A radar image of the moon generated from ... The team amplified the signal to 350 Watts, and then used the radio telescope’s 25 Meter dish to direct the transmission toward the moon.
Publications of the Astronomical Society of the Pacific, Vol. 127, No. 957 (November 2015), pp. 1131-1143 (13 pages) AbstractWe present a multifrequency far-field beam map for the 5-m dish telescope ...
The dish needed to be aimed precisely ... He said an active radar would surpass the usefulness of telescopes used to monitor satellites, which could be affected by the weather.
一些您可能无法访问的结果已被隐去。
显示无法访问的结果