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Journal articles on the topic 'Interferometric SAR'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Imperatore, Pasquale, Antonio Pepe, and Eugenio Sansosti. "High Performance Computing in Satellite SAR Interferometry: A Critical Perspective." Remote Sensing 13, no. 23 (2021): 4756. http://dx.doi.org/10.3390/rs13234756.

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Synthetic aperture radar (SAR) interferometry has rapidly evolved in the last decade and can be considered today as a mature technology, which incorporates computationally intensive and data-intensive tasks. In this paper, a perspective on the state-of-the-art of high performance computing (HPC) methodologies applied to spaceborne SAR interferometry (InSAR) is presented, and the different parallel algorithms for interferometric processing of SAR data are critically discussed at different levels. Emphasis is placed on the key processing steps, which typically occur in the interferometric techni

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Hou, X. X., G. M. Huang, and Z. Zhao. "Extracting DEM from airborne X-band data based on PolInSAR." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XL-7/W4 (June 26, 2015): 35–39. http://dx.doi.org/10.5194/isprsarchives-xl-7-w4-35-2015.

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Polarimetric Interferometric Synthetic Aperture Radar (PolInSAR) is a new trend of SAR remote sensing technology which combined polarized multichannel information and Interferometric information. It is of great significance for extracting DEM in some regions with low precision of DEM such as vegetation coverage area and building concentrated area. In this paper we describe our experiments with high-resolution X-band full Polarimetric SAR data acquired by a dual-baseline interferometric airborne SAR system over an area of Danling in southern China. Pauli algorithm is used to generate the double

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Huang, Long, Aifang Liu, Zuzhen Huang, Hui Xu, and Dong Han. "A Novel Method for Interferometric Phase Estimation in Dual-Channel Cancellation." Sensors 22, no. 23 (2022): 9356. http://dx.doi.org/10.3390/s22239356.

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Multichannel SAR systems have grown rapidly over the past decade due to their powerful high-resolution and wide-swath (HRWS) capabilities. Because spatially separated channels also have the potential to suppress jamming, dual-channel cancellation is a general method that is effective regardless of the type of jamming signal. In this paper, the principle of dual-channel cancellation (DCC) is introduced, and several practical problems using DCC are also discussed. Moreover, this paper emphasizes interferometric phase estimation, which is the key to DCC. If the jamming-to-signal ratio (JSR) is hi

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Crosetto, M., O. Monserrat, N. Devanthéry, M. Cuevas-González, A. Barra, and B. Crippa. "PERSISTENT SCATTERER INTERFEROMETRY USING SENTINEL-1 DATA." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B7 (June 22, 2016): 835–39. http://dx.doi.org/10.5194/isprs-archives-xli-b7-835-2016.

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This paper is focused on deformation monitoring using a Persistent Scatterer Interferometry technique and the interferometric SAR data acquired by the Sentinel-1 satellite of the European Space Agency. The first part of the paper describes the procedure used to process and analyze Sentinel-1 interferometric SAR data. Two main approaches are described. The first one is a simplified Persistent Scatterer Interferometry approach that exploits two key properties of the Sentinel-1 data: the high coherence of the 12-day interferograms and the reduced orbital tube. The second approach is a full Persis

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Crosetto, M., O. Monserrat, N. Devanthéry, M. Cuevas-González, A. Barra, and B. Crippa. "PERSISTENT SCATTERER INTERFEROMETRY USING SENTINEL-1 DATA." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B7 (June 22, 2016): 835–39. http://dx.doi.org/10.5194/isprsarchives-xli-b7-835-2016.

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This paper is focused on deformation monitoring using a Persistent Scatterer Interferometry technique and the interferometric SAR data acquired by the Sentinel-1 satellite of the European Space Agency. The first part of the paper describes the procedure used to process and analyze Sentinel-1 interferometric SAR data. Two main approaches are described. The first one is a simplified Persistent Scatterer Interferometry approach that exploits two key properties of the Sentinel-1 data: the high coherence of the 12-day interferograms and the reduced orbital tube. The second approach is a full Persis

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Ojha, Chandrakanta, Adele Fusco, and Innocenzo M. Pinto. "Interferometric SAR Phase Denoising Using Proximity-Based K-SVD Technique." Sensors 19, no. 12 (2019): 2684. http://dx.doi.org/10.3390/s19122684.

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This paper addresses the problem of interferometric noise reduction in Synthetic Aperture Radar (SAR) interferometry based on sparse and redundant representations over a trained dictionary. The idea is to use a Proximity-based K-SVD (ProK-SVD) algorithm on interferometric data for obtaining a suitable dictionary, in order to extract the phase image content effectively. We implemented this strategy on both simulated as well as real interferometric data for the validation of our approach. For synthetic data, three different training dictionaries have been compared, namely, a dictionary extracted

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Ramirez, Ryan, Seung-Rae Lee, and Tae-Hyuk Kwon. "Long-Term Remote Monitoring of Ground Deformation Using Sentinel-1 Interferometric Synthetic Aperture Radar (InSAR): Applications and Insights into Geotechnical Engineering Practices." Applied Sciences 10, no. 21 (2020): 7447. http://dx.doi.org/10.3390/app10217447.

