ICEYE Announces First-in-Market SAR Satellite Dwell Imaging Mode

ICEYE Announces First-in-Market SAR Satellite Dwell Imaging Mode

ICEYE, a global company in radar satellite persistent monitoring of the planet and an expert in natural catastrophe solutions, announced a new imaging mode known as Dwell. With Dwell, ICEYE synthetic aperture radar (SAR) satellites remain focused on a specific point on the ground for an extended collection time. This unique long-duration imaging mode allows ICEYE satellites to capture significantly more information about the imaging target, creating a powerful new capability for imagery users. 

For example, Dwell can be used to determine the heading and speed of moving vehicles, and under some circumstances, Dwell can even enable the discovery of human-made objects that would otherwise remain hidden under tree canopy. The Dwell product is unique in commercial remote sensing and will transform how customers with demanding mission requirements exploit SAR imagery.

The Dwell image product is created from a 25-second collection of the imaging target, in contrast to the 10-second duration of a traditional high-resolution ICEYE Spot image. This longer-duration collection provides new information about activity on the ground while also improving the image fidelity over a traditional SAR image. The result is a powerful new imaging capability that will expand the use of SAR for critical applications. Importantly, when combined with ICEYE's day/night all-weather imaging capability and tactical responsiveness, Dwell provides an imagery capability that is superior to electro-optical collections.

The Dwell product is a bundle with three components:

  1. High-fidelity SAR image. A common feature in high-resolution SAR images is speckle, which is the result of the specific SAR collection geometry and gives SAR imagery a noise-like appearance.  The extended collection time for a Dwell image enables a significantly larger synthetic aperture angle and produces pixels with an along-track resolution of 5 cm. Standard processing combines pixels together, a process called 'multi-looking', which significantly reduces the speckle artifacts. The result is a high-fidelity image with superior interpretability.
  2. Color subaperture image. A Dwell collection is particularly efficient at distinguishing human-made features, such as vehicles and buildings, from natural backgrounds such as tree canopy and vegetation. The color subaperture image preferentially distinguishes human-made features, allowing analysts to quickly find objects and features of interest among natural backgrounds.
  3. Video. The video is built from the multiple sub-images that comprise a Dwell collection. The video product enables determination of vehicle heading and speed during the 25-second collection and provides additional context about activities and patterns of behavior.

"Dwell mode is ideal for customers who need to extract more information from our radar imagery, including movement and direction," said John Cartwright, Head of Data Product at ICEYE. "In the long term, the research community, scientists, the SAR community, and most importantly, our customers with demanding missions will benefit from this latest ICEYE innovation. This product is another element in using remote sensing to better understand and characterize what is happening and changing on the ground in all lighting and weather conditions," he said. 

Dwell expands the powerful portfolio of high-tempo, day/night, all-weather imaging capabilities enabled by the ICEYE constellation. ICEYE offers a wide-area collection mode called Scan for large-area search; an intermediate, higher-resolution mode called Strip for higher-resolution mapping and search, and the highest-resolution Spot and Spot Extended Area for high-confidence monitoring and mapping applications. With the introduction of Dwell, users can now unlock new insights about their areas of interest, doing so with capabilities unique to the commercial SAR market.

Click here to learn about SAR Data Applications.

Publisher: SatNow
Tags:-  SatelliteGlobalGround

GNSS Constellations - A list of all GNSS satellites by constellations


Satellite NameOrbit Date
BeiDou-3 G4Geostationary Orbit (GEO)17 May, 2023
BeiDou-3 G2Geostationary Orbit (GEO)09 Mar, 2020
Compass-IGSO7Inclined Geosynchronous Orbit (IGSO)09 Feb, 2020
BeiDou-3 M19Medium Earth Orbit (MEO)16 Dec, 2019
BeiDou-3 M20Medium Earth Orbit (MEO)16 Dec, 2019
BeiDou-3 M21Medium Earth Orbit (MEO)23 Nov, 2019
BeiDou-3 M22Medium Earth Orbit (MEO)23 Nov, 2019
BeiDou-3 I3Inclined Geosynchronous Orbit (IGSO)04 Nov, 2019
BeiDou-3 M23Medium Earth Orbit (MEO)22 Sep, 2019
BeiDou-3 M24Medium Earth Orbit (MEO)22 Sep, 2019


Satellite NameOrbit Date
GSAT0223MEO - Near-Circular05 Dec, 2021
GSAT0224MEO - Near-Circular05 Dec, 2021
GSAT0219MEO - Near-Circular25 Jul, 2018
GSAT0220MEO - Near-Circular25 Jul, 2018
GSAT0221MEO - Near-Circular25 Jul, 2018
GSAT0222MEO - Near-Circular25 Jul, 2018
GSAT0215MEO - Near-Circular12 Dec, 2017
GSAT0216MEO - Near-Circular12 Dec, 2017
GSAT0217MEO - Near-Circular12 Dec, 2017
GSAT0218MEO - Near-Circular12 Dec, 2017


Satellite NameOrbit Date
Kosmos 2569--07 Aug, 2023
Kosmos 2564--28 Nov, 2022
Kosmos 2559--10 Oct, 2022
Kosmos 2557--07 Jul, 2022
Kosmos 2547--25 Oct, 2020
Kosmos 2545--16 Mar, 2020
Kosmos 2544--11 Dec, 2019
Kosmos 2534--27 May, 2019
Kosmos 2529--03 Nov, 2018
Kosmos 2527--16 Jun, 2018


Satellite NameOrbit Date
Navstar 82Medium Earth Orbit19 Jan, 2023
Navstar 81Medium Earth Orbit17 Jun, 2021
Navstar 78Medium Earth Orbit22 Aug, 2019
Navstar 77Medium Earth Orbit23 Dec, 2018
Navstar 76Medium Earth Orbit05 Feb, 2016
Navstar 75Medium Earth Orbit31 Oct, 2015
Navstar 74Medium Earth Orbit15 Jul, 2015
Navstar 73Medium Earth Orbit25 Mar, 2015
Navstar 72Medium Earth Orbit29 Oct, 2014
Navstar 71Medium Earth Orbit02 Aug, 2014


Satellite NameOrbit Date
NVS-01Geostationary Orbit (GEO)29 May, 2023
IRNSS-1IInclined Geosynchronous Orbit (IGSO)12 Apr, 2018
IRNSS-1HSub Geosynchronous Transfer Orbit (Sub-GTO)31 Aug, 2017
IRNSS-1GGeostationary Orbit (GEO)28 Apr, 2016
IRNSS-1FGeostationary Orbit (GEO)10 Mar, 2016
IRNSS-1EGeosynchronous Orbit (IGSO)20 Jan, 2016
IRNSS-1DInclined Geosynchronous Orbit (IGSO)28 Mar, 2015
IRNSS-1CGeostationary Orbit (GEO)16 Oct, 2014
IRNSS-1BInclined Geosynchronous Orbit (IGSO)04 Apr, 2014
IRNSS-1AInclined Geosynchronous Orbit (IGSO)01 Jul, 2013