What is it about?
In the active echo cancellation (AEC), the jammer can suppress the true target by superimposing on it a false target with the same amplitude and inverted phase. Under certain conditions, the interrupted-sampling repeater jammer (ISRJ) performs a kind of partial AEC against chirp radars. A novel technique that not only eliminates the effect of a self-protection ISRJ is proposed, but also the jamming signal power to augment the power of the true target is exploited. The theoretical analysis of this technique is presented and its effectiveness is verified by simulation.
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Why is it important?
The proposed anti-jamming technique not only eliminates the effect of a sactive echo cancellation, but also makes the jamming signal power to augment the power of the true target.
Perspectives
The proposed technique is better than other ECCM techniques that require a high SNR or assume that jamming pulses lag behind the true target echo
Dr. Ing. Samer Baher Safa Hanbali
Higher Institute for Applied Science and Technology
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This page is a summary of: Technique to counter active echo cancellation of self-protection ISRJ , Electronics Letters, May 2017, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/el.2017.0617.
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