dead reckoning


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dead reckoning

n.
1. A method of estimating the position of a vehicle such as an aircraft or a ship based on its previous position and its course and speed over a known interval of time.
2. Predictive calculation based on inference; guesswork.

[Possibly alteration of ded., abbr. of deduced, from deduce, to trace from the beginning; see deduce.]

dead reckoning

n
(Navigation) a method of establishing one's position using the distance and direction travelled rather than astronomical observations

dead′ reck′oning


n.
Navig. calculation of one's position on the basis of compass readings, speed, and distance run from a known point, with allowances for drift from wind, currents, etc.
[1605–15]
dead′-reck′on, v.t.
dead′-reck′on•er, n.

dead reckoning

- A calculation based on guesswork.
See also related terms for reckoning.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.dead reckoning - an estimate based on little or no informationdead reckoning - an estimate based on little or no information
approximation, estimate, estimation, idea - an approximate calculation of quantity or degree or worth; "an estimate of what it would cost"; "a rough idea how long it would take"
2.dead reckoning - navigation without the aid of celestial observations
navigation, pilotage, piloting - the guidance of ships or airplanes from place to place
References in classic literature ?
"Variation and deviation are used in setting courses and estimating dead reckoning."
"Sailing one direction, drifting another direction, to say nothing of the set of the current in some third direction, makes a resultant which dead reckoning can never calculate.
In the midst of this chopping sea of civilized life, such are the clouds and storms and quicksands and thousand-and-one items to be allowed for, that a man has to live, if he would not founder and go to the bottom and not make his port at all, by dead reckoning, and he must be a great calculator indeed who succeeds.
Dead Reckoning, a follow-up to their self-titled debut in 2014, was released this summer.
We have also studied how low cost RTK-SN performs in urban environments [17] using the same control PCB as presented here, and came to the conclusion that it performs well even when the view of the sky is poor given that multiple satellite constellations and/or sensor fusion with dead reckoning is used.
This is the "Dead Reckoning Equation", as long as the initial pose ([x.sub.0],[y.sub.0],[r.sub.0]), ds and dr are known, the subsequent poses can be calculated then.
The ultrasonic anemometer can be used without stationary motion and can measure the velocity of a mobile robot directly as a method of localization from dead reckoning. Also a Kalman filter is designed to combine data from the accelerometer and the ultrasonic anemometer.
Existing techniques include fusion of extro-receptive and dead reckoning techniques [10-12, 14] by using stochastic filters such as Kalman filter [18], Extended Kalman filter [19] and Particle filters [12] for sensor fusion.
For additional speed/distance (and route) accuracy, for GPS-enabled wrist-worn devices that track the users' walk/run/hike analytics, InvenSense recently launched Coursa Sports, a cloud-based Software as a Service fitness tracking sensor platform solution that delivers the same accuracy as GPS at a fraction of the power due to its GPS duty cycling and inertial dead reckoning algorithms.
Then conduct formal classes on map reading and land navigation skills such as dead reckoning, terrain association, catching features, linear backstops, and attack points to name a few.
The concepts of fix, running fix, estimated position, dead reckoning, and assumed position are also discussed.
The element of movement--or what Baladran calls performative reading, in which the viewer moves around in order to access and read a given textual narrative--is something the artist frequently explores, for instance in recent projects such as Dead Reckoning, 2014, or Preliminary Report, 2013, in which text was printed on long, thin strips of paper suspended from the ceiling in an organic form and on sheets of paper organized and hung in rows on a metal cord.