Results 231 to 240 of about 6,778,426 (314)

High-Resolution Spatiotemporal-Coded Differential Eddy-Current Array Probe for Defect Detection in Metal Substrates. [PDF]

Sensors (Basel)
Ouyang Q, Meng Y, Huang L, Li Y.
europepmc   +1 more source

Coupling a single spin to the motion of a carbon nanotube. [PDF]

Nat Commun
Fedele F, Cerisola F, Bresque L, Vigneau F, Monsel J, Tabanera-Bravo J, Aggarwal K, Dexter J, Sevitz S, Dunlop J, Auffeves A, Parrondo JM, Palyi A, Anders J, Ares N.   +14 more
europepmc   +1 more source

Frequency-Direction Coupling in the Glass Transition Response of Thermally Aged Wet-Layup Unidirectional Carbon/Epoxy Composites. [PDF]

Polymers (Basel)
Kokku K, Acharya R, Karbhari VM.
europepmc   +1 more source

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A Dual-Frequency Coupled Resonator Transducer

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2020
New ultrasound-mediated drug delivery systems, such as acoustic cluster therapy or combined imaging and therapy systems, require transducers that can operate beyond the bandwidth limitation (~100%) of conventional piezoceramic transducers. In this article, a dual-frequency coupled resonator transducer (CRT) comprised of a polymeric coupling layer with ...
Kenneth Kirkeng Andersen, Martijn E. Frijlink, Tonni Franke Johansen, Lars Hoff   +3 more
openaire   +2 more sources

HW-DFT-Based Measurement Method of Frequency-Coupling Characteristics Considering Fundamental Frequency Deviation for Stability Analysis

IEEE transactions on power electronics, 2023
Impedance measurement is an effective method to obtain the impedance characteristic of the renewable power generator. Discrete Fourier transformation (DFT) is commonly used to extract measurement signals.
Meng Li, H. Nian, Han Li, Bin Hu, Yuming Liao, Haipan Li, Yiming Liu, Yaoxin Wang   +7 more
semanticscholar   +1 more source

Frequency coupling in dual frequency capacitively coupled radio-frequency plasmas

Applied Physics Letters, 2006
An industrial, confined, dual frequency, capacitively coupled, radio-frequency plasma etch reactor (Exelan®, Lam Research) has been modified for spatially resolved optical measurements. Space and phase resolved optical emission spectroscopy yields insight into the dynamics of the discharge.
Gans, Timo, Schulze, J., O'Connell, D., Czarnetzki, U., Faulkner, R., Ellingboe, A.R., Turner, M.M.   +6 more
openaire   +2 more sources