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Development of synthetic aperture radar (SAR) technology and the dedicated suite of processing tools have aided the evolution of remote sensing techniques for various Earth Observation (EO) applications. Interferometric SAR (InSAR) is a relatively new geodetic technique which provides high-speed and reliable geographic, geologic, and hazards information allowing the prognosis of future environmental and urban planning. In this study, we explored the applicability of two differential interferometry techniques, conventional and advanced differential InSAR (A-DInSAR), for topographic mapping and

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Sun, Yu, Dong, and Luo. "ScanSAR Interferometry of the Gaofen-3 Satellite with Unsynchronized Repeat-Pass Images." Sensors 19, no. 21 (2019): 4689. http://dx.doi.org/10.3390/s19214689.

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Gaofen-3 is a Chinese remote sensing satellite with multiple working modes, among which the scanning synthetic aperture radar (ScanSAR) mode is used for wide-swath imaging. synthetic aperture radar (SAR) interferometry in the ScanSAR mode provides the most rapid way to obtain a global digital elevation model (DEM), which can also be realized by Gaofen-3. Gaofen-3 ScanSAR interferometry works in the repeat-pass mode, and image pair non-synchronizations can influence its performance. Non-synchronizations can include differences of burst central times, satellite velocities, and burst durations. T

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Gao, Yang, Jin Song Du, Yi Yang Liu, and Xin Bi. "Research on Motion Compensation for Airborne SAR Interferometry System." Advanced Materials Research 684 (April 2013): 414–19. http://dx.doi.org/10.4028/www.scientific.net/amr.684.414.

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Deviation from definitive flight path of a plane fixed a synthetic aperture radar (SAR) leads to inaccurate and defocused radar images, which has serious effect on the SAR interferometry (InSAR) processing. Therefore, the precise motion compensation (MOCO) for the airborne SAR interferometric data is the key to obtain high quality digital elevation model (DEM).The position and orientation system (POS)-based residual motion error compensation method is designed. Considering the precision of POS, there will be residual motion error after the POS-based MOCO, which have serious effect on the inter

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Feng, Qingqing, Huaping Xu, Zhefeng Wu, and Wei Liu. "Deceptive Jamming Detection for SAR Based on Cross-Track Interferometry." Sensors 18, no. 7 (2018): 2265. http://dx.doi.org/10.3390/s18072265.

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Deceptive jamming against synthetic aperture radar (SAR) can create false targets or deceptive scenes in the image effectively. Based on the difference in interferometric phase between the target and deceptive jamming signals, a novel method for detecting deceptive jamming using cross-track interferometry is proposed, where the echoes with deceptive jamming are received by two SAR antennas simultaneously and the false targets are identified through SAR interferometry. Since the derived false phase is close to a constant in interferogram, it is extracted through phase filtering and frequency de

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Joughin, Ian. "Ice-sheet velocity mapping: a combined interferometric and speckle-tracking approach." Annals of Glaciology 34 (2002): 195–201. http://dx.doi.org/10.3189/172756402781817978.

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AbstractThe first and second RADARSAT Antarctic Mapping Missions (AMM-1 and -2) have now acquired interferometric synthetic aperture radar (SAR) overmuch of the ice sheet. The RADARSAT 24 day repeat cycle is nearly ideal for measuring slow ice motion (e.g. <100ma–1), but application of SAR interferometry is limited in faster-moving areas. With a 1day repeat period, ERS-1/-2 tandem SAR data are much better matched to fast motion, but are not always available. Fortunately, several authors have demonstrated the ability to measure velocity in fast-moving areas by tracking SAR speckle from image

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Lukin, Konstantin, Volodymyr Palamarchuk, Pavlo Vyplavin, and Volodymyr Kudriashov. "Experimental Investigation of Factors Affecting Stability of Interferometric Measurements with Ground Based Noise Waveform SAR." International Journal of Electronics and Telecommunications 57, no. 3 (2011): 389–93. http://dx.doi.org/10.2478/v10177-011-0053-4.

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Experimental Investigation of Factors Affecting Stability of Interferometric Measurements with Ground Based Noise Waveform SAR Application of ground-based SAR and differential interferometry technique is often used for monitoring manmade objects aiming detection of their structural changes. Recently Ka-band Ground Based Noise Waveform SAR has been developed [1] which may be applied for the above monitoring. The paper is devoted to investigation of stability of Noise Waveform SAR. Monitoring of a simple construction has been carried out. The related measurements enabled estimating the accuracy

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Balzter, H. "Forest mapping and monitoring with interferometric synthetic aperture radar (InSAR)." Progress in Physical Geography: Earth and Environment 25, no. 2 (2001): 159–77. http://dx.doi.org/10.1177/030913330102500201.

