Adaptive Beamforming Based on Complex Quaternion Processes

Figure 2

The performance of the CQLMS beamformer for 𝛽=0.9 and 𝜇=0.1, 𝜇=0.4, 𝜇=0.8.

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

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