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We present in this paper a comparison of two popular time domain numerical techniques, viz., the transmission line matrix (TLM) method and the finite-difference time-domain (FDTD) method for electromagnetic scattering problems. Even though there are many similarities between the two methods, the modeling philosophy is different. Whereas in FDTD Maxwell's equations are solved using a differencing scheme,...
Here we consider two popular techniques useful for time domain signature analysis of direct scattering problem i.e., given the incident waveform and the target geometry, find the scattered field. We present in this paper a comparison of two popular time domain numerical techniques, viz., the transmission line matrix (TLM) method and the finite-difference time-domain (FDTD) method for electromagnetic...
We present in this paper a comparison of two popular time domain numerical techniques, viz., the transmission line matrix (TLM) method and the finite-difference time-domain (FDTD) method for electromagnetic scattering problems. The comparison is made via standard canonical shapes, a conducting cube, and a conducting sphere, to address the factors affecting accuracy, efficiency, and the required computer...
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