ALOS_pre_process

Synopsis

ALOS_pre_process imagefile LEDfile [-near near_range] [-radius RE] [-swap] [-V] [-debug] [-quiet] …

Description

ALOS_pre_process creates .raw format data and writes out parameters in .PRM format

Required Arguments

imagefile

ALOS Level 1.0 complex file (CEOS format):

LEDfile

ALOS Level 1.0 LED file (CEOS leaderfile format):

Optional Arguments

-near near_range

Specify the near_range (m)

-radius RE

Specify the local earth radius RE (m)

-swap

Do byte-swap (should be automatic)

-nodopp

Does not calculate doppler (sets fd1 to zero!)

-npatch

Set the number of patches

-fd1 DOPP

Sets doppler centroid [fd1] to DOPP

-quad

Adjust parameters for quad pol mod (PRF/2)

-ALOSE

Use ERSDAC format

-ALOS

Use AUIG format (default)

-LED

Write GMTSAR generic LED format output and update PRM (default)

-noLED

Do not write GMTSAR generic LED format output

-roi

Write roi_pac format output

-V

Verbose write information)

-debug

Write even more information

-quiet

Don’t write any information

-force_slope chirp_slope

Force a value for the chirp_slope

-chirp_ext chirp_ext

Force a value for the chirp extension chirp_ext (integer)

-tbias tbias

Correct the clock bias tbias (positive value means plus)

Example

ALOS_pre_process  IMG-HH-ALPSRP050420840-H1.0__A  LED-ALPSRP050420840-H1.0__A