www.csis.org

Restoring the Economics of Copper Processing

https://www.csis.org/analysis/restoring-economics-copper-processing

Copper processing economics are under pressure. Treatment and refining charges have turned negative as Chinese smelting capacity continues to outpace global mine supply, squeezing independent smelters worldwide and exposing the limits of current U.S. and allied policy responses.

www.csis.org

Stephenson Ocean Security Project | Global Development | CSIS

https://www.csis.org/programs/stephenson-ocean-security-project

The Stephenson Ocean Security Project (SOS) is focused on the links between ocean health and global security…

www.php.net

PHP: Process Control Extensions - Manual

https://www.php.net/manual/en/refs.fileprocess.process.php

Process Control Extensions

ocw.mit.edu

Discrete-Time Signal Processing: Oppenheim and Schafer | Electrical Engineering and Computer Science | MIT OpenCourseWare

https://ocw.mit.edu/courses/res-6-dtsp-discrete-time-signal-processing/

This page is the central hub for the third edition of *Discrete-Time Signal Processing* by Alan Oppenheim and Ron Schafer, available online for free. Here, you'll find the complete third edition, along with a curated selection of related resources, including the following: - Access to previous editions of the…

arxiv.org

Image and Video Processing

https://arxiv.org/list/eess.IV/recent

Skip to main content Search Submit Donate Log in Search arXiv Press Enter to search · Advanced search Image and Video Processing Authors and titles for recent submissions Fri, 2 Oct 2026 Thu, 1 Oct 2026 Wed, 30 Sep 2026…