Signal Processing, Spectral Analysis, Ante, Linear Algebra, Eigenvectors.
Bresler and Macovksi were able to come up with lower and upper bound limits on the number of signals resolvable by a ULA [22]. The ULA resolvability bound was found to be: Equation 24 With ρ^ₛ ≤ M-1, ρₘax=0. Where M is the number of sensors in the array and ρ^ₛ is the estimated rank of the signal