Synthesis of a Generalized Algorithm for Processing and Generating Data on Reflected Signals from Complex Targets

• Published in: Izvestiâ vysših učebnyh zavedenij Rossii. Radioèlektronika Vol. 26; no. 1; pp. 44 - 57
• Main Authors: Vo, Xung Ha, Nguyen, Trung Kien, Nguyen, Phung Bao, Dang, Quang Hieu
• Format: Journal Article
• Language: English; Russian
• Published: Saint Petersburg Electrotechnical University "LETI" 07.03.2023
• Subjects: complex target; intensity matrices of reflected signal components; pixel matrices of radar images; radar information; trajectory processing
• ISSN: 1993-8985; 2658-4794; 2658-4794
• DOI: 10.32603/1993-8985-2023-26-1-44-57

Introduction. The quality of input information for trajectory processing (TP) systems can be improved by increasing the measurement accuracy of radar sensors (RS). However, in such a case, radar targets acquire the characteristics of complex targets having several marks at the output of the detector. This makes it difficult to accurately assess the kinetic parameters of targets in a TP system. In this respect, the development of a generalized algorithm for processing and generating data from the reflected signals of complex targets seems a relevant research task. Aim. To investigate reasons for the formation of complex targets and, using the theory of radar image processing, to synthesize an algorithm for processing and generating data on reflected signals from a complex target. Materials and methods. The following methodological approaches were used: the theory of digital signal processing; applied theory of radar image processing; MATLAB Simulink Toolboxes for simulating radar image processing; some prerequisites for fuzzy clustering methods. Results. Following an analysis of some characteristics of complex targets and the theory of radar image processing, an generalized algorithm was synthesized for processing and generating data of reflected signals from this class of targets. The results can be used to improve the measurement accuracy of their representative point when solving the TP problem. Conclusion. Reasons for the formation of complex targets in radar technology were analyzed. Their specific features consist in the need to accurately assess a true mark. A generalized algorithm for processing and generating these signals reflected from complex targets was proposed. The results can serve as a basis for solving the TP problem.