Uniqueness guarantees for phase retrieval from discrete windowed special affine Fourier transform

被引：1
|
作者：
Zhang, Qingyue [1 ]
Su, Yue [1 ]
Li, Rui [1 ]
机构：
[1] Tianjin Univ Technol, Coll Sci, Inst Operat Res & Syst Engn, Tianjin 300384, Peoples R China
来源：
OPTIK | 2021年 / 242卷
基金：
中国国家自然科学基金;
关键词：
Phase retrieval; Non-vanishing signals; PhaseLift operator; Discrete windowed special affine Fourier transform; ALGORITHM;
D O I：
10.1016/j.ijleo.2021.167295
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, we discuss the problem of phase retrieval in discrete windowed special affine Fourier transform domain, i.e., the problem of recovering a signal from the magnitudes of discrete windowed special affine Fourier transform. We first provide some appropriate conditions under which discrete windowed special affine Fourier transform allows phase retrieval. Then above conditions can be weaken for non-vanishing signals. Finally, the results of numerical simulations illustrate our theoretical analysis and provide some directions for future work.
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页数：8
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