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HPM detector system with frequency identification

Presentation held at International Conference, 10 years IGRS, 8th Dresden Symposium, Hazards - Detection and Management, August 31 - September 04, 2015 in Dresden, Germany
: Adami, Christian; Braun, Christian; Clemens, Peter; Jöster, Michael; Ruge, Sven; Suhrke, Michael; Schmidt, Hans Ulrich; Taenzer, Hans-Joachim

Präsentation urn:nbn:de:0011-n-3743288 (1.5 MByte PDF)
MD5 Fingerprint: da631ee87b08e085be17283f790728f8
Erstellt am: 15.1.2016

2015, 20 S.
International Geo-Hazards Research Society (IGRS International Conference) <2015, Dresden>
Symposium "Hazards - Detection and Management" <8, 2015, Dresden>
Vortrag, Elektronische Publikation
Fraunhofer INT ()
HPM; IEMI; HPEM; detection; critical infrastructure

Complex electronic systems support all areas of our society, namely including critical infrastructures, by collecting and processing a large amount of data in real time. The risk of malicious disturbance with High Power Electromagnetic (HPEM) signals rises simultaneously with growing complexity of these systems and their increasing usage particularly in smart applications. An HPEM attack is difficult to identify only from the behavior of the affected electronic devices, especially if it has not been expected by the operator. Hence, the comprehensive detection of HPEM threats should be integrated into a protection concept of critical infrastructures, in particular for surveillance of mission-critical components. Warning devices, which simply notify of the occurence of HPEM signals, are not sufficient for threat analysis. Instead, the determination of characteristic parameters like field strength, pulse width, repetition frequency, direction of arrival, and the carrier of the Radio Frequency (RF) allows the forensic analysis and tracking of HPEM threat signals. Fraunhofer INT has developed several stages of generic demonstrators with the capability of sector surveillance and high dynamic amplitude measurement. A version with four broadband antennas demonstrates the ability of 360 degree surveillance and direction finding via comparison of the antenna voltage magnitudes. Instantaneous and continuous RF detection allows for improvement of amplitude and direction detection as well a for extension of usable operating range by correction of frequency dependent component characteristics. The graphical user interface is tailored to both non-specialists and expert user groups. The conceptof a compact, properly shielded system with integrated power supply and fiber optic link to a remote control computer has been evaluated successfully in the RF laboratory as well as in open area tests.