Compressing Sensing Based Source Localization for Controlled Acoustic Signals Using Distributed Microphone Arrays

Algorithm 1

The main steps of the improved block sparse reconstruction algorithm based on approximate norm minimization (IBAL0).

Input: Measurement vector y and dictionary H.

Initialization:

() set ; set and .

() choose a suitable decreasing sequence .

Iteration:

for :

(i) let , ;

(ii) solving by FR algorithm:

() compute according to (22);

() compute according to (21);

() project back onto the feasible set:

end for

Output: .