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Table 2 Singular values and spectrum conditions of K

From: A stable realization of apodization filtering applied to noise SAR and SAR range sidelobe suppression

Noise SAR Filter length 300 600 900 1200 1500 1800 2100 2400 2700 3000
  σ max 14.02 17.46 18.19 20.03 19.58 20.26 20.21 20.77 20.35 20.86
  σmin (10-10) 3.78 1.73 1.55 0.92 0.69 0.65 0.48 0.43 0.37 0.36
  κ(K) (1010) 3.71 10.09 11.73 21.77 28.38 31.17 42.10 48.30 54.86 57.93
General SAR Filter length 300 400 500 600 700 800 900 1000 1100 1200
  σ max 22.57 23.19 23.55 23.76 23.91 23.99 24.07 24.12 24.16 24.19
  σmin (10-10) 1.87 1.73 1.65 1.54 1.38 1.31 1.26 1.20 1.11 1.07
  κ(K) (1010) 12.07 13.40 14.27 15.42 17.33 18.31 19.10 20.10 21.76 22.61