Analysis and design of ultrawideband highpower microwave pulse

Analysis and design of ultrawide-band high-power microwave pulse interactions with electronic circuits and systems Goals n Understand predict the effects of the electromagnetic threat represented by high power microwave (HPM) and ultrawide-band (UWB) pulses on digital electronic systems found inside fixed or moving platforms. n Develop recommendations for performing field tests/measurements MURI - University of Illinois at Chicago - P. I.

MURI Participants University of Illinois at Chicago Frequency Domain Electromagnetic Modeling, Fault tolerant computing systems. P. L. E. Uslenghi, P. I. H-Y. D. Yang, S. Dutt, D. Erricolo. Clemson University Generalized scattering matrices, Equivalent circuit models, non-linear circuit testing. C. M. Butler, A. Q. Martin, M. A. Bridgewood, F. M. Tesche. MURI - University of Illinois at Chicago - P. I.

MURI Participants University of Houston Integral equation methods, Fast Multipole Moment method. D. R. Wilton, D. R. Jackson. University of Illinois at Urbana-Champaign Frequency and Time-domain electromagnetic modeling of circuit components, Hybrid electromagnetic/circuit solvers. E. Michielssen, A. C. Cangellaris. University of Michigan Hybrid Finite Element Method, VLSI Design, VLSI Testing VLSI Layout automation. J. L. Volakis, V. V. Liepa, P. Mazumder. MURI - University of Illinois at Chicago - P. I.

Introduction The high power electromagnetic pulse threat • Nuclear electromagnetic pulse (NEMP) old, studied, understood • New electromagnetic threats ultrawide-band (UWB) and narrow band high-power microwave (HPM) pulses MURI - University of Illinois at Chicago - P. I.

MURI Research Plan Goal Understand predict the effects of an aggressor signal into a complex system. HPM/UWB sources antennas cracks apertures cables MURI - University of Illinois at Chicago - P. I. propagation to interior interaction with digital circuits

MURI Research Plan Tasks Technology Elements Collaborators Large-scale frequency domain analysis of HPM penetration and coupling into pieces Hybrid Finite Element Method, Fast multipole method in Moment Method Volakis, Butler, Jackson, Uslenghi Wilton Time-domain analysis of HPM/UWB penetration and coupling into pieces Time-Domain Integral Equation Method with Plane-wave Time-Domain Algorithm Michielssen, Cangellaris, Wilton, Jackson Coupling between pieces with EM topology Equivalent Circuit Models and Generalized Scattering Matrices for Pieces Tesche, Butler Martin, Volakis Source and coupling path models for integrated circuits and systems Frequency- and Time-Domain Electromagnetic Modeling of Linear Circuit Components Cangellaris, Yang, Michielssen MURI - University of Illinois at Chicago - P. I.

MURI Research Plan Tasks Technology Elements Collaborators HPM/UWB interaction with nonlinear and active devices Transient Time-Domain Nonlinear Circuit Analysis Cangellaris, Erricolo, Mazumder HPM/UWB Impact on Digital Circuits and Computers: Fault Evaluation of the System Response and the Change of Logic State Mazumder, Dutt, Tesche Experiment and design of HPW/UWB impact on electronic systems Nonlinear Circuit Testing and Evaluation of the Impact on subsystems and systems Tesche, Liepa, Bridgewood Uslenghi MURI - University of Illinois at Chicago - P. I.

Example of capabilities of our computational software tools Measured Calculations Large scale calculation for antenna radiation mounted on a Global Hawk aircraft that is 115 ft wide x 44 ft long. MURI - University of Illinois at Chicago - P. I.

Example of capabilities of our computational software tools Broadband communication antenna Conformal array and frequency selective surfaces Broadband radar array MURI - University of Illinois at Chicago - P. I. Antenna + Radome

Example of capabilities of our computational software tools Snapshot of currents on a VFY 218 aircraft illuminated by a pulse incident from broadside MURI - University of Illinois at Chicago - P. I. Snapshot of currents on a computer chassis with its ventilation slot illuminated by an external wave.