Adaptive Beamforming Based on Complex Quaternion Processes

Figure 6

The performance of the QLMS beamformer for 𝛽=0.9 and 𝜇=0.01, 𝜇=0.005, 𝜇=0.003.

(a) The norm of weight vector versus iteration number 𝑛

(b) The cost function 𝐽(𝑛) versus iteration number 𝑛