Research on Multi-Target Acoustic Localization Algorithm Based on SRP

The acoustic positioning of target space position is generally determined by TDOA (time difference of arrival). However, in the face of the problem of multiple goals acting simultaneously or successively in a very short time, the calculation effect of this method is not good. To solve this test problem, a localization algorithm based on SRP (Steered response power) is proposed, which can make full use of the sparsity of sound field space and combine acoustic signal and sound field propagation model to improve the localization performance. Simulation and experiment show that this method can solve the problem of multi-target positioning well.