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An International Terrestrial Reference Frame (ITRF) is a realization of the ITRS. Its origin is at the center of mass of the whole earth including the oceans and atmosphere. New ITRF solutions are produced every few years, using the latest mathematical and surveying techniques to attempt to realize the ITRS as precisely as possible.
ITRS may refer to: International Technology Roadmap for Semiconductors , an international body for guiding the semiconductor industry International Terrestrial Reference System , for creating earth measurement reference frames
The organization was divided into Technical Working Groups (TWGs) which eventually grew in number to 17, each focusing on a key element of the technology and associated supply chain. Traditionally, the ITRS roadmap was updated in even years, and completely revised in odd years. [7] The last revision of the ITRS Roadmap was published in 2013.
The origin of the 180 nm value is historical, as it reflects a trend of 70% scaling every 2–3 years. [citation needed] The naming is formally determined by the International Technology Roadmap for Semiconductors (ITRS).
The model has been successfully used in CAD/EDA simulation tools. [7] The official ITRS definition of the acronym MASTAR is Model for Assessment of CMOS Technologies And Roadmaps. [8] This software [9] [10] [11] is developed by STMicroelectronics and is freely distributed on ITRS organization web site.
AIT – array induction tool; AL – appraisal license (United Kingdom), a type of onshore licence issued before 1996; ALAP – as low as possible (used along with density of mud) ALARP – as low as reasonably practicable; ALC – vertical seismic profile acoustic log calibration report; ALLMS – anchor leg load monitoring system
[1] [2] [3] The GRS80 gravity model has been followed by the newer more accurate Earth Gravitational Models, but the GRS80 reference ellipsoid is still the most accurate in use for coordinate reference systems, e.g. for the international ITRS, the European ETRS89 and (with a 0,1 mm rounding error) for WGS 84 used for the American Global ...
The International Roadmap for Devices and Systems, or IRDS, is a set of predictions about likely developments in electronic devices and systems.The IRDS was established in 2016 and is the successor to the International Technology Roadmap for Semiconductors.