Ultra wideband wave absorber based on resistance loading
A technology of ultra-broadband and wave absorber, applied to electrical components, antennas, etc., can solve the problems of time-consuming, unsatisfactory low profile, and high metal floor height, etc., and achieve the effect of beautiful pattern, improved wave absorption effect, and low design cost
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[0017] In order to make the object of the present invention, the technical problem to be solved and the technical solution clearer, the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0018] figure 1 It is an overall development schematic diagram of the present invention, including a loaded dipole antenna array 1, a dielectric substrate 2, a metal floor 3, and plastic screws 4 connecting the dipole antenna array and the metal floor. Described dipole antenna array is to be printed on the high loss FR4 (relative permittivity is 4.4, loss tangent is 0.02) dielectric substrate 2 that is printed on thickness 0.8mm Periodically arranged by many dipole units 11 Formed, the dipole unit 11 is made of copper sheets printed on the dielectric substrate 2 like butterfly wings, and the shape and size of each unit structure are exactly the same; the welding at both ends of the chip resistor 12 The points are respect...
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