Reworked the ground motion page

huddle-test-geophones/index.html

@@ -509,7 +509,7 @@ We further divide the result by the sensibility of the Geophone to obtain the AS
 </p>
 
 <div class="org-src-container">
-<pre class="src src-matlab">scaling = <span class="org-highlight-numbers-number">1</span><span class="org-type">./</span>squeeze<span class="org-rainbow-delimiters-depth-1">(</span>abs<span class="org-rainbow-delimiters-depth-2">(</span>freqresp<span class="org-rainbow-delimiters-depth-3">(</span>G0<span class="org-type">*</span>S, f, <span class="org-string">'Hz'</span><span class="org-rainbow-delimiters-depth-3">)</span><span class="org-rainbow-delimiters-depth-2">)</span><span class="org-rainbow-delimiters-depth-1">)</span>;
+[Omitted long matching line]
 </pre>
 </div>
 </div>

huddle-test-geophones/index.org

@@ -177,7 +177,7 @@ We also take into account the gain of the electronics which is here set to be $6
 #+begin_src matlab :results none
   G0_db = 60; % [dB]
 
-  G0 = 10^(60/G0_db); % [abs]
+  G0 = 10^(G0_db/20); % [abs]
 #+end_src
 
 We divide the ASD measured (in $\text{V}/\sqrt{\text{Hz}}$) by the gain of the voltage amplifier to obtain the ASD of the voltage across the geophone.

huddle-test-geophones/matlab/huddle_test_signal_processing.m

@@ -104,7 +104,7 @@ ylabel('Amplitude $\left[\frac{V}{m/s}\right]$')
 
 G0_db = 60; % [dB]
 
-G0 = 10^(60/G0_db); % [abs]
+G0 = 10^(G0_db/20); % [abs]