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2. Synthetic-aperture radar - Wikipedia

   en.wikipedia.org/wiki/Synthetic-aperture_radar

   Synthetic-aperture radar ( SAR) is a form of radar that is used to create two-dimensional images or three-dimensional reconstructions of objects, such as landscapes. [ 1] SAR uses the motion of the radar antenna over a target region to provide finer spatial resolution than conventional stationary beam-scanning radars.

3. Space-based radar - Wikipedia

   en.wikipedia.org/wiki/Space-based_radar

   Space-based radar ( SBR) is a proposed constellation of active radar satellites for the United States Department of Defense. The SBR system would allow detection and tracking of aircraft, ocean-going vessels (similar to the Soviet US-A program), and potentially land vehicles from space. This information would then be relayed to regional and ...

4. List of Earth observation satellites - Wikipedia

   en.wikipedia.org/wiki/List_of_Earth_observation...

   NASA, Roscosmos, JAXA, ESA, and CSA. 1998. The International Space Station (ISS) has long been used as a central satellite platform for other sensors, including Earth observation sensors. For example: LIS, SAGE III, TSIS-I, ECOSTRESS, GEDI, OCO-3, Diwata-1, and HICO . Jason-3.

5. TerraSAR-X - Wikipedia

   en.wikipedia.org/wiki/TerraSAR-X

   Satellite and mission. Using a phased array synthetic aperture radar (SAR) antenna ( X-band wavelength 31mm, frequency 9.65 GHz [ 2] ), TerraSAR-X provides radar images of the entire planet from an Earth polar orbit of 514km altitude. This is selected so that the satellite follows a Sun-synchronous orbit. This specific orbit means that the ...

6. Imaging radar - Wikipedia

   en.wikipedia.org/wiki/Imaging_radar

   Imaging radar is an application of radar which is used to create two-dimensional images, typically of landscapes. Imaging radar provides its light to illuminate an area on the ground and take a picture at radio wavelengths. It uses an antenna and digital computer storage to record its images.

7. Radarsat-2 - Wikipedia

   en.wikipedia.org/wiki/Radarsat-2

   Geocentric. Regime. Sun-synchronous. RADARSAT-2 is a Canadian Space Agency (CSA) Earth observation satellite. It launched on 14 December 2007 aboard a Starsem Soyuz-FG rocket from Baikonur Cosmodrome, Kazakhstan. [ 1] The spacecraft is owned by MDA (formerly MacDonald Dettwiler and Associates.)