noise measurement


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noise measurement

[′nȯiz ‚mezh·ər·mənt]
(acoustics)
The process of quantitatively determining one or more properties of acoustic noise.
(electronics)
Any of a wide range of measurements of random and nonrandom electrical noise, but usually noise-power measurement.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Royston, United Kingdom, August 08, 2019 --(PR.com)-- Bruel & Kjaer UK's training sessions for the autumn include Theory and Practice of Noise Measurement, running 1st and 2nd October.
(NYSE: KEYS), a technology company that helps enterprises, service providers and governments accelerate innovation to connect and secure the world, today introduced a new phase noise measurement system for "power users", which enables them to optimize and prove performance of new designs, meet operational requirements, as well as remain on schedule and on budget, the company said.
The power supply contribution to phase noise was calculated based on the characterized H[empty set] (s) and compared to the phase noise measurement using the Rohde & Schwarz FSWP26.
The mathematical calculations and scientific analysis and descriptions of variables that affect low noise measurement systems make for a reference that delves into changing environments, digital selective bandpass sampling, magnetic calibration, and more.
Considering the fact that environmental noise is a contributing factor to the appearance of the above mentioned diseases, noise measurement and assessment of its impact on the health of the population has been in the focus of medical profession for a number of years.
The aim of noise measurement is to identify noise levels in measurement points, and define minimum [L.sub.AFmin] equivalent [L.sub.AeqT] and maximum [L.sub.AFmax] sound levels.
One of the reasons is that the noise measurement is technically difficult when compared to the conventional conductance measurement.
Thus, depending on the surface type, such as PCC and AC pavements, the noise model parameters are the [a.sub.1], [a.sub.2], [a.sub.3], and [a.sub.4] values, expressed as [x.sub.k] state vectors, using field noise measurement data.
An increasing number of UK ports, including Felixstowe, Port of Tyne and Peterhead, are said to be benefiting from high performance environmental and occupational health noise measurement instrumentation from SVANTEK UK.
New noise measurement facilities at Millbrook are designed to help develop automotive technologies, including electric and hybrid vehicles.
Confirming this idea, we decided to perform mapping of resonant frequencies of upper geological layers in the vicinity of a mining pit using seismic noise measurement. Geophysical measurement was made in the locality and the borehole documentation was also studied for detailed interpretation of obtained frequencies.