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  2. International Code for Ships Operating in Polar Waters

    en.wikipedia.org/wiki/International_Code_for...

    The Polar Code applies to ships operating in Polar Waters. The Polar Code stems from previous IMO documents, including voluntary guidelines in both 2002 [5] and 2010. [6] As part of ongoing international work on the Polar Code, an IMO Workshop on the code's Environmental Aspects was held in Cambridge, United Kingdom, in September 2011.

  3. Polar code (coding theory) - Wikipedia

    en.wikipedia.org/wiki/Polar_code_(coding_theory)

    Neural Polar Decoders (NPDs) [14] are an advancement in channel coding that combine neural networks (NNs) with polar codes, providing unified decoding for channels with or without memory, without requiring an explicit channel model. They use four neural networks to approximate the functions of polar decoding: the embedding (E) NN, the check ...

  4. Polar Class - Wikipedia

    en.wikipedia.org/wiki/Polar_Class

    Seven Polar Classes are defined in the rules, ranging from PC 1 for year-round operation in all polar waters to PC 7 for summer and autumn operation in thin first-year ice. [1] The IACS Polar Class rules should not be confused with International Code for Ships Operating in Polar Waters (Polar Code) by the International Maritime Organization (IMO).

  5. Polar code - Wikipedia

    en.wikipedia.org/wiki/Polar_code

    Polar code may refer to: International Code for Ships Operating in Polar Waters, an international code of safety for ships operating in polar waters; Polar code (coding theory), a capacity-achieving error-correcting code

  6. Category:Capacity-achieving codes - Wikipedia

    en.wikipedia.org/wiki/Category:Capacity...

    Download as PDF; Printable version; In other projects ... Polar code (coding theory) ... Code of Conduct; Developers;

  7. Line code - Wikipedia

    en.wikipedia.org/wiki/Line_code

    Each transmitted code word in a constant-weight code is designed such that every code word that contains some positive or negative levels also contains enough of the opposite levels, such that the average level over each code word is zero. Examples of constant-weight codes include Manchester code and Interleaved 2 of 5. Use a paired disparity ...

  8. Arctic shipping routes - Wikipedia

    en.wikipedia.org/wiki/Arctic_shipping_routes

    Finally, environmental policies in the Polar Code must be considered before the Arctic can become the new axis of intercontinental shipping. These restrictions are likely to become more strict as the market grows, to protect the existing nature and wildlife.

  9. Polar coordinate system - Wikipedia

    en.wikipedia.org/wiki/Polar_coordinate_system

    The reference point (analogous to the origin of a Cartesian coordinate system) is called the pole, and the ray from the pole in the reference direction is the polar axis. The distance from the pole is called the radial coordinate, radial distance or simply radius, and the angle is called the angular coordinate, polar angle, or azimuth. [1]