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In this paper, we studied linear coupling function of the ultra-wide-band (UWB) pulse coupled to the computer case with different kinds of slots, apertures and hole arrays by the finite-difference time-domain (FDTD) method combined with fast Fourier transform (FFT) method.
The finite-difference time-domain (FDTD) method is used to analyze the rule of the electromagnetic pulse (EMP) coupled to the computer case with different kinds of slots, apertures and hole arrays. The spectrum of power density in midpoint of case is analyzed and illustrated by fast Fourier transform (FFT) method. The rule of EMP having different incident direction coupled into computer case is discussed...
In order to improve the method of the microwave imaging based on numerical optimizations, the single-illumination single-view (SISV) approach is proposed and the optimization is realized by means of the micro-genetic algorithm (MGA). In our simulations the resonance frequency of PEC object is obtained in terms of FFT, and then the range of the parameters used in the MGA can be determined automatically
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