Implementation of radar cross-sections model for targets with different scattering centers

Authors

DOI:

https://doi.org/10.15587/1729-4061.2022.265089

Keywords:

radar cross-section (RCS), target scattering, point targets, measured targets’ profiles, extended targets

Abstract

Target scattering or reflection is used by radar systems to identify and detect targets. The larger the echo that was returned to the radar receiver, the superior the signal-to-noise ratio and the greater the likelihood of detection. The radar cross-section (RCS) determines the quantity of energy reflected from a target in radar systems. This work shows new modeling for radar targets with growing stages of fidelity. We introduce the RCS concept for straightforward point targets and extend this into additional complex states of targets with several scattering midpoints. In addition, we discuss the modeling of fluctuations in RCS with time and briefly consider the case of the polarized signal. Because the receiver and transmitter are co-located, the effort focuses on narrowband mono-static radar techniques. The RCS value changes between scans. We simulate the replicated power of a sent signal over 10,000 scanning over unit incident signals, assuming that the signal illuminates the target just once each dwell. The target is modeled by four scatterers that are placed at four square vertices. All scatterers are cylindrical-point targets on a 0.5-meter square XY plane without losing generality. The acquired results demonstrated how to generate target echoes while accounting for statistical fluctuations. From the relation between RCS and elevation angle variations for cylindrical targets, the obtained result demonstrated that the first two outputs are the same and confirmed that there is no reliance on azimuth angle. The comparison between wideband and narrowband RCS patterns demonstrated that the RCS profiles of the target-matched shallower nulls for azimuth direction are in the range of (40–50) degrees at zero elevation for 4 scatterers’ extended targets.

Supporting Agency

  • The authors would like to express their deepest gratitude to the University of Technology Baghdad-Iraq for their support to complete this research.

Author Biographies

Sameir Aziez, University of Technology - Iraq

Doctor of Communication Engineering

Department of Electromechanical Engineering

Ekhlas Hamza, University of Technology - Iraq

Doctor of Electric Engineering/Communications

DepartmentofControl and Systems Engineering

Fadia Hummadi, Al-Khwarizmi Collage of Engineering - University of Baghdad

Doctor ofElectric Engineering/Communications

Department of Communications

Ahmad Sabry, Al-Nahrain University

Doctor of Control and Automation Engineering

Department of Computer Engineering

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Implementation of radar cross-sections model for targets with different scattering centers

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Published

2022-10-27

How to Cite

Aziez, S., Hamza, E., Hummadi, F., & Sabry, A. (2022). Implementation of radar cross-sections model for targets with different scattering centers . Eastern-European Journal of Enterprise Technologies, 5(9(119), 54–60. https://doi.org/10.15587/1729-4061.2022.265089

Issue

Vol. 5 No. 9(119) (2022): Information and controlling system

Section

Information and controlling system

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Copyright (c) 2022 Sameir Aziez, Ekhlas Hamza, Fadia Hummadi, Ahmad Sabry

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