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A synthetic aperture radar (SAR) is an active sensor transmitting pulses of polarized electromagnetic waves and receiving the backscattered radiation. SAR sensors at different wavelengths and with different polarimetric capabilities are being used in remote sensing of the earth. The value of an analysis of backscattered energy alone is limited due to ambiguities in the possible ecological factor configurations causing the signal. From two SAR images taken from similar viewing positions with a short time-lag, interference between the two waves can be observed. By subtracting the two phases of t

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Crosetto, M., A. Budillon, A. Johnsy, et al. "URBAN MONITORING BASED ON SENTINEL-1 DATA USING PERMANENT SCATTERER INTERFEROMETRY AND SAR TOMOGRAPHY." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-3 (April 30, 2018): 235–38. http://dx.doi.org/10.5194/isprs-archives-xlii-3-235-2018.

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A lot of research and development has been devoted to the exploitation of satellite SAR images for deformation measurement and monitoring purposes since Differential Interferometric Synthetic Apertura Radar (InSAR) was first described in 1989. In this work, we consider two main classes of advanced DInSAR techniques: Persistent Scatterer Interferometry and Tomographic SAR. Both techniques make use of multiple SAR images acquired over the same site and advanced procedures to separate the deformation component from the other phase components, such as the residual topographic component, the atmosp

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Monti-Guarnieri, Andrea, Marco Manzoni, Davide Giudici, Andrea Recchia, and Stefano Tebaldini. "Vegetated Target Decorrelation in SAR and Interferometry: Models, Simulation, and Performance Evaluation." Remote Sensing 12, no. 16 (2020): 2545. http://dx.doi.org/10.3390/rs12162545.

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The paper addresses the temporal stability of distributed targets, particularly referring to vegetation, to evaluate the degradation affecting synthetic aperture radar (SAR) imaging and repeat-pass interferometry, and provide efficient SAR simulation schemes for generating big dataset from wide areas. The models that are mostly adopted in literature are critically reviewed, and aim to study decorrelation in a range of time (from hours to days), of interest for long-term SAR, such as ground-based or geosynchronous, or repeat-pass SAR interferometry. It is shown that none of them explicitly acco

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Khalili, Mohammad Amin, Behzad Voosoghi, Luigi Guerriero, Saeid Haji-Aghajany, Domenico Calcaterra, and Diego Di Martire. "Mapping of Mean Deformation Rates Based on APS-Corrected InSAR Data Using Unsupervised Clustering Algorithms." Remote Sensing 15, no. 2 (2023): 529. http://dx.doi.org/10.3390/rs15020529.

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Different interferometric approaches have been developed over the past few decades to process SAR data and recover surface deformation, and each approach has advantages and limitations. Finding an accurate and reliable interval for preparing mean deformation rate maps (MDRMs) remains challenging. The primary purpose of this paper is to implement an application consisting of three unsupervised clustering algorithms (UCAs) for determining the best interval from SAR-derived deformation data, which can be used to interpret long-term deformation processes, such as subsidence, and identify displacem

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Rott, Helmut. "Advances in interferometric synthetic aperture radar (InSAR) in earth system science." Progress in Physical Geography: Earth and Environment 33, no. 6 (2009): 769–91. http://dx.doi.org/10.1177/0309133309350263.

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During recent years, synthetic aperture radar (SAR) interferometry (InSAR) has become an important tool for precise measurements of the earth’s surface topography and deformation. This paper presents an overview on recent developments in InSAR applications, with emphasis on the use of satellite-borne sensors for applications in geoscience, topographic mapping, natural hazard monitoring and environmental research. InSAR measurement principles are briefly introduced. Recent results on the use of repeat-pass interferometry for mapping seismic and volcanic deformation, monitoring landslides and su

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Ruiz-Carregal, Gerard, Marc Lort Cuenca, Luis Yam, et al. "Ku-Band SAR-Drone System and Methodology for Repeat-Pass Interferometry." Remote Sensing 16, no. 21 (2024): 4069. http://dx.doi.org/10.3390/rs16214069.

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In recent years, drone-based Synthetic Aperture Radar (SAR) systems have emerged as flexible and cost-efficient solutions for detecting changes in the Earth’s surface, retrieving topographic data, or detecting ground displacement processes in localized areas, among other applications. These systems offer a unique combination of short and versatile revisit times and flexible acquisition geometries that are not achievable with space-borne, airborne, or ground-based SAR sensors. However, due to platform limitations and flight stability issues, they also present significant challenges regarding in

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Chen, Q., T. Li, X. Tang, X. Gao, and X. Zhang. "PRELIMINARY GAOFEN-3 INSAR DEM ACCURACY ANALYSIS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-3 (April 30, 2018): 173–77. http://dx.doi.org/10.5194/isprs-archives-xlii-3-173-2018.

