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Wikipediahttps://en.wikipedia.org › wikiSentinel-1 - WikipediaThe Sentinel-1 satellites carry a C-band synthetic-aperture radar instrument which provides a collection of data in all-weather, day or night. This instrument has a spatial resolut…Stack Exchangehttps://gis.stackexchange.com › questionsWhy pixel spacing measures as spatial resolution in Sentinel-1 SAR ...There is information about the spatial resolution (as distinct from the sampling rate) for Sentinel 1 in the technical guide. Most of the data (viz. hi-res GRD in IW mode) is rough…European Space Agencyhttps://forum.step.esa.intPixel spacing is same as spatial resolution in Sentinel-1 SAR images ...Sentinel-1 GRD IW products have a spatial resolution of 20m but are provided as images with 10m pixels.
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See all on WikipediaSentinel-1 - Wikipedia
Extra Wide Swath (EW) Mode, featuring 20-by-40-metre (66 by 131 ft) spatial resolution and a 400 km (250 mi) swath. EW is used mainly to monitor wide coastal areas for phenomena such as shipping traffic and potential environmental hazards like oil spills or changes in sea ice. See more
Sentinel-1 is the first of the Copernicus Programme satellite constellations conducted by the European Space Agency. The mission was originally composed of a constellation of two … See more
The first satellite, Sentinel-1A, launched on 3 April 2014, and Sentinel-1B was launched on 25 April 2016. Both satellites lifted off from the Guiana Space Centre in Kourou, French Guiana on a Soyuz rocket. Sentinel-1D is in development. An equipment failure … See more
Sentinel-1 has four operational modes and four types of data products available. All data levels are publicly available for free online within 24 hours of observation.
Operational modes
The four operational modes offered by Sentinel-1 are: See more• Sentinel-1A – launched on 3 April 2014
• Sentinel-1B – launched on 25 April 2016, unavailable due to a power issue since 23 December 2021, mission end declared 3 August 2022 See more
Sentinel-1 spacecraft are designed to carry a C-band synthetic-aperture radar (C-SAR) instrument which provides a collection of data in all-weather, day or night, as well as an SDRAM-based Data Storage and Handling Assembly (DSHA).
The single C-SAR … See moreThere are a wide range of applications for the data collected via the Sentinel-1 mission, including marine and land monitoring, … See more
The prime contractor of the mission is Thales Alenia Space Italy, with whole system integration and also with production of platform Spacecraft Management Unit … See more
Wikipedia text under CC-BY-SA license Sentinel-1 - Copernicus Data Space Ecosystem
The Sentinel-1 mission includes C-band imaging operating in four exclusive imaging modes with different resolution (down to 5 m) and coverage (up to 400 km). It provides dual polarization capability, short revisit times and rapid …
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Sentinel-1 C-SAR | NASA Earthdata
Apr 3, 2014 · The Synthetic Aperture Radar (SAR) aboard the ESA (European Space Agency's) Sentinel-1A/B satellites provides continuous all-weather, day-and-night imagery at C-band frequencies and operating in four exclusive …
S1 Mission - Copernicus
Copernicus: Sentinel-1 - eoPortal
- Mission Capabilities
Both Sentinel-1 satellites are identical and have the C-SAR (C-band Synthetic Aperture Radar) onboard. This instrument is composed of the SAR Electronics Subsystem (SES) in charge of radar command and data handling, and the SAR Antenna Subsystem (SAS) in charge of signal … - Performance Specifications
SM mode has an 80 km swath and 5 m spatial resolution; IW mode has a 250 km swath and a 5 m x 20 m resolution; EW mode has a 400 km swath and a 25 m x 100 m resolution, and WV mode takes 20 m x 20 m images at 100 km intervals with a resolution of 5 m x 20 m. The C-SAR has …
- Agency: ESA, COM
- Mission status: Operational (nominal)
- Launch date: 03 Apr 2014
- Mission type: EO
- Mission Capabilities
Sentinel-1 – Documentation - Copernicus
The resulting product has approximately square resolution pixels and square pixel spacing with reduced speckle at a cost of reduced spatial resolution. (**) Conversion of Sentinel-1 GRD …
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Sentinel-1 - Sentinel Online
Discover Sentinel-1's mission, SAR instrument details, and processing algorithms. Explore applications in land, maritime monitoring, and emergency management.
