Table 1: DOA estimation with 2D ESPRIT algorithm.

Array Array Array

Real angle/°F22-1(9.25, −5.84)(39.99, 139.28)(15.07, −67.31)
F22-2(5.41, 2.46)(12.85, 23.66)(8.67, −19.22)

Estimated angle/°(5.14, 2.49)(40.02, 139.28)(14.99, 112.65)
(9.69, 174.12)(12.63, 23.69)(8.58, 160.79)