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Advanced Search Results For "RADIOS"

1 - 10 of 378,352 results for
 "RADIOS"
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Robust RFID Tag Identification.

Publication Type: Academic Journal

Source(s): Sensors (Basel, Switzerland) [Sensors (Basel)] 2022 Nov 01; Vol. 22 (21). Date of Electronic Publication: 2022 Nov 01.

Abstract: Fast and reliable identification of Radio Frequency Indentification (RFID) tags by means of anticollision (MAC) protocols has been a problem of substantial interest for more than a decade. However, improvements in identification rate have been slow, as...

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Attention Detection by Heartbeat and Respiratory Features from Radio-Frequency Sensor.

Publication Type: Academic Journal

Source(s): Sensors (Basel, Switzerland) [Sensors (Basel)] 2022 Oct 21; Vol. 22 (20). Date of Electronic Publication: 2022 Oct 21.

Abstract: This work presents a study on users' attention detection with reference to a relaxed inattentive state using an over-the-clothes radio-frequency (RF) sensor. This sensor couples strongly to the internal heart, lung, and diaphragm motion based on the RF...

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Pain reduction in validated rat pain models: radio frequency spectrum targeted at the low and ultra-low ends using the emulate® delivery system.

Publication Type: Academic Journal

Source(s): Electromagnetic biology and medicine [Electromagn Biol Med] 2022 Oct 02; Vol. 41 (4), pp. 353-363. Date of Electronic Publication: 2022 Oct 14.

Abstract: EMulate Therapeutics, Inc. (EMTx) has developed a technology to deliver time-varying magnetic fields as WAV files, emitted in the extremely low through the low spectrum of radio frequencies (DC to 22 kHz), that can be applied to regulate pain sensation...

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Short range electromagnetic interface using 0.35 μm CMOS blocks for temperature monitoring in isolated areas.

Publication Type: Academic Journal

Source(s): Journal of advanced research [J Adv Res] 2022 Nov; Vol. 41, pp. 49-62. Date of Electronic Publication: 2022 Feb 05.

Abstract: Introduction: Infra-red (IR) and visible light (VL) based systems developed for transmission of information about physical quantities (e.g. humidity, temperature) out from closed areas, cannot be effectively employed in case of specific conditions in a...

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Through-Space Multinuclear Magnetic Resonance Signal Enhancement Induced by Parahydrogen and Radiofrequency Amplification by Stimulated Emission of Radiation.

Publication Type: Academic Journal

Source(s): Analytical chemistry [Anal Chem] 2022 Nov 01; Vol. 94 (43), pp. 15010-15017. Date of Electronic Publication: 2022 Oct 20.

Abstract: Hyperpolarized ( i.e. , polarized far beyond the thermal equilibrium) nuclear spins can result in the radiofrequency amplification by stimulated emission of radiation (RASER) effect. Here, we show the utility of RASER to amplify nuclear magnetic resona...

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A Physical Framework to Interpret the Effects of High Permittivity Materials on Radiofrequency Coil Performance in Magnetic Resonance Imaging.

Publication Type: Academic Journal

Source(s): IEEE transactions on bio-medical engineering [IEEE Trans Biomed Eng] 2022 Nov; Vol. 69 (11), pp. 3278-3287. Date of Electronic Publication: 2022 Oct 19.

Authors:

Abstract: Objective: We propose a framework to interpret the effects of High Permittivity Materials (HPM) on the performance of radiofrequency coils in Magnetic Resonance Imaging (MRI).Methods: Based on a recent formulation of the scattering and propagation prop...

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Active EMI Suppression System for a 50 mT Unshielded Portable MRI Scanner.

Publication Type: Academic Journal

Source(s): IEEE transactions on bio-medical engineering [IEEE Trans Biomed Eng] 2022 Nov; Vol. 69 (11), pp. 3415-3426. Date of Electronic Publication: 2022 Oct 19.

Authors:

Abstract: Objective: Passive shielding is usually applied to block electro-magnetic interference (EMI) for portable very-low field MRI scanners, but it goes against the mobility of the scanners. Here, the reference channel-based active EMI suppression (AES) syst...

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Bilateral Implanted Radiofrequency Identification Chips.

Publication Type: Academic Journal

Source(s): AJR. American journal of roentgenology [AJR Am J Roentgenol] 2022 Nov; Vol. 219 (5), pp. 841. Date of Electronic Publication: 2022 Jun 01.

Authors:
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Radiofrequency impedance monitoring of the biological tissues under local heating by optical radiation.

Publication Type: Academic Journal

Source(s): Journal of biophotonics [J Biophotonics] 2022 Nov; Vol. 15 (11), pp. e202200114. Date of Electronic Publication: 2022 Aug 08.

Abstract: Development of methods for simultaneous control of state of biological tissues during optical treatment is the important tasks in laser surgery. We introduce a novel approach for the monitoring of the state of biological tissues in the process of its l...

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Intrinsic Temporal Performance of the RF Receive Coil in Magnetic Resonance Imaging.

Publication Type: Academic Journal

Source(s): IEEE transactions on medical imaging [IEEE Trans Med Imaging] 2022 Nov; Vol. 41 (11), pp. 3432-3444. Date of Electronic Publication: 2022 Oct 27.

Authors:

Abstract: The functional magnetic resonance imaging (fMRI) at ultra-high field (UHF, [Formula: see text]) is a powerful temporal acquisition method which promises to capture neuronal activities at submillimeter scale. But high-spatial-resolution fMRI still remai...

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