---
name: "phasediff"
section: "1"
platform: "linux"
package: "gmtsar-core"
version: "6.5+ds-3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/phasediff"
---

# phasediff(1)

phasediff

## NAME

phasediff - phasediff

## SYNOPSIS

**phasediff** *ref.PRM rep.PRM* \[*-topo topo\_ra.grd*\] \[*-model modelphase.grd*\] \[*-imag imag.grd*\] \[*-real real.grd*\]

## DESCRIPTION

This program is part of GMTSAR.

-

  phasediff \[GMTSAR\] - Compute phase difference of two images

(topo\_ra and model in GMT grd format)

Usage: phasediff ref.PRM rep.PRM \[-topo topo\_ra.grd\] \[-model modelphase.grd\] \[-imag imag.grd\] \[-real real.grd\] (topo\_ra and model in GMT grd format)