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GF-3 satellite, the first C band and full-polarization SAR satellite of China with spatial resolution of 1&amp;thinsp;m, was successfully launched in August 2016. We analyze the error sources of GF-3 satellite in this paper, and provide the interferometric calibration model based on range function, Doppler shift equation and interferometric phase function, and interferometric parameters calibrated using the three-dimensional coordinates of ground control points. Then, we conduct the experimental two pairs of images in fine stripmap I mode covering Songshan of Henan Province and Tangshan of

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Fan, J., X. Zuo, T. Li, Q. Chen, and X. Geng. "AN IMPROVED INTERFEROMETRIC CALIBRATION METHOD BASED ON INDEPENDENT PARAMETER DECOMPOSITION." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-3 (April 30, 2018): 321–27. http://dx.doi.org/10.5194/isprs-archives-xlii-3-321-2018.

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Interferometric SAR is sensitive to earth surface undulation. The accuracy of interferometric parameters plays a significant role in precise digital elevation model (DEM). The interferometric calibration is to obtain high-precision global DEM by calculating the interferometric parameters using ground control points (GCPs). However, interferometric parameters are always calculated jointly, making them difficult to decompose precisely. In this paper, we propose an interferometric calibration method based on independent parameter decomposition (IPD). Firstly, the parameters related to the interfe

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Bachmann, Markus, Marco Schwerdt, Gabriel Castellanos Alfonzo, and Dirk Schrank. "Phase Pattern Calibration for Interferometric Applications in Spaceborne SAR Systems." International Journal of Antennas and Propagation 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/284698.

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SAR is a widely used technique to acquire images for geoscience and earth observation applications. Active phased array antennas are commonly used in spaceborne SAR systems. For certain modes and applications, it is necessary to know the phase behavior of these phased array antennas. For applications utilizing the different polarization channels for interferometry, the phase difference between the polarizations needs to be calibrated very accurately as it is the main evaluation parameter. Also for single-pass interferometric missions, the difference between the two antennas in terms of phase g

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Maltese, Antonino, Claudia Pipitone, Gino Dardanelli, Fulvio Capodici, and Jan-Peter Muller. "Toward a Comprehensive Dam Monitoring: On-Site and Remote-Retrieved Forcing Factors and Resulting Displacements (GNSS and PS–InSAR)." Remote Sensing 13, no. 8 (2021): 1543. http://dx.doi.org/10.3390/rs13081543.

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Many factors can influence the displacements of a dam, including water level variability and environmental temperatures, in addition to the dam composition. In this work, optical-based classification, thermal diachronic analysis, and a quasi-PS (Persistent Scatter) Interferometric SAR technique have been applied to determine both forcing factors and resulting displacements of the crest of the Castello dam (South Italy) over a one-year time period. The dataset includes Sentinel-1A images acquired in Interferometric Wide swath mode using the Terrain Observation with Progressive Scans SAR (TOPSAR

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Nonaka, Takashi, Tomohito Asaka, and Keishi Iwashita. "Evaluation of Atmospheric Effects on Interferograms Using DEM Errors of Fixed Ground Points." Sensors 18, no. 7 (2018): 2336. http://dx.doi.org/10.3390/s18072336.

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High-resolution synthetic aperture radar (SAR) data are widely used for disaster monitoring. To extract damaged areas automatically, it is essential to understand the relationships among the sensor specifications, acquisition conditions, and land cover. Our previous studies developed a method for estimating the phase noise of interferograms using several pairs of TerraSAR-X series (TerraSAR-X and TanDEM-X) datasets. Atmospheric disturbance data are also necessary to interpret the interferograms; therefore, the purpose of this study is to estimate the atmospheric effects by focusing on the diff

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Andersen, Jonas Kvist, Anders Kusk, John Peter Merryman Boncori, Christine Schøtt Hvidberg, and Aslak Grinsted. "Improved Ice Velocity Measurements with Sentinel-1 TOPS Interferometry." Remote Sensing 12, no. 12 (2020): 2014. http://dx.doi.org/10.3390/rs12122014.

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In recent years, the Sentinel-1 satellites have provided a data archive of unprecedented volume, delivering C-band Synthetic Aperture Radar (SAR) acquisitions over most of the polar ice sheets with a repeat-pass period of 6–12 days using Interferometric Wide swath (IW) imagery acquired in Terrain Observation by Progressive Scans (TOPS) mode. Due to the added complexity of TOPS-mode interferometric processing, however, Sentinel-1 ice velocity measurements currently rely exclusively on amplitude offset tracking, which generates measurements of substantially lower accuracy and spatial resolution

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Wegmüller, Urs, Christophe Magnard, and Othmar Frey. "Assessment of Hongtu-1 Multi-Static X-Band SAR Constellation Interferometry." Remote Sensing 16, no. 19 (2024): 3600. http://dx.doi.org/10.3390/rs16193600.

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In 2023, the Chinese company PIESAT launched the multi-static X-band SAR constellation Hongtu-1 (HT1). HT1 consists of the active monostatic SAR sensor HT1-A and the three additional passive SAR receivers HT1-B, HT1-C and HT1-D. The passive sensors are arranged as a cartwheel in a circle around the active sensor. For our SAR interferometric investigation, we were able to use a multi-static HT1 recording. After a brief introduction of HT1, we describe the processing performed. Based on the phases of the six single-pass interferometric pairs, we calculated height differences relative to the Cope

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Bruno, D. "Stereo-assisted interferometric sar." Photogrammetric Record 21, no. 113 (2006): 82–83. http://dx.doi.org/10.1111/j.1477-9730.2006.00359_2.x.

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Xu, Bing, Zhiwei Li, Yan Zhu, Jiancun Shi, and Guangcai Feng. "SAR Interferometric Baseline Refinement Based on Flat-Earth Phase without a Ground Control Point." Remote Sensing 12, no. 2 (2020): 233. http://dx.doi.org/10.3390/rs12020233.

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Interferometric baseline estimation is a key procedure of interferometric synthetic aperture radar (SAR) data processing. The error of the interferometric baseline affects not only the removal of the flat-earth phase, but also the transformation coefficient between the topographic phase and elevation, which will affect the topographic phase removal for differential interferometric SAR (D-InSAR) and the accuracy of the final generated digital elevation model (DEM) product for interferometric synthetic aperture (InSAR). To obtain a highly accurate interferometric baseline, this paper firstly inv

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Budillon, Alessandra, Michele Crosetto, and Oriol Monserrat. "Editorial for the Special Issue “Urban Deformation Monitoring using Persistent Scatterer Interferometry and SAR Tomography”." Remote Sensing 11, no. 11 (2019): 1306. http://dx.doi.org/10.3390/rs11111306.

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This Special Issue hosts papers related to deformation monitoring in urban areas based on two main techniques: Persistent Scatterer Interferometry (PSI) and Synthetic Aperture Radar (SAR) Tomography (TomoSAR). Several contributions highlight the capabilities of Interferometric SAR (InSAR) and PSI techniques for urban deformation monitoring. In this Special Issue, a wide range of InSAR and PSI applications are addressed. Some contributions show the advantages of TomoSAR in un-mixing multiple scatterers for urban mapping and monitoring. This issue includes a contribution that compares PSI and To

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Zhu, Xiao, Yuanyuan Wang, Sina Montazeri, and Nan Ge. "A Review of Ten-Year Advances of Multi-Baseline SAR Interferometry Using TerraSAR-X Data." Remote Sensing 10, no. 9 (2018): 1374. http://dx.doi.org/10.3390/rs10091374.

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Since its launch in 2007, TerraSAR-X has continuously provided spaceborne synthetic aperture radar (SAR) images of our planet with unprecedented spatial resolution, geodetic, and geometric accuracy. This has brought life to the once inscrutable SAR images, which deterred many researchers. Thanks to merits like higher spatial resolution and more precise orbit control, we are now able to indicate individual buildings, even individual floors, to pinpoint targets within centimeter accuracy. As a result, multi-baseline SAR interferometric (InSAR) techniques are flourishing, from point target-based

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Crosetto, Michele, Oriol Monserrat, Guido Luzi, Maria Cuevas, and Núria Devanthéry. "A Non-interferometric Procedure for Deformation Measurement Using GB-SAR Imagery." IEEE Geoscience and Remote Sensing Letters 11, no. 1 (2014): 34–38. https://doi.org/10.1109/LGRS.2013.2245098.

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Deformation monitoring using ground-based synthetic aperture radar (GB-SAR) data usually exploits the interferometric phases. In this letter, a new noninterferometric procedure is proposed, which exploits the geometric content of GB-SAR amplitude imagery and estimates deformation through image matching. This letter describes, step by step, this procedure. In order to achieve acceptable deformation measurement performances, the technique needs special targets, which have to guarantee a good image matching quality. If the available natural targets are insufficient, artificial corner reflectors a

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Jäger, Marc, Rolf Scheiber, and Andreas Reigber. "Robust, Model-Based External Calibration of Multi-Channel Airborne SAR Sensors Using Range Compressed Raw Data." Remote Sensing 11, no. 22 (2019): 2674. http://dx.doi.org/10.3390/rs11222674.

