physically realizable system造句

Martin founded Martin Analysis Software Technology Company following retirement; and contracted with the Navy for high-resolution beamforming with generalized eigenvector / eigenvalue ( GEVEV ) digital signal processing from 1985 through 1987 and for personal computer aided engineering ( PC CAE ) of underwater transducers and arrays from 1986 through 1989 . Martin published an expanded theory of matrices in 2012 entitled " A New Approach to Matrix Analysis, Complex Symmetric Matrices, and Physically Realizable Systems ".
It's difficult to find physically realizable system in a sentence. 用physically realizable system造句挺难的