www.microwavejournal.com/articles/2874-a-low-cost-high-accuracy-radar-altimeter
A Low Cost, High Accuracy Radar Altimeter
Development of a frequency modulated radar altimeter to be used for flying object height measurement
February 1, 2000
Technical Feature
A Low Cost, High Accuracy Radar Altimeter
Giorgos E. Stratakos, Paul Bougas and Kostas Gotsis
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