Application of the Levenberg-Marquardt Scheme to the MUSIC Algorithm for AOA Estimation

Figure 2

Initial azimuth angles and the initial elevation angles resulting in the global convergence for various radii at SNR = 4 dB.

(a) 𝑟=0.2𝜆

(b) 𝑟=0.4𝜆

(c) 𝑟=0.6𝜆

(d) 𝑟=0.8𝜆