ENVI_pre_process

Synopsis

ENVI_pre_process <name_stem> <near_range> <earth_radius> <num_patches> [Doppler]

Description

ENVI_pre_process will digest Envisat formatted data

Required Arguments

name_stem

Filename of the .baq file

near_range

Near range (in meters) of the SAR image (put 0 if use default value)

earth_radius

Local earth radius (in meters) (put 0 if use default value)

num_patch

Number of patches (put 0 if use default value)

Doppler

Doppler value (blank if use default value)

earth_radius

Local earth radius (in meters) (put 0 if use default value)

Example

ENVI_pre_process ENV1_2463_2943_15046 978992.922 6378000 5

This command will preprocess raw Envisat ASAR data ‘ENV1_2463_2943_15046.baq’ then output parameter file ‘ENV1_2463_2943_15046.PRM’ and raw data file ‘ENV1_2463_2943_15046.raw’ and LED file ‘ENV1_2463_2943_15046.LED’ with near range close to 978992.922 meters and earth radius 6378000 meters and 5 patches