V.S. Verba1, V.I. Merkulov2, A.P. Kirsanov3

1–3 JSC «Concern «Vega» (Moscow, Russia)

Trajectory control of observation involves the formation of such an aircraft flight trajectory, which, along with the solution of its final task, for example, hitting a target, implements the best conditions for its radar observation. The trajectory control of observation is based on the dependence of the effect of secondary modulation of the signal when it is reflected from the target and the structure of the electromagnetic field on the geometry of the relative position of the radar and the target and the dynamics of its change.

In the article, in general terms, methods for implementing trajectory control based on the use of algorithms of the statistical theory of optimal control and algorithms for direct minimization of the quality functionals used by gradient methods have been considered.

Based on the analysis of the influence of maneuvers of targets and radar carriers on the uncertainty function of the signals used, the influence of the observation control trajectory on the indicators of the perfection of primary processing systems has been considered. Based on the results of the analysis of possible tracking errors, the possibilities of both improving and deteriorating the indicators of perfection of systems for the secondary processing of radar signals have been estimated.

At a qualitative level, possible options for implementation of new modes of joint operation of radars and guidance systems have been indicated, which provide: covert guidance of aircraft in the areas of responsibility of the Doppler radars of the opposing side; weapons aiming at small-sized ground objects using antenna aperture synthesis; aiming to individual objects as part of a dense group of unsolvable targets; semi-active high-precision guidance; two-position guidance on sources of radio emission.

Verba V.S., Merkulov V.I., Kirsanov A.P. Trajectory control of observation. Part 1. Influence on radar signal processing algorithms. Achievements of modern radioelectronics. 2023. V. 77. № 2. P. 5–15. DOI: https://doi.org/10.18127/j20700784-202302-01 [in Russian]

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