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Remote Sensing
Volume 14
Issue 18
10.3390/rs14184560
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Article

Pulse Radar Imaging Method in an Anechoic Chamber Based on an Amplitude Modulation Design

by
Ailun Xie
,
Xiaobin Liu
*,
Feng Zhao
and
Shunping Xiao
State Key Laboratory of Complex Electromagnetic Environmental Effects on Electronics and Information System, National University of Defense Technology, Changsha 410005, China
*
Author to whom correspondence should be addressed.
Remote Sens. 2022, 14(18), 4560; https://doi.org/10.3390/rs14184560
Submission received: 27 June 2022 / Revised: 1 August 2022 / Accepted: 9 September 2022 / Published: 12 September 2022
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Abstract

The application of a pulse radar in anechoic chamber imaging is a new way to obtain the electromagnetic characteristics of targets. However, the limited size of an anechoic chamber causes the coupling between the transmitted signal and echo so the target image cannot be accurately achieved. To solve this problem, an imaging method using a pulse radar in an anechoic chamber based on an amplitude modulation design is proposed in this paper. Firstly, amplitude modulation is performed to solve the coupling of the transmitted signal and echo. In order to cancel the false targets in the target image after the amplitude modulation, different amplitude modulation sequences are designed. Secondly, echo processing based on the designed amplitude modulation is discussed to obtain the target image. Simulations and experiments are conducted and the results show that the proposed amplitude design and echo processing method can accurately obtain the target image in an anechoic chamber.
Keywords: amplitude modulation design; target imaging; anechoic chamber amplitude modulation design; target imaging; anechoic chamber

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MDPI and ACS Style

Xie, A.; Liu, X.; Zhao, F.; Xiao, S. Pulse Radar Imaging Method in an Anechoic Chamber Based on an Amplitude Modulation Design. Remote Sens. 2022, 14, 4560. https://doi.org/10.3390/rs14184560

AMA Style

Xie A, Liu X, Zhao F, Xiao S. Pulse Radar Imaging Method in an Anechoic Chamber Based on an Amplitude Modulation Design. Remote Sensing. 2022; 14(18):4560. https://doi.org/10.3390/rs14184560

Chicago/Turabian Style

Xie, Ailun, Xiaobin Liu, Feng Zhao, and Shunping Xiao. 2022. "Pulse Radar Imaging Method in an Anechoic Chamber Based on an Amplitude Modulation Design" Remote Sensing 14, no. 18: 4560. https://doi.org/10.3390/rs14184560

APA Style

Xie, A., Liu, X., Zhao, F., & Xiao, S. (2022). Pulse Radar Imaging Method in an Anechoic Chamber Based on an Amplitude Modulation Design. Remote Sensing, 14(18), 4560. https://doi.org/10.3390/rs14184560

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