Abstract: When itcomes to physical layer security (PLS), a combined technique of randomized radiation and frequency diverse sub-arrays (FDSAs) with nonlinear frequency offsets (FOs) can produce a ...

Abstract: This paper presents an antenna array organized in sub-arrays and composed of densely spaced dielectric-based radiating elements. To reduce the number of active components required in the ...

Imaging technology has transformed how we observe the universe—from mapping distant galaxies with radio telescope arrays to unlocking microscopic details inside living cells. Yet despite decades of ...

State Key Laboratory of Heavy Ion Science and Technology, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China School of Materials & Energy, Lanzhou University, ...

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SAN FRANCISCO – Star Catcher Industries, a startup focused on beaming solar energy to spacecraft in low-Earth orbit, raised $12.25 million in a seed round announced July 24. Former Made In Space CEO ...

Avista has been granted a patent for a device with a modem and dual-polarized sub-arrays that generate a collective beamwidth larger than individual beamwidths. This innovation enhances communication ...

The past 12 months saw flash storage nudge into areas from which it had hitherto been absent. In particular, this was because of the availability of denser – and therefore cheaper per-gigabyte (GB) – ...

In Java, arrays are useful data structures that store elements of the same data type sequentially in memory. Frequently, developers need to determine the size of an array for various reasons like ...