Stability of frames generated by nonlinear Fourier atoms
In this paper, we study the stability of two kinds of frames generated by nonlinear Fourier atoms. The first result is the Kadec type 1/4-theorem. The second states that the nonlinear windowed Fourier atoms form a frame of L-2 (R).
nonlinear fourier atoms kadec type 1/4-theorem weyl-heisenberg frame