For example, a 100 meter antenna observing at a wavelength of 21 centimeters (a frequency of 1420 MHz) has a beam width of 0.0025 radians or 0.14 degrees (about one third the angular size of the Moon) ...
The Allen Telescope Array ... antenna array, it has the advantage of being able to examine large swaths of the sky, and over a wide range of frequencies from approximately 1 – 14 GHz. Unlike other ...
This generalised title covers a wide range of both theoretical and practical topics, namely: active and non-linear quasi-optical integrated antennas and antenna arrays; high efficient ... drone ...
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