TY JOUR TI Microwave Radar Sensing of Sea Waves: An Effective Reflection Coefficient KW microwaves KW small incidence angles KW Fresnel coefficient KW effective reflection coefficient JO Russian Journal of Earth Sciences AU Karaev, V.Y. AU Panfilova, M.A. AU Titchenko, Y.A. AU Meshkov, E.M. AU Kovaldov, D.A. AU Xiuzhong, L.. AU Yijun, H.. PY 2023 IS 23 PB Geophysical Center of the Russian Academy of Sciences