• Wideband object identification with rectangular wave chirp excitationPaavle, Toivo; Min, Mart; Annus, Paul; Birjukov, Andrei; Land, Raul; Parve, ToomasECCTD'09 : European Conference on Circuit Theory and Design 2009 : Antalya, Turkey, August 23-27, 20092009 / p. 421-424 https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=5275007