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EMP Simulators are important installations to implement HEMP effect and adaptability validation test for electronic equipments and systems. Horizontal dipole and headstand cone are two types of HEMP Simulator Antenna, which radiate horizontal and vertical polarization pulse electric field separatly. Radiation field distribution of arc horizontal dipoles with different bend radius and conic monopoles...
Electromagnetic pulse (EMP) radiation may seriously threaten the electronic equipments and systems. The EMP energy could be coupled into inside of systems from antennas, cables and apertures, and this would result in the system disturbed even destroyed. The EMP coupling characteristics of different channels are analyzed in this paper, and the general protection requirements for different types of...
Shielding effectiveness of metallic enclosures with curved metallic objects on ship platform illuminated by an incident EMP, is studied using hybrid FDTD method combined with a modified conformal technique. The developed code is verified by comparing our numerical result with the measurement, and an excellent agreement is achieved. Parametric studies are performed to show geometrical and physical...
Electromagnetic pulse (EMP) radiation shall seriously disturb electronic information system. The EMP energy coupled from different approaches can even destroy semiconductor elements inside the equipment, make the system to function improperly. Several expressions of minatory EMP are investigated in this paper. The coupling characteristics and threat mechanism of EMP radiation entering into electronic...
A generalized mathematical procedure is developed for investigation wideband transient pulse responses of monopole antennas illuminated by an external electromagnetic pulse. The numerical algorithm is based on the time-domain integral equation solved with the method of moments. The Laguerre polynomials are implanted as the entire domain temporal basis function to expand the unknown current in the...
A hybrid time-domain method is proposed for characterizing electromagnetic interference (EMI) signals in some composite structures with two-wire ribbon cable transmission lines, metallic enclosures, and even lumped active devices involved. In order to fast capture the inner EMI signals induced, Finite Difference Time-Domain (FDTD), and multi-conductor transmission lines (MTL) methods are combined...
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