V.O. Afanasiev1, M.P. Slichenko2

1,2 JSC «Concern «Sozvezdie» (Voronezh, Russia)

1 Voronezh State University (Voronezh, Russia)

2 m.p.slichenko@sozvezdie.su

Problem statement. The modern snowballing of the theory and practice of a radio communication and data transmission with use of broadband signals demands development of existing methods and algorithms of direction finding, the narrow-band signals oriented on processing. Application of known expression for a direction finding relief in a case direction finding a broadband signal can lead to accuracy and reliability decrease direction finding because of frequency profile ignoring direction characteristics of antenna system within a frequency range of a radio signal and irregular algorithm of accumulation of a template of mutual energy a signal.

Objective. A scientific substantiation of a new method of direction finding sources of broadband radio signals on the basis of the account of frequency profile of characteristics of an orientation of antenna system.

Results. Results of a scientific substantiation of a new method direction finding sources of broadband radio signals on the basis of the account of the frequency profile of characteristics of an orientation of antenna systems are presented. It is shown that the account of the frequency profile of characteristics of an orientation antenna systems within a signal strip assumes accumulation of three kinds of accumulation of a template mutual energy on spectral components of a signal.

Practical significance. Application in practice of the offered method will allow to raise accuracy and reliability indexes of direction finding broadband radio signals.

The results of the study can be used in the design of digital circuits to expand the SOA zone.

Afanasiev V.O., Slichenko M.P. Method of direction finding a broadband radio signal. Radiotekhnika. 2025. V. 89. № 9. P. 63−69. DOI: https://doi.org/10.18127/j00338486-202509-06 (In Russian)

1. Artemov M.L., Borisov V.I., Makovij V.A., Slichenko M.P. Avtomatizirovannye sistemy upravlenija, radiosvjazi i radio-jelektronnoj bor'by. Osnovy teorii i principy postroenija. Pod. red. M.L. Artemova. M.: Radiotehnika. 2021. 556 s. (in Russian).
2. Dmitriev I.S., Slichenko M.P. Maksimal'no pravdopodobnoe obnaruzhenie i ocenivanie napravlenija prihoda i amplitudy naprjazhennosti radiovolny s pomoshh'ju mnogokanal'nogo radiopelengatora s antennoj sistemoj proizvol'noj konfiguracii. Antenny. 2011. № 5. S. 59-64 (in Russian).
3. Artemov M.P., Slichenko M.P. Sovremennyj podhod k razvitiju metodov pelengovanija radiovoln istochnikov radioizluchenija. Antenny. 2018. № 5. S. 31-37 (in Russian).
4. Artemov M.P., Afanas'ev O.V., Slichenko M.P. Metody statisticheskoj radiotehniki v sovremennom reshenii zadach radiomonitoringa. Antenny. 2016. № 6. S. 55-62 (in Russian).
5. Artemov M.P., Afanas'ev O.V., Slichenko M.P. Obnaruzhenie i pelengovanie istochnikov radioizluchenija v ramkah teorii statisticheskoj radiotehniki. Radiotehnika. 2016. № 5. S. 4-18 (in Russian).
6. Slichenko M.P. Predstavlenie mnogomernyh periodicheskih funkcij v vide konechnoj vzveshennoj summy otschetnyh zna-chenij. Radiotehnika i jelektronika. 2014. T. 59. № 10. S. 1042.
7. Dmitriev I.S., Slichenko M.P. Osobennosti interpoljacii 2π-periodicheskih funkcij s finitnym spektrom Fur'e na os-nove teoremy otschetov. Zhurnal radiojelektroniki. 2014. № 1 (in Russian).
8. Dmitriev I.S., Slichenko M.P. Predstavlenie periodicheskih funkcij s finitnym spektrom Fur'e v vide modificirovannogo rjada Kotel'nikova. Radiotehnika i jelektronika. 2015. T. 60. № 5. S. 529 (in Russian).
9. Slichenko M.P. Teoremy o predstavlenii integrala ot periodicheskoj funkcii s finitnym spektrom Fur'e v vide konechnoj summy. Radiotehnika. 2023. T. 87. № 5. S. 134-142. DOI: https://doi.org/10.18127/j00338486-202305-14 (in Russian).
10. Artemov M.P., Abramova E.L., Slichenko M.P. Prostranstvenno mnogokanal'noe adaptivnoe obnaruzhenie radiosignalov v chastotnoj oblasti pri neidentichnyh kanalah priema. Radiotehnika. 2014. № 11. S. 5-10 (in Russian).
11. Artemov M.L., Afanas'ev O.V., Dmitriev I.S., Slichenko M.P. Osobennosti funkcionirovanija maksimal'no pravdopodobnogo algoritma obnaruzhenija i ocenivanija parametrov ploskoj monohromaticheskoj radiovolny v uslovijah slozhnoj pomehovoj obstanovki. Radiotehnika. 2013. № 3. S. 62-68 (in Russian).
12. Artemov M.L., Slichenko M.P. Adaptivnyj mnogosignal'nyj algoritm sovmestnogo obnaruzhenija i pelengovanija ploskih monohromaticheskih radiovoln s pomoshh'ju mnogokanal'nogo radiopelengatora s antennoj sistemoj proizvol'noj konfiguracii. Antenny. 2014. № 5. S. 50−54 (in Russian).
13. Artemov M.L., Afanas'ev O.V., Slichenko M.P. Maksimal'no pravdopodobnaja ocenka kolichestva chastotno-nerazdelimyh radiovoln v ramkah teorii statisticheskoj radiotehniki. Radiotehnika. 2016. T. 80. № 5. S. 19−25 (in Russian).
14. Vinogradov A.D., Dmitriev I.S., Il'in M.Ju., Kozlov M.I., Slichenko M.P., Solomko E.S. Predel'naja chuvstvitel'nost' shirokodiapazonnyh radiopelengatorov s jekvidistantnymi kol'cevymi antennymi reshetkami iz nenapravlennyh antenn. Antenny. 2013. № 5. S. 18-29 (in Russian).
15. Afanas'ev O.V., Slichenko M.P., Zavalishina O.N. Teorema o kolichestve informacii Fishera v sluchae azimutal'nogo pelengovanija mnogokanal'nym obnaruzhitelem-pelengatorom s antennoj sistemoj proizvol'noj struktury. Radiotehnika. 2023. T. 87. № 5. S. 143-156. DOI: https://doi.org/10.18127/j00338486-202305-15 (in Russian).
16. Slichenko M.P., Zavalishina O.N. Obobshhennoe neravenstvo Kramera-Rao v sluchae sovmestnogo pelengovanija po azimutu i uglu mesta v uslovijah slozhnoj jelektromagnitnoj obstanovki. Zhurnal radiojelektroniki [jelektronnyj zhurnal]. 2024. № 3 (in Russian).
17. Slichenko M.P., Zavalishina O.N., Artemova E.S. Generalized Cramer-Rao bound in the case of azimuth and elevation direction finding. 2023 Ural-Siberian Conference on Biomedical Engineering, Radioelectronics and Information Technology (USBEREIT). 2023. P. 182-185.