REDUCING THE ARRAY SIZE FOR DOA ESTIMATION BY AN ANTENNA MODE SWITCH TECHNIQUE

被引：12
作者：
Cheng, S. -C. [1 ]
Lee, K. -C. [1 ]
机构：
[1] Natl Cheng Kung Univ, Dept Syst & Naval Mechatron Engn, Tainan 701, Taiwan
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER | 2012年 / 131卷
关键词：
DIRECTION-OF-ARRIVAL; PARTICLE FILTER; WIDE-BAND; ALGORITHM;
D O I：
10.2528/PIER12062203
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, an antenna-mode-switch technique is proposed to reduce the array size for the DOA (direction-of-arrival) estimation. Conventional DOA estimation requires many elements of antenna array to achieve high resolution, and then suffers from large array size. To improve such disadvantages, this paper proposes an antenna-mode-switch technique to reduce the required number of array elements. Our results show that the required number of array elements will be greatly reduced by using the proposed technique. Furthermore, a bow-tie antenna design for implementing the proposed antenna-mode-switch technique is also proposed. The results prove that high-resolution and accurate properties of such a practical antenna design is very close to those of the ideal antenna mode.
引用
收藏
页码：117 / 134
页数：18
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