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  2. Infrared search and track - Wikipedia

    en.wikipedia.org/wiki/Infrared_search_and_track

    An IRST sensor on a Sukhoi Su-35. An Infrared Search and Track (IRST) system (sometimes known as infrared sighting and tracking) is a method for detecting and tracking objects which give off infrared radiation, such as the infrared signatures of jet aircraft and helicopters.

  3. Forward-looking infrared - Wikipedia

    en.wikipedia.org/wiki/Forward-looking_infrared

    Medium-wave (MWIR) cameras operate in the 3–5 μm range. These can see almost as well, since those frequencies are less affected by water-vapor absorption, but generally require a more expensive sensor array, along with cryogenic cooling. Many camera systems use digital image processing to improve the image quality.

  4. Passive infrared sensor - Wikipedia

    en.wikipedia.org/wiki/Passive_infrared_sensor

    A PIR motion detector used to control an outdoor, automatic light. A camera trap with PIR motion detector. ... an effective range of about 10 meters (30 feet), and a ...

  5. Long-Range Reconnaissance and Observation System - Wikipedia

    en.wikipedia.org/wiki/Long-Range_Reconnaissance...

    Long-Range Reconnaissance and Observation System or LORROS is a sensor system developed by Elbit Systems to provide long-range daytime and night-time surveillance. The unit consists of Forward looking infrared (FLIR) and Charge-coupled device (CCD) image sensors. Optional components include eyesafe laser rangefinder, built-in compass and ...

  6. Motion detector - Wikipedia

    en.wikipedia.org/wiki/Motion_detector

    A motion detector attached to an outdoor, automatic light. A motion detector is an electrical device that utilizes a sensor to detect nearby motion (motion detection).Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.

  7. Thermography - Wikipedia

    en.wikipedia.org/wiki/Thermography

    Thermographic cameras usually detect radiation in the long-infrared range of the electromagnetic spectrum (roughly 9,000–14,000 nanometers or 9–14 μm) and produce images of that radiation, called thermograms.

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