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PATCH AND GROUND PLANE DESIGN OF MICROSTRIP ANTENNAS BY MATERIAL DISTRIBUTION TOPOLOGY OPTIMIZATION
Progress in Electromagnetics Research B
We use a gradient-based material distribution approach to design conductive parts of microstrip antennas in an efficient way. The approach is based on solutions of the 3D Maxwell's equation computed by the finite-difference time-domain (FDTD) method. Given a set of incoming waves, our objective is to maximize the received energy by determining the conductivity on each Yee-edge in the design domain. The objective function gradient is computed by the adjoint-field method. A microstrip antenna isdoi:10.2528/pierb14030605 fatcat:x76lbudxhjhcpjyvqmp6vseise