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

页码：526 / 531

页数：6

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