angular direction sensor
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Yaw rate sensor — A yaw rate sensor is a gyroscopic device that measures a vehicle’s angular velocity around its vertical axis. The output is usually in degrees per second or radians per second. The angle between the vehicle s heading and vehicle actual movement… … Wikipedia
radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… … Universalium
Real-time locating — Articleissues confusing=July 2008 refimprove=May 2008 essay=May 2008: This page specifically concerns operational aspects of RTLS. For methodology issues see locating engine. For technology issues see wireless. According to ISO/IEC JTC1 SC31 and… … Wikipedia
Gametrak — is a brand of 3 dimensional game control systems based on position tracking, designed for home video game platforms such as video game consoles and personal computers. The first Gametrak was invented in 2000 by Elliott Myers, who developed and… … Wikipedia
Inertial Reference Unit — An Inertial Reference Unit (IRU) is a type of inertial sensor which uses only gyroscopes to determine a moving aircraft’s or spacecraft’s change in angular direction (referred to as delta theta or Δθ) over a period of time. Unlike the Inertial… … Wikipedia
yaw indicator — A device that measures the angular direction of the airflow relative to the longitudinal vertical plane of the aircraft. This may be accomplished by a balanced vane or by a differential pressure sensor that aligns the detector to the airflow and … Aviation dictionary
Optics — For the book by Sir Isaac Newton, see Opticks. Optical redirects here. For the musical artist, see Optical (artist). Optics includes study of dispersion of light. Optics is the branch of … Wikipedia
Inertial navigation system — An Inertial Navigation System (INS) is a navigation aid that uses a computer and motion sensors to continuously track the position, orientation, and velocity (direction and speed of movement) of a vehicle without the need for external references … Wikipedia
Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea … Wikipedia
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
Adaptive optics — (AO) is a technology used to improve the performance of optical systems by reducing the effects of rapidly changing optical distortion. It is used in astronomical telescopes and laser communication systems to remove the effects of atmospheric… … Wikipedia