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The paper describes a method for the accurate calibration of multi-channel SAR instruments, such as those required to support SAR polarimetry, single-pass interferometry and digital beam-forming (DBF), on the basis of dedicated SAR acquisitions containing reference targets with known properties. Unlike conventional approaches, the method is based entirely on the analysis of range-compressed raw data. It leverages the pulse-by-pulse analysis of amplitude, phase and delay variations observed within the range histories of reference targets to fully characterize and correct propagation direction d

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HO TONG MINH, Dinh, Ramon Hanssen, and Fabio Rocca. "Radar Interferometry: 20 Years of Development in Time Series Techniques and Future Perspectives." Remote Sensing 12, no. 9 (2020): 1364. http://dx.doi.org/10.3390/rs12091364.

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The research and improvement of methods to be used for deformation measurements from space is a challenge. From the previous 20 years, time series Synthetic Aperture Radar (SAR) interferometry techniques have proved for their ability to provide millimeter-scale deformation measurements over time. This paper aims to provide a review of such techniques developed in the last twenty years. We first recall the background of interferometric SAR (InSAR). We then provide an overview of the InSAR time series methods developed in the literature, describing their principles and advancements. Finally, we

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Ito, Y., H. Ikemitsu, and K. Nango. "DEVELOPMENT AND EVALUATION OF SCIENCE AND TECHNOLOGY EDUCATION PROGRAM USING INTERFEROMETRIC SAR." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B6 (June 17, 2016): 123–29. http://dx.doi.org/10.5194/isprs-archives-xli-b6-123-2016.

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This paper proposes a science and technology education program to teach junior high school students to measure terrain changes by using interferometric synthetic aperture radar (SAR). The objectives of the proposed program are to evaluate and use information technology by performing SAR data processing in order to measure ground deformation, and to incorporate an understanding of Earth sciences by analyzing interferometric SAR processing results. To draft the teaching guidance plan for the developed education program, this study considers both science and technology education. The education pr

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Ito, Y., H. Ikemitsu, and K. Nango. "DEVELOPMENT AND EVALUATION OF SCIENCE AND TECHNOLOGY EDUCATION PROGRAM USING INTERFEROMETRIC SAR." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B6 (June 17, 2016): 123–29. http://dx.doi.org/10.5194/isprsarchives-xli-b6-123-2016.

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This paper proposes a science and technology education program to teach junior high school students to measure terrain changes by using interferometric synthetic aperture radar (SAR). The objectives of the proposed program are to evaluate and use information technology by performing SAR data processing in order to measure ground deformation, and to incorporate an understanding of Earth sciences by analyzing interferometric SAR processing results. To draft the teaching guidance plan for the developed education program, this study considers both science and technology education. The education pr

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Adams, G. F., D. A. Ausherman, S. L. Crippen, G. T. Sos, B. P. Williams, and R. Heidelbach. "The ERIM interferometric SAR: IFSARE." IEEE Aerospace and Electronic Systems Magazine 11, no. 12 (1996): 31–35. http://dx.doi.org/10.1109/62.544797.

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Wegmuller, U., and C. L. Werner. "SAR interferometric signatures of forest." IEEE Transactions on Geoscience and Remote Sensing 33, no. 5 (1995): 1153–61. http://dx.doi.org/10.1109/36.469479.

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Prudente, V. H. R., L. V. Oldoni, D. C. Vieira, C. E. V. Cattani, and I. D. Sanches. "RELATIONSHIP BETWEEN SAR/SENTINEL-1 POLARIMETRIC AND INTERFEROMETRIC DATA WITH BIOPHYSICAL PARAMETERS OF AGRICULTURAL CROPS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-3/W6 (July 26, 2019): 599–607. http://dx.doi.org/10.5194/isprs-archives-xlii-3-w6-599-2019.

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<p><strong>Abstract.</strong> The use of SAR (Synthetic Aperture Radar) data in agricultural applications has not yet been adequately explored, due to the complexity of the processing required, the lower diversity and availability of SAR data, and the difficulty in interpreting this data. The interactions between microwave energy and vegetation are influenced by factors related to plant structure, dielectric properties of the canopy, planting density and line orientation, and the angle of incidence and polarization of the wave. These differences between the recorded phases ar

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Zheng, Xiangtian, Xiaolin Yang, Haitao Ma, et al. "Integrated Ground-Based SAR Interferometry, Terrestrial Laser Scanner, and Corner Reflector Deformation Experiments." Sensors 18, no. 12 (2018): 4401. http://dx.doi.org/10.3390/s18124401.

