Exact CS Reconstruction Condition of Undersampled Spectrum-Sparse Signals

Figure 2

Experiment for validation of Theorem 3. (a) The spectrum of the signal 𝑥(𝑡) with Nyquist sampling rate; (b) the spectrum of the reconstructed signal by CS; (c) the comparison of 𝑥(𝑡) and the reconstructed signal in time domain.

(a)

(b)

(c)