EFFECTS OF THE ATMOSPHERIC COMPONENT IN THE PHASE UNWRAPING OF THE SAR INTERFEROGRAMS

Ref.No: 95029600
Start date: 29.09.2023
End date: 30.06.2024
Approval date: 29.09.2023
Department: RURAL & SURVEYING ENGINEERING
Sector: TOPOGRAPHY SCOPE
Financier: ΤΑΜΕΙΑΚΑ ΥΠΟΛΟΙΠΑ, AUTOHRIMATODOTOUMENA
Budget: 2.968,42 €
Public key: 94ΖΟ46ΨΖΣ4-ΓΟΙ
Scientific Responsible: Prof. KARATHANASI
Email: karathan@survey.ntua.gr
Description: IN THIS PROJECT WE WILL EVALUATE THE EFFECTS OF ATMOSPHERIC DELAYS IN PHASE UNWRAPPING AND WILL EXAMINE IF THE CORRECTION OF ATMOSPHERIC DELAYS PRIOR TO PHASE UNWRAPPING CAN LEAD TO THE REDUCTION OF UNWRAPPING ERRORS. WE WILL CALCULATE THE ATMOSPHERIC DELAY WITH FOUR METHODS: (I) EMPLOYING THE ERA5 NUMERICAL WEATHER MODEL, (II) EXPLOITING THE PHASE – HEIGHT LINEAR CORRELATION, (III) UTILIZING THE PYAPS SOFTWARE, AND (IV) USING THE GENERIC ATMOSPHERIC CORRECTION ONLINE SERVICE (GACOS).
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