Design of an L-Band Cross-Dipole Phased Array Feed for FAST

<div>Focal field distribution and radiation pattern in the focal plane. (a) Focal field distribution with vertical incident plane wave. (b) Radiation pattern of 37-element hexagonal array.</div>

International Journal of Antennas and Propagation

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Figure 3

Figure 3: Design of an L-Band Cross-Dipole Phased Array Feed for FAST 