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Table 1 Influence of a chirp modulation on N w μ w 2

From: Universal and efficient compressed sensing by spread spectrum and application to realistic Fourier imaging techniques

Sparsity basis Dirac Fourier
N w μ w 2 at w ̄ =0 1.00 1.02 × 103
N w μ w 2 at w ̄ =0.10 2.58 1.54 × 101
N w μ w 2 at w ̄ =0.25 3.15 6.95
N w μ w 2 at w ̄ =0.50 3.46 4.13