Results 81 to 90 of about 925 (148)

Flexible intelligent microwave metasurface with shape-guided adaptive programming. [PDF]

Nat Commun
Li F, Pan T, Li W, Peng Z, Guo D, Jia X, Hu T, Wang L, Wang W, Gao M, Yao G, Zuo L, Bi M, Weng X, Tang W, Lin Y.   +15 more
europepmc   +1 more source

Microwave Sensor for Dielectric Constant of Lossy Organic Liquids Based on Negative-Resistance Oscillation. [PDF]

Sensors (Basel)
Liu H, Meng Y.
europepmc   +1 more source

Large- and Small-Scale Beam-Steering Phased Array Antennas Using Variable Phase BLC for Millimeter-Wave Applications. [PDF]

Sensors (Basel)
Ahmed FH, Khamas SK.
europepmc   +1 more source

A compact ultra-wideband bandstop filter using mu-negative and ENZ metamaterial resonators for multiple advanced wireless communication systems. [PDF]

PLoS One
Elbathaoui M, Jebbor N, Das S, Ali W, Arockiam SAN, Kumar OP, Boufounas EM.   +6 more
europepmc   +1 more source

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

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