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Synthetic-aperture radar (SAR) is a form of radar which moves a real aperture or antenna through a series of positions along the objects to provide distinctive long-term coherent-signal variations. This can be used to obtain higher resolution.
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.
Synthetic aperture radar image of Death Valley colored using polarimetry. Radar remote sensing is a type of active remote Sensing which uses electromagnetic energy backscattered from ground targets to extract physical and dielectric behavior. [1]
However, since humans reflect far less radar energy than metal does, these systems require sophisticated technology to isolate human targets and moreover to process any sort of detailed image. Through-the-wall radars can be made with Ultra Wideband impulse radar, micro-Doppler radar, and synthetic aperture radar (SAR). [5] Imaging radar; 3D radar
Synthetic aperture radar (SAR) allow for an angular resolution beyond real beamwidth by moving the aperture over the target, and adding the echoes coherently. Architecture : The field of view is scanned with a highly directive frequency-orthogonal (slotted waveguide), spatially orthogonal (switched beamforming networks), or time-orthogonal beams.
Side-looking airborne radar (SLAR) is an aircraft, [1] or satellite-mounted imaging radar pointing perpendicular to the direction of flight (hence side-looking). [2] A squinted (nonperpendicular) mode is also possible. SLAR can be fitted with a standard antenna (real aperture radar) or an antenna using synthetic aperture.
Capella Space is an American space company with satellite and unclassified SAR data solutions for government and commercial use. It offers space-based radar Earth observation satellites equipped with synthetic-aperture radar that can collect imagery through clouds and at night. [1]
The Northrop Grumman AN/ZPY-1 STARLite Small Tactical Radar - Lightweight [1] is a small, lightweight synthetic aperture radar/GMTI radar used in tactical operations. The radar is under contract to the U.S. Army Communications and Electronics Command for its ERMP General Atomics MQ-1C Gray Eagle Unmanned Aerial System and is manufactured by Northrop Grumman. [2]
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