Results 11 to 20 of about 5,292 (193)

Oscillometric blood pressure measurement: modeling and analysis of the area oscillogram and height oscillogram [PDF]

open access: yesFrontiers in Physiology
ObjectiveOscillometry is the most popular blood pressure (BP) measurement method. Conventionally, BP is computed from the oscillation height versus cuff pressure function (“height oscillogram”).
Vishaal Dhamotharan   +11 more
doaj   +3 more sources

A dataset of real-world oscillograms from electrical power grids [PDF]

open access: yesScientific Data
This paper presents an extensive dataset of real-world oscillograms that capture voltage and current signals from electrical substations. The dataset aims to advance research on power system analysis, fault detection, and machine learning-driven relay ...
Aleksey Evdakov   +5 more
doaj   +2 more sources

The Measurement and Analysis of Pulse Radiolysis Kinetic Oscillograms

open access: yesMeasurement + Control, 1978
The technique of pulse radiolysis used in radiation chemistry is briefly described and some methods for analysing the kinetics of the data obtained are discussed. An X — Y reader, developed for digitising pulse radiolysis oscillograms, is described.
D. S. Sehmi
doaj   +2 more sources

'What Does the Anemonefish Say?': Investigating <i>Amphiprion percula</i>'s Acoustic Behaviour. [PDF]

open access: yesEcol Evol
This study investigates the vocal behaviour of wild Amphiprion percula in Papua New Guinea, revealing that distinct acoustic signals correspond to specific social interactions and are influenced by behaviour and rank. The findings underscore the importance of in situ research for understanding fish communication and highlight potential disruptions from
Yllan L, Rueger T.
europepmc   +2 more sources

The influence of changing resistance on the determination accuracy of short circuits in power lines [PDF]

open access: yesE3S Web of Conferences, 2021
In high-voltage electrical networks, the occurrence of short circuits leads to forced interruptions in the power supply of large consumers and disruptions in intersystem communications.
Nazarov Serdar   +2 more
doaj   +1 more source

Laboratory studies of the operation of a single-phase solid-state transformer when operating from a wind turbine [PDF]

open access: yesE3S Web of Conferences, 2023
The article describes a laboratory equipment for studying the operation of a single-phase solid-state transformer when operating from a wind turbine. Oscillograms of currents and oscillograms of voltages are given during the operation of a solid-state ...
Avdeev Boris, Vyngra Aleksei
doaj   +1 more source

Некоторые аспекты качественного анализа модели высокочастотной геоакустической эмиссии

open access: yesVestnik KRAUNC: Fiziko-Matematičeskie Nauki, 2023
Геоакустическая эмиссия является индикатором напряженно-деформированного состояния геосферы, поэтому она играет важную роль в разработке методики прогнозирования сильных землетрясений в сейсмоактивных регионах, таких как Камчатка.
Мингазова, Д.Ф.   +1 more
doaj   +1 more source

Дробная математическая модель Макшерри

open access: yesVestnik KRAUNC: Fiziko-Matematičeskie Nauki, 2023
В статье предложено обобщение математической модели Макшерри для моделирования искусственной электрокардиограммы — изменяющегося во времени сигнала, отражающий ионный ток, который заставляет сердечные волокна сокращаться, а затем расслабляться. Обобщение
Алимов, Х.Т.   +2 more
doaj   +1 more source

Исследование дробной динамической системы Селькова

open access: yesVestnik KRAUNC: Fiziko-Matematičeskie Nauki, 2022
Предложена дробная нелинейная динамическая система Селькова, для описания микросейсмических явлений. Эта система известна наличием автоколебательных режимов и применяется в биологии для описания гликолитических колебаний субстрата и продукта ...
Паровик, Р.И.
doaj   +1 more source

Simulation Model of an Asynchronous Machine with Wound Rotor in Matlab Simulink [PDF]

open access: yesE3S Web of Conferences, 2021
The article presents a three-phase mathematical model of asynchronous machine with wound rotor based on differential equations. The equations are resolved with respect to the derivatives of flux linkages.
Doroshchenko Igor   +3 more
doaj   +1 more source

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