acoustic modem

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Noun1.acoustic modem - a modem that converts electrical signals to telephone tones and back againacoustic modem - a modem that converts electrical signals to telephone tones and back again
modem - (from a combination of MOdulate and DEModulate) electronic equipment consisting of a device used to connect computers by a telephone line
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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However, referring to existing underwater acoustic modem hardware design [11, 12], each packet has a relatively long preamble before the payload, which may last from 0.5 s to 1.5 s.
Time- stamped data from pressure and attitude sensors are transmitted through an ROV hot stab connection or an acoustic modem. When installing the structure, the operator has full online feedback of its heading and deflection.
The methodology is easily extendable to real-time fatigue monitoring using a cabled system or acoustic modem to transmit data to the surface.
Fetch is a long-life seabed sensor node that enables wireless data extraction via its integrated high speed acoustic modem, made possible by the development of Wideband 2.
Part 1: 'Optical and Acoustic Sensors' which is comprised of seven articles ranging from optical fiber sensors, to designing a low-cost underwater acoustic modem. Part 2: Magnetic and Mechanical Sensors comprising five articles ranging from the accurate scanning of magnetic fields to self-powered wireless sensing in ground transport applications.
"We were able to very quickly adapt the DeepSiren software-defined acoustic modem to accommodate the unique requirements of the Arctic Submarine Laboratory."
When all of its T1 and fiber lines went down, the POTS line and a laptop with an acoustic modem saved the day.
To remove the acoustic modem bottleneck, various digital subscriber line (xDSL) technologies have been developed.
Each console contains: (1) an RTU, (2) a transceiver radio, (3) an acoustic modem, (4) a master central processing unit, (5) valve, sphere, and sphere static position status displays, (6) remote/local valve control, (7) four manual valve switches, (8) eight timer relays for valve open/close, and (9) power supplies.
PHOTO : A typical remote-diagnostic hook up, via acoustic modem, that links the machine CNC to service-center expertise.
The Manual-Dial Acoustic modem. Enter the terminal mode.

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