V. A.
Doroshenko E. K.
Semenova Ya. V.
Doroshenko S. V.
Ruzhytskaya ABSTRACT The paper is devoted to the investigation of plane wave diffraction on the 3D composite unclosed conical structure consisting of two cones with longitudinal slots. The rigorous analytic-numerical approach, based on the Kontorovich-Lebedev integral transform and the semi-inversion method, has been developed and applied to solve this problem. On the basis of the numeral solution the influence of the longitudinal slot on the field forming in space is analyzed. The obtained results could be applied to the designing and development of scanning antennae and devices of measuring technique.
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