A Novel Subspace Decomposition with Rotational Invariance Technique to Estimate Low-Frequency Oscillatory Modes of the Power Grid

<div>Computational time for different estimation algorithm: (a) computational time with SNR 30 dB and (b) computational time with SNR 10 dB.</div>

Journal of Electrical and Computer Engineering

Figure 6: A Novel Subspace Decomposition with Rotational Invariance Technique to Estimate Low-Frequency Oscillatory Modes of the Power Grid 