Full-Wave Investigation of Far- and Near- Fields of a Vessel and Extracting Far-Field from Near-Field Data Scattered in X Frequency Band

Article Type:
Research/Original Article (دارای رتبه معتبر)
In this paper, the far- and near-fields of a vessel are discussed in the full-wave CST software environ ment. In this regard, the far-field is extracted with the help of the data obtained from the scattered near-field. First, to explain the method used to calculate the scattered near-field, a simple structure (metal cube) is simulated. Then, by simulating the full-wave of a vessel with the dimensions of 130.8×20×23.1 cm3 or 1.54×103 λ3 at 8.5 GHz from the X-band, its far- and near-fields were calculated and reported according to the mentioned method. In the following, the far-field of this vessel is obtained with the help of the available data from the scattered near-field. The characteristic of the radar cross section (RCS) of this vessel is also calculated using the Asymptotic solver of the CST software. The maximum RCS of the vessel at 8.5 GHz is equal to 2.51 m2. In order to calculate all near- and far-electric fields, the Time Domain solver has been used. The simplicity of calculating the far-field from the near-field presented in this paper makes it possible to analyze similar structures using the same method.
Journal of Intelligent Procedures in Electrical Technology, Volume:16 Issue: 61, 2024
97 to 110
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