Active Surface Compensation for Large Radio Telescope Antennas

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ijap/volume-2018/3903412/figures/3903412.fig.005a.svgz" name="3903412.fig.005a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Physical photo</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ijap/volume-2018/3903412/figures/3903412.fig.005b.svgz" name="3903412.fig.005b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Mechanical configuration</td></tr></table>

<div>GBT actuator [<a href="/journals/ijap/2018/3903412/#B63">63</a>].</div>

International Journal of Antennas and Propagation

fig5

Figure 5

Figure 5: Active Surface Compensation for Large Radio Telescope Antennas 