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Relevant bibliographies by topics / Root mean square (RMS)

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Academic literature on the topic 'Root mean square (RMS)'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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Journal articles on the topic "Root mean square (RMS)"

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Isniarno, Noor Fauzi, Muhammad Reyhand Alfarrel, and Bagea Bagja Gumelar. "Optimasi Iterasi dan Root Means Square (RMS) dalam Penentuan Batas Litologi dari Vertikal Elektrical Sounding (VES)." ETHOS (Jurnal Penelitian dan Pengabdian) 8, no. 1 (2020): 5058. http://dx.doi.org/10.29313/ethos.v8i1.5058.

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Abstract. The absence of outcrops in the field will make it difficult to interpret geoelectric data. To be able to determine the lithological limit below the surface, a geoelectric resistivity method with a Schlumberger (Vertical Electrical Sounding) configuration with different iteration and Root Mean Square (RMS) is used. Measurements were made with 4 geoelectric points and at the first point 2 intersections were intersected with each stretch length of 50 meters. Data processing is done manually and continued using the PROGRESS software to interpret the data and adjust the iteration and Root

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Almorín-Fernández-Vigo, Ignacio, Silvia Pagán Carrasco, Inés Sánchez-Guillén, et al. "Influence of Biometric and Corneal Tomographic Parameters on Normative Corneal Aberrations Measured by Root Mean Square." Journal of Clinical Medicine 13, no. 23 (2024): 7125. http://dx.doi.org/10.3390/jcm13237125.

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Background/Objectives: To determine the impact of corneal and biometry parameters on the normative root mean square (RMS) values of corneal aberrations measured at a 6 mm diameter. Methods: The RMS values for corneal aberrations (anterior, posterior, and total) were measured along with corneal parameters using Scheimpflug tomography on 770 normal subjects. The biometric parameters were measured with an optical biometer. A multiple linear regression model was used to assess the effect of these parameters on the RMS values for corneal aberrations. Results: The mean RMS values for low-order (LOAs

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Nakonechnyi, Oleksandr, Grygoriy Kudin, Petro Zinko, and Taras Zinko. "Guaranteed root-mean-square estimates of the forecast of matrix observations under conditions of statistical uncertainty." System research and information technologies, no. 2 (June 30, 2023): 86–103. http://dx.doi.org/10.20535/srit.2308-8893.2023.2.07.

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We investigate the problem of linear estimation of unknown mathematical expectations based on observations of realizations of random matrix sequences. Constructive mathematical methods have been developed for finding linear guaranteed RMS estimates of unknown non-stationary parameters of average values based on observations of realizations of random matrix sequences. It is shown that such guaranteed estimates are obtained either as solutions to boundary value problems for systems of linear differential equations or as solutions to the corresponding Cauchy problems. We establish the form and lo

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Rakhmadi, Imam, Ayu Gareta Risangtuni, and Suprijanto Suprijanto. "Klasifikasi Gerakan Pergelangan Tangan Berbasis Sinyal Elektromiografi dengan Fitur Root Mean Square dan Pengklasifikasi Support Vector Machine." Jurnal Otomasi Kontrol dan Instrumentasi 16, no. 2 (2024): 162–69. http://dx.doi.org/10.5614/joki.2024.16.2.10.

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The wrist is essential to various human activities, with basic flexion, extension, and straight (normal) movements. These movements can be identified using surface electromyography (sEMG) signals that allow human interaction with computers through muscle activity, referred to as a muscle-computer interface. This research aims to perform the classification of flexion, extension, and normal movements as an initial stage of developing a muscle-computer interface system. The main stages of this research include data acquisition, signal processing, and motion classification with a support vector ma

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Khidirov, I., S. Dj Rakhmanov, and Sh A. Makhmudov. "About rms amplitude of zero oscillations of atoms in crystal." Izvestiya vysshikh uchebnykh zavedenii. Fizika, no. 7 (2021): 48–53. http://dx.doi.org/10.17223/00213411/64/7/48.

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It is shown that the values of the energy and amplitude of zero-point vibrations of atoms in a crystal, due to the uncertainty principle, depend on the dynamic characteristics of atoms in the crystal. It was found that the root-mean-square amplitude of thermal and zero-point vibrations of atoms, like other properties, has a periodic dependence on the ordinal number of elements in the Mendeleev's Periodic Table. It is shown that the value of the root-mean-square amplitude of thermal vibrations of atoms in a lattice of elements with a high value of the Debye temperature at room temperature does

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Kaminski, Allison, and James McDaniel. "Predictions for the perturbed root mean square displacement of a vibrating structure using modal parameters." Journal of the Acoustical Society of America 151, no. 4 (2022): A178. http://dx.doi.org/10.1121/10.0011022.

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A harmonically vibrating structure is considered for this study and divided into segments. The objective of the proposed research is to use knowledge from the nominal structure to make predictions as to how the root mean squared (RMS) displacement of the structure will change when either the mass or stiffness of a segment is scaled. Typically, to calculate the value for the modified RMS displacement, a linear solve is required to determine the new displacement vector. Additionally, the Neumann series may be used. However, this approach requires computations of matrix-vector products, which may

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Abbate, Jessica Maria, Gabriele Grifò, Fabiano Capparucci, et al. "Postmortem Electrical Conductivity Changes of Dicentrarchus labrax Skeletal Muscle: Root Mean Square (RMS) Parameter in Estimating Time since Death." Animals 12, no. 9 (2022): 1062. http://dx.doi.org/10.3390/ani12091062.

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Electric impedance spectroscