Thermos Array: Two-Dimensional Sparse Array with Reduced Mutual Coupling

Figure 1

(a) Array geometries of the hourglass array [11] and (c) thermos array (normalized by ) in which and , and the total number of sensors is . (b) The resulting DCA of the hourglass array and (d) resulting DCA of the thermos array.

(a)

(b)

(c)

(d)