Control Effort Strategies for Acoustically Coupled Distributed Acoustic Nodes

Figure 12

(a) Power spectrum of the error signal for the ANC off and attenuation reached by the (b) l-DMEFxLMS algorithm, (c) clipping l-DMEFxLMS algorithm, and (d) rescaling l-DMEFxLMS algorithm compared to (a) at the best node of the four-node WASN.

(a)

(b)

(c)

(d)