16 June 2015
Space.com is reporting about a study by Xiaotian Gao and Binhao Jiang from Harbin Institute of Technology. The two experts suggest an innovative approach to avoid communication blackout during spacecraft re-entry.
The basic idea is to use resonance for amplifying radio signals so that they become strong enough to propagate through the surrounding plasma.
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Link to the article "A matching approach to communicate through the plasma sheath surrounding a hypersonic vehicle" in Journal of Applied Physics no 117...