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