When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    Principle. When a traditional RACON receives a radar pulse, it responds with a signal which on a radar screen takes the form of a short line of dashes and dots forming a Morse character radiating away from the location of the beacon. Typically, the Morse character starts with a dash – a long, continuous signal.

  3. Identification friend or foe - Wikipedia

    en.wikipedia.org/wiki/Identification_friend_or_foe

    Modern interrogators generally send out a series of challenges on Mode 3/A and then Mode C, allowing the system to combine the identity of the aircraft with its altitude and location from the radar. IFF Mark XII. The current IFF system is the Mark XII.

  4. Traffic collision avoidance system - Wikipedia

    en.wikipedia.org/wiki/Traffic_collision...

    A traffic alert and collision avoidance system ( TCAS, pronounced / tiːkæs /; TEE-kas ), is an aircraft collision avoidance system designed to reduce the incidence of mid-air collision (MAC) between aircraft. It monitors the airspace around an aircraft for other aircraft equipped with a corresponding active transponder, independent of air ...

  5. Aviation transponder interrogation modes - Wikipedia

    en.wikipedia.org/wiki/Aviation_transponder...

    The aviation transponder interrogation modes are the standard formats of pulsed sequences from an interrogating Secondary Surveillance Radar (SSR) or similar Automatic Dependent Surveillance-Broadcast (ADS-B) system. The reply format is usually referred to as a "code" from a transponder, which is used to determine detailed information from a ...

  6. Glossary of video game terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_video_game_terms

    The attract mode for the arcade game San Francisco Rush: The Rock showcasing one of the racetracks available to play in the game. Also display mode and show mode. A pre-recorded demonstration of a video game that is displayed when the game is not being played.

  7. Track while scan - Wikipedia

    en.wikipedia.org/wiki/Track_while_scan

    In track-while-scan mode the radar has the ability to acquire and lock/track multiple targets while simultaneously providing a view of the surrounding airspace, which in turn aids the pilot and or operator in maintaining better situational awareness.

  8. Three-body problem - Wikipedia

    en.wikipedia.org/wiki/Three-body_problem

    When three bodies orbit each other, the resulting dynamical system is chaotic for most initial conditions, and the only way to predict the motions of the bodies is to calculate them using numerical methods. The three-body problem is a special case of the n -body problem.

  9. Hypervigilance - Wikipedia

    en.wikipedia.org/wiki/Hypervigilance

    Hypervigilance is a condition in which the nervous system is inaccurately filtering sensory information and the individual is in an enhanced state of sensory sensitivity. This appears to be linked to a dysregulated nervous system which can often be caused by traumatic events or PTSD. [1] Normally, the nervous system releases stress signals (e.g ...

  10. Noisy investigation - Wikipedia

    en.wikipedia.org/wiki/Noisy_investigation

    Noisy investigation. Noisy investigations are used by the Church of Scientology to intimidate, harass, and attack their enemies. The Church used to openly label such people as fair game. The goal of a noisy investigation may not be to find out anything, but to harass the person being investigated.

  11. Unified Payments Interface - Wikipedia

    en.wikipedia.org/wiki/Unified_Payments_Interface

    Unified Payments Interface (UPI) Product type Instant inter-bank payment system Owner National Payments Corporation of India Produced by National Payments Corporation of India Country India Introduced 11 April 2016 ; 8 years ago (2016-04-11) Website www.upichalega.com Unified Payments Interface, commonly referred to as UPI, is an Indian instant payment system as well as protocol developed by ...