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In order to meet the request of ultra wideband (UWB) system to antenna, In this paper, a kind of Vivaldi antenna with ripple is designed, and its array is studied. Its working frequency band is from 400MHz to 900MHz, the gain of the antenna array unit in the low frequency band is 5.11dB, and 8.68dB in the high frequency band. In addition, we studied the antenna array respectively according to Dolph-chebyshef...
In this paper, we simply analyzed the advantages of conformal antenna array, and proposed a method to realize conformal antenna array of airborne with high gain and low side-lobe level (SLL). We designed a Vivaldi antenna unit, which's work frequency is 400MHz~800MHz. Conducting the experiment with HFSS by choosing the Dolph-Chebyshev synthesis method and using its E surface to dispose, which showed...
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