Active Surface Compensation for Large Radio Telescope Antennas

<div class="floats-full-page floats-full-page-other"><h2>Table 5</h2><div class="floats-full-page-caption"><div>Design parameters of GBT actuators.</div></div><div class="floats-full-page-content"><table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr /></td></tr><tr><td class="align_left">Stroke</td><td class="align_center">51 cm</td></tr><tr><td class="align_left">Positioning accuracy</td><td class="align_center">25 <i>μ</i>m</td></tr><tr><td class="align_left">Speed</td><td class="align_center">250 <i>μ</i>m/s</td></tr><tr><td class="align_left">Static load</td><td class="align_center">481 kg</td></tr><tr><td class="align_left">Dynamic load</td><td class="align_center">186 kg</td></tr><tr><td class="align_left">Service life</td><td class="align_center">20 years, 1270 meters per year</td></tr><tr><td class="align_left">Type of motor</td><td class="align_center">DC brush motor</td></tr><tr><td class="align_left">Position sensor</td><td class="align_center">Linear variable differential transformer (LVDT)</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr" /></td></tr></table></td></tr></table></div></div>

Table 5 | Active Surface Compensation for Large Radio Telescope Antennas

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Table 5: Active Surface Compensation for Large Radio Telescope Antennas

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Table 5

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<p><em>International Journal of Antennas and Propagation </em>publishes research on the design, analysis, and applications of antennas, along with studies related to the propagation of electromagnetic waves through space, air, and other media.</p>


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<p>Chief Editor, Professor Koziel, engages in research focused on surrogate-based modeling and optimization including space mapping technology for engineering design at Reykjavik University.</p>


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