Robust Centered Element Concentric Circular Antenna Array with Low Side Lobe Using Variable Loading and Tapering Windows in the Presence of Array Imperfections

Figure 9

Normalized 3D output power patterns of (a) uniform tapered, (b) Triangular tapered, (c) Hamming tapered, and (d) Hanning tapered MVDR CECCAA beamformers with the variation of azimuth angle and elevation angle.

(a)

(b)

(c)

(d)