搜索结果: 1-15 共查到“摄影测量与遥感技术 INSAR”相关记录54条 . 查询时间(0.079 秒)
多时相InSAR技术具有探测大范围毫米级地表形变的能力，已被广泛应用于地面沉降监测。近几年，应用多时相InSAR技术监测以高铁为代表的大尺度人造线状地物形变备受关注。本文将C波段SAR数据用于高铁沿线路基形变监测，应用相位稳定性分析和改进的StaMPS技术来增加相干性点的密度和形变参数解算的稳定性。采用研究区时间跨度为21个月的47景Sentinel-1A数据，对连（云港）盐（城）高铁及其沿线区域...
我国首套自主知识产权超算InSAR系统实现全国地表形变监测（图）
自主知识产权 超算 InSAR系统 地表形变监测
2020/12/16
近日，中国科学院空天信息创新研究院王超研究员团队与计算技术研究所尤海航研究员团队，成功研制了我国首套自主知识产权的超算合成孔径雷达干涉测量（InSAR）系统，首次实现了全国尺度地表形变InSAR制图。地球表面因受地球内外动力的驱动，一直不停地运动和变化，从秒级的地震破裂到数十年甚至更长时间的断层蠕变，造成的地质灾害威胁着人类生命和财产安全。我国作为受地质灾害影响最严重的国家之一，地质灾害造成的损失...
THE CORRELATION ANALYSIS OF SUBSIDENCE MONITORING BY D-INSAR AND THE CHANGE OF URBAN CONSTRUCTION LAND
DInSAR subsidence interferometry correlation
2017/7/12
The change of urban construction land affect the subsidence directly or indirectly, the method of D-InSAR has centimeter level or even millimeter accuracy that can provide a reliable and accurate data...
LANDSLIDE MONITORING USING INSAR TIME-SERIES AND GPS OBSERVATIONS, CASE STUDY: SHABKOLA LANDSLIDE IN NORTHERN IRAN
Landslide InSAR Time Series GPS ALOS
2017/7/13
Shabkola is a village located in Mazandaran province of northern Iran that suffers from the mass movement happening in the upstream. Deforestation and changes to land use are the main reasons for the ...
LAND SUBSIDENCE MONITORING USING PS-InSAR TECHNIQUE FOR L-BAND SAR DATA
Differential Interferometric synthetic (D-InSAR) Persistent Scatterer Interferometry Levelling Anthropogenic targets
2016/11/24
Differential SAR-Interferometry (D-InSAR) is one of the potential source to measure land surface motion induced due to underground coal mining. However, this technique has many limitation such as atmo...
SENTINEL-1 INSAR PROCESSING OF CORNER REFLECTOR INFORMATION IN THE NORTHERN-BOHEMIAN COAL BASIN
Sentinel-1 corner reflector InSAR mining area subsidence landslides
2016/11/24
The mining area previously monitored by TerraSAR-X InSAR is now monitored by Sentinel-1 InSAR. Although the processing of the IWS (TOPS) mode requires additional processing steps and the coregistratio...
BASELINE ESTIMATION ALGORITHM WITH BLOCK ADJUSTMENT FOR MULTI-PASS DUAL-ANTENNA INSAR
InSAR Baseline Estimation Phase Offset Block Adjustment Tie Point Ground Control Point
2016/11/23
Baseline parameters and interferometric phase offset need to be estimated accurately, for they are key parameters in processing of InSAR (Interferometric Synthetic Aperture Radar). If adopting baselin...
TOWARDS INSAR EVERYWHERE, ALL THE TIME, WITH SENTINEL-1
Sentinel-1 TOPS InSAR ECMWF Tectonics Volcanoes
2016/11/8
Sentinel-1A was launched in April 2014, and has been collecting data routinely over more than one year. Sentinel-1B is set for launch on 22 April 2016. The Sentinel-1 constellation has several advanta...
APPLICATION OF TIME SERIES INSAR TECHNIQUE FOR DEFORMATION MONITORING OF LARGE-SCALE LANDSLIDES IN MOUNTAINOUS AREAS OF WESTERN CHINA
Large-scale Landslide Western China InSAR Small Baseline InSAR Time Series Deformation Monitoring
2016/7/4
Western China is very susceptible to landslide hazards. As a result, landslide detection and early warning are of great importance. This work employs the SBAS (Small Baseline Subset) InSAR Technique f...
THE IMPLEMENTATION AND ANALYSIS OF KALMAN FILTER PHASE UNWRAPPING ALGORITHM OF INSAR
InSAR Phase unwrapping Kalman filter Noise reduction Algorithm implementation Result analysis
2016/3/17
Phase unwrapping is the difficulty and hotspot in research because it is the key step in InSAR. The general phase unwrapping methods need usually use some filtering algorithms to eliminate noise first...
Building recognition based on airborne and space borne InSAR data
SAR interferometry building reconstruction airborne and space borne data
2016/1/25
Because of its independence of time of day and its all weather capability, synthetic aperture radar (SAR) has become a key remote
sensing technique in the last decades. In the past, spatial resoluti...
THE EFFECT OF SPECKLE REDUCTION ON COHERENCE ESTIMATION AND INTERFEROMETRIC PHASE OF INSAR
SPECKLE REDUCTION COHERENCE ESTIMATION INTERFEROMETRIC PHASE OF INSAR
2015/12/30
Synthetic aperture radar (SAR) images always suffer from strongly speckle noise, which is a great obstacle to coherence (or correlation coefficient) estimation and interferometric phase, furthermore h...
ENVIRONMENTAL IMPACT ASSESSMENT OF MINING RELATED DEWATERING ACTIVITIES USING INTEGRATED INSAR,OPTICAL REMOTE SENSING AND PUMPING DATA
Interferometric SAR EIA Subsidence Dewatering Mining
2015/12/30
Open pit mining sometimes intercepts highly permeable zones, with resulting high inflows of water into the excavation area. This remains a major problem in the mining industry and requires constant mo...
STUDY ON RELATION BETWEEN INSAR COHERENCE AND SOIL MOISTURE
Coherence Soil moisture InSAR Interferometry De-correlation
2015/12/30
Coherence is an important parameter to measure InSAR data quality in repeat-pass interferometry and soil moisture change can cause de-correlation. Relation between coherence and soil moisture was exam...
DETECTING GROUND SETTLEMENT OF SHANGHAI USING INTERFEROMETRIC SYNTHETIC APERTURE RADAR (INSAR) TECHNIQUES
Hazard Mapping Land Subsidence Deformation Analysis SAR InSAR DInSAR PSInSAR
2015/12/30
Differential (D) and persistent scatterer (PS) interferometric synthetic aperture radar (InSAR) (DInSAR and PSInSAR) techniques are arguably the most cost effective and efficient methods today for gro...