Robust transmit nulling in phased array antennas. - Peter G. Vouras; Jean de Graaf (ACSCC, 2011)

Polyphase-coded FM (PCFM) radar waveforms, part I: implementation. - Shannon D. Blunt; Matthew T. Cook; John Jakabosky; Jean de Graaf; Erik S. Perrins (IEEE Trans. Aerosp. Electron. Syst., 2014)