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Radar beacon. Racon signal as seen on a radar screen. This beacon receives using sidelobe suppression and transmits the letter "Q" in Morse code near Boston Harbor (Nahant) 17 January 1985. Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1 ...
Optics Classification and Indexing Scheme (OCIS) is a categorization scheme used to encode the topic of an article or presentation in a 7-digit code. The system is used by the Optical Society of America in the organization of conferences and for journal publications.
Cone tracing solves certain problems related to sampling and aliasing, which can plague conventional ray tracing. However, cone tracing creates a host of problems of its own. For example, just intersecting a cone with scene geometry leads to an enormous variety of possible results. For this reason, cone tracing has remained mostly unpopular.
The National Crime Information Center ( NCIC) is the United States' central database for tracking crime-related information. The NCIC has been an information sharing tool since 1967. [1] It is maintained by the Criminal Justice Information Services Division (CJIS) of the Federal Bureau of Investigation (FBI) and is interlinked with federal ...
The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web. AOL.
Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. . Released in beta in November 2004, the Google Scholar index includes peer-reviewed online academic journals and books, conference papers, theses and dissertations, preprints, abstracts, technical reports, and other ...
Global Medical Device Nomenclature ( GMDN) is a system of internationally agreed generic descriptors used to identify all medical device products. This nomenclature is a naming system for products which include those used for the diagnosis, prevention, monitoring, treatment or alleviation of disease or injury in humans.
User-generated database of comparison between original tracks and covers, or songs that use samples. 460,000. 150,000. SIMUC. Chilean music and musicians. SIMUC is a Non-profit organisation that collects data on composers, academics, institutions, people and other topics related to classical music and Chile .
Elasticsearch is a search engine based on the Lucene library. It provides a distributed, multitenant -capable full-text search engine with an HTTP web interface and schema-free JSON documents. Elasticsearch is developed in Java and is dual-licensed under the ( source-available) Server Side Public License and the Elastic license, [2] while other ...
Line search. In optimization, line search is a basic iterative approach to find a local minimum of an objective function . It first finds a descent direction along which the objective function will be reduced, and then computes a step size that determines how far should move along that direction. The descent direction can be computed by various ...