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Remote Sensing
Volume 14
Issue 9
10.3390/rs14091984
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Article

Synchronization of Monostatic Radar Using a Time-Delayed Chaos-Based FM Waveform

by
Mariam H. Abd
1,
Ghaida A. Al-Suhail
2,
Fadhil R. Tahir
3,
Ahmed M. Ali Ali
4,
Hamza A. Abbood
5,
Kia Dashtipour
6,
Sajjad Shaukat Jamal
7 and
Jawad Ahmad
6,*
1
Department of Engineering Works, Infrastructure Directorate, Al Nasiriya 64001, Iraq
2
Department of Computer Engineering, College of Engineering, University of Basrah, Basrah 61001, Iraq
3
Department of Electrical Engineering, College of Engineering, University of Basrah, Basrah 61001, Iraq
4
Department of Electronics Techniques, Babylon Technical Institute, Al-Furat Al-Awsat Technical University, Babylon 51001, Iraq
5
Production Department, Petro China International Iraq, FZE Iraq Branch, Maysan 62008, Iraq
6
School of Computing, Edinburgh Napier University, Edinburgh EH10 5DT, UK
7
Department of Maathematics, College of Science, King Khalid University, Abha 61413, Saudi Arabia
*
Author to whom correspondence should be addressed.
Remote Sens. 2022, 14(9), 1984; https://doi.org/10.3390/rs14091984
Submission received: 24 February 2022 / Revised: 8 April 2022 / Accepted: 15 April 2022 / Published: 20 April 2022
(This article belongs to the Special Issue Advances in Joint Radar-Communication Systems, Multi-Carrier Radars, Passive Radar Networks, and Waveform Design)
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Abstract

There is no doubt that chaotic systems are still attractive issues in various radar applications and communication systems. In this paper, we present a new 0.3 GHz mono-static microwave chaotic radar. It includes a chaotic system based on a time-delay to generate and process frequency modulated (FM) waveforms. Such a radar is designed to extract high-resolution information from the targets. To generate a continuous FM signal, the chaotic signal is first modulated using the voltage control oscillator (VCO). Next, the correct value for the loop gain (G) is carefully set when utilizing the Phase-Locked Loop (PLL) at the receiver, so that the instantaneous frequency that reflects a chaotic state variable can be reliably recovered. In this system, the PLL synchronization and radar correlation are enough to recover the echo signal and detect the target. The finding indicates that the system can be implemented with no need to use the complete self-synchronization or complex projective synchronization schemes as compared to the existing chaotic radar systems. The simulation results show that the short-time cross-correlation of the transmitted and reconstructed waveforms is good and satisfactory to detect the target under various signal-to-noise ratio (SNR) levels and with less complexity in the design.
Keywords: synchronization; chaotic time-delay; Phase-Locked Loop (PLL); mono-static radar; Chaotic FM Radar synchronization; chaotic time-delay; Phase-Locked Loop (PLL); mono-static radar; Chaotic FM Radar
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MDPI and ACS Style

Abd, M.H.; Al-Suhail, G.A.; Tahir, F.R.; Ali Ali, A.M.; Abbood, H.A.; Dashtipour, K.; Jamal, S.S.; Ahmad, J. Synchronization of Monostatic Radar Using a Time-Delayed Chaos-Based FM Waveform. Remote Sens. 2022, 14, 1984. https://doi.org/10.3390/rs14091984

AMA Style

Abd MH, Al-Suhail GA, Tahir FR, Ali Ali AM, Abbood HA, Dashtipour K, Jamal SS, Ahmad J. Synchronization of Monostatic Radar Using a Time-Delayed Chaos-Based FM Waveform. Remote Sensing. 2022; 14(9):1984. https://doi.org/10.3390/rs14091984

Chicago/Turabian Style

Abd, Mariam H., Ghaida A. Al-Suhail, Fadhil R. Tahir, Ahmed M. Ali Ali, Hamza A. Abbood, Kia Dashtipour, Sajjad Shaukat Jamal, and Jawad Ahmad. 2022. "Synchronization of Monostatic Radar Using a Time-Delayed Chaos-Based FM Waveform" Remote Sensing 14, no. 9: 1984. https://doi.org/10.3390/rs14091984

APA Style

Abd, M. H., Al-Suhail, G. A., Tahir, F. R., Ali Ali, A. M., Abbood, H. A., Dashtipour, K., Jamal, S. S., & Ahmad, J. (2022). Synchronization of Monostatic Radar Using a Time-Delayed Chaos-Based FM Waveform. Remote Sensing, 14(9), 1984. https://doi.org/10.3390/rs14091984

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