Abstract: This paper introduces a class of extensible polar codes for dynamic interleave-division multiple-access (IDMA) systems specifically designed to support short packet transmissions. The code ...

Simplify complex physics and math concepts with this easy guide to Lagrange multipliers! In this video, we explain how to calculate constraint forces in polar coordinates using step-by-step examples ...

Oh, sure, I can “code.” That is, I can flail my way through a block of (relatively simple) pseudocode and follow the flow. I ...

Photoshop cc 2019 quick tip tutorial for cc 2018 and later showing how to use "Brush Stroke Smoothing”, which smooths out your brush, pencil or eraser strokes. ➤ Get 15% off boris fx OPTICS! - The ...

Since entering service in 2021, the polar research vessel RRS Sir David Attenborough has been equipped with navigation systems from Anschütz. As part of a recent refit, Anschütz has now supplied the ...

A set of amendments to key IMO treaties and Codes have entered into force on January 1, 2026. They include the following: Amendments to the Seafarers' Training, Certification and Watchkeeping Code ...

Abstract: The polar-coded OTFS system is applicable to high-speed mobile communication scenarios. However, the interplay between polar code and OTFS modulation ...

Who says yachts only sail in warmer waters? The new Scenic Ikon will be able to sail both the Mediterranean and Antarctica. While the new ship will have 21 more all-veranda suites (ranging in size ...

Climate change is transforming ecosystems in the far north. An international team of scientists has made some surprising discoveries. Ashild Onvik Pedersen, a scientist who is armed with a rifle in ...

The Thamesborg aground in Franklin Strait, Nunavut. Canadian Coast Guard photo. Sea ice retreat is creating new economic opportunities for shipping, but exposes a critical safety deficit. Sea ice ...