High-gain antipodal Vivaldi antenna
A high-gain, antenna technology, applied in the field of antennas, can solve problems such as inoperability, increased electrical length, and small antenna gain, and achieves the effects of low cost, convenient processing, and simple and reliable structure
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[0040] The present invention will be further described in detail below in conjunction with the drawings and embodiments.
[0041] In this embodiment, a high-gain pair extension Vivaldi antenna is provided, and its structure is as follows figure 1 As shown, the processed objects are as image 3 As shown, the pair of Vivaldi antennas are implemented on a dielectric substrate of RT / Duroid 5880. The substrate has a relative permittivity of 2.2, a loss tangent of 0.0009, and a thickness of 0.787mm. Its specific parameters such as figure 2 As shown, specifically:
[0042] Wsub Lsubw0
[0043] Test the above-mentioned high-gain Vivaldi antenna, and the results are as follows Figure 4 to Figure 8 As shown, the test results show that the antenna return loss is better than -10dB in the frequency range of 4-40GHz; the gain of the antenna is greater than 0dBi in the frequency range of 1-40GHz, and the antenna gain is greater than 12dBi in the range of 15-40GHz; 3- The beam deviation of t...
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