About Target_length_across_beams
Target_length_across_beams is a single target data export variable.
It reports the estimated target length across beams for each single target exported. Target_length_across_beams can be calculated when the multibeam target detection operator is used to create a multibeam targets variable and Target length across beams is selected on the Target page of the Variable Properties dialog box.
See also
About Target properties
Target properties from multibeam data