(w.^2);
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frf_hexa_z = -1/accel_sensitivity*frf_hexa_z./(w.^2);
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frf_marble_x = 1/accel_sensitivity*frf_marble_x./(w.^2);
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frf_marble_y = 1/accel_sensitivity*frf_marble_y./(w.^2);
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frf_marble_z = -1/accel_sensitivity*frf_marble_z./(w.^2);
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#+end_src
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* Plots
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#+begin_src matlab :exports none :results none
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figure;
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hold on;
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plot(freq_frf, abs(frf_hexa_x(:, 2)), 'DisplayName', 'Marble - X');
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plot(freq_frf, abs(frf_hexa_x(:, 5)), 'DisplayName', 'Ty - X');
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plot(freq_frf, abs(frf_hexa_x(:, 8)), 'DisplayName', 'Ry - X');
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plot(freq_frf, abs(frf_hexa_x(:, 11)), 'DisplayName', 'Hexa - X');
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hold off;
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set(gca, 'Xscale', 'log'); set(gca, 'Yscale', 'log');
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xlim([20, 200]);
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legend('Location', 'northeast');
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#+end_src
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#+begin_src matlab :exports none :results none
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figure;
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hold on;
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plot(freq_frf, abs(frf_hexa_x(:, 2)), 'DisplayName', 'Marble - X');
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plot(freq_frf, abs(frf_hexa_x(:, 5)), 'DisplayName', 'Ty - X');
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plot(freq_frf, abs(frf_hexa_x(:, 8)), 'DisplayName', 'Ry - X');
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plot(freq_frf, abs(frf_hexa_x(:, 11)), 'DisplayName', 'Hexa - X');
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hold off;
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set(gca, 'Xscale', 'log'); set(gca, 'Yscale', 'log');
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xlim([20, 200]);
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legend('Location', 'northeast');
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#+end_src
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#+begin_src matlab :exports none :results none
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channel = 12;
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figure;
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ax1 = subaxis(3,1,1);
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plot(freq_frf, abs(frf_hexa_y(:, channel)))
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set(gca, 'Xscale', 'log'); set(gca, 'Yscale', 'log');
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ax2 = subaxis(3,1,2);
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plot(freq_frf, mod(180/pi*phase(frf_hexa_y(:, channel))+180, 360)-180)
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set(gca, 'Xscale', 'log');
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ylim([-180 180]);
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yticks([-180:90:180]);
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ax3 = subaxis(3,1,3);
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plot(freq_frf, coh_hexa_y(:, channel))
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set(gca, 'Xscale', 'log');
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linkaxes([ax1,ax2,ax3],'x');
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xlim([20, 200]);
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#+end_src
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#+begin_src matlab :exports none :results none
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figure;
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ax1 = subaxis(2,1,1);
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plot(freq_frf, abs(frf_marble_z(:, 4)))
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set(gca, 'Xscale', 'log'); set(gca, 'Yscale', 'log')
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ax2 = subaxis(2,1,2);
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plot(freq_frf, mod(180/pi*phase(frf_marble_z(:, 4))+180, 360)-180)
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linkaxes([ax1,ax2],'x');
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ylim([-180 180]);
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yticks([-180:90:180]);
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set(gca, 'Xscale', 'log')
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xlim([20, 200])
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#+end_src
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