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low frequency oscillation

A New Method for Visual Real Time  Monitoring of Low Frequency Oscillation

A New Method for Visual Real Time Monitoring of Low Frequency Oscillation

... of low frequency oscillation just account for a small ...characteristic frequency are calculated, which can re- duce the computational complexity and memory space ...of low ...

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Parameter Identification of Low Frequency Oscillation Based on Fourier Synchrosqueezing Transform

Parameter Identification of Low Frequency Oscillation Based on Fourier Synchrosqueezing Transform

... realize low frequency oscillation ...of low frequency oscillation signal are separated by FSST, and calculating the instantaneous parameters including magnitude, frequency ...

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Mitigation of Low Frequency Oscillation Phenomenon in Power System by Implementing Adaptive Fuzzy Logic Controlled Power System Stabilizer

Mitigation of Low Frequency Oscillation Phenomenon in Power System by Implementing Adaptive Fuzzy Logic Controlled Power System Stabilizer

... the low frequency oscillations that improve the small signal stability of the power ...these low frequency oscillations may lead to cascaded failure of the complete power ...of low ...

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Parameter Identification of Low Frequency Oscillation Based on Fourier Synchrosqueezing Transform

Parameter Identification of Low Frequency Oscillation Based on Fourier Synchrosqueezing Transform

... the oscillation mode ...non-stationary low frequency oscillation signal [11,12] ...of low frequency oscillation, but this method can’t obtain high accuracy results when ...

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The Low Frequency Oscillation Restrain Method Research of Converter Fed  Multi Phase Induction Motor  Propulsion system

The Low Frequency Oscillation Restrain Method Research of Converter Fed Multi Phase Induction Motor Propulsion system

... of low frequency oscillation is not clear until now, researchers still work out some me- thods to restrain this ...stator frequency is used, and when the motor speeds up, input ...

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Altered low-frequency oscillation amplitude of resting state-fMRI in patients with discogenic low-back and leg pain

Altered low-frequency oscillation amplitude of resting state-fMRI in patients with discogenic low-back and leg pain

... All magnetic resonance data were acquired using a 3.0 Tesla Siemens whole-body scanner with an eight-channel radio- frequency head coil (Trio Tim; Siemens, Munich, Germany). The brain fMRI scan acquisition ...

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Experimental Research on Electrochemical Machining of an Arc-Shaped Slot Array

Experimental Research on Electrochemical Machining of an Arc-Shaped Slot Array

... the low-velocity ...when low-frequency oscillation is superimposed on a continuous feed, problems of electrolytic product removal and electrolyte renewal in the low-velocity region can ...

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Optimization of Power System Stabilizer for Multi Machine Power System using Invasive Weed Optimization Algorithm

Optimization of Power System Stabilizer for Multi Machine Power System using Invasive Weed Optimization Algorithm

... of low frequency oscillation among the interconnected group of ...a frequency range of ...damping low frequency oscillation and thus improve the small signal stability of ...

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Title: Small Signal Stability Improvement by Power System Stabilizer (PSS)

Title: Small Signal Stability Improvement by Power System Stabilizer (PSS)

... Abstract — The stability of power electrical networks is a key factor for the delivery of high quality energy. A power system stabilizer (PSS) is designed to deliver a supplement excitation signal to a synchronous ...

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The low-frequency BOLD signal oscillation response in the insular associated to immediate analgesia of ankle acupuncture in patients with chronic low back pain

<p>The low-frequency BOLD signal oscillation response in the insular associated to immediate analgesia of ankle acupuncture in patients with chronic low back pain</p>

... Decreased low-frequency oscillation responses (ALFF and fALFF) in the left insular and an increased ALFF in the left precuneus and right precentral gyrus during AA were observed during needle ...

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Small Signal Stability of Power Systems with Grid-Connected Variable Speed Wind Generators

Small Signal Stability of Power Systems with Grid-Connected Variable Speed Wind Generators

... suppress low frequency ...variable frequency transformer, which could automatically calculate and optimize the parameters of the damping controller according to the Prony ...power oscillation ...

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Mathematical Model of Multi-Frequency Piezoresonance Oscillation System

Mathematical Model of Multi-Frequency Piezoresonance Oscillation System

... three-frequency oscillation mode the numeral analysis of equations of MPOS movement is done, and the margins of acceptable system parameters are defined, which provide the stable multi-frequency ...

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Minimising microbubble size through oscillation frequency control

Minimising microbubble size through oscillation frequency control

... an oscillation to the gas stream can help reduce bubble size and this was attributed to an increased rate of bubble ‘pinch off’ due to the ...the oscillation frequency when producing air bubbles in ...

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How useful is satellite positioning system (GPS) to track gait parameters? A review

How useful is satellite positioning system (GPS) to track gait parameters? A review

... Over the last century, numerous techniques have been developed to analyze the movement of humans while walking and running. The combined use of kinematics and kinetics methods, mainly based on high speed video analysis ...

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Large-scale changes in cortical dynamics triggered by repetitive somatosensory electrical stimulation

Large-scale changes in cortical dynamics triggered by repetitive somatosensory electrical stimulation

... the low frequency, δ-band ...lower frequency band (mixed-effects model which takes into account that multiple neurons were recorded from the same animal, ...to low-frequency oscillatory ...

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Observation of Zonal Flow Type Oscillation in Linear Cylindrical ECR Plasmas

Observation of Zonal Flow Type Oscillation in Linear Cylindrical ECR Plasmas

... field oscillation, which is induced from microwave power modulation, has a zonal flow ...type oscillation has a nonlinear interaction with the drift ...

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Red giant seismology: Observations

Red giant seismology: Observations

... their low gravity, oscillations in red giants are excited at low frequency, and because of their low mean density, their oscillation pattern shows frequency differences, called ...

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A living cell quartz crystal microbalance biosensor for continuous monitoring of cytotoxic responses of macrophages to single-walled carbon nanotubes

A living cell quartz crystal microbalance biosensor for continuous monitoring of cytotoxic responses of macrophages to single-walled carbon nanotubes

... the oscillation fre- quency was observed first for two hours under room temperature and ambient air conditions to determine its stability and was then normalized to a frequency shift value Δ f of ...stable ...

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Control of cortical oscillatory frequency by a closed-loop system

Control of cortical oscillatory frequency by a closed-loop system

... departing frequency, the com- bination of current guessing and fine-tuning allowed the system to bring the oscillations close to the desired fre- ...SO frequency in the last 10 s of each run was ...SO ...

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ECE342 Lab 4. FM Wireless Microphone Objectives:

ECE342 Lab 4. FM Wireless Microphone Objectives:

... resonant frequency if L = 1.0 µH is 5 MHz, which is well within the frequency range of your function ...resonant frequency, and show your calculations of the true inductance of your ...

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