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index.html
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index.html
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
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<head>
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<!-- 2019-05-14 mar. 23:02 -->
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<!-- 2019-05-14 mar. 23:06 -->
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<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<title>Measurement of the ID31 Micro-Station</title>
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@@ -254,33 +254,9 @@ for the JavaScript code in this tag.
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<h2>Table of Contents</h2>
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<div id="text-table-of-contents">
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<ul>
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<li><a href="#org3dd37ca">1. Measurements of the dynamics of the station</a>
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<ul>
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<li><a href="#orgc6a04a7">1.1. Measurement 1</a>
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<ul>
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<li><a href="#org3d7d31e">1.1.1. Notes</a></li>
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<li><a href="#org6f222a5">1.1.2. Goal</a></li>
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<li><a href="#org66caa3c">1.1.3. Results</a></li>
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</ul>
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</li>
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<li><a href="#orga240707">1.2. Measurement 2</a>
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<ul>
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<li><a href="#org6750c68">1.2.1. Notes</a></li>
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<li><a href="#org514680e">1.2.2. Goal</a></li>
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<li><a href="#orga1029fa">1.2.3. Results</a></li>
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</ul>
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</li>
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<li><a href="#org0266a1b">1.3. <span class="todo TODO">TODO</span> Measurement 3</a>
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<ul>
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<li><a href="#org3a059d2">1.3.1. Notes</a></li>
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<li><a href="#org8fec9e8">1.3.2. Goal</a></li>
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<li><a href="#org638b982">1.3.3. Results</a></li>
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</ul>
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</li>
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</ul>
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</li>
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<li><a href="#orge16cbdc">2. Measurements of perturbations</a></li>
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<li><a href="#org7e1127d">3. Other</a></li>
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<li><a href="#orgee0a061">1. Measurements of the dynamics of the station</a></li>
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<li><a href="#org439949d">2. Measurements of perturbations</a></li>
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<li><a href="#org77887a7">3. Other</a></li>
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</ul>
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</div>
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</div>
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This web-page gathers all the measurements done on the ID31 Micro Station.
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</p>
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<div id="outline-container-org3dd37ca" class="outline-2">
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<h2 id="org3dd37ca"><span class="section-number-2">1</span> Measurements of the dynamics of the station</h2>
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<div id="outline-container-orgee0a061" class="outline-2">
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<h2 id="orgee0a061"><span class="section-number-2">1</span> Measurements of the dynamics of the station</h2>
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<div class="outline-text-2" id="text-1">
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<ul class="org-ul">
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<li><a href="dynamical-meas-granite/index.html">Dynamics from floor motion to marble motion</a></li>
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</ul>
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</div>
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<div id="outline-container-orgc6a04a7" class="outline-3">
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<h3 id="orgc6a04a7"><span class="section-number-3">1.1</span> Measurement 1</h3>
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<div class="outline-text-3" id="text-1-1">
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<p>
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<a href="2017-11-17 - Marc/index.html">Link to the analysis</a>
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</p>
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</div>
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<div id="outline-container-org3d7d31e" class="outline-4">
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<h4 id="org3d7d31e"><span class="section-number-4">1.1.1</span> Notes</h4>
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<div class="outline-text-4" id="text-1-1-1">
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<table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
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<colgroup>
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<col class="org-left" />
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<col class="org-left" />
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</colgroup>
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<tbody>
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<tr>
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<td class="org-left"><b>Date</b></td>
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<td class="org-left">2017-11-17</td>
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</tr>
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<tr>
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<td class="org-left"><b>Sensors</b></td>
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<td class="org-left">Accelerometers</td>
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</tr>
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<tr>
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<td class="org-left"><b>Excitation</b></td>
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<td class="org-left">Instrumented Hammer</td>
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</tr>
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<tr>
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<td class="org-left"><b>Location</b></td>
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<td class="org-left">Laboratory</td>
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</tr>
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</tbody>
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</table>
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<p>
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Dynamics of the station is evaluated using instrumented hammer and accelerometers fixed on each stage.
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</p>
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</div>
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</div>
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<div id="outline-container-org6f222a5" class="outline-4">
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<h4 id="org6f222a5"><span class="section-number-4">1.1.2</span> Goal</h4>
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<div class="outline-text-4" id="text-1-1-2">
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<ul class="org-ul">
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<li>Obtain a first estimation of resonance frequencies</li>
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<li><a href="2017-11-17 - Marc/index.html">Measurement of the dynamics of the station using intrumented hammer and accelerometers</a></li>
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<li><a href="2018-01-12 - Marc/index.html">Measurement of the dynamics of the station using intrumented hammer and geophones</a></li>
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<li><a href="2018-10-12 - Marc/index.html">Measurement of the dyanamics - Micro station glued on ID31</a></li>
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</ul>
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</div>
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</div>
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<div id="outline-container-org66caa3c" class="outline-4">
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<h4 id="org66caa3c"><span class="section-number-4">1.1.3</span> Results</h4>
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<div class="outline-text-4" id="text-1-1-3">
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<div class="important">
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<ul class="org-ul">
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<li>Resonances have been identified at 45Hz and 75Hz</li>
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<li>However, the quality of the measurements are bad at low frequency</li>
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<li>New measurements should be done with Geophones</li>
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</ul>
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</div>
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</div>
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</div>
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</div>
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<div id="outline-container-orga240707" class="outline-3">
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<h3 id="orga240707"><span class="section-number-3">1.2</span> Measurement 2</h3>
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<div class="outline-text-3" id="text-1-2">
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<p>
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<a href="2018-01-12 - Marc/index.html">Link to the analysis</a>
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</p>
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</div>
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<div id="outline-container-org6750c68" class="outline-4">
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<h4 id="org6750c68"><span class="section-number-4">1.2.1</span> Notes</h4>
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<div class="outline-text-4" id="text-1-2-1">
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<table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
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<colgroup>
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<col class="org-left" />
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<col class="org-left" />
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</colgroup>
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<tbody>
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<tr>
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<td class="org-left"><b>Date</b></td>
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<td class="org-left">2018-01-12</td>
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</tr>
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<tr>
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<td class="org-left"><b>Sensors</b></td>
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<td class="org-left">Geophones</td>
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</tr>
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<tr>
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<td class="org-left"><b>Excitation</b></td>
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<td class="org-left">Instrumented Hammer</td>
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</tr>
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<tr>
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<td class="org-left"><b>Location</b></td>
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<td class="org-left">Laboratory</td>
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</tr>
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<tr>
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<td class="org-left"><b>Notes</b></td>
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<td class="org-left">Unglued Granite</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div id="outline-container-org514680e" class="outline-4">
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<h4 id="org514680e"><span class="section-number-4">1.2.2</span> Goal</h4>
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<div class="outline-text-4" id="text-1-2-2">
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<p>
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Obtain better coherence at low frequency.
