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Radio Frequency-based Electronic Attack to Modern Radar

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Systems Concepts and Integration

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Cognitive EA, Counter Surveillance, Deception Jamming, Digital Radio Frequency Memory Jamming, DRFM Jamming, EA, Electronic Attack, Imaging Radar, Low Power Radar, Low Probability of Intercept Radar, LPI Radar, Multiband Radar, Netted Radar, Noise Radar, Passive Radar, System Architectures


An understanding of electronic countermeasures against several types of modern radars was achieved by the NATO Task Group SCI-281 on “Solutions Advancing Next Generation Radar Electronic Attack”. The Task Group examined various types of radars like Synthetic Aperture Radar (SAR), Inverse Synthetic Aperture Radar (ISAR), High Range Resolution Radar (HRR), Passive Radar and Low Probability of Intercept (LPI), including Low Power Radar (LPR) approaches, their radar processing and evolved initial approaches to counter them.


The main objective of the Group is to further develop and expand the work done by the RTG SCI-281. The ongoing development of RF EA techniques will include the investigation and improvement of jamming techniques against imaging and target classification capable radars. Aspects of countering multi-channel or multi-static and passive radars by cooperative multi-channel or multi-static jamming approaches will be covered. In addition, cognitive EA will be investigated further. Requirements for credible EA against netted radar systems will be researched. Simultaneous transmit and receive (STAR) is one of the key efforts to be studied for effective EA techniques not only on small platforms. A continuous effort is seen in the requirement to counter radars with LPI type of signal characteristics, including ‘Low Power Radar’ and ‘Noise Radar’. The effort could include the use of theoretical analyses, simulations, laboratory experiments, field trials or other methods of scientific investigation. A Technical Report will summarize the findings of the RTG.


• EA techniques against passive (Passive Coherent Location PCL, Passive Emitter Tracking PET) and multi-static radar systems • EA techniques against multi-band, netted radar systems to counter data fusion on different levels • Research on cognitive EA versus adaptive radar threats • Advanced system architectures and technology aspects of EA systems, like space-diverse, multi-channel jammers and requirements for simultaneous transmit and receive approaches • Development of advanced RF EA techniques against imaging radar and non-cooperative classification algorithms, including e.g. SAR/ISAR and Imaging Seekers • EA techniques against LPI systems, including LPR and noise radar

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