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Water With High SAR

Flooding Water Depth Estimation with High Resolution SAR

Flooding Water Depth Estimation with High Resolution SAR

... of SAR data sets: one post-event SAR image for water extension and level and one more SAR image for each new estimation of flow ...the water level with centimetric error and the flow ...

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Applications of Synthetic Aperture Radar (SAR)/ SAR Interferometry (InSAR) for Monitoring of Wetland Water Level and Land Subsidence

Applications of Synthetic Aperture Radar (SAR)/ SAR Interferometry (InSAR) for Monitoring of Wetland Water Level and Land Subsidence

... measuring water level changes in wetlands. In the Everglades, high backscatter of radar altimetry is returned from higher water level, when the altitude of satellite is ...observing SAR ...

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High-spatial-resolution mapping of precipitable water vapour using SAR interferograms, GPS observations and ERA-Interim reanalysis

High-spatial-resolution mapping of precipitable water vapour using SAR interferograms, GPS observations and ERA-Interim reanalysis

... In- SAR and MERIS 1 PWV maps demonstrates strong spatial correlation with a less than 2 mm standard deviation of differ- ...small-scale water vapour ...of water vapour maps to enhance the accuracy of ...

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Assessment of high resolution SAR imagery for mapping floodplain water bodies: a comparison between Radarsat-2 and TerraSAR-X

Assessment of high resolution SAR imagery for mapping floodplain water bodies: a comparison between Radarsat-2 and TerraSAR-X

... There are several key studies of the application of radar for the detection of flooded areas. Brivio et al. (2002) used two ERS-1 images, one acquired one month before the studied flood, which occurred in the Piemonte ...

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Water vapour distribution at urban scale using high-resolution numerical weather model and spaceborne SAR interferometric data

Water vapour distribution at urban scale using high-resolution numerical weather model and spaceborne SAR interferometric data

... a high resolution NWP is tailored for correctly reproducing the meteorological field at the high resolution, therefore the previous comparison be- tween the MM5 low resolution and ECMWF is obviously highly ...

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On the feasibility of the use of wind SAR to downscale waves on shallow water

On the feasibility of the use of wind SAR to downscale waves on shallow water

... 15 high-resolution wind fields, estimated from satellite SAR acquired between December 2011 and April 2012 corresponding to transient occurrences of the main wind regimes with a typical duration of several ...

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Advanced stacking techniques and applications in high resolution SAR interferometry

Advanced stacking techniques and applications in high resolution SAR interferometry

... certain drawbacks however as follows. First, the interferograms are spatially filtered before the stacking to enhance the Signal to Noise Ratio (SNR) (Zebker and Villasenor, 1992). This results not only in a reduction of ...

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Techniques and Applications for Satellite SAR Altimetry over water, land and ice

Techniques and Applications for Satellite SAR Altimetry over water, land and ice

... from SAR altimetry, experts have already demonstrated that the sea level wave number spectra from SAR altimetry don not show the typical “hump” of spectral energy characteristic of the pulse-limited ...

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Glacial lake mapping with very high resolution satellite SAR data

Glacial lake mapping with very high resolution satellite SAR data

... We reported on the use of very high resolution satellite SAR data for reliable and robust glacial lake mapping. Dur- ing the data interpretation, confusion with wet snow and wet sand areas has to be taken ...

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Evaluation of insar dem from high-resolution spaceborne sar data

Evaluation of insar dem from high-resolution spaceborne sar data

... space-borne SAR sensors such as German TerraSAR-X (TSX) and Italian COSMO-SkyMed, which feature high-resolution mapping capability in the scale of one meter or even ...repeat-pass SAR data ...

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Assimilating SAR derived water level data into a hydraulic model: a case study

Assimilating SAR derived water level data into a hydraulic model: a case study

... RSD water stage data us- ing a Monte Carlo-based statistical ...the SAR de- rived ...of water elevation data from remote sensing ...a SAR image using a radiometric thresholding-based ...the ...

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Design of SAR Logic for Low Power High Speed SAR ADC

Design of SAR Logic for Low Power High Speed SAR ADC

... II.SAR ADC The architecture of a successive approximation ADC is shown in Figure 1. It consists of four parts as, a Sample and Hold, a Comparator, a DAC and a successive approximation register (SAR). The ...

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A Downsampled SAR BM3D Despeckling Approach for Single Look SAR Images in High Resolution

A Downsampled SAR BM3D Despeckling Approach for Single Look SAR Images in High Resolution

... for SAR images. However, when tackling with high resolution SAR images, it often has an unsatisfy- ing despeckling performance in the homogeneous smooth regions, together with a high time ...

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A RAPID METHOD FOR WATER TARGET EXTRACTION IN SAR IMAGE

A RAPID METHOD FOR WATER TARGET EXTRACTION IN SAR IMAGE

... the SAR image do not obey the rule of projection but the rule of time of flight, and the SAR image data is most sensible on the geometric character of the surveyed object, not only on the macroscopical ...

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Registration of very high resolution SAR and optical images

Registration of very high resolution SAR and optical images

... the SAR slant- range image ...this SAR image corresponding to Oslo city center can be seen in Figure 5, together with the co-registered aerial optical ...

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Characterization of Facade Regularities in High-Resolution SAR Images

Characterization of Facade Regularities in High-Resolution SAR Images

... Regular arrangements of facade structures such as window or balcony corners are often related to signature regularities in the respective layover area in high-resolution SAR images. By exploiting this ...

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Automatic interpretation of high resolution SAR images: first results of SAR image simulation for single buildings

Automatic interpretation of high resolution SAR images: first results of SAR image simulation for single buildings

... of high resolution SAR images with simulated radar images using a LiDAR DSM has been ...simulated SAR image and the real SAR image and used for matching of the ...in SAR image. Special ...

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Model-Based Interpretation of High-Resolution SAR Images of Buildings

Model-Based Interpretation of High-Resolution SAR Images of Buildings

... Let us consider the structure of the Alte Pinakothek. A better aerial view of this building is given in Figure 3. It is quite evident that its structure exhibits a symmetric footprint. On the corresponding SAR ...

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Multichannel Staggered SAR for High-Resolution Wide-Swath Imaging

Multichannel Staggered SAR for High-Resolution Wide-Swath Imaging

... (Staggered SAR) ...neuer SAR-Techniken und der zugehörigen Signalverarbeitungsverfahren, die die Vorteile der digitalen Strahlformung in Azimut mit den Vorteilen des Staggered SAR ...leistungsfähige ...

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Design of High Speed Split SAR ADC With Improved Linearity

Design of High Speed Split SAR ADC With Improved Linearity

... sufficiently high, this circuit will provide a constant dc offset but if the op amp gain is not sufficiently high, nonlinearities in the operational amplifier will introduce small nonlinearities in the ...

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