Ultra-broadband antenna capable of shielding various narrowband signal interferences
An ultra-wideband antenna, narrowband signal technology, applied in the direction of antenna coupling, antenna grounding device, antenna grounding switch structure connection, etc., can solve the problems of narrow operating bandwidth, low frequency band utilization, tight frequency band resources, etc. performance, improved high frequency, improved usability
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[0025] Below in conjunction with accompanying drawing, the present invention will be further described:
[0026] like Figure 1 to Figure 3 As shown, the UWB antenna that can shield a variety of narrowband signal interference includes a ground plate 1, a dielectric substrate 2, a feed network 3 and a radiation patch 4. The dielectric substrate 2 is made of Teflon_based, and the dielectric substrate 2 has a relative permittivity of 2.08 and a dielectric loss tangent of 0.001.
[0027] The antenna in this embodiment is fabricated on a dielectric substrate 2 with a length, width and height of 25mm, 20mm and 1mm respectively by etching, the ground plate 1 is printed on one side of the dielectric substrate 2, and the other side of the dielectric substrate 2 is printed with The feeding network 3 and the radiation patch 4, the grounding plate 1 and the radiation patch 4 have the same width, the grounding plate 1 is a trapezoidal and rectangular structure connected as one, the upper ...
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