The Soil Moisture Active Passive satellite that NASA launched in January carries a six-meter-diameter mesh reflector that is the first large, deployable structure to rotate at a high rate relative to a de-spun spacecraft. SMAP continues to provide the first three-day revisit global maps of the Earth's hydrosphere state via its passive radiometer instrument, but its active radar stopped transmitting in July for reasons related to its power supply that are still being investigated. Here, Davis details several technology developments that focuses on deployable antennas for cubesats.
Mapping Earth and imaging exoplanets
Aerospace America ; 53 , 11
2015
Aufsatz (Zeitschrift)
Englisch
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