FAST AND OPTIMAL DESIGN OF A K-BAND TRANSMIT-RECEIVE ACTIVE ANTENNA ARRAY | Zendy

Shaohua Yang | Zendy; Liu Qi-zhong | Zendy; Jun Yuan | Zendy; Shi-Gang Zhou | Zendy

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FAST AND OPTIMAL DESIGN OF A K-BAND TRANSMIT-RECEIVE ACTIVE ANTENNA ARRAY

Author(s) -

Shaohua Yang,

Liu Qi-zhong,

Jun Yuan,

Shi-Gang Zhou

Publication year - 2008

Publication title -

progress in electromagnetics research b

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.208

H-Index - 47

ISSN - 1937-6472

DOI - 10.2528/pierb08082205

Subject(s) - computer science , antenna (radio) , telecommunications , acoustics , physics

—An active-antenna array with 18 transmit elements and 18 receive elements is designed and fabricated. This T/R array can work at two different frequencies (19.5 GHz and 21.5 GHz) with multiple levels of isolation between the transmit and receive channels. A hybrid element-level vector finite element and adaptive multilevel fast multipole method (ELVFEM/AMLFMA) is applied to simulation the performance parameters of the array element and the full array fast. To obtained the maximum directivity of the array,the best distances of the T/R elements in the array are optimized by using the genetic algorithm (GE) combining with VFEM/AMLFMA. The design efficiency of the array is improved at a ratio of 30%. Finally the performance of the T/R array fabricated is measured in experiments and some good results are obtained.

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