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Abstract: This article presents a control strategy based on the virtual synchronous generator (VSG) concept to improve the frequency support of converter-interfaced systems. The strategy has the ...

PDFYogi is the best free-to-use PDF editor because it's free-to-use. There's no paywalled feature, nor is there a monthly ...

Chinese AI researchers aim to keep chatbots fast and inexpensive with images for long contexts. Optical context compression is intended to improve AI assistants ...

Apple’s new Preview app in iOS 26 makes editing photos and PDFs simple. Here’s how to use it and Android and Windows ...

HF上，DeepSeek开源OCR模型⬆️今天，DeepSeek开源了最新的模型：DeepSeek-OCR。省流：模型仅3B，单张A100-40G卡每天可跑20万页的LLM/VLM训练数据。更详细来说：DeepSeek提出了一种新的研究——上下文光学 ...

There’s a plethora of services which do this, including Wondershare’s (mostly free) HiPDF. This review focuses on Wondershare's online service, but a desktop app, PDFElement, is available.

The Xodo PDF Studio is a truly excellent desktop tool. Yes, its interface is somewhat underwhelming and could do with a ...