Compact Planar Sparse Array Antenna with Optimum Element Dimensions for SATCOM Ground Terminals

Table 1

Syntheiss results of three kinds of annual arrays.

	Periodic array	Conventional sparse array	High efficiency sparse array
Number of elements	452	270	169
Directivity (dBi)	33.98	31.90	33.62
SLL (dB)	−25.9	−24.95	−25.2
Aperture efficiency	86.64%	53.64%	79.56%