Ultra-wideband radar noise reduction for target classification

被引：12
|
作者：
Hantscher, S. [1 ]
Reisenzahn, A. [1 ]
Diskus, C. G. [1 ]
机构：
[1] Johannes Kepler Univ Linz, Inst Microelect & Microsensors, A-4040 Linz, Austria
来源：
IET RADAR SONAR AND NAVIGATION | 2008年 / 2卷 / 04期
关键词：
D O I：
10.1049/iet-rsn:20070097
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 authors describe a calibration procedure for ultra-wideband (UWB) radar systems in order to measure the frequency-dependent transfer function or radar cross-section, respectively, of objects with a high computational efficiency. The benefit of using UWB pulses is that only one measurement is required for covering several GHz. However, the signal processing steps contain a deconvolution operation producing spike artefacts. They were successfully removed by the calculation of frequency-dependent signal-to-noise ratio and a following Wiener filtering. The proposed method was verified by some elementary targets of which the size of the objects were determined.
引用
收藏
页码：315 / 322
页数：8
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