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Abstract: This paper presents a method for predicting contour error in H-Bot non-cartesian CNC gantry machine. Contour error is defined as the difference between the ...

Abstract: In this communication, we propose a dual-band Fabry-Perot (F-P) cavity antenna with a wideband low radar cross section (RCS) by integrating a Pancharatnam-Berry phase coding metasurface ...

OpenAI introduces GPT-5.4, which for the first time combines coding, reasoning, agentic workflows, and native computer operation in a single model. On the GDPval benchmark for professional knowledge ...

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