Results 151 to 160 of about 4,662 (208)

Full-polarization-locked vortex beam generator with time-varying characteristics. [PDF]

Nanophotonics
Jiang L, Li Y, Yang H, Liang S, Zheng L, Qin Z, Zhu Z, Chen H, Wang J, Qu S.   +9 more
europepmc   +1 more source

Design of a Compact and Minimalistic Intermediate Phase Shifting Feed Network for Ka-Band Electrical Beam Steering. [PDF]

Sensors (Basel)
Verho S, Chung JY.
europepmc   +1 more source

Linearity of varactor diode parametric amplifiers.

, 1977
openaire   +2 more sources

A hybrid mode semi circular shaped frequency reconfigurable antenna for multiband communication. [PDF]

Sci Rep
Vinayagam K, Natarajan R.
europepmc   +1 more source

A frequency and beamwidth reconfigurable antenna based on liquid crystal for 5G millimeter waves. [PDF]

Sci Rep
Chen P, Wang X, Wang D, Gan Z, Yin Y, Zhang H.   +5 more
europepmc   +1 more source

Progress on intelligent metasurfaces for signal relay, transmitter, and processor. [PDF]

Light Sci Appl
Qian C, Tian L, Chen H.
europepmc   +1 more source

Metamaterial Inspired Varactor-Tuned Antenna with Frequency Reconfigurability and Pattern Diversity. [PDF]

Sensors (Basel)
Zhang J, Wang B, Yan S, Li W, Vandenbosch GAE.   +4 more
europepmc   +1 more source

Development of Energy-Selective Surface for Electromagnetic Protection. [PDF]

Micromachines (Basel)
Lv J, Luo C, Zhao J, Han H, Lu H, Zheng B.   +5 more
europepmc   +1 more source

Machine learning-optimized compact wearable frequency reconfigurable antenna for sub-6 GHz/mm-wave 5G integration. [PDF]

Sci Rep
Salisu A, Elwanis MA, Elfergani I, Musa U, Alfares A, Gharbia I, Rodriguez J, See CH, Abd-Alhameed R.   +8 more
europepmc   +1 more source

Dual-channel near-field holographic MIMO communications based on programmable digital coding metasurface and electromagnetic theory. [PDF]

Nat Commun
Shao RW, Wu JW, Li J, Meng S, Xu Y, Wang ZX, Tang W, Cheng Q, Jin S, Cui TJ.   +9 more
europepmc   +1 more source