Figure 2
From: Spectral function modulation based on nonlinear frequency division multiplexing
System setup which is used to verify spectral function modulation with two eigenvalues. (a) NFDM transmission system based on eigenvalue and spectral function modulation; (b) Designed eigenvalues and spectral functions in Tx DSP; (c) Correspondence of electrical pulse waveform in time domain and nonlinear frequency on the discrete spectrum.
