Sentinel-1 Toolbox使用-1
解壓zip
File—Open Product---zipS1A_IW_GRDH_1SSV_...SAFE
A0.Sentinel-1
Slice Assembly(多極化數據2017)GUI path:Radar—Sentinel-1 TOPS—S1 Slice
Assembly
Input:
Output:
Processing parameters:
Polarisations VV
A1.採用軌道文件
Input:
S1A_IW_GRDH_*Output: S1A_IW_GRDH_*_Orb
處理參數設置：
Orbit State Vectors: Sentinel Restituted (Auto Downlaod)
Check「Do not fail if new orbit file is not found」
自動下載的衛星軌道數據存儲在文檔
C:UsersAdministrator.snapauxdataOrbitsSentinel-1POEORB
A2.Calibrate
GUIpath: Radar—Radiometrc—Calibrate
Input:S1A_IW_GRDH_*_Orb
Output:1A_IW_GRDH_*_Orb_Cal
Check「Output Sigma0 band」
A3.
多視處理
GUI：Radar—multilooking
Input: S1A_IW_GRDH_*_Orb_Cal
Output:S1A_IW_GRDH_*_Orb_Cal_ML
處理參數設置:
Check「GR Square Pixel」
Numberof Range Looks: 2
Numberof Azimuth Looks: 2
A4.
Terrain Correction GeocodingRadar---Geometric--- Terrain Correction--- Range-Doppler Terrain Correction
Input: S1A_IW_GRDH_*_Orb_Cal_ML
Output:S1A_IW_GRDH_*_Orb_Cal_ML_TC
Processing parameters:
Pixel Spacing (m): 20
Map Projection: WGS84(DD)
A5.Subset
GUI:Raster---Subset
Input:S1A_IW_GRDH_*_Orb_Cal_ML_TC
Output:S1A_IW_GRDH_*_Orb_Cal_ML_TC_subset
參數設置:
Geo Coordinates Menu:
North latitude bound: 25.492
West longitude bound: 102.234
South latitude bound: 24.508
East longitude bound: 103.288
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