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S. Hussain

Bio: S. Hussain is an academic researcher from Quaid-i-Azam University. The author has contributed to research in topics: Fourier transform & Asymptotic expansion. The author has an hindex of 1, co-authored 1 publications receiving 4 citations.

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TL;DR: In this paper, the authors investigated the diffraction phenomenon of EM-plane wave by a non-symmetric plate of finite length under the influence of cold plasma and formulated the Wiener-Hopf equation by boundary value problem related to this model and Fourier transform.
Abstract: The present research article presents the investigation of diffraction phenomenon of EM-plane wave by a non-symmetric plate of finite length under the influence of cold plasma. The Wiener–Hopf equation is formulated by boundary value problem related to this model and Fourier transform. The standard way of Wiener–Hopf procedure is used to tackle the resulting equation. Asymptotic expansion and modified stationary phase method are used to find the result for the diffracted wave by finite plate under the assumption of Neumann boundary conditions in an anisotropic medium. The case of an isotropic medium has been obtained by assigning the particular values to elements of permittivity tensor. The high-frequency signal can be assumed only when very large operating frequency is taken into account as compared to the cyclotron frequency. Various physical parameters for isotropic and anisotropic medium are discussed graphically.

9 citations


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TL;DR: In this article, the authors considered the incident wave on a finite symmetric plate under the imposition of Dirichlet boundary conditions in the presence of cold plasma and formulated the boundary value problem through employing the Fourier transform on Helmholtz equation.
Abstract: In the present article, we have considered the incident wave on a finite symmetric plate under the imposition of Dirichlet boundary conditions in the presence of cold plasma. The boundary value problem is formulated through employing the Fourier transform on Helmholtz equation. The technique of Wiener–Hopf analysis is used to sort out the problem proposed for this model. The separated field is evaluated and then effects of various physical parameters are discussed through graphical analysis in the presence of cold plasma. A comparative study with previous analysis of non-symmetric finite plate is discussed graphically.

7 citations