Novel attenuation band steep UWB (Ultra Wide Band) band-notch antenna
A new type of stop-band technology, applied in the directions of antenna, antenna coupling, radiating element structure, etc., can solve the problems of large antenna volume, unfavorable system integration, difficult adjustment of stop-band center frequency, etc., and achieves low cost, convenient processing and structure. compact effect
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[0023] The invention designs a novel UWB band-stop antenna with a steep stop band, and the filter can suppress the mutual interference between the UWB system and the RFID system.
[0024] Below in conjunction with accompanying drawing, invention is described in more detail:
[0025] Such as figure 1 As shown, the novel UWB bandstop antenna with steep stopband of the present invention, the radiation unit (101) on the dielectric substrate, the impedance matching input microstrip line (102), and the cross-type EBG electromagnetic bandgap structure (103), adopt copper Material.
[0026] Such as figure 1 As shown, the stopband attenuation suppression is improved by the Sierpinski triangular fractal structure (106).
[0027] An example of the present invention is figure 2 As shown, the dielectric substrate (105) is a GML1000 material with a dielectric constant of 3.2. The dielectric substrate has a thickness of 0.762mm. The metal grounding plate (104) under the dielectric sub...
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