Principle and experimental results of ultra-wideband noise radar imaging of a cylindrical conducting object using diffraction tomography

Hee Jung Shin; Mark A. Asmuth; Ram M. Narayanan; Muralidhar Rangaswamy

doi:10.1117/12.2176752

21 May 2015 Principle and experimental results of ultra-wideband noise radar imaging of a cylindrical conducting object using diffraction tomography

Hee Jung Shin, Mark A. Asmuth, Ram M. Narayanan, Muralidhar Rangaswamy

Author Affiliations +

Proceedings Volume 9461, Radar Sensor Technology XIX; and Active and Passive Signatures VI; 94610V (2015) https://doi.org/10.1117/12.2176752
Event: SPIE Defense + Security, 2015, Baltimore, Maryland, United States

Abstract

In this paper, the principle, simulation, and experiment results of tomographic imaging of a cylindrical conducting object using random noise waveforms are presented. Theoretical analysis of scattering and the image reconstruction technique are developed based on physical optics approximation and Fourier diffraction tomography, respectively. The bistatic radar system is designed to transmit band-limited ultra-wideband (UWB) random noise waveforms at a fixed position, and a linear scanner allows a single receiving antenna to move along a horizontal axis for backward scattering measurement in the frequency range from 3–5 GHz. The reconstructed tomographic image of the rotating cylindrical conducting object based on experimental results are seen to be in good agreement with the simulation results, which demonstrates the capability of UWB noise radar for complete two-dimensional tomographic image reconstruction of a cylindrical conducting object.

Citation Download Citation

Hee Jung Shin, Hee Jung Shin, Mark A. Asmuth, Mark A. Asmuth, Ram M. Narayanan, Ram M. Narayanan, Muralidhar Rangaswamy, Muralidhar Rangaswamy, "Principle and experimental results of ultra-wideband noise radar imaging of a cylindrical conducting object using diffraction tomography", Proc. SPIE 9461, Radar Sensor Technology XIX; and Active and Passive Signatures VI, 94610V (21 May 2015); doi: 10.1117/12.2176752; https://doi.org/10.1117/12.2176752

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