Detection accuracy of target accelerations based on vortex electromagnetic wave in keyhole space

doi:10.1088/1674-1056/ad071a

中国物理B ›› 2024, Vol. 33 ›› Issue (2): 20603-020603.doi: 10.1088/1674-1056/ad071a

Detection accuracy of target accelerations based on vortex electromagnetic wave in keyhole space

Kai Guo(郭凯)^†, Shuang Lei(雷爽), Yi Lei(雷艺), Hong-Ping Zhou(周红平), and Zhong-Yi Guo(郭忠义)

School of Computer and Information, Hefei University of Technology, Hefei 230009, China

收稿日期:2023-09-14 修回日期:2023-10-20 接受日期:2023-10-26 出版日期:2024-01-16 发布日期:2024-01-19
通讯作者: Kai Guo E-mail:kai.guo@hfut.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11804073 and 61775050).

Detection accuracy of target accelerations based on vortex electromagnetic wave in keyhole space

Kai Guo(郭凯)^†, Shuang Lei(雷爽), Yi Lei(雷艺), Hong-Ping Zhou(周红平), and Zhong-Yi Guo(郭忠义)

School of Computer and Information, Hefei University of Technology, Hefei 230009, China

Received:2023-09-14 Revised:2023-10-20 Accepted:2023-10-26 Online:2024-01-16 Published:2024-01-19
Contact: Kai Guo E-mail:kai.guo@hfut.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11804073 and 61775050).

摘要/Abstract

摘要： The influence of the longitudinal acceleration and the angular acceleration of detecting target based on vortex electromagnetic waves in keyhole space are analyzed. The spectrum spreads of different orbital angular momentum (OAM) modes in different non-line-of-sight situations are simulated. The errors of target accelerations in detection are calculated and compared based on the OAM spectra spreading by using two combinations of composite OAM modes in the keyhole space. According to the research, the effects about spectrum spreads of higher OAM modes are more obvious. The error in detection is mainly affected by OAM spectrum spreading, which can be reduced by reasonably using different combinations of OAM modes in different practical situations. The above results provide a reference idea for investigating keyhole effect when vortex electromagnetic wave is used to detect accelerations.

关键词: vortex electromagnetic waves, detect accelerations, keyhole space, spectrum spread

Abstract: The influence of the longitudinal acceleration and the angular acceleration of detecting target based on vortex electromagnetic waves in keyhole space are analyzed. The spectrum spreads of different orbital angular momentum (OAM) modes in different non-line-of-sight situations are simulated. The errors of target accelerations in detection are calculated and compared based on the OAM spectra spreading by using two combinations of composite OAM modes in the keyhole space. According to the research, the effects about spectrum spreads of higher OAM modes are more obvious. The error in detection is mainly affected by OAM spectrum spreading, which can be reduced by reasonably using different combinations of OAM modes in different practical situations. The above results provide a reference idea for investigating keyhole effect when vortex electromagnetic wave is used to detect accelerations.

Key words: vortex electromagnetic waves, detect accelerations, keyhole space, spectrum spread

中图分类号: (Velocity, acceleration, and rotation)

06.30.Gv

41.20.Jb (Electromagnetic wave propagation; radiowave propagation)

Kai Guo(郭凯), Shuang Lei(雷爽), Yi Lei(雷艺), Hong-Ping Zhou(周红平), and Zhong-Yi Guo(郭忠义). Detection accuracy of target accelerations based on vortex electromagnetic wave in keyhole space[J]. 中国物理B, 2024, 33(2): 20603-020603.

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Detection accuracy of target accelerations based on vortex electromagnetic wave in keyhole space

Detection accuracy of target accelerations based on vortex electromagnetic wave in keyhole space

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