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The electromagnetic scattering of a complex target with large electrical size could not be solved by the analytical and the numerical methods. In this paper physical optics (PO) is used to solve this problem. Although compared with numerical method, such as the method of moment (MoM) and the finite difference time domain (FDTD), the PO costs shorter executing time and needs less memory, it should...
Horn antennas are extremely popular in microwave region, so it has great practical significance of studying its near field. The radiation of horn antenna can be equivalent to that of the surface current on aperture by Huygens principle. Since the dipole is the simplest and most familiar antenna, we use the array of dipoles to replace the currents and get the same radiation effects. The compute unified...
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