CPC H01Q 17/004 (2013.01) [G01S 7/03 (2013.01); H01Q 1/3233 (2013.01); H01Q 1/38 (2013.01); H01Q 1/421 (2013.01); H05K 1/0237 (2013.01); G01S 7/027 (2021.05)] | 16 Claims |
1. A radar standing wave dampening system, comprising: a mount including a printed circuit board; a radio wave generating unit disposed on the mount; a radio wave sensing unit disposed on the mount; a non-target interface at a fixed distance from the radio wave generating unit, wherein the non-target interface has a relative permittivity for the frequency range of the radio waves greater than 1; and a gradient permittivity tape comprising an array of at least one of cones and pyramids disposed on the non-target interface; wherein the printed circuit board is a multilayer stack, and at least one layer includes an absorber composite including at least one of ceramic filler, magnetic filler, or conductive filler materials.
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