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</p>
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</div>
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</div>
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<div id="outline-container-orga1029fa" class="outline-4">
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<h4 id="orga1029fa"><span class="section-number-4">1.2.3</span> Results</h4>
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<div class="outline-text-4" id="text-1-2-3">
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<div class="important">
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<ul class="org-ul">
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<li>Resonances at 42Hz, 70Hz and 125Hz have been identified</li>
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<li>The coherence is much better than when using accelerometers</li>
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</ul>
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</div>
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</div>
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</div>
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</div>
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<div id="outline-container-org0266a1b" class="outline-3">
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<h3 id="org0266a1b"><span class="section-number-3">1.3</span> <span class="todo TODO">TODO</span> Measurement 3</h3>
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<div class="outline-text-3" id="text-1-3">
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<p>
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<a href="2018-10-12 - Marc/index.html">Link to the analysis</a>
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</p>
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</div>
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<div id="outline-container-org3a059d2" class="outline-4">
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<h4 id="org3a059d2"><span class="section-number-4">1.3.1</span> Notes</h4>
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<div class="outline-text-4" id="text-1-3-1">
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<table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
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<colgroup>
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<col class="org-left" />
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<col class="org-left" />
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</colgroup>
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<tbody>
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<tr>
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<td class="org-left"><b>Date</b></td>
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<td class="org-left">2018-10-12</td>
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</tr>
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<tr>
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<td class="org-left"><b>Sensors</b></td>
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<td class="org-left">Geophones</td>
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</tr>
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<tr>
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<td class="org-left"><b>Excitation</b></td>
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<td class="org-left">Instrumented Hammer</td>
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</tr>
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<tr>
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<td class="org-left"><b>Location</b></td>
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<td class="org-left">Experimental Hutch</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div id="outline-container-org8fec9e8" class="outline-4">
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<h4 id="org8fec9e8"><span class="section-number-4">1.3.2</span> Goal</h4>
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<div class="outline-text-4" id="text-1-3-2">
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<p>
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The station is now installed on the experimental hutch with a glued granite (final location).
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The station is identified again.
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</p>
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</div>
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</div>
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<div id="outline-container-org638b982" class="outline-4">
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<h4 id="org638b982"><span class="section-number-4">1.3.3</span> Results</h4>
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<div class="outline-text-4" id="text-1-3-3">
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<div class="important">
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<p>
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</p>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div id="outline-container-orge16cbdc" class="outline-2">
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<h2 id="orge16cbdc"><span class="section-number-2">2</span> Measurements of perturbations</h2>
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<div id="outline-container-org439949d" class="outline-2">
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<h2 id="org439949d"><span class="section-number-2">2</span> Measurements of perturbations</h2>
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<div class="outline-text-2" id="text-2">
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<ul class="org-ul">
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<li><a href="disturbance-sr-rz/index.html">Measurement of the vibrations induced by the rotation of the slip-ring and spindle</a></li>
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<li><a href="disturbance-ty-sr/index.html">Measurement of the vibrations induced by the simultaneous rotation of the slip-ring and scan of the translation stage</a></li>
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<li><a href="disturbance-measurement/index.html">Disturbance Measurement - Spindle</a> TODO</li>
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<li><a href="disturbance-measurement/index.html">Disturbance Measurement - Spindle</a></li>
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<li><a href="slip-ring-electrical-noise/index.html">Measurement of the electrical noise induced by the slip-ring</a></li>
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<li><a href="ground-motion/index.html">Ground motion measurements</a></li>
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<li><a href="static-to-dynamic/index.html">Static guiding errors - Ty</a></li>
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@@ -527,8 +295,8 @@ The station is identified again.
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</div>
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</div>
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<div id="outline-container-org7e1127d" class="outline-2">
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<h2 id="org7e1127d"><span class="section-number-2">3</span> Other</h2>
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<div id="outline-container-org77887a7" class="outline-2">
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<h2 id="org77887a7"><span class="section-number-2">3</span> Other</h2>
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<div class="outline-text-2" id="text-3">
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<ul class="org-ul">
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<li><a href="huddle-test-geophones/index.html">Huddle Test - Geophones</a></li>
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@@ -544,7 +312,7 @@ The station is identified again.
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</div>
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<div id="postamble" class="status">
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<p class="author">Author: Thomas Dehaeze</p>
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<p class="date">Created: 2019-05-14 mar. 23:02</p>
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<p class="date">Created: 2019-05-14 mar. 23:06</p>
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<p class="validation"><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
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</div>
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</body>
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