M.P. Belyaev¹, Y.G. Pasternak², V.A. Pendyurin³, I.V. Popov4, R.E. Rogozin5

1,2 Military Educational-Scientific Center of Air Forces of the "Military-air academy named after  professor N.E. Zhukovsky and Yu. A. Gagarin" (Voronezh, Russia)

2,5 Voronezh State Technical University (Voronezh, Russia)

2,3 JSC «Automated communication systems» (Voronezh, Russia)

4 JSC «Concern Sozvezdie» (Voronezh, Russia)

Formulation of the problem. Precision weapon systems (PWS) allow you to hit a target located at a great distance with the first shot or launch, regardless of weather conditions and time of day. In many countries of the world, various PWS systems are being actively developed. One of the types of PWS - precision ammunition with radio equipment placed on board the projectile, designed for guidance systems and collecting telemetric information. Antennas located on board precision ammunition must withstand large overloads, high temperatures, and the limited volume and mass for their placement impose certain restrictions on their size and design. It should be noted that when developing antennas, it is necessary to take into account the rotation of the projectile around its axis, and the associated phase distortions.

Purpose. Development of antenna systems for a system for collecting telemetric information from a small-sized fast-flying object or VTB.

Results. Based on the results of numerical simulation by the Weiland method, the main electrodynamic parameters of various types of antennas placed on board the precision ammunition  are presented: planar F-antenna, slot antennas. To minimize the effect of the long part of the ammunition body on the electrodynamic characteristics of the antenna, the paper describes the possibility of using an additional quarter-wave cup, "hidden" inside the "working" quarter-wave cup, which allows cutting off the current on the long part of the carrier. Conclusions are made about the advantages and disadvantages for each of the considered types of antennas.

Practical significance. The scientific and technical results obtained in the article will be useful in the development of antennas placed on board the precision ammunition. The use of an additional quarter-wave glass allows the antenna to be placed in any part of the projectile without significant deterioration in its characteristics.

Belyaev M.P., Pasternak Y.G., Pendyurin V.A., Popov I.V., Rogozin R.E. Development and study of perspective versions of onboard antenna design for telemetric information transmission. Radiotekhnika. 2021. V. 85. № 5. P. 132−141. DOI: https://doi.org/10.18127/j00338486-202105-12 (In Russian)

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