RADIATION PATTERN RECOVERY METHOD Russian patent published in 2020 - IPC H01Q21/00 

FIELD: radio electronics.

SUBSTANCE: invention relates to radio electronics and can be used to extend the service life of radio complexes. In the method of reconstructing a radiation pattern (RP), determining a function of model distribution of the field strength phase in a PAA aperture, at which the model radiation pattern – coincides in the predetermined view sector (θ₁≤θ≤θ₂, ϕ₁≤ϕ≤ϕ₂) with deformed RP PAA – ƒ_d(θ, ϕ). Based on results of comparison of with F₀(x, y) – function of design distribution of field intensity in PAA aperture, phase corrections are determined and introduced into distribution of phase of intensity of electromagnetic field in aperture PAA, which provide forming ƒ_red(θ, ϕ) – reduced RP PAA, which in sector in review (θ₁≤θ≤θ₂, ϕ₁≤ϕ≤ϕ₂) coincides with design RP – f₀(θ, ϕ). Disclosed is a special procedure for restoring the main lobe RP.

EFFECT: restoration of design RP flat PAA only on the basis of knowledge of design parameters of flat PAA and type of deformed RP.

1 cl, 2 dwg