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公开(公告)号：US10527721B2
公开(公告)日：2020-01-07
申请号：US16438465
申请日：2019-06-12
Applicant: Tsinghua University
Inventor： Xiao-Ping Zheng , Zhan Ou , Xiao-Jiao Deng
Abstract: The disclosure relates to a method and a system for terahertz ISAR imaging. In the method, a chirp signal is transmitted to an imaging target moving at a preset speed and a terahertz ISAR echo signal is received. The terahertz ISAR echo signal is matched filtered in a fast time domain, baseband transformed in a slow time domain, corrected to eliminate a time domain zero offset, baseband transformed, discretized, interpolated, and two-dimensional inverse Fourier transformed to obtain a two-dimensional image of the imaging target.
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