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An integrated sensor system comprised of a terrestrial laser scanner (TLS), corner reflectors (CRs), and high precision linear rail is utilized to validate ground-based synthetic aperture radar (GB-SAR) interferometric micro-displacement measurements. A rail with positioning accuracy of 0.1 mm is deployed to ensure accurate and controllable deformation. The rail is equipped with a CR on a sliding platform for mobility. Three smaller CRs are installed nearby, each with a reflective sticker attached to the CR’s vertex; the CRs present as high-amplitude points both in the GB-SAR images and the TL

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Liu, Yanyang, Mingliang Tao, Jieshuang Li, Tao Li, and Junli Chen. "On the RFI Detection in Differential Interferometric Synthetic Aperture Radar." International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLVIII-1-2024 (May 10, 2024): 425–30. http://dx.doi.org/10.5194/isprs-archives-xlviii-1-2024-425-2024.

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Abstract. Synthetic Aperture Radar (SAR) can image the ground with a wide area and high resolution at all times and in all weather and has become an important means of remote sensing. Differential interferometry SAR technology can obtain high-precision surface deformation information by processing more than two SAR images before and after deformation. In recent years, it has attracted widespread attention and research. However, due to the increasing number of ground electronic devices, ground radio frequency interference (RFI) has become one of the main problems in differential interferometry

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Xu, Yifan, Aifang Liu, Youquan Lin, Moqian Wang, Long Huang, and Zuzhen Huang. "Innovative Polarimetric Interferometric Synthetic Aperture Radar Land Cover Classification: Integrating Power, Polarimetric, and Interferometric Information for Higher Accuracy." Sensors 25, no. 7 (2025): 1996. https://doi.org/10.3390/s25071996.

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The Polarimetric Interferometric Synthetic Aperture Radar (PolInSAR) system is a combination of polarimetric SAR and interferometric SAR, which can simultaneously obtain the power information, polarimetric information, and interferometric information of land cover. Traditional land cover classification methods fail to fully utilize these information types, resulting in limited classification types and low accuracy. This paper proposes a PolInSAR land cover classification method that fuses power information, polarimetric information, and interferometric information, aiming to enrich the classif

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Lee, Yoon-Kyung, Sang-Hoon Hong, and Sang-Wan Kim. "Monitoring of Water Level Change in a Dam from High-Resolution SAR Data." Remote Sensing 13, no. 18 (2021): 3641. http://dx.doi.org/10.3390/rs13183641.

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Accurate measurement of water levels and variations in lakes and reservoirs is crucial for water management. The retrieval of the accurate variations in water levels in lakes and reservoirs with small widths from high-resolution synthetic aperture radar (SAR) images such as the TerraSAR add-on for Digital Elevation Measurements (TanDEM-X) and COnstellation of small Satellites for the Mediterranean basin Observation (COSMO-SkyMed) are presented here. A detailed digital surface model (DSM) for the upstream face of the dam was constructed using SAR interferometry with TanDEM-X data to estimate th

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Chindo, Musa Muhammad, Mazlan Hashim, and Abdul Wahid Rasib. "Interferometric synthetic aperture radar coherence constraints in heavily vegetated tropics." IOP Conference Series: Earth and Environmental Science 1064, no. 1 (2022): 012027. http://dx.doi.org/10.1088/1755-1315/1064/1/012027.

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Abstract Success of Interferometry Synthetic Aperture Radar (InSAR) technique for deriving digital elevation model (DEM) in the heavily vegetated humid tropic using Sentinel-1 SAR has been controversial, owing to the difficulty in achieving good coherence. Yet achievable coherence with Sentinel-1 SAR over the heavily vegetated humid tropic has rarely been reported. Consequently, this paper evaluates coherence achievable with Sentinel-1 SAR over the heavily vegetated humid tropic. Twelve Sentinel-1 SAR over part of Johor selected based on perpendicular and temporal baselines considerations, wer

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Li, Genger. "InSAR terrain mapping error sources based on satellite interferometry." Open Physics 20, no. 1 (2022): 668–79. http://dx.doi.org/10.1515/phys-2022-0064.

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Abstract To improve the accuracy of interferometric synthetic aperture radar (InSAR) topographic mapping, an error source analysis method of InSAR topographic mapping based on satellite interferometry is proposed. According to the basic principle of InSAR altimetry, the preconditions of SAR satellite interferometry are quantitatively analyzed, and the phase error experiment is carried out. The error sources of formation satellite InSAR system are studied. Finally, the error sources affecting the formation satellite InSAR system are systematically analyzed. The experimental results show that th

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Merchant, Michael Allan, Mayah Obadia, Brian Brisco, Ben DeVries, and Aaron Berg. "Applying Machine Learning and Time-Series Analysis on Sentinel-1A SAR/InSAR for Characterizing Arctic Tundra Hydro-Ecological Conditions." Remote Sensing 14, no. 5 (2022): 1123. http://dx.doi.org/10.3390/rs14051123.

