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In a radio receiver, a beat frequency oscillator or BFO is a dedicated oscillator used to create an audio frequency signal from Morse code radiotelegraphy transmissions to make them audible. The signal from the BFO is mixed with the received signal to create a heterodyne or beat frequency which is heard as a tone in the speaker.
BFO is an abbreviation that stands for: Basic Formal Ontology; Beat frequency oscillator used to create an audio frequency signal for receiving continuous wave (Morse code) transmissions; The Black Forest Observatory in Germany; BiFeO 3 (Bismuth ferrite), an inorganic chemical compound; Boron monofluoride monoxide; Budapest Festival Orchestra
ISO/IEC 21838-2 [2] describes how Basic Formal Ontology (BFO) satisfies the requirements of ISO/IEC 21838-1. BFO is an ontology developed by Barry Smith and his collaborators. A BFO textbook was published in 2015 [17] [18] to promote interoperability among the very large number of domain ontologies [19] [20] built using its terms and relational ...
Learn what merchant codes are and how an MCC affects businesses and credit card users. ... Merchant code range. Business type. 0001–1499. Agricultural services. 1500–2999. Contracted services.
BI – Business intelligence; BIC – Bank identifier code; bldg. – Building; BLS – Balance sheet; BOM – Bill of materials; BPO – Business process outsourcing; BPR – Brief project report; BPV – Bank payment voucher; BRD – Business requirements document; BRU – Business recovery unit; BRV – Bank receipt voucher; BTW – By the ...
A Florida-bound flight crew witnessed strange orbs glowing and darting around in the night sky while flying over the Bahamas at high altitude, according to a report.
The foodservice (US English) or catering (British and Commonwealth English) industry includes the businesses, institutions, and companies which prepare meals outside the home. [1] It includes restaurants , grocery stores , school and hospital cafeterias , catering operations, and many other formats.
Cancer is typically treated with surgery, radiation and sometimes chemotherapy. But a new study suggests this standard protocol might not be necessary for a common form of early-stage breast cancer.