Ultra Wideband Teardrop Dipole Antenna
A dipole antenna and ultra-wideband technology, which is applied in the field of ultra-wideband through-wall radar antennas, can solve problems affecting the application of through-wall radar systems, poor near-ground coupling of horn antennas, unfavorable miniaturization and integration, etc., and achieve easy processing and maintenance, wide operating bandwidth, and good time-domain radiation characteristics
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[0021] The specific content of the present invention will be described in detail in conjunction with the accompanying drawings. figure 1 It is a schematic diagram of the structure of the ultra-wideband teardrop dipole antenna, such as figure 1 As shown, the ultra-wideband teardrop dipole antenna includes a metal radiating arm 1, an insulating dielectric plate 2, a metal shielding cavity 3, an impedance transformer 4, a wave-absorbing material 5 and a coaxial connector 6, wherein the metal radiating arm 1 Symmetrically printed on the front of the insulating dielectric board 2, the transverse cross-sectional shape of the metal radiating arm 1 can be represented by the following curve: , 0≤t≤0.5, x is the direction of the long axis of the metal radiating arm 1, y is the direction of the short axis of the metal radiating arm 1, there is a preset interval between the metal radiating arms 1, and two metal radiating arms 1 adjacent to the interval The input ports are respectively p...
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