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Pulse distortion is an important characteristic of ultra- wideband (UWB) pulse. Although lots of papers have addressed the pulse distortion issue, incorporating the impacts of frequency dependence on pulse distortion appears to be novel. A theoretical reflection model based on geometrical optics is established in this paper. The distortion of second derivative Gaussian pulse caused by reflection from...
UWB pulse diffracted by a perfectly conducting wedge in both frequency domain and time domain is proposed in this paper. By introducing a numerical solution for the transition function, the diffraction coefficient is investigated by using UTD in the frequency band between 0 to 20 GHz. A directly time domain analysis is also carried out by using TD-UTD. The frequency dependence of the diffraction coefficients...
A time-domain version of the uniform geometrical theory of diffraction (TD-UTD) is introduced to describe, in closed form, the UWB transient electromagnetic diffracted by a perfectly conducting wedge. This TD-UTD impulse response is obtained by a Fourier inversion of the corresponding frequency domain UTD solution. The UWB pulsed diffracted excitation of the wedge may be found via its convolution...
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