Code and Report for Calculating Antenna Radiation Fields Using the Method of Moments

The code and report for calculating antenna radiation fields using the Method of Moments are critically important for antenna analysis. The Method of Moments is a widely-used numerical technique for computing antenna radiation characteristics. This method works by discretizing the antenna surface into small segments (patches) and modeling the current distribution on each segment to simulate antenna radiation. The implementation involves creating a matrix equation system where the impedance matrix represents electromagnetic interactions between segments, and the excitation vector corresponds to the applied voltage. Key computational steps include: generating geometry meshes using triangular or rectangular elements, calculating Green's functions for electromagnetic propagation, solving matrix equations using techniques like LU decomposition or iterative solvers, and post-processing results to obtain radiation patterns. The algorithm provides accurate radiation field distributions and is particularly valuable in antenna design and optimization processes. Our implementation includes MATLAB/Python code that calculates radiation fields and generates comprehensive reports containing antenna geometry specifications, current distribution plots, 3D radiation patterns, gain calculations, and directivity analysis. The code utilizes numerical integration techniques for accurate field computations and includes visualization modules for generating professional radiation pattern diagrams. The accompanying technical report documents the mathematical formulation, validation cases, and performance benchmarks, enabling readers to thoroughly understand antenna radiation characteristics and verify implementation accuracy.