Phase Characteristics and Angle Deception of Frequency-Diversity-Array-Transmitted Signals Based on Time Index within Pulse

Zhou, Changlin; Wang, Chunyang; Gong, Jian; Tan, Ming; Bao, Lei; Liu, Mingjie

doi:10.3390/rs15215171

Open AccessArticle

Phase Characteristics and Angle Deception of Frequency-Diversity-Array-Transmitted Signals Based on Time Index within Pulse

by

Changlin Zhou

¹,

Chunyang Wang

¹,

Jian Gong

^1,*,

Ming Tan

²,

Lei Bao

³ and

Mingjie Liu

¹

Air and Missile Defense College, Air Force Engineering University, Xi’an 710051, China

²

College of Information and Communication, National University of Defense Technology, Wuhan 430010, China

³

Test and Training Base, National University of Defense Technology, Xi’an 710106, China

^*

Author to whom correspondence should be addressed.

Remote Sens. 2023, 15(21), 5171; https://doi.org/10.3390/rs15215171

Submission received: 6 September 2023 / Revised: 16 October 2023 / Accepted: 17 October 2023 / Published: 30 October 2023

(This article belongs to the Special Issue Theory and Applications of MIMO Radar)

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Abstract

The transmitted beam of frequency diversity array (FDA) has the range–angle–time coupling property, which has essential applicative potential in angle deception and active anti-jamming. In this paper, the concept of time index within pulse is introduced. Firstly, the phase characteristics of FDA-transmitted signals based on the time index within pulse concept are studied. Then, the deceptive angle performance of FDA-transmitted signals is discussed. The theoretical analysis and simulation results show that the phase characteristics of the FDA signal are not related to the range, but to the time index within pulse. With the phase center as the reference point, the phase is equal as long as the time index within the pulse is the same. Angle deception and active anti-jamming can be achieved using the optimized frequency increment of each FDA.

Keywords: frequency diversity array (FDA); time index within pulse; phase center; angle deception; active anti-jamming

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MDPI and ACS Style

Zhou, C.; Wang, C.; Gong, J.; Tan, M.; Bao, L.; Liu, M. Phase Characteristics and Angle Deception of Frequency-Diversity-Array-Transmitted Signals Based on Time Index within Pulse. Remote Sens. 2023, 15, 5171. https://doi.org/10.3390/rs15215171

AMA Style

Zhou C, Wang C, Gong J, Tan M, Bao L, Liu M. Phase Characteristics and Angle Deception of Frequency-Diversity-Array-Transmitted Signals Based on Time Index within Pulse. Remote Sensing. 2023; 15(21):5171. https://doi.org/10.3390/rs15215171

Chicago/Turabian Style

Zhou, Changlin, Chunyang Wang, Jian Gong, Ming Tan, Lei Bao, and Mingjie Liu. 2023. "Phase Characteristics and Angle Deception of Frequency-Diversity-Array-Transmitted Signals Based on Time Index within Pulse" Remote Sensing 15, no. 21: 5171. https://doi.org/10.3390/rs15215171

APA Style

Zhou, C., Wang, C., Gong, J., Tan, M., Bao, L., & Liu, M. (2023). Phase Characteristics and Angle Deception of Frequency-Diversity-Array-Transmitted Signals Based on Time Index within Pulse. Remote Sensing, 15(21), 5171. https://doi.org/10.3390/rs15215171

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Phase Characteristics and Angle Deception of Frequency-Diversity-Array-Transmitted Signals Based on Time Index within Pulse

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