Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...

OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as well as generating PDFs from HTML. It is licensed under the LGPL and MPL open source licenses.

Every year during a small period of time a ray of mystical light appears in the Keyhole Arch at the Pfeiffer Beach, California. This natural phenomenon draws lots of visitors, as well as professional ...

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