{{Note|For large θ scan angles, the periodic FDTD time matching loop may take far more time steps to converge.}}
[[Image:{{twoimg|FDTD137.png]] [[Image:|Setting periodic scan angles in the lumped source dialog|FDTD138.png]]| Setting the array factor in radiation pattern dialog.}}
Figure 1: (Left) Setting periodic scan angles in the lumped source dialog, and (Right) Setting the array factor in radiation pattern dialog. [[Image:{{twoimg|FDTD135.png|400px]] [[Image:FDTD136.png|400px]] Figure 2: Radiation pattern of a 8×8 finite-sized periodic dipole array with scan angles: (Left) θ = φ = 0°, and (Right) .|FDTD136.png| Radiation pattern of a 8×8 finite-sized periodic dipole array with scan angles: θ= 45° and φ = 0°.}}
===Analyzing Antenna Arrays===