Antennas for deep space applications comprise a wide variety of types and frequency bands. Applications include telecommunications, radiometers, scatterometers, altimeters, and radars. Antenna types range from simple dipoles to complex, multi‐frequency, and multi‐application assemblies such as the Cassini reflector antenna. Communications between deep space and Earth require highly efficient antennas with specified gains and beamwidths. Spacecraft typically carry multiple antennas of various gains for different phases and operating scenarios of the mission. This chapter examines two NASA missions, launched in 2011, as case studies. The first, Mars Science Laboratory (MSL), is a rover mission that employs several X‐band and UHF telecommunications antennas, along with a Ka‐band landing radar antenna. The second case study is Juno, which features X‐band and Ka‐band telecommunications antennas and five antennas with operating frequencies ranging from 600MHz to 22GHz that are part of the Microwave Radiometer instrument. radar antennas; radiometers; telecommunications; UHF antennas
Antennas for Deep Space Applications
Space Antenna Handbook ; 664-694
25.05.2012
31 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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