Sentinel-1 Toolbox使用-1

解压zip

File—Open Product---\zip\S1A_IW_GRDH_1SSV_...SAFE

A0.Sentinel-1 Slice Assembly(多极化数据2017)

GUI path:Radar—Sentinel-1 TOPS—S1 Slice
Assembly

Input:

Output:

Processing parameters:

Polarisations VV

A1.采用轨道文件

Input:S1A_IW_GRDH_*

Output: S1A_IW_GRDH_*_Orb

处理参数设置：

Orbit State Vectors: Sentinel Restituted (Auto Downlaod)

Check“Do not fail if new orbit file is not found”

自动下载的卫星轨道数据存储在文档

C:\Users\Administrator\.snap\auxdata\Orbits\Sentinel-1\POEORB

A2.Calibrate

GUIpath: Radar—Radiometrc—Calibrate

Input:S1A_IW_GRDH_*_Orb

Output:1A_IW_GRDH_*_Orb_Cal

Check“Output Sigma0 band”

A3.
多视处理

GUI：Radar—multilooking

Input: S1A_IW_GRDH_*_Orb_Cal

Output:S1A_IW_GRDH_*_Orb_Cal_ML

处理参数设置:

Check“GR Square Pixel”

Numberof Range Looks: 2

Numberof Azimuth Looks: 2

A4.
Terrain Correction Geocoding

Radar---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

参数设置:

Geo Coordinates Menu:

North latitude bound: 25.492

West longitude bound: 102.234

South latitude bound: 24.508

East longitude bound: 103.288