Journal of Radio Electronics. eISSN 1684-1719. 2023. №9
ContentsFull text in Russian (pdf)
DOI: https://doi.org/10.30898/1684-1719.2023.9.10
ANALYSIS OF THE SELECTIVITY PROPERTIES
OF VOLUMETRIC HOLOGRAMS IN RADIO-PHOTONIC DEVICES
A.G. Prygunov1, A.P. Zuykov2, V.S. Lobodinov2
1Don State Technical University,
344000, c. Rostov-on-Don, 1, Gagarina sq2Rostov-on-Don Scientific Research Institute of Radio Communication,
344038, Rostov-on-Don, Nansena st. 130
The paper was received May 25, 2023
Abstract. A necessary condition for the qualitative solution of telecommunication, infocommunication and navigation tasks in satellite communication systems is the presence of a high-precision synchronization system in satellite radio channels. It is indicated that the operation of the data exchange synchronization system in satellite radio channels is adversely affected by a number of external factors, such as, for example, the presence of the Doppler effect, errors in determining the relative speeds and directions of movement of artificial Earth satellites (ISS), the presence of a delay time of the transmitted signal due to significant distances between the nodes of the satellite communication network. The main disadvantages of modern synchronization systems used in satellite radio channels are given, and it is concluded that there is a relatively high probability of synchronism failure. It is indicated that the primary type of synchronization in a satellite radio channel is phase synchronization, the errors of which affect all subsequent types of synchronization (clock, frame and cycle). Analysis of the technical characteristics of modern phase synchronization systems in satellite radio channels allowed us to conclude that it is urgent to search for a new approach to the construction of these systems, which provides an increase in the speed and accuracy of their works. A possible way to solve this problem is the use of holographic photonics elements based on holographic sensing elements in measuring equipment that ensures the functioning and synchronization of satellite radio channels. The article solves the problem of constructing a holographic photonic phase synchronization system in a satellite radio channel. A technical solution is proposed to increase the speed, sensitivity and accuracy of the phase synchronization system by using a volumetric reflective Fourier hologram in the design of this system. A variant of the block diagram of the holographic photonic phase synchronization system is developed and the operation of this scheme is described. The constructive construction of optical elements of the developed block diagram in the form of electro-optical modulators and deflector optical systems is proposed. The individual features of the construction of these structural elements are indicated. The functional purpose of a volumetric reflective Fourier hologram in the design of a holographic photonic phase synchronization system is formulated. The regularities of changes in the parameters of optical fields in the holographic photonic elements of the phase synchronization system of a satellite radio channel are investigated. Concrete numerical examples demonstrate the possibility of providing high sensitivity and accuracy of a holographic photonic phase synchronization system.
Key words: satellite radio channel, phase synchronization, holographic photonics, volumetric Fourier hologram, sensitivity, accuracy, regularities of parameter changes.
Financing: the work was prepared as part of the research topic "Development of unmanned technologies based on complex stepwise optimization with extreme problem reduction and neuro-fuzzy modeling tools (FZNE-202 2-0006)."
Corresponding author: Prygunov Alexander Germanovich, agprygunov@mail.ru
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For citation:
Prygunov A.G., Zuikov A.P., Lobodinov V.S. Holographic photon system of phase synchronization in the satellite radio channel. // Journal of Radio Electronics‑ 2023.‑ №.9. https://doi.org/10.30898/1684-1719.2023.9.10 (In Russian)