第三章讨论了不变子空间、奇异子空间对和收缩子空间对的扰动。
In the third chapter, the perturbation of invariant subspace, singular subspaces and deflating subspaces are discussed.
子空间系统辨识方法确定系统的阶次是由可观测矩阵的非零奇异值来决定。
The system order is decided by non-zerosingular values of the observation matrix in the subspace state space systemidentification method.
用奇异值分解界定信号和噪声子空间的困难之处，在于有效秩的确定。
A general difficulty of using singular value decomposition (SVD) to split signal and noise subspaces is in the right choice of effective rank.
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