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Synthetic aperture radar (SAR) is a widely used tool for Earth observation activities. It is particularly effective during times of persistent cloud cover, low light conditions, or where in situ measurements are challenging. The intensity measured by a polarimetric SAR has proven effective for characterizing Arctic tundra landscapes due to the unique backscattering signatures associated with different cover types. However, recently, there has been increased interest in exploiting novel interferometric SAR (InSAR) techniques that rely on both the amplitude and absolute phase of a pair of acquis

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Agrawal, Ritesh. "Generation and Validation of Digital Elevation Model Using RISAT-1 SAR Interferometry." Journal of Geomatics 17, no. 2 (2023): 16–20. http://dx.doi.org/10.58825/jog.2023.17.2.6.

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SAR Interferometry is one of the techniques used for generating three-dimensional information about the Earth’s surface, which converts the absolute interferometric phase data of complex radar signal into topographic information. The prime objective of the study was to explore the potential of the RISAT-1 data for interferometric analysis. In this study, an attempt has made to generate the DEM of the part of Bharatpur region, Rajasthan using InSAR techniques using FFT based instead of the conventional approach due to non-availability of precise orbits. The analysis was carried out using FRS-1

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Li, Shao Bin, Zheng Chen, Zhi Ya Hao, and Jian Jun Gao. "The Influence of Frequency Synchronization Error on SAR Imaging and ATI Moving Target Detection." Advanced Materials Research 546-547 (July 2012): 702–7. http://dx.doi.org/10.4028/www.scientific.net/amr.546-547.702.

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The influence of frequency synchronization error on SAR imaging and moving target detection using Along-Track Interferometry (ATI) is researched. The expression of frequency synchronization error and its influence on SAR imaging is analyzed in detail firstly. Then, the basic theory of ATI to detect moving targets is introduced in brief, the ATI in range-Doppler domain is given and the influence of frequency synchronization error on the interferometric phase in range-Doppler domain is analyzed. The influence of three kinds of frequency synchronization error is given: the main lobe shift from th

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Zhang, Shu Bi, and Tuo Fu. "Analysis and Evaluation of InSAR Phase Unwrapping Approaches." Advanced Materials Research 301-303 (July 2011): 1029–35. http://dx.doi.org/10.4028/www.scientific.net/amr.301-303.1029.

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In recent years SAR interferometry has become a widely used technique for measuring altitude and displacement of the surface of the earth. Phase unwrapping of the interferometric SAR is a very important step to obtain an accurate DEM(Digital Elevation Model)[1,2,3],and phase unwrapping is not only crucial in InSAR but also a major source in InSAR errors. Therefore, with GAMMA software, VC++ and MATLAB coding implementing six kinds of phase unwrapping approaches ,this paper presents the best method for different situations through two sets of experimental results used for analysing and comparin

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Zhang, Lei, and Zhong Lu. "Advances in InSAR Imaging and Data Processing—A Review." Remote Sensing 14, no. 17 (2022): 4307. http://dx.doi.org/10.3390/rs14174307.

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Through different phases of synthetic aperture radar (SAR) data acquired on different dates and/or at different satellite imaging locations, the interferometric SAR (InSAR) technique has long been used to map ground deformation or generate global digital elevation model (DEM) (e [...]

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Yang, Fengqi, Xianlin Shi, Keren Dai, et al. "Utilizing LuTan-1 SAR Images to Monitor the Mining-Induced Subsidence and Comparative Analysis with Sentinel-1." Remote Sensing 16, no. 22 (2024): 4281. http://dx.doi.org/10.3390/rs16224281.

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The LuTan-1 (LT-1) satellite, launched in 2022, is China’s first L-band full-polarimetric Synthetic Aperture Radar (SAR) constellation, boasting interferometry capabilities. However, given its limited use in subsidence monitoring to date, a comprehensive evaluation of LT-1’s interferometric quality and capabilities is necessary. In this study, we utilized the Differential Interferometric Synthetic Aperture Radar (DInSAR) technique to analyze mining-induced subsidence results near Shenmu City (China) with LT-1 data, revealing nine subsidence areas with a maximum subsidence of −19.6 mm within 32

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Brunori, Carlo Alberto, and Federica Murgia. "Spatiotemporal Evolution of Ground Subsidence and Extensional Basin Bedrock Organization: An Application of Multitemporal Multi-Satellite SAR Interferometry." Geosciences 13, no. 4 (2023): 105. http://dx.doi.org/10.3390/geosciences13040105.

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Since the early 1990s, the European (ESA) and Italian (ASI) space agencies have managed and distributed a huge amount of satellite-recorded SAR data to the research community and private industries. Moreover, the availability of advanced cloud computing services implementing different multi-temporal SAR interferometry techniques allows the generation of deformation time series from massive SAR images. We exploit the information provided by a large PS dataset to determine the temporal trend of ground deformation and the relative deformation rate with millimetric accuracy to analyze the spatial

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