Ultra-wideband-radar-based scattering-cross-section-reducing chessboard structure and ultra-wideband radar
An ultra-wideband radar, scattering cross-section technology, applied in the direction of using re-radiation, reflection/re-radiation of radio waves, measurement devices, etc., can solve problems such as increasing the complexity of shape design, difficulty in bandwidth, and restricting applications, and achieve good RCS reduction Effect, reduce the effect of double station RCS
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[0039] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is a part of the embodiments of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0040] In an embodiment of the present invention, as shown in Figs. 1(a) and 1(b), a schematic diagram of the physical mechanism of multiple phase cancellation is given. When a plane wave is incident on the surface of a metamaterial composed of M×N crystal lattices, the surface arranged in a matrix array will produce M×N reflected waves. The re...
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