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The submarine-cable depthometer
Electrical Engineering, 1939THE PROBLEM of plowing submarine cables into the ground or sand making up the bottom of the ocean requires a means of checking the depth of burial of the cable after the plowing operation has been completed. Measuring the actual depth in inches below the surface of the ground is the purpose of a magnetic detecting and measuring device known as the ...
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Path Planning of Submarine Cables
2019 21st International Conference on Transparent Optical Networks (ICTON), 2019Submarine optical-fiber cables are key components in the conveying of Internet data, and their failures have costly consequences. Currently, there are over a million km of such cables empowering the Internet. To carry the ever-growing Internet traffic, additional 100,000s of km of cables will be needed in the next few years.
Qing Wang 0022 +6 more
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Journal of the American Institute of Electrical Engineers, 1922
The history of the development of the subject is first outlined, and methods of operation of cables are described. The technical side is introduced with a statement of the various conditions whi h limit operation of cables, and a general method of analysis is developed, based upon an extension of ordinary alternating-current theory.
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The history of the development of the subject is first outlined, and methods of operation of cables are described. The technical side is introduced with a statement of the various conditions whi h limit operation of cables, and a general method of analysis is developed, based upon an extension of ordinary alternating-current theory.
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2017 European Conference on Optical Communication (ECOC), 2017
Open Cable design enables the most efficient modulation. We transport 8QAM over 10,940 km. Also, we achieved a record 4 b/s/Hz for Trans-Pacific production system. Using G-OSNR, we estimate the potential capacity of FASTER cable with Probabilistic Constellation Shaping solutions.
Valey Kamalov +10 more
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Open Cable design enables the most efficient modulation. We transport 8QAM over 10,940 km. Also, we achieved a record 4 b/s/Hz for Trans-Pacific production system. Using G-OSNR, we estimate the potential capacity of FASTER cable with Probabilistic Constellation Shaping solutions.
Valey Kamalov +10 more
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Transactions of the American Institute of Electrical Engineers, 1939
A METHOD of protection of submarine cables by placement “underground” was described during the process of its development in an article written for Electrical Engineering in May 1938. The work then projected has since been successfully carried out, and the first cables scheduled to be plowed under, to protect them from being fouled by fishing gear ...
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A METHOD of protection of submarine cables by placement “underground” was described during the process of its development in an article written for Electrical Engineering in May 1938. The work then projected has since been successfully carried out, and the first cables scheduled to be plowed under, to protect them from being fouled by fishing gear ...
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Design of Submarine “Open” cables
Optical Fiber Communication Conference, 2018Digital coherent receiver and GN model moved submarine transmission systems into the era of “open cables”. This new paradigm leads to consider new parameters to design and characterize open submarine systems independently of the terminal equipment.
Pascal Pecci +7 more
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Submarine Cables and the Marine Environment: Bringing the First Submarine Cable to the Galapagos
Ocean Development & International Law, 2021Renowned for its unique flora and fauna, the Galapagos Archipelago is also home to a growing population of more than 25,000 people.
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How and why are key Indo-Pacific states adapting respective foreign and defence policies to secure submarine cable networks amid heightened Sino-US network-based competition? States are driven to control submarine cable networks as these infrastructures transmit information between continents and islands, traverse vulnerable maritime zones, and ...
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Submarine cables and cable ships
Electronics and Power, 1985Despite the proliferation of communications satellites there will always be a place for that original medium for intercontinental communication — the submarine cable.
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IEEE Spectrum, 1966
Since 1900 most of our power has been supplied by alternating current, but the high-voltage electron tubes and the rectifying equipment developed during the last decade have revived our interest in direct current. Because geographical factors have made most of our present-day dc cables submarine, we find that we are beset by the same problems that were
J. M. Oudin, R. A. Tellier
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Since 1900 most of our power has been supplied by alternating current, but the high-voltage electron tubes and the rectifying equipment developed during the last decade have revived our interest in direct current. Because geographical factors have made most of our present-day dc cables submarine, we find that we are beset by the same problems that were
J. M. Oudin, R. A. Tellier
openaire +1 more source