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Constant false alarm rate (CFAR) detection is a common form of adaptive algorithm used in radar systems to detect target returns against a background of noise, clutter and interference. [ 1 ] Principle
Automatic target recognition (ATR) is the ability for an algorithm or device to recognize targets or other objects based on data obtained from sensors.. Target recognition was initially done by using an audible representation of the received signal, where a trained operator who would decipher that sound to classify the target illuminated by the radar.
Track algorithm operation depends upon a track file, which contains historical track data, and a computer program that periodically updates the track file. [ 3 ] Sensors information (radar, sonar, and transponder data) is provided to the track algorithm using a polar coordinate system , and this is converted to cartesian coordinate system for ...
Image credits: Nature Photographer of the Year (NPOTY) 2024 #3 Category Mammals: Highly Commended, "Gone Fishing" By Hannes Lochner "A small-spotted genet visits a water pond for a sip and ...
New York to get 'state-of-the-art' detection system. ... These photos were taken on Dec. 8 in Toms River, N.J. Drone sightings won't be a 'Hollywood movie' Rep. James Himes, D-Connecticut, in an ...
Small object detection is a particular case of object detection where various techniques are employed to detect small objects in digital images and videos. "Small objects" are objects having a small pixel footprint in the input image. In areas such as aerial imagery, state-of-the-art object detection techniques under performed because of small ...
If you want to take a closer look at nature's wonders, you've come to the right place!Ian Granström, a photographer from Southern Finland, captures intimate wildlife images of foxes, birds, elk ...
Passive radar (also referred to as parasitic radar, passive coherent location, passive surveillance, and passive covert radar) is a class of radar systems that detect and track objects by processing reflections from non-cooperative sources of illumination in the environment, such as commercial broadcast and communications signals.