Results 111 to 120 of about 3,066,557 (335)

Low Frequency Noise and phantom sounds

open access: yesNoise Notes, 2009
Suffering from more or less continuous and more or less steady low pitched sounds at home can be a serious threat to well-being. Often the sound source is not obvious or cannot be found. In many cases there is no clear evidence from the analysis of the ambient sound what the disturbing sound could be.
openaire   +1 more source

Low frequency noise and annoyance in classroom [PDF]

open access: yesNoise Notes, 2000
The most common method for noise assessment is the A-weighted sound pressure level. The question has been raised as to whether the frequency weighting with an A-filter gives a correct result when assessing the annoyance response to noise containing strong low frequency noise (LFN) components.
Pär Lundquist   +2 more
openaire   +1 more source

Analysing the significance of small conformational changes and low occupancy states in serial crystallographic data

open access: yesFEBS Open Bio, EarlyView.
This protocol paper outlines methods to establish the success of a time‐resolved serial crystallographic experiment, by means of statistical analysis of timepoint data in reciprocal space and models in real space. We show how to amplify the signal from excited states to visualise structural changes in successful experiments.
Jake Hill   +4 more
wiley   +1 more source

Low Frequency Noise and Its Assessment and Evaluation

open access: yesArchives of Acoustics, 2013
The main aim of this paper is to present recent knowledge about the assessment and evaluation of low frequency noise and infrasound close to the threshold of hearing and the potential effects on human health.
Stanislav ZIARAN
doaj  

Low phase-noise digital frequency divider [PDF]

open access: yes, 1973
Digitally generated countdown pulse at submultiple frequency is applied to one electrode of FET gate to establish threshold state; gate cannot function until desired portion of reference half-wave pulse which is to be passed appears on second ...
Lutes, G. F., Jr.
core   +2 more sources

Persistent Rabi oscillations probed via low-frequency noise correlation

open access: yes, 2010
The qubit Rabi oscillations are known to be non-decaying (though with a fluctuating phase) if the qubit is continuously monitored in the weak-coupling regime.
Alexander N. Korotkov   +2 more
core   +1 more source

Separation of random telegraph signals from 1/f noise in MOSFETs under constant and switched bias conditions [PDF]

open access: yes, 2003
The low-frequency noise power spectrum of small dimension MOSFETs is dominated by Lorentzians arising from random telegraph signals (RTS). The low-frequency noise is observed to decrease when the devices are periodically switched 'off'.
Kolhatkar, J.S.   +3 more
core   +3 more sources

Digital twins to accelerate target identification and drug development for immune‐mediated disorders

open access: yesFEBS Open Bio, EarlyView.
Digital twins integrate patient‐derived molecular and clinical data into personalised computational models that simulate disease mechanisms. They enable rapid identification and validation of therapeutic targets, prediction of drug responses, and prioritisation of candidate interventions.
Anna Niarakis, Philippe Moingeon
wiley   +1 more source

Interim prediction method for low frequency core engine noise [PDF]

open access: yes
A literature survey on low-frequency core engine noise is presented. Possible sources of low frequency internally generated noise in core engines are discussed with emphasis on combustion and component scrubbing noise.
Clark, B. J., Dorsch, R. G., Huff, R. G.
core   +1 more source

Microscopic Analysis of Low-Frequency Flux Noise in YBa$_2$Cu$_3$O$_7$ Direct Current Superconducting Quantum Interference Devices

open access: yes, 2004
We use low-temperature scanning electron microscopy combined with SQUID detection of magnetic flux to image vortices and to investigate low-frequency flux noise in YBa$_2$Cu$_3$O$_7$ thin film SQUIDs.
Doenitz, D.   +3 more
core   +1 more source

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