Journal of Radio Electronics. eISSN 1684-1719. 2025. ¹11

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DOI: https://doi.org/10.30898/1684-1719.2025.11.3

 

 

 

AIRBORNE TARGETS DETECTION AND LOCATION METHOD
BASED ON ANALYSIS OF MULTIDIMENSIONAL OBLIQUE
SOUNDING IONOGRAMS

 

V.Yu. Nesterov, G.G. Vertogradov

 

Southern Federal University
344006, Russia, Rostov-on-Don, B. Sadovaya street, 105/42

 

The paper was received October 10, 2025.

 

Abstract. Passive coherent radar method for detecting and estimating the coordinates of airborne objects based on the analysis of multidimensional oblique sounding ionograms in HF-band is presented. An algorithm for automatic selection of scattered signals is described, based on reducing the minimum distance between points in the multidimensional parameter space (group delay, elevation angle, azimuth, amplitude). Simulation models used to estimate the trajectories of scattered radiation sources are presented: dynamic adaptive structural physical and simplified simulation. The performance test, conducted on the measurement data, showed satisfactory results for objects illuminated by different wave propagation modes (1Es and 2Es). The developed method belongs to the «track-before-detect» class and can be used for early detection and tracking of airborne targets, including objects with supersonic speeds.  

Key words: passive coherent radar, oblique sounding, HF-band, simulation model, track-before-detect.

Corresponding author: Nesterov Vadim Yurievich, vadnesterov@sfedu.ru

 

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For citation:

Nesterov V.Yu., Vertogradov G.G. Airborne targets detection and location method based on analysis of multidimensional oblique sounding ionograms. // Journal of Radio Electronics. – 2025. – ¹. 11. https://doi.org/10.30898/1684-1719.2025.11.3 (In Russian)