Distortion Modeling and Compensation in Step Frequency Radars

被引：4
|
作者：
Tjora, Sigve [1 ]
Lundheim, Lars [1 ]
机构：
[1] Norwegian Univ Sci & Technol, Dept Elect & Telecommun, N-7491 Trondheim, Norway
来源：
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2012年 / 48卷 / 01期
关键词：
D O I：
10.1109/TAES.2012.6129641
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Nonideal behavior of ultra wideband (UWE) step frequency radars cause artifacts in the received signal. Several such artifacts are represented by a linear, frequency domain model presented here. The model includes both spurious frequencies, linear distortion, oscillator leakage, and crosstalk between the transmitter and receiver as well as IQ imbalance. A class of compensation methods based on this model using parameter estimation from calibration measurements is suggested. These compensation methods represent a generalization of a well-known approach for equalization of linear distortion in step frequency radars and have been tried out and confirmed by laboratory tests.
引用
收藏
页码：360 / 374
页数：15
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