Abstract: This article presents a comprehensive analysis of frequency-selective surfaces (FSSs) under oblique incidence, covering the frequency, angular, and polarization domains through their ...

Using the Tianma Radio Telescope (TMRT), researchers from the Shanghai Astronomical Observatory (SHAO) of the Chinese Academy of Sciences conducted 66 simultaneous dual‑frequency (2.25 GHz/8.60 GHz) ...

A special technique produces very wide loop BWs in high-frequency PLLs (and hence, indirect (PLL) synthesizers), thereby achieving very low phase noise rivaling that of direct (MMD) synthesizers. A ...

Objective To examine the associations between the number of days per week achieving various daily step thresholds and all-cause mortality and cardiovascular disease (CVD) incidence in older women.

EXCLUSIVE: A covert Israeli operation aimed at decapitating Islamist militant group Hezbollah, in which thousands of pagers and walkie-talkies in the possession of its operatives exploded ...

The Financial Conduct Authority is investigating whether London Stock Exchange Group Plc prevented rivals from using the rooftop of its data center, thereby hindering high-frequency trading firms from ...

This is Part 2 of a three-part series. As discussed in Part 1 and recapped here, modern wireless communications systems (mainly superheterodyne radio transceivers) are now required to deliver higher ...

Aim: The cognitive biotype of depression has been conceptualized as a distinct subtype characterized by unique distinct neural correlates and specific clinical features. Abnormal neural oscillations ...