Value Added Products: TerraSAR-X Enhanced and Geoinformation Products
TanDEM-X的设计和发射
TanDEM-X Programme and Mission
10 Company CONFIDENTIAL
TerraSAR基本影像产品
hsatellite
星下轨迹
Nadir track
Θ1=2
0o
星下轨迹
Nadir track
Θ2=4
5o
旋转中心
Centre of rotation
• • • •
主控相位阵列天线Active Phased Array Antenna 单,双,全极化方式Single, Dual & Quad Polarization 256G存储容量256 Gbit Mass Memory 300兆/秒X波段下传速度300 Mbit/s Downlink in X-Band
星下轨迹
Nadir track
旋转中心
Centre of rotation
8 Company CONFIDENTIAL
TerrraSAR影像模式:运行灵活性
Imaging Modes of TerraSAR-X: Operational Flexibility
电磁波束控制Electronic beam steering:
确认Identification
识别Recognition
发现Detection
TerraSAR-X的性能
TerraSAR-X Capability 5 Company CONFIDENTIAL
TerraSAR影像模式
Imaging Modes of TerraSAR-X
ScanSAR
卫星轨道
Satellite orbit
SAR SAR
SAR)
11 Company CONFIDENTIAL
TerraSAR-X基本产品：L0数据
TerraSAR-X Basic Products: L0 data
SAR原始数据(L0数据) SAR Raw Data (L0 Data)
纪录的是重叠的和后向散射信号
A sum of overlapping backscattered signals
TanDEM-X的设计和发射
TanDEM-X Programme and Mission
2 Company CONFIDENTIAL
成像模式：SpotLight，StripMap和ScanSAR
Imaging Modes: SpotLight and StripMap
ScanSAR 模式ScanSAR mode
双重天线接收模式Dual receive antenna mode
沿飞行轨迹的干涉测量,地面移动目标侦测
along-track interferometry, Ground Moving Target Detection
3 Company CONFIDENTIAL
成像模式：SpotLight，StripMap和ScanSAR
100km幅宽100 km swath 18m分辨率16 m resolution
StripMap 模式StripMap mode
30km幅宽30 km swath 3m分辨率3 m resolution
高分辨率&SpotLight模式
High Resolution & SpotLightmode
5/10 km x 10 km 1m分辨率1 m resolution
Imaging Modes: SpotLight and StripMap
ScanSAR
StripMap
hsatellite
卫星轨道
Satellite orbit
SpotLight
卫星轨道
Sateห้องสมุดไป่ตู้lite orbit
卫星轨道
Satellite orbit
hsatellite
星下轨迹
Nadir track
SAR SAR
由DLR的SAR处理工具生成
Generated by DLR SAR Processing Facility (TMSP)
SAR)
由Infoterra 处理组件生成
Generated by Infoterra Processing Suite (PS)
地理信息产品Geo-Information Products 正射图(OMSAR) Orthomap (OM ) 变化监测图(CDMSAR) Change Detection Map (CDM 地表沉陷图(SUBSAR) Subsidence Map (SUB ) etc.
hsatellite
带宽Bandwidth 数据收集范围Data collection range 全效率范围Full performance range
高分辨率SpotLight模式
High Resolution SpotLight Mode
10 km x 10 km 1-4 m 取决于入射角和多极化方式 单极化 (VV or HH) 双极化 (HH/VV) 150 and 300 MHz 15° to 60° 20° to 55° 5 x 10 km
TerraSAR-X Basic Image Products
影像处理由德国宇航中心和Infoterra GmbH合作进行
Processing tasks are shared by DLR Germany and Infoterra GmbH
基本影像产品Basic Image Products CEOS Level 0数据产品:原始数据 CEOS Level 0 data products: raw data CEOS Level 1b 数据产品： CEOS Level 1b data products SSC: Single Look Slant Range Complex MGD: Multilook Ground Range Detected GEC: Geocoded Ellipsoid Corrected EEC: Enhanced Ellipsoid Corrected TerraSAR-X增值产品 TerraSAR-X Value Added Products 增强影像产品 Enhanced Image Products 正射影像(ORISAR) Orthorectified image (ORI ) 镶嵌产品(MCSAR) Mosaic (MCSAR) 定位影像(OISAR) Oriented Image (OI ) 升/降轨融合产品(ADMSAR) Ascending / Descending Merge (ADM
Imaging Modes: SpotLight , StripMap and ScanSAR Modes
TerraSAR基本产品
TerraSAR-X Basic Products
基本影像产品
Basic Image Products
增值产品：TerraSAR-X增强和地理信息产品
Value Added Products: TerraSAR-X Enhanced and Geoinformation Products
成像模式：SpotLight，StripMap和ScanSAR模式
Imaging Modes: SpotLight , StripMap and ScanSAR Modes
TerraSAR基本产品
TerraSAR-X Basic Products
基本影像产品
Basic Image Products
增值产品：TerraSAR-X增强和地理信息产品
多种极化方式Multi polarisation 双侧观测模式(星体旋转时间<5min)
Two side looking modes(roll of spacecraft < 5 min)
实时数据下载Real-Time Data Downlink
9 Company CONFIDENTIAL
内容
Contents
TerraSAR影像模式
Imaging Modes of TerraSAR-X
幅宽Swath
StripMap
标准长度Standard Scene Length 最大长度Maximum Scene Length
卫星轨道
Satellite orbit
hsatellite
空间分辨率Spatial resolution 极化方式Polarization
100 km 150 km 4,200 km technically, 1,650 km according to product specification 18 meters Single (VV or HH) 15° to 60° 20° to 45°
6 Company CONFIDENTIAL
高分辨率SAR图像分析教程
High Resolution SAR Based Imagery Analysis Course
TerraSAR-X产品介绍
Product Types from TerraSAR-X
CONFIDENTIAL Infoterra GmbH
内容
Contents
成像模式：SpotLight，StripMap和ScanSAR模式
幅宽Swath 标准长度Standard Scene Length 最大长度Maximum Scene Length
hsatellite
星下轨迹
Nadir track
空间分辨率Spatial resolution 极化方式Polarization 数据采集范围Data collection range 全效率范围Full performance range