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Side-scan uses a sonar device that emits conical or fan-shaped pulses down toward the seafloor across a wide angle perpendicular to the path of the sensor through the water, which may be towed from a surface vessel or submarine (called a “towfish”), or mounted on the ship's hull. The intensity of the acoustic reflections from the seafloor ...
Hummingbird - Wikipedia ... Hummingbird
Lucky imaging is one of several methods used to remove atmospheric blurring. Used at a 1% selection or less, lucky imaging can reach the diffraction limit of even 2.5 m aperture telescopes, a resolution improvement factor of at least five over standard imaging systems. Zeta Bootis imaged with the Nordic Optical Telescope on 13 May 2000 using ...
Telecentric lens
Synthetic-aperture radar
Magnetic resonance imaging
Single-photon emission computed tomography
Biophotonics - Wikipedia ... Biophotonics