For DEM-generation high coherence is needed, say 0.75 and above. Even with perfect coherence the DEM will still suffer from distortion caused by atmospheric artefacts. These artefacts can be mitigated by averaging many generated DEMs.
For DEM-generation high coherence is needed, say 0.75 and above. Even with perfect coherence the DEM will still suffer from distortion caused by atmospheric artefacts. These artefacts can be mitigated by averaging many generated DEMs.