Abstract: This paper focuses on the phase-noise (PN) and channel estimation for mmWave massive MIMO systems with hybrid analog-digital structures. By considering the PN caused by the impairment of ...

Giant pandas have been seen using twigs or pieces of bamboo to scratch themselves. Other than an old anecdotal report about giant pandas rubbing dirt into their fur, this is the first recorded ...

A research team led by Professor Li Baoguo from Northwest University in Northwest China's Shaanxi Province has recently documented the first-ever case of giant pandas using objects such as bamboo ...

Artificial Intelligence (AI) can now create amazing images in seconds. It feels like magic, but there’s an energy cost behind each picture. We often don’t think about how much power these tools use.

Abstract: This article reports on a new class of 3-D highly miniaturized dual-channel bandpass filters (BPFs). They are based on a new nested waveguide (WG) resonator approach that allows the ...

Officials estimate that pythons have killed 95% of small mammals as well as thousands of birds in Everglades National Park South Florida Water Management District via AP; AP Photo/Lynne Sladky ...

Getting input from users is one of the first skills every Python programmer learns. Whether you’re building a console app, validating numeric data, or collecting values in a GUI, Python’s input() ...

Systemic estrogen replacement therapy is contraindicated in women with a history of ischemic stroke due to the risk of stroke recurrence. There are currently no published data available describing the ...

The investigators at How to Survive reveal how pandas use camouflage to become surprisingly effective predators. Democratic Gov. Declares State of Emergency Oregon Man Accused of Operating One of Most ...

The Python Software Foundation warned users this week that threat actors are trying to steal their credentials in phishing attacks using a fake Python Package Index (PyPI) website. PyPI is a ...