, This reference has been removed because it establishes a direct connection to the authors' names [3] This reference has been removed because it establishes a direct connection to the authors' names [4] This reference has been removed because it establishes a direct connection to the authors

S. O. Piper, Receiver frequency resolution for range resolution in homodyne FMCW radar, Conference Proceedings National Telesystems Conference 1993, pp.16-17
DOI : 10.1109/NTC.1993.292991