Journal
SCIENCE CHINA-TECHNOLOGICAL SCIENCES
Volume 53, Issue 12, Pages 3221-3224Publisher
SCIENCE PRESS
DOI: 10.1007/s11431-010-4159-1
Keywords
plasma; microwave absorptive material (MAM); sandwich structure; electromagnetic pulse; finite difference time domain
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A plasma-microwave absorptive material (MAM)-plasma sandwich structure is presented to protect the electronic device against high power electromagnetic pulse. The model of electromagnetic wave reflected by and transmitting through the structure is established. Based on the characteristic parameters of plasma generated by discharge and usual MAM, the electromagnetic transmissive properties of the sandwich structure are investigated by the method of finite difference in time domain. The results indicate that in a rather broad frequency range, the electromagnetic attenuations by the structure ar eobviously better than the sum of attenuations resulted from plasma and MAM respectively. The models and results presented are instructive for electromagnetic pulse protection.
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