Power filtering of n-th order in the fractional Fourier domain related to signal differentiation and phase retrieval

Alieva Krasheninnikova, TatianaCalvo Padilla, María LuisaBastiaans, Martin J.2023-06-202023-06-2020030-8194-4596-710.1117/12.523979https://hdl.handle.net/20.500.14352/53362© COPYRIGHT SPIE--The International Society for Optical Engineering. Congress of the International-Commission-for-Optics (19º. 2002. Florencia, Italia).The main properties of n-th order power filtering in the fractional Fourier domain and its relationship to the differentiation operation are considered. The. application of power filtering for solving the phase retrieval problem is proposed.Power filtering of n-th order in the fractional Fourier domain related to signal differentiation and phase retrievalbook parthttp://dx.doi.org/10.1117/12.523979http://proceedings.spiedigitallibrary.orgmetadata only access535ConvollutionTransformÓptica (Física)2209.19 Óptica Física