Realization of Wideband Hologram Compact Antenna Test Range by Linearly Adjusting the Feed Location

被引：10
|
作者：
Li, Zhi Ping [1 ]
Ala-Laurinaho, Juha [1 ]
Du, Zhou [1 ]
Raisanen, Antti V. [1 ]
机构：
[1] Aalto Univ, Dept Radio Sci & Engn, Espoo, Finland
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2014年 / 62卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Antenna measurement; CATR; hologram; millimeter wave; submillimeter wave; wideband; BRIEF-HISTORY;
D O I：
10.1109/TAP.2014.2351072
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：
Hologram-based compact antenna test range (HCATR) is very attractive for antenna measurement at mm/sub-mm wave frequencies. However, as the hologram is a frequency sensitive element, the operation of a HCATR is usually limited to a narrow band. This paper describes a wideband HCATR: It can be realized by linearly adjusting the feed location. The position needs to be adjusted for approximately compensating the wave front curve of the feed, which is proportional to the operating frequency. The theory can be conformed under the paraxial condition. For the acceptable quiet zone field quality over a wide band, the aperture needs to have a large focal ratio. The idea is verified and the wideband performance of the quiet zone is studied with the simulated and measured results at W band (95 GHz) and D band (170 GHz).
引用
收藏
页码：5628 / 5633
页数：6
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