Phase Cancellation for Synthesizing Range Profiles of a Moving Target via Stepped Frequency Signal

Chen Hang-yong; Liu Yong-xiang; Li Xiang; Guo Gui-rong

doi:10.3724/SP.J.1146.2005.01139

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Chen Hang-yong, Liu Yong-xiang, Li Xiang, Guo Gui-rong. Phase Cancellation for Synthesizing Range Profiles of a Moving Target via Stepped Frequency Signal[J]. Journal of Electronics & Information Technology, 2007, 29(4): 815-818. doi: 10.3724/SP.J.1146.2005.01139

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Phase Cancellation for Synthesizing Range Profiles of a Moving Target via Stepped Frequency Signal

doi: 10.3724/SP.J.1146.2005.01139

Received Date: 2005-09-09
Rev Recd Date: 2006-03-20
Publish Date: 2007-04-19

Abstract

Abstract

In this paper, a new method is explored for synthesizing range profile of a moving target via stepped frequency signal. The principle of synthesizing range profile of an extended target is investigated for stepped frequency signal. The distortion of synthetic range profiles is discussed with the theory of Discrete Fourier Transform (DFT). Based on phase cancellation, a new technology is proposed to achieve range profile with out distortion for a moving target. The new technology does not need the estimation of the velocity. The result of emulation proves the effect of the method.

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