Please contact me via mail [email protected] I can provide You some .m files

     Regards

      Chrsi

See the similar post of RG

https://www.researchgate.net/publication/263507670_COMPARISON_BETWEEN_CLASSICAL_AND_MODERN_METHODS_OF_DIRECTION_OF_ARRIVAL_%28DOA%29_ESTIMATION

Article COMPARISON BETWEEN CLASSICAL AND MODERN METHODS OF DIRECTION...

This paper for me and I am question about this method before published this paper.

Dear Khalaf,

The music function aims at minimising the following cost function:

P_music(\theta) = ||u_1^H x a(\theta)||^2  +  ||u_2^H x a(\theta)||^2 + ... +  ||u_{N-q}^H x a(\theta)||^2 where u_1 u_2 till u_{N-q} are the eigenvectors corresponding to the smallest N-q eigenvalues L1 < L2 < .. L_{N-q} of data covariance matrix of size N and q being the number of sources.

EV is a weighted version of MUSIC weighting each term above of the form ||u_j^H x a(\theta)||^2 as follows  (1/Lj) ||u_j^H x a(\theta)||^2.

So minimising the above term is more reliable when weights are assigned, i.e. the smallest eigenvalues count more than larger ones, i.e. small eigenvalues are more reliable than large ones.