Justification of signal processing methods in a small-sized two-channel doppler measurement system for aircraft ground speed and drift angle Ryazantsev L.B., Sanvald Yu.V., Babich O.A., Ryazantsev D.L. Aerospace Forces. Theory and Practice. No. 38 (June 2026). P. 235. , 2026 If the PDF does not display, download it.