2019/03/01 by Yang, Yan, Kou, Kit Ian, Zou, Cuiming
#42B10 #94A12 #Classical Analysis and ODEs (math.CA) #FOS: Mathematics
paper · doi:10.48550/arxiv.1903.00193
In this paper, the uncertainty principle of discrete signals associated with Quaternion Fourier transform is investigated. It suggests how sparsity helps in the recovery of missing frequency.