Results 21 to 30 of about 347,909 (355)

Single VDGA-Based Mixed-Mode Electronically Tunable First-Order Universal Filter

open access: yesSensors, 2023
This article presents a mixed-mode electronically tunable first-order universal filter configuration employing only one voltage differencing gain amplifier (VDGA), one capacitor, and one grounded resistor.
Natchanai Roongmuanpha   +3 more
doaj   +1 more source

Dual-mode photoswitching of luminescence [PDF]

open access: yesJournal of the Chemical Society, Chemical Communications, 1995
The fluorescence and chirality of photoswitchable inherently dissymmetric alkenes cis 1 and trans-2-nitro-7-dimethylamino-9-(2',3'-dihydro-1'H-naphtho[2,1-b]thiopyran-1'-ylidene)-9H-thioxanthene 2 are reversibly modulated by irradiation whereas photoresponsive effects and emission are regulated by reversible protonation.
Huck, N.P.M., Feringa, B.L.
openaire   +2 more sources

Bandpass Filter and Diplexer Based on Dual-Mode Dielectric Filled Waveguide Resonators

open access: yesIEEE Access, 2022
This paper presents the designs of a bandpass filter (BPF) and a diplexer based on the TM210 mode and the TM120 mode of the dielectric filled waveguide resonators (DFWRs).
Wei Qin   +4 more
doaj   +1 more source

Compact Dual-Band Antenna with Paired L-Shape Slots for On- and Off-Body Wireless Communication

open access: yesSensors, 2021
A simple dual-band patch antenna with paired L-shap slots for on- and off-body communications has been presented in this article. The proposed antenna resonates in the industrial, scientific, and medical (ISM) band at two different frequencies, at 2.45 ...
Sarosh Ahmad   +3 more
doaj   +1 more source

Recent Development of Neural Microelectrodes with Dual-Mode Detection

open access: yesBiosensors, 2022
Neurons communicate through complex chemical and electrophysiological signal patterns to develop a tight information network. A physiological or pathological event cannot be explained by signal communication mode.
Meng Xu   +7 more
doaj   +1 more source

Dual-Band Dielectric Resonator Filters Employing TE01δ Mode and Degenerate HEH11 Modes

open access: yesIEEE Journal of Microwaves, 2023
This article presents a novel dual-band bandpass filter based on cylinder dielectric resonators, where the dielectric mode TE01δ is exploited to generate the first passband, and the two degenerate modes HEH11 are used to generate the second ...
Yun Liu   +2 more
doaj   +1 more source

A dual-grating InGaAsP/InP DFB laser integrated with an SOA for THz generation [PDF]

open access: yes, 2016
We report a dual-mode semiconductor laser that has two gratings with different periods below and above the active layer. A semiconductor optical amplifier (SOA), which is integrated with the dual-mode laser, plays an important role in balancing the ...
Deng, Qiufang   +5 more
core   +1 more source

Permeation of CO2 and N2 through glassy poly(dimethyl phenylene) oxide under steady- and presteady-state conditions [PDF]

open access: yes, 2020
Glassy polymers are often used for gas separations because of their high selectivity. Although the dual-mode permeation model correctly fits their sorption and permeation isotherms, its physical interpretation is disputed, and it does not describe ...
Atkins P.   +29 more
core   +4 more sources

Surface effects on the dual-mode vibration of [110] silver nanowires with different cross-sections [PDF]

open access: yes, 2012
Dual-mode vibration of nanowires has been reported experimentally through actuation of the nanowire at its resonance frequency, which is expected to open up a variety of new modalities for the NEMS that could operate in the nonlinear regime.
Gu, YuanTong, Zhan, Haifei
core   +2 more sources

Dual-mode mechanical resonance of individual ZnO nanobelts [PDF]

open access: yes, 2003
©2003 American Institute of Physics. The electronic version of this article is the complete one and can be found online at: http://link.aip.org/link/?APPLAB/82/4806/1DOI:10.1063/1.1587878The mechanical resonance of a single ZnO nanobelt, induced by an ...
Bai, X. D.   +3 more
core   +1 more source

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