ECCM capabilities of an ultrawideband bandlimited random noise imaging radar

被引：73
|
作者：
Garmatyuk, DS [1 ]
Narayanan, RM [1 ]
机构：
[1] Univ Nebraska, Dept Elect Engn, Lincoln, NE 68588 USA
来源：
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2002年 / 38卷 / 04期
关键词：
Imaging techniques - Military electronic countermeasures - Signal interference - Signal receivers - Spurious signal noise;
D O I：
10.1109/TAES.2002.1145747
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Investigated here is high-resolution imaging of targets in noisy or unfriendly radar environments through a simulation analysis of the ultrawideband (UWB) continuous-wave (CW) bandlimited random noise waveform. The linear FM chirp signal was selected as a benchmark radar waveform for comparison purposes. Simulation of the recovery of various types of target reflectivity functions (TRFs) for these waveforms were performed and analyzed. In addition, electronic countercountermeasure (ECCM) capabilities for both types of systems were investigated. The results are compared using the error between the interference (jamming)-free recovered TRF and the recovered TRIP under noisy conditions as a function of the signal-to-interference/jamming ratio (SIR/SJR). Our analysis shows that noise waveforms possess better jamming immunity (of the order of 5-10 dB improvement over the linear FM chirp) due to the unique radar correlation processing in the receiver.
引用
收藏
页码：1243 / 1255
页数：13
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