fathom(s)
fm
fm.Fm
fermium
FM
frequency-modulation broadcasting or sound transmission characterized by high fidelity and a low level of noise and static
FM
frequency modulation
Webster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Fm
The symbol for fermium
FM
abbreviation
- field manual
- field marshal
- frequency modulation
fm.
abbreviation
fathom
THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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"fm." YourDictionary, n.d. Web. 19 December 2018. <https://www.yourdictionary.com/fm>.
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fm. (n.d.). Retrieved December 19th, 2018, from https://www.yourdictionary.com/fm
The symbol for fermium
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"fm." YourDictionary, n.d. Web. 19 December 2018. <https://www.yourdictionary.com/fm>.
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fm. (n.d.). Retrieved December 19th, 2018, from https://www.yourdictionary.com/fm
Symbol
- abbreviation for Fathom
Symbol
- (chemistry) Symbol for fermium.
Abbreviations
See also: fm| Country code top-level domains |
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English Wiktionary. Available under CC-BY-SA license.
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fm - Computer Definition
Also known as frequency-shift keying (FSK). A signal modulation technique in which the frequency of the analog carrier sine wave is varied to distinguish between a 1 bit and a 0 bit. For example, FM is the sole technique used in low-speed, Hayes-compatible modems. When no bits are transmitted, the carrier is at a reference frequency of 1700 Hz. A unibit FM technique impresses one bit on each baud by shifting the carrier to 2200 Hz when transmitting a 1 bit, and to 1200 Hz when transmitting a 0 bit. At 2400 baud, therefore, the transmission rate is 2400 bps.The benefits of dibit transmission can be realized by defining four frequencies, with each sine wave or set of sine waves representing a 2-bit pattern (00, 01, 10, and 11).Thereby, at 2400 baud, the transmission rate is 4800 bps. Figure F-3 illustrates unibit frequency modulation, with the carrier waveform modulated to a relatively high frequency to represent a 1 bit and to a relatively low frequency to represent a 0 bit. FM often is used in conjunction with amplitude modulation (AM) and phase-shift keying (PSK). A variation on the FSK theme is Gaussian frequency-shift keying (GFSK), which is used in DECT and Bluetooth wireless networks. See also AM, analog, Bluetooth, carrier, DECT, GFSK, modulation, PSK, sine wave, and transmission rate.
Webster's New World Telecom Dictionary Copyright © 2010 by Wiley Publishing, Inc., Indianapolis, Indiana.
Used by arrangement with John Wiley & Sons, Inc.
Used by arrangement with John Wiley & Sons, Inc.
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See frequency modulation.
Computer Desktop Encyclopedia THIS DEFINITION IS FOR PERSONAL USE ONLY All other reproduction is strictly prohibited without permission from the publisher. © 1981-2017 The Computer Language Company Inc. All rights reserved.
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