Results 141 to 150 of about 9,744 (208)

Acoustic Metasurface for Space-time Reflection Manipulation. [PDF]

Adv Sci (Weinh)
Yang Y, Jia H, Lu J, Yang Y, Liu T, Yang J, Liu Z.   +6 more
europepmc   +1 more source

Quantum paraelectric varactors for radiofrequency measurements at millikelvin temperatures. [PDF]

Nat Electron
Apostolidis P, Villis BJ, Chittock-Wood JF, Powell JM, Baumgartner A, Vesterinen V, Simbierowicz S, Hassel J, Buitelaar MR.   +8 more
europepmc   +1 more source

Multi-user frequency selective beam steering by reconfigurable intelligent surfaces in the Ka-band. [PDF]

Sci Rep
Mueller L, Wolff A, Klingel S, Krieger J, Franke L, Stemler R, Rahm M.   +6 more
europepmc   +1 more source

Chipless RFID Sensor for Measuring Time-Varying Electric Fields Using a Contactless Air-Filled Substrate-Integrated Waveguide Resonator. [PDF]

Sensors (Basel)
Amirkabiri A, Idoko D, Kordi B, Bridges GE.   +3 more
europepmc   +1 more source

Hybrid Coupler Used as Tunable Phase Shifter Based on Varactor Diodes. [PDF]

Micromachines (Basel)
Benaouf TM, Hamdoun A, Himdi M, Lafond O, Ammor H.   +4 more
europepmc   +1 more source

Self-Adaptive Intelligent Metasurface Cloak System with Integrated Sensing Units. [PDF]

Materials (Basel)
Li P, Zhao J, Luo C, Pei Z, Jin H, Huang Y, Zhou W, Zheng B.   +7 more
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

Beam Scanning with Ultra-Low Sidelobes and In-Band Ultra-Low Scattering Characteristics Empowered by Single Space-Time-Coding Radiation-Scattering Metasurface. [PDF]

Adv Sci (Weinh)
Jiang L, Li Y, Yang H, Yan M, Jiang J, Zhang Y, Qin Z, Yang W, Chen H, Pang Y, Guo Z, Zheng L, Wang J, Qu S.   +13 more
europepmc   +1 more source

A 60 GHz Class-C Wide Tuning-Range Two-Core VCO Utilizing a Gain-Boosting Frequency Doubling Technique and an Adaptive Bias Scheme for Robust Startup. [PDF]

Sensors (Basel)
Psycharis ID, Tsourtis V, Kalivas G.
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