Research Article

On Calibration and Direction Finding with Uniform Circular Arrays

Table 6

Estimated AoAs under global and local array calibration. The setup is a single source (25°) and a coherent dual source (−30°, 25°) scenario.

EstimatorCalibrationSingle SourceDual Source
°°°

ESPRITglobal
root-MUSICglobal
IQMLglobal
root-Caponglobal
Capon-1global
Bartlettglobal
MUSIC-1global
CMLglobal
UMLglobal
MODEglobal
Capon-2global
MUSIC-2global
Capon-1local
Bartlettlocal
MUSIC-1local
CMLlocal
UMLlocal
MODElocal
Capon-2local
MUSIC-2local