NDLI: Designing and implementing a system of multiplexing and demultiplexing on FPGA using MATLAB/simulink for the detection of acoustic signals

Content Provider	IEEE Xplore Digital Library
Author	Abdillahi-Said, M. Park, C.
Copyright Year	2008
Description	Author affiliation: Univ. du Quebec a Rimouski, Rimouski, QC, Canada (Abdillahi-Said, M.; Park, C.)
Abstract	In order to locate the source of a sound in the sea, we can use a series of hydrophones. We can go up to a dozen, more we have, the better accuracy. But when descending to depths very significant (1 km), all wiring becomes heavy. Indeed, each hydrophone requires a pair of wire twisted in addition to other wires when they are equipped with a pre-amplification circuit. Ultimately, the power cable becomes very large and very cumbersome when it comes to the wind, especially if it is deployed over several hundred meters. Thus, our mission is to develop a technique to reduce the diameter of the cable carrying the information captured by hydrophones, priority or other sensors plunged into the sea, to a computer to the surface. The proposed solution is to send each hydrophone signals through an optical fiber. The challenge is therefore to develop a technique to convert signals from several hydrophones and multiplex them through an optical fiber. Then, the signals transmitted are converted into electrical signals to store in .wav format on the hard disk of a computer. The use of an optical fiber is justified by the fact that they can transmit a considerable amount of information thus reducing the number and size of transmission cables. In this paper we will explain the general system architecture including optical fiber transmission system and especially we will show the implementation of the multiplexer and de-multiplexer system on FPGA using MATLAB/Simulink with system generator in Xilinx system.
Starting Page	1
Ending Page	6
File Size	754347
Page Count	6
File Format	PDF
ISBN	9781424426195
DOI	10.1109/OCEANS.2008.5152018
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-15
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Signal design Demultiplexing Field programmable gate arrays MATLAB Acoustic signal detection Signal detection Sonar equipment Optical fibers Power cables Optical fiber cables
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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