observed drift

См. также в других словарях:

• Drift Sight — This article is about the World War I bombsight. For the aircraft instrument for measuring wind speeds, see drift meter. A Mk. I Drift Sight mounted on the side of an Airco DH.4. The lever just in front of the bomb aimer s fingertips sets the… …   Wikipedia

• Drift ice — Drift ice, Greenland Drift ice is ice that floats on the surface of the water in cold regions, as opposed to fast ice, which is attached ( fastened ) to a shore. Usually drift ice is carried along by winds and sea currents, hence its name, drift… …   Wikipedia

• Concept drift — In predictive analytics and machine learning, the concept drift means that the statistical properties of the target variable, which the model is trying to predict, change over time in unforeseen ways. This causes problems because the predictions… …   Wikipedia

• Clock drift — refers to several related phenomena where a clock does not run at the exact right speed compared to another clock. That is, after some time the clock drifts apart from the other clock. This phenomenon is also used for instance in computers to… …   Wikipedia

• Tokyo Drift — A perception that Japan’s new government is distancing itself from the United States. The Times’s Helene Cooper recently observed: President Obama will arrive in Tokyo on Friday, at a time when America’s relations with Japan are at their most… …   Dictionary of unconsidered lexicographical trifles

• continental drift —   theory that the land mass of the earth was once held as a single continent which has since split into segments which have drifted apart and into the modern configuration of the continents. Proposed by Alfred Wegener in 1912, based on observed… …   Geography glossary

• Polar Alignment — is the act of aligning the rotational axis of a telescopes equatorial mount in parallel with the rotational axis of the earth.There are various ways to achieve this. Alignment Methods The method to use differ depending on if the alignment is… …   Wikipedia

• geomagnetic field — Magnetic field associated with the Earth. It is essentially dipolar (i.e., it has two poles, the northern and southern magnetic poles) on the Earth s surface. Away from the surface, the field becomes distorted. Most geomagnetists explain the… …   Universalium

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• Dayton Miller — Dayton C. Miller Circa 1921 Born March 13, 1866( …   Wikipedia

• evolution — evolutional, adj. evolutionally, adv. /ev euh looh sheuhn/ or, esp. Brit., /ee veuh /, n. 1. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. 2. a product of such development; something… …   Universalium