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International Journal of Mathematics Trends and Technology

Research Article | Open Access | Download PDF

Volume 71 | Issue 7 | Year 2025 | Article Id. IJMTT-V71I7P104 | DOI : https://doi.org/10.14445/22315373/IJMTT-V71I7P104

Using NARX Neural Networks to Advance Passive Radar Target Detection


Sattam Alkhuraiji, Abir Alharbi
Received Revised Accepted Published
21 May 2025 28 Jun 2025 13 Jul 2025 27 Jul 2025
Citation :

Sattam Alkhuraiji, Abir Alharbi, "Using NARX Neural Networks to Advance Passive Radar Target Detection," International Journal of Mathematics Trends and Technology (IJMTT), vol. 71, no. 7, pp. 33-43, 2025. Crossref, https://doi.org/10.14445/22315373/IJMTT-V71I7P104

Abstract

This study introduces a novel detection approach utilizing Artificial Neural Networks (ANNs) to enhance target detection with Passive Radar (PR) systems. The methodology goes through two distinct stages: primarily, a Backpropagation Neural Network (BPNN) to refine the target azimuth estimation, using the Levenberg-Marquardt algorithm as a replacement for the traditional MUSIC algorithm used in the classical methods. Subsequently, a NARX Recurrent Neural Network with time series features to collect data from prior flights is used to enhance detection capabilities in the proposed system. Training on datasets comprising 12 million data points from over 5000 flights demonstrated significant performance improvements, achieving a reduction in mean square error on a test flight of 1000 data points, with over 75% enhancement in localization accuracy compared to classical passive radar systems.

Keywords

Artificial neural networks, Backpropagation neural networks, NARX, Recurrent neural network, Passive Radar, Azimuth angles. 

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