Minimize EW GRD Resolutions

EW GRD High Resolution product characteristics per beam mode are:

Beam ID EW1 EW2 EW3 EW4 EW5
Spatial Resolution rg x az (m) 49.1x51.5 50.3x51.1 50.4x51.3 50.7x51.1 51.4x51.5
Pixel spacing rg x az (m) 25x25 25x25 25x25 25x25 25x25
Incidence angle (°) 23.7 30.9 36.2 40.9 44.5
Equivalent Number of Looks (ENL) 2.8 2.7 2.7 2.7 2.7
Radiometric resolution 2.0 2.1 2.1 2.1 2.1
Range look bandwidth (MHz) 8.9 6 5.2 4.5 4.2
Azimuth look bandwidth (Hz) 155 154 151 149 154
Range Hamming weighting coefficient 0.60 0.70 0.72 0.75 0.75
Azimuth Hamming weighting coefficient 0.60 0.61 0.62 0.63 0.60


EW GRD High Resolution product characteristics common to all beams are:

Product ID EW_GRD_HR
Pixel value Magnitude detected
Coordinate system Ground range
Bits per pixel 16
Polarisation options single (HH or VV) or Dual (HH+HV or VV+VH)
Ground range coverage (km) 410
Absolute location accuracy (m) (NRT) Not specified
Number of looks (range x azimuth) 3 x 1
Look overlap (range x azimuth) 0.250 x 0.000


EW GRD Medium Resolution product characteristics per beam mode are:

Beam ID EW1 EW2 EW3 EW4 EW5
Spatial Resolution rg x az (m) 90.9x90.1 93.1x89.4 93.3x86.9 93.8x86.5 95.1x90.1
Pixel spacing rg x az (m) 40x40 40x40 40x40 40x40 40x40
Incidence angle (°) 23.7 30.9 36.2 40.9 44.5
Equivalent Number of Looks (ENL) 15.2 9.7 9.6 9.5 9.6
Radiometric resolution 1.0 1.2 1.2 1.2 1.2
Number of looks (range x azimuth) 6 x 3 6 x 2 6 x 2 6 x 2 6 x 2
Range look bandwidth (MHz) 4.8 3.3 2.8 2.4 2.2
Azimuth look bandwidth (Hz) 88.5 87.9 86.2 85.3 88.2
Range Hamming weighting coefficient 0.60 0.70 0.72 0.75 0.75
Azimuth Hamming weighting coefficient 0.60 0.61 0.62 0.63 0.60


EW GRD Medium Resolution product characteristics common to all beams are:

Product ID EW_GRD_MR
Pixel value Magnitude detected
Coordinate system Ground range
Bits per pixel 16
Polarisation options single (HH or VV) or Dual (HH+HV or VV+VH)
Ground range coverage (km) 410
Absolute location accuracy (m) (NRT) Not specified
Look overlap (range x azimuth) 0.275 x 0.250