Abstract: A new multiband diversity antenna is presented ... the antenna can simultaneously achieve a flexible frequency ratio and a desired bandwidth. An example design is presented for most ...

Although the Alamouti-based NOMA paradigm can improve reliability by providing full spatial diversity, it comes at the cost of a significant loss in spectral efficiency compared to the ...

Soils in this region are mainly ferruginous and generally of low fertility, acidic, and shallow; this has a considerable effect on the vegetation cover ... Walp] has been used as a trap plant in ...

Read our disclosure page ... s PowerPoint that’s getting a helpful AI upgrade. After recently raising the price of Microsoft 365 plans and bundling in more premium Copilot features to justify the hike ...

Professor David Nogués-Bravo from the University of Copenhagen said loss of genetic variety weakens the plant. It struggles more with disease, drought and sudden stress. Without diversity ...

Targeted removal and long-term monitoring are key to restoring desert ecosystems. Credit: Lynn Sweet/UCR Saharan mustard threatens desert plant diversity and hampers recovery from climate fluctuations ...