3.3 KiB
3.3 KiB
Measurements made by Marc Lessourd on the 17th of November 2017 - Matlab
Load the data
load('./raw_data/id31_microstation_2017_11_17_coh.mat',...
'coh_hexa_x',...
'coh_hexa_y',...
'coh_hexa_z',...
'coh_marble_x',...
'coh_marble_y',...
'coh_marble_z');
load('./raw_data/id31_microstation_2017_11_17_frf.mat',...
'freq_frf',...
'frf_hexa_x',...
'frf_hexa_y',...
'frf_hexa_z',...
'frf_marble_x',...
'frf_marble_y',...
'frf_marble_z');Measurement is in V?
accel_sensitivity = 0.102; % [V/(m/s2)]
w = j*2*pi*freq_frf;
frf_hexa_x = 1/accel_sensitivity*frf_hexa_x./(w.^2);
frf_hexa_y = -1/accel_sensitivity*frf_hexa_y./(w.^2);
frf_hexa_z = -1/accel_sensitivity*frf_hexa_z./(w.^2);
frf_marble_x = 1/accel_sensitivity*frf_marble_x./(w.^2);
frf_marble_y = 1/accel_sensitivity*frf_marble_y./(w.^2);
frf_marble_z = -1/accel_sensitivity*frf_marble_z./(w.^2);