"JOURNAL OF RADIO ELECTRONICS" (Zhurnal Radioelektroniki ISSN 1684-1719, N 10, 2019

contents of issue      DOI  10.30898/1684-1719.2019.10.2     full text in Russian (pdf)  

UDC 621.369.9

Forming a volumetric ISAR images

S. I. Moryakov, S. M. Nesterov, I. A. Skorodumov

Central Research Institute of Troops Aerospace Defense, Moscow 141091, Russia

The paper is received on October 4, 2019

Abstract. The inverse synthetic aperture radar systems are widely applied in many fields, like space and air control systems, special research laboratories and outdoor measurements facilities. Inverse synthetic aperture radar can form two-dimensional electromagnetic images of targets, which are used for target classifications and recognition. However, two-dimensional images do not provide the height information about scattering centers. In this paper we proposed a method for obtaining a volumetric inverse synthetic aperture radar images, characterized by the ability to determine the relative height of scattering centers on image. The result is achieved by receiving the reflected signal from the two antennas with closely-separated elevation angles and determining the relative height based on the known values of object observation angles and phase values of each image elements. Interferometric processing, in contrast to the classical three dimensional inverse synthetic aperture radar algorithm, is more feasible in real conditions. Simulation results are obtained in order to verify the effectiveness of the proposed method. We can recommend this processing to various practical cases in air control, measurement facilities or laboratories efforts. Volumetric inverse-synthesized radar images of objects, obtained by the proposed method, make it possible to simplify and accelerate the solution of the problem of defectoscopy of objects, as well as problems of identification and selection due to recognition of objects by their digital images (three-dimensional models) without the need to create a database of specialized standards.

Key words: inverse synthetic aperture, radar images, radar cross section, volumetric images, radar interferometry.


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For citation:

S. I. Moryakov, S. M. Nesterov, I. A. Skorodumov. Forming a volumetric ISAR images.  Zhurnal Radioelektroniki - Journal of Radio Electronics. 2019. No. 10. Available at http://jre.cplire.ru/jre/oct19/2/text.pdf

DOI  10.30898/1684-1719.2019.10.2