References
G. Dergham, D. Sipp, J.-C. Robinet, and A. Barbagallo. Model reduction for fluids using frequential snapshots. Physics of Fluids, 23(6):064101, 2011.
Miloš Ilak, Shervin Bagheri, Luca Brandt, Clarence W. Rowley, and Dan S. Henningson. Model reduction of the nonlinear complex Ginzburg–Landau equation. SIAM J. on Applied Dynamical Systems, 9(4):1284–1302, 2010.
Alberto Padovan, Samuel E Otto, and Clarence W Rowley. Analysis of amplification mechanisms and cross-frequency interactions in nonlinear flows via the harmonic resolvent. Journal of Fluid Mechanics, 2020.
Alberto Padovan and Clarence W. Rowley. Analysis of the dynamics of subharmonic flow structures via the harmonic resolvent: application to vortex pairing in an axisymmetric jet. Phys. Rev. Fluids, 7:073903, Jul 2022.
Norman M. Wereley. Analysis and control of linear periodically time varying systems. PhD thesis, Massachusetts Institute of Technology, 1991.