Sentinel-1 | NASA Earthdata
Apr 3, 2014 · Default mode over land; 250km swath width; 5m-x-20m ground resolution. Acquired with TOPSAR using 5 sub-swaths instead of 3, resulting in lower resolution (20m-x-40m). Intended for maritime, ice, and polar-zone …
resolution. The Sentinel-4 UVN instrument is a high resolution spectrometer covering the > ultraviolet (305-400 nm), > visible (400-500 nm) > near-infrared (750-775 nm) bands. The …
(1)For GRD, the resolution given at mid-range, mid-orbit altitude, averaged over all swaths. (2)For SLC, given in slant-range. (3)Volume given for a single pol and for a product duration of 25s …
Planned operational ESA Sentinel-1 products - L1 characteristics • For Ground Range Products, the resolution corresponds to the mid range value at mid orbit altitude, averaged over all …
Sentinel-1 GRD
For low resolution requests (many meters per pixel) increasing it to 3, for example, can be worthwhile to reduce artifacts. Integer values are recommended. See also the S1GRD API …
Sentinel-1 | Sentinel Hub custom scripts
Sentinel-1’s radar can operate in four modes. The spatial resolution depends on the mode: approx. 5 m x 20 m for IW mode and approx. 20 m x 40 m for EW mode. See Copernicus …
Sentinel-1 is a Synthetic Aperture Radar (SAR) mission, providing continuous all-weather, day-and-night imagery at C-band (centre frequency: 5.405 GHz), operating in four exclusive …
Sentinel-1 Algorithms | Google Earth Engine - Google Developers
Sentinel-1 collects C-band synthetic aperture radar (SAR) imagery at a variety of polarizations and resolutions. Since radar data requires several specialized algorithms to obtain calibrated,...
Actual resolution of Sentinel-1 - Microwave Toolbox - STEP Forum
Dec 6, 2019 · Can anyone explain what is the actual spatial resolution of Interferometric Wide Swath Sentinel-1 GRD data? I read and found inconsistent descriptions on the resolution of …
For Ground Range Products, the resolution corresponds to the mid range value at mid orbit altitude, averaged over all swaths. For SLC SM/IW/EW products, the resolution and pixel …
Sentinel-1 | NASA Earthdata
Products are designated based on their acquisition mode, product type and, in the case of Level-1 GRD, resolution. All products are processed directly from the Level-0 product. Each mode can …
Super-resolution of Sentinel-1 Imagery Using an Enhanced …
Motivated by the outlined advantages and limitations, this paper introduces a novel deep learning-based methodology aimed at simultaneously reducing speckle noise and enhancing the spatial …
An open-source tool for mapping war destruction at scale in …
Mar 19, 2025 · Considering the resolution of Sentinel-1 we only take into account the 15M buildings that exceed 50 m 2 in surface area, i.e., they are larger than half a pixel. …
High Resolution Sea Ice Concentration Using a Sentinel-1 U-Net …
6 days ago · Accurate and high-resolution Sea Ice Concentration (SIC) mapping is essential for polar navigation, environmental monitoring, and assimilation into forecast models. Traditional …
• Instrument provides 4 exclusive SAR modes with different resolution and coverage Sentinel-1 SAR Imaging Modes (1/2) • Polarisation schemes for IW, EW & SM: single pol: HH or VV dual …
Estimating Wind Direction and Wind Speed Over Lakes With …
2 days ago · 2.2.2 Sentinel-1 Dataset. We retrieved Sentinel-1 (S1) C-band data from the S1 interferometric wide swath (IW) ground range detected product at 10 m resolution with 12 day …
