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The results of simulation of cylindrical pulsed EM wave diffraction on a cylindrical subsurface object have been presented. The structure of signals received at the observation point has been analyzed. The possibility of separation of signal components corresponding to reflections from discontinuities of the region of space under consideration has been investigated. For this reason the corresponding...
An analysis of results of FDTD-simulation of UWB electromagnetic pulse wave diffraction by a layered dispersive structure like soil is presented in this work. The radar images of this structure obtained at different spatial locations of the antenna system for various dielectric parameters of layers are constructed and analyzed in the paper. The amplitude-time characteristics of reflected pulses are...
The veracity of numerical FDTD simulation depends on a large extent on correct realization of the EM field source in the computation scheme. A survey of physical correspondence, simplicity of realization and convergence for several basic types of sources, being widespread in literature on FDTD simulation, is presented in the work.
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