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

<div>Relationship between sensitivity and element spacing. (a) Sensitivity variation with the increase of spacing. (b) Sensitivity of boresight over different element spacing.</div>

International Journal of Antennas and Propagation

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Figure 4

Figure 4: Design of an L-Band Cross-Dipole Phased Array Feed for FAST 