Abstract: This paper describes a new method for synthesis of a flat-top beam radiation pattern of three-element antenna arrays. Currently, this is the only method that: (1) gives a semi-analytical ...

Abstract: This article presents a dual-band dual-mode antenna with omni-directional radiation pattern in the lower band (LB) and reconfigurable pattern in the upper band (UB) for wireless body area ...

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"For each p-bit encoding pattern modulated into the programmable metasurface, the metasurface antenna will generate a corresponding radiation pattern," said Cui. "Out of the 2 p possible patterns, 2 p ...

A dipole antenna is commonly used in radio and telecommunications. The antenna has two "poles," creating a radiation pattern similar to a donut shape. The antenna, a collaboration between engineers ...

As reported in the latest issue of Nature Communications, the new platform—dubbed "charge programmed multi-material 3D printing" (CPD)—is a universal system for rapid production of nearly all 3D ...

The best TV antennas are no longer the bunny ear-style TV toppers of yesteryear; they are diminutive but powerful with tons of variations depending on the range and design you’re after.

The best indoor TV antennas let you access local broadcast channels without paying for a cable, satellite, or streaming subscription. Many top TV antennas are affordable, paper-thin, and easily ...