Minimize IW GRD Resolutions

IW GRD High Resolution product characteristics per beam mode are:

Beam ID IW1 IW2 IW3
Spatial Resolution rg x az m 20.4x22.5 20.3x22.6 20.5x22.6
Pixel spacing rg x az m 10x10 10x10 10x10
Incidence angle ° 32.9 38.3 43.1
Equivalent Number of Looks (ENL) 4.4 4.3 4.3
Radiometric resolution 1.7 1.7 1.7
Range look bandwidth MHz 14.1 12.1 10.7
Azimuth look bandwidth Hz 315 301 301
Range Hamming weighting coefficient 0.70 0.73 0.75
Azimuth Hamming weighting coefficient 0.70 0.75 0.75


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

Product ID IW_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 251.8
Absolute location accuracy m (NRT) 7
Number of looks (range x azimuth) 5 x 1
Look overlap (range x azimuth) 0.25 x 0.00


IW GRD Medium Resolution product characteristics per beam mode are:

Beam ID IW1 IW2 IW3
Spatial Resolution rg x az m 87.9x90.2 87.8x90.6 88.7x90.3
Pixel spacing rg x az m 40x40 40x40 40x40
Incidence angle ° 32.9 38.3 43.1
Equivalent Number of Looks (ENL) 83.9 81.2 80.5
Radiometric resolution 0.4 0.5 0.5
Range look bandwidth MHz 3.3 2.8 2.5
Azimuth look bandwidth Hz 78 74 74
Range Hamming weighting coefficient 0.70 0.73 0.75
Azimuth Hamming weighting coefficient 0.70 0.75 0.75


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

Product ID IW_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 251.8
Absolute location accuracy m (NRT) 7
Number of looks (range x azimuth) 22 x 5
Look overlap (range x azimuth) 0.225 x 0.250