Add measurements: LPF, noise induced by all the stages

slip-ring-test/readme.org

@@ -68,3 +68,9 @@ Second column: DC
 
 - meas14: col-1 = amp1+AC. col-2 = amp2+DC.
 - meas15: col-1 = amp1+DC. col-2 = amp2+AC.
+
+* Measurement of the LPF
+We are measuring the signal from from Geophone with a BNC T
+On part goes to column 1 through the LPF
+The other part goes to column 2 without the LPF
+- meas18

slip-ring-test/run_test.m

@@ -40,7 +40,7 @@ close(f);
 data = SimulinkRealTime.utils.getFileScopeData('data/data_001.dat').data;
 
 %%
-n = 17;
+n = 18;
 
 while isfile(['mat/data_', num2str(n, '%03d'), '.mat'])
      disp('File exists.');