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.
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 ...
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 ...