Overview

A method of moments (MOM) model for the analysis of the Linearly Tapered Slot Antenna (LTSA) is developed and implemented. The model employs an unequal size rectangular sectioning for conducting parts of the antenna. Piecewise sinusoidal basis functions are used for the expansion of conductor current. The effect of the dielectric is incorporated in the model by using equivalent volume polarization current density and solving the equivalent problem in free-space. The feed section of the antenna including the microstripline is handled rigorously in the MOM model by including slotline short circuit and microstripline currents among the unknowns. Comparison with measurements is made to demonstrate the validity of the model for both the air case and the dielectric case. Validity of the model is also verified by extending the model to handle the analysis of the skew-plate antenna and comparing the results to those of a skew-segmentation modeling results of the same structure and to available data in the literature. Variation of the radiation pattern for the air LTSA with length, height, and taper angle is investigated, and the results are tabulated. Numerical results for the effect of the dielectric thickness and permittivity are presented. Koeksal, Adnan Unspecified Center ANTENNA DESIGN; ANTENNA RADIATION PATTERNS; DESIGN ANALYSIS; METHOD OF MOMENTS; SLOT ANTENNAS; CONDUCTORS; CURRENT DENSITY; DIELECTRICS; PERMITTIVITY; SHORT CIRCUIT CURRENTS; SINE WAVES...

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9781723217319

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