Ronaldo S. Ferreira, Marco A. M. Marinho, Kefei Liu, João Paulo C. Lustosa da Costa, Arthur V. Amaral, Hing-Cheung So. Improved landing radio altimeter for unmanned aerial vehicles based on an antenna array. In 4th International Congress on Ultra Modern Telecommunications and Control Systems, ICUMT 2012, St. Petersburg, Russia, October 3-5, 2012. pages 105-113, IEEE, 2012. [doi]
Abstract is missing.