Results 241 to 250 of about 4,519,250 (293)
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective Stereoelectroencephalography‐guided radiofrequency thermocoagulation (SEEG‐RFTC) has emerged as a safe and effective minimally invasive treatment for children with drug‐resistant focal epilepsy. Although evidence from real‐world studies remains limited, numerous pediatric cases have demonstrated promising outcomes. This retrospective
Weitao Chen +7 more
wiley +1 more source
Relationship Between Neurologic Symptoms and Signs and FMR1 Genotype in Premutation Carriers
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Background and Objectives Fragile X‐associated Tremor/Ataxia Syndrome (FXTAS) is the most severe late‐onset condition caused by a premutation in the FMR1 gene, characterized by expanded CGG triplet repeats of 55–200. Clinical presentations of FXTAS, including gait ataxia, kinetic tremor, cognitive decline, and rare Parkinsonism, are linked to ...
Flora Tassone +8 more
wiley +1 more source
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2022
AbstractThe analysis of random processes requires a thorough understanding of spectrum and noise analysis. In Chapter 6, Fourier transforms for deterministic and stochastic time series are presented, with application to spectrum analysis. The spectrum analysis for stochastic signal is presented with application to white and coloured noise. The Singular
Marco Bittelli +2 more
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AbstractThe analysis of random processes requires a thorough understanding of spectrum and noise analysis. In Chapter 6, Fourier transforms for deterministic and stochastic time series are presented, with application to spectrum analysis. The spectrum analysis for stochastic signal is presented with application to white and coloured noise. The Singular
Marco Bittelli +2 more
openaire +1 more source
2003
All electrical signals can be described either as a function of time or of frequency. When we observe signals as a function of time they are called the time domain measurements. Sometimes, we observe the frequencies present in signals, in which case they are called the frequency domain measurements.
Kularatna, N., Hettiwatte, S.N.
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All electrical signals can be described either as a function of time or of frequency. When we observe signals as a function of time they are called the time domain measurements. Sometimes, we observe the frequencies present in signals, in which case they are called the frequency domain measurements.
Kularatna, N., Hettiwatte, S.N.
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International Symposium for Testing and Failure Analysis, 2017
Abstract We present a new, non-destructive electrical technique, Power Spectrum Analysis (PSA). PSA as described here uses off-normal biasing, an unconventional way of powering microelectronics devices. PSA with off-normal biasing can be used to detect subtle differences between microelectronic devices.
Paiboon Tangyunyong +6 more
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Abstract We present a new, non-destructive electrical technique, Power Spectrum Analysis (PSA). PSA as described here uses off-normal biasing, an unconventional way of powering microelectronics devices. PSA with off-normal biasing can be used to detect subtle differences between microelectronic devices.
Paiboon Tangyunyong +6 more
openaire +1 more source
Computerized Spectrum Analysis
Applied Spectroscopy, 1970A system to automatically reduce and analyze the data on a spectrogram is in current use. The techniques used and the system are described. The system's principal components consist of a scanning densitometer with a built-on linear encoder, a 16-kc word rate analog-to-digital converter, and an IBM 1800 process computer with magnetic disk memory.
Chester D. Kylstra, Richard T. Schneider
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Proceedings of the IEEE, 1978
Automatic spectrum analyzers (ASA's) combine a powerful RF measurement system with computer control and data processing. This article discusses a typical ASA block diagram (analog and digital subsystems), shows how the calibration procedures used in such systems enhance the accuracy of measurements, and discusses some of the problems with current ASA ...
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Automatic spectrum analyzers (ASA's) combine a powerful RF measurement system with computer control and data processing. This article discusses a typical ASA block diagram (analog and digital subsystems), shows how the calibration procedures used in such systems enhance the accuracy of measurements, and discusses some of the problems with current ASA ...
openaire +1 more source
Water Resources Research, 1967
This paper is an annotated review of variance spectrum analysis. Faced with the impossible task of reviewing here the technique, providing illustrative examples from the field of hydrology, and providing learned insight into the uses of these techniques that are likely to be productive, I make no apology for the material included and omitted.
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This paper is an annotated review of variance spectrum analysis. Faced with the impossible task of reviewing here the technique, providing illustrative examples from the field of hydrology, and providing learned insight into the uses of these techniques that are likely to be productive, I make no apology for the material included and omitted.
openaire +1 more source