FDTD Patch Antenna S-Parameter Analysis with Computational Electromagnetics
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This textbook provides comprehensive coverage of S-parameter calculation methods for FDTD patch antennas. Through numerical analysis of electromagnetic fields using finite-difference time-domain (FDTD) algorithms, we delve into fundamental computational principles and implementation steps. The implementation typically involves discretizing Maxwell's equations using Yee's grid scheme and applying perfect matched layer (PML) boundary conditions. We also discuss key design considerations and optimization techniques for patch antennas, including parameter sweeps for resonant frequency tuning and impedance matching calculations. The material includes MATLAB/Python code examples demonstrating field update equations and S-parameter extraction through discrete Fourier transforms. By studying this textbook, readers will gain thorough understanding of FDTD-based S-parameter computations and master relevant technical methodologies for practical antenna design applications.
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