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The Aircraft Classification Number (ACN) – Pavement Classification Number (PCN) method is a standardized international airport pavement rating system promulgated by the ICAO in 1981. The method has been the official ICAO pavement rating system for pavements intended for aircraft of apron (ramp) mass greater than 5700 kg from 1981 to 2020. [ 1 ]
Program Composition Notation (PCN) is a specification notation for building up larger programs from smaller modules or programs (usually written in C or Fortran ...
The Dynamic Analysis and Replanning Tool, commonly abbreviated to DART, is an artificial intelligence program [1] used by the U.S. military to optimize and schedule the transportation of supplies or personnel and solve other logistical problems.
The method is scheduled to replace the ACN-PCN method as the official ICAO pavement rating system by November 28, 2024. [1] The method uses similar concepts as the ACN-PCN method, however, the ACR-PCR method is based on layered elastic analysis, uses standard subgrade categories for both flexible and rigid pavement, and eliminates the use of ...
Interactive maps, databases and real-time graphics from The Huffington Post
In mass spectrometry, direct analysis in real time (DART) is an ion source that produces electronically or vibronically excited-state species from gases such as helium, argon, or nitrogen that ionize atmospheric molecules or dopant molecules. The ions generated from atmospheric or dopant molecules undergo ion-molecule reactions with the sample ...
Personal communications network (PCN) is the European digital cellular mobile telephone network. The underlying standard is known as Digital Cellular System, which defines a variant of GSM operating at 1.7–1.88 GHz. GSM-1800 has since been adopted by other locations, not necessarily under the PCN/DCS name. The network structure, the signal ...
The pCN algorithm is well-defined, with non-degenerate acceptance probability, even for target distributions on infinite-dimensional Hilbert spaces. As a consequence, when pCN is implemented on a real-world computer in large but finite dimension N , i.e. on an N -dimensional subspace of the original Hilbert space, the convergence properties ...