This paper presents a stable fiber-based radio frequency (RF) transmission system and investigates the effect of transmission frequency on the system’s frequency stability. By changing the frequency ...

A faint radio glow reveals a million-light-year halo enveloping one of the earliest galaxy clusters, hinting that energetic ...

With the advance in wireless network technique, its security becomes of paramount importance. Radio Frequency Fingerprint (RFF) is the underlying characteristic of hardware chains in transmitters, ...

So far, it is still challenging to realize a reconfigurable full-polarization metasurface cloak with multifunctional integration. Herein, we proposed an innovative metasurface cloak, which can ...

The global Radio Frequency Beauty Equipment Market is estimated to be valued at USD 553.2 million in 2025 and is projected to reach USD 1,488.3 million by 2035, registering a compound annual growth ...

By Benjamin A. Commey Accra, June 13, GNA- The Ghana Journalists Association (GJA) commended President John Dramani Mahama for halting the revocation of frequency authorisation for 64 radio stations.

607 p. : 24 cmAccess-restricted-item true Addeddate 2023-06-01 21:11:16 Autocrop_version 0.0.15_books-20220331-0.2 Bookplateleaf 0004 Boxid IA40954801 Camera USB PTP Class Camera Collection_set ...

Cutbacks at Radio Free Asia and other news outlets funded by the U.S. Agency for Global Media have allowed China to fill a programming void and expand the reach of its talking points, according to ...

RFA distributed its broadcast on 60 shortwave radio frequencies as recently as late March, when President Donald Trump issued an executive order demanding drastic cuts to U.S.-backed media.

More information: G. Lusetti et al, A view of the CIZA J2242.8+5301 galaxy cluster at very low radio frequencies, arXiv (2025). DOI: 10.48550/arxiv.2505.23402 Journal information: arXiv ...