FIELD: radar ranging and radio navigation.
SUBSTANCE: invention (its variants) refers to the field of radar and can be used in radar complexes consisting of radar modules (RMs): radar stations (RS) or transceiver modules (TMs) that perform a review of the space with a step-by-step refinement of coordinates. In the first variant, an overview of the space and the determination of the angular coordinates of the sector containing the targets and their distances are realized with the help of a RM with the longest wavelength, after which a step-by-step process is performed to refine the sector's angular coordinates and determine the distances to the targets with the help of RM with shorter wavelengths, ending the refinement process with the help of a RM with the smallest wavelength, while in the step-by-step process, the coordinates refinement is examined by the angular sector only within the range intervals corresponding to the intervals in which the target was detected at the previous stages. In the second variant, a survey of the space and determination of the angular coordinates of the sector containing the targets and their distances is carried out with the help of RM with the longest wavelength, after which a step-by-step process is performed to refine the sector's angular coordinates and determine the distances to the targets with the help of RM with shorter wavelengths, ending the refinement process with the help of a RM with the smallest wavelength, while in the step-by-step process the coordinates are inspected only within the range intervals corresponding to the intervals, in which at the previous stages the target was detected using signals with an unambiguous range only within the specified intervals if a passive interference acts in the frequency range of the RM.
EFFECT: increase the probability of finding a target and increase the rate of review for the first option; suppression of passive interference in the second version.
4 cl, 1 dwg
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