Results 51 to 60 of about 6,147,351 (173)
IEEE AccessEpileptic EEG signals are inherently non-stationary and nonlinear, requiring robust signal decomposition and discriminative feature representations for reliable seizure analysis.
Nuri Ikizler
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RF and digital signal processing for software-defined radio: a multi-standard multi-mode approach
, 2009 Software-defined radio (SDR) is the hottest area of RF/wireless design, and this title describes SDR concepts, theory, and design principles from the perspective of the signal processing (both on transmission and reception) performed by a SDR system ...
Rouphael, Tony J, Rouphael, Tony J.
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Validation of mDurance, A Wearable Surface Electromyography System for Muscle Activity Assessment
Frontiers in Physiology, 2020 The mDurance® system is an innovative digital tool that combines wearable surface electromyography (sEMG), mobile computing and cloud analysis to streamline and automatize the assessment of muscle activity.
Alejandro Molina-Molina +7 more
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RF circuit analysis for ITER visible spectroscopy reference system first mirror plasma cleaning
, 2021 The Visible Spectroscopy Reference System (55.E6.VSRS) is going to be one of the first optical diagnostic systems in the ITER tokamak chamber, for which plasma cleaning system of front-end optics has to be implemented.
Bock, M. de +8 more
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A non-obtrusive technique to characterize dielectric charging in RF-MEMS capacitive switches [PDF]
, 2012 Degradation and failure due to dielectric charging has been a dominant and pervasive reliability concern for RF-MEMS switches. Traditionally, the operational lifetime dictated by this degradation phenomenon is extrapolated from a series of measurements ...
Muhammad A Alam +5 more
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An offset tone based gain stabilization technique for mixed-signal RF measurement systems
, 2015 This paper describes a gain stabilization technique for a RF signal measurement system. A sinusoidal signal of known amplitude, phase and close enough in frequency is added to the main, to be measured RF signal at the input of the analog section.
Agarwal, Vivek +5 more
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SensorsAccurate and reliable groundwater-level monitoring in deep observation wells remains difficult for conventional non-contact ultrasonic systems because narrow tubular geometries intensify multipath reflections, signal attenuation, and echo ambiguity. This
Abror Shavkatovich Buriboev +7 more
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Design and optimization of grounded coplanar waveguide and chip cascade structure [PDF]
Journal of Hebei University of Science and TechnologyIn order to solve the problem of decreasing transmission efficiency due to impedance abrupt change during the cascade between transmission line and chip, a matching band-line method for X~Ka band was proposed based on the ground coplanar waveguide and ...
Zhiyong MENG +5 more
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, 1979 A rf phase reference line in 6 segments around the 2200 meter circumference PEP storage ring is described. Each segment of the reference line is phase stabilized by its own independent feedback system, which uses an amplitude modulated reflection from ...
Schwarz, H. D., Weaver, J. N.
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Digitally assisted test methodology for RF receivers [PDF]
, 2013 textAddressing the high cost of RF instrumentation has motivated significant research activity, where researchers have proposed various non-standard and alternative test methods of RF circuits to mitigate high test cost.
Zeidan, Mohamad A.
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