Algorithm

ESPRIT signal subspace and rotational invariance

ESPRIT signal subspace and rotational invariance
  1. What is Esprit algorithm?
  2. How does music algorithm work?

What is Esprit algorithm?

The ESPRIT algorithm assumes that an antenna array is composed of two identical subarrays (see Figure ). The subarrays may overlap, that is, an array element may be a member of both subarrays. If there are a total of M elements in an array and m. elements in each subarray, the overlap implies that. M ≤ 2m.

How does music algorithm work?

The basic idea of MUSIC algorithm is to conduct characteristic decomposition for the covariance matrix of any array output data, resulting in a signal subspace orthogonal with a noise subspace corresponding to the signal components.

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