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- W2368577897 abstract "A modified Vivaldi antenna is proposed. A tapered line comprising exponential and elliptic sections is applied to achieve the ultra-wideband( UWB) performance and miniaturization design for the Vivaldi antenna. A 8-element Vivaldi linear antenna array is placed on the x-axis. The active element pattern( AEP) method is used to solve the array radiation problems. The AEP method is very effective because it includes the effects of mutual coupling rigorously. The array patterns calculated by this method are in good agreement with the results by the fullwave simulation. This array is optimized by a hybrid optimization algorithm based on differential evolution strategy( DES) and continuous ant colony optimization( CACO) algorithm. The excitation amplitudes are as the optimization variables. Compared with the Chebyshev antenna array,the side lobe level( SLL) obtained by the optimization algorithm is lower. The number of full-wave simulation is decreased,and the optimization time is saved." @default.
- W2368577897 created "2016-06-24" @default.
- W2368577897 creator A5070561756 @default.
- W2368577897 date "2014-01-01" @default.
- W2368577897 modified "2023-09-26" @default.
- W2368577897 title "Optimization Design of Modified Vivaldi Antenna Array that Including the Mutual Coupling Effects" @default.
- W2368577897 hasPublicationYear "2014" @default.
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