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By extending a frequency domain (FD) uniform asymptotic solution (FD-UAS), we derive a time-domain (TD) asymptotic-numerical solution (TD-ANS) for a transient scattered electric field when a modulated ultra-wideband (UWB) pulse wave excited by an electric line source is incident on a coated conducting cylinder covered with a thin lossy dielectric material. The TD-ANS is represented by a combination...
By extending a frequency domain (FD) uniform asymptotic solution (FD-UAS), we develop a time-domain (TD) asymptotic-numerical solution (TD-ANS) for a transient scattered field when a modulated ultra-wideband (UWB) pulse wave is incident on the convex portion of a cylindrically curved conducting open sheet with two straight edges. The TD-ANS is represented by a combination of the transient scattered...
We have derived the time-domain asymptotic solution for the transient scattered field by the cylindrically curved conducting surface by extending the corresponding frequency-domain asymptotic solution. The validity and utility of the time-domain asymptotic solution derived here have been confirmed by comparing with the reference solution. We have shown that the time-domain asymptotic solution, which...
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