FAR-FIELD REFLECTOMETRY FOR CHARACTERIZATION OF ACTIVE ANTENNAS

被引：1
|
作者：
TSAI, HS [1 ]
KENT, SD [1 ]
LEE, H [1 ]
YORK, RA [1 ]
机构：
[1] UNIV CALIF SANTA BARBARA,DEPT ELECT & COMP ENGN,SANTA BARBARA,CA 93106
来源：
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 1994年 / 43卷 / 04期
关键词：
D O I：
10.1109/19.310162
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：
Testing active antennas or polarimetric radar calibrators in the far field (plane wave excitation) is complicated by imperfect isolation between transmit and receive channels. We describe a far-field reflectometry setup which overcomes this problem. A large dynamic range is achieved by modulating the active element bias and using a quadrature receiver and lock-in detection scheme. A calibration method and a novel mixer phase-error correction scheme are described. The system is capable of full polarimetric characterization of active scatterers.
引用
收藏
页码：526 / 531
页数：6
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