Interpretation of weak backscattering signals in a weakly clouded atmosphere Anatoly Bobrovsky, Natalia Dyachenko, Irina Potapova, Anna Skoblikova and Tat’yana Yakovleva E3S Web Conf., 247 (2021) 01071 Published online: 05 April 2021 DOI: 10.1051/e3sconf/202124701071