These examples are from the Cambridge English Corpus and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. The main advantages of dead reckoning location are its low cost and its easy implementation and exploitation. From Cambridge English Corpus. Dead reckoning is usually performed by odometry, which involves the integration of wheel rotation increments over time to estimate the position of a vehicle.
Dead Reckoning by Mercedes Lackey
This experiment is an illustration of the drawback of dead reckoning. Due to our localization scheme that completely relies on the dead reckoning , the final position of the robot was deviated from the actual target position. In this system, called dead reckoning or inertial navigation, movement is automatically used to update location information. This greatly reduced the odometry error in comparison with pure dead reckoning.
Positions and heading angle from dead reckoning are redrawn on computer screen overlapped with a hand measured map.
Understanding Dead Reckoning
They are effectively dead reckoning all the time. The evidence adduced includes observations of usage including gestures , experimental tasks in spatial memory, dead reckoning , statistical analysis of aggregate results, and a good dose of linguistic analysis.
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- Continues positioning even in the tunnels. Effective also in urban canyons.;
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Two different types of locations are possible: dead reckoning location or absolute location. In addition, radar, satellite, the global positioning system and visual fixes, dead reckoning and electronic route following can be used.
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From the Hansard archive. They have to rely on dead reckoning to do that.
The airships relied largely on dead reckoning , supplemented by a radio direction-finding system of limited accuracy. From Wikipedia. The case is often referred to as an instance of the extreme uncertainty of the determination of longitude by dead reckoning only. Longitude was predicted by dead reckoning , an impossible task given the storm conditions, strong currents and length of time involved.
Need a translator? This would give the speed of the ship. Knowing the direction from a compass would give the direction. From these two numbers an estimate a good guess could be made about the current location of the vehicle. However, a wind pushes the vehicle to one side called drift so this needs to be measured as well. Also there are currents in the water, even in the middle of the ocean.
Over time this could make errors as well, so charts were made to correct for currents. Airplanes can measure their windspeed easily how fast they are going through the air , but not how fast they are moving over the land called ground speed. A head wind, tail wind, or cross wind changes the ground speed. If the altitude of the plane is known, then the ground speed can be found by timing how fast the plane goes past an object on the ground.
The Walking Dead: Dead Reckoning
The higher you are, the slower the ground seems to move. A window on the floor of the airplane can be used to find the ground speed and the drift of the airplane. A vehicle on ground can also use dead reckoning. Usually they do not need to worry about drift from the wind, and there are no currents on land, so this reckoning is easier.
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