AN EXPERIMENTAL ADAPTIVE NULLING RECEIVER UTILIZING THE SAMPLE MATRIX-INVERSION ALGORITHM WITH CHANNEL EQUALIZATION

被引：21

作者：

JOHNSON, JR

FENN, AJ

AUMANN, HM

WILLWERTH, FG

机构：

[1] MIT Lincoln Lab, Lexington, MA

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1991年 / 39卷 / 05期

关键词：

D O I：

10.1109/22.79107

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：

The suppression of external interference in an adaptive radar is often limited by frequency-dependent channel tracking errors. Techniques for effectively equalizing a narrow-band side-lobe canceler are discussed in this paper, and an experimental four-channel receiver that supports both open-loop and closed-loop operation is described. As implemented, three different canceler modes are possible: feedforward, feedback, and a tandem feedback/feedforward combination. All three modes have been successfully demonstrated in bench experiments with a broad-band noise source using the sample matrix inversion algorithm.

引用

页码：798 / 808

页数：11

共 11 条

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