Fig. 9From: Design of robust high-order superdirectivity for circular arrays with sensor gain and phase errorsComparison of the loading variable factors method and the higher-order truncation method. a Total directivity index and b total sensitivity function 10 lg(T sf) of the three beamformers. Beam patterns of the HOT method and the LVF method with c δ 0=20 dB, and d δ 0=23 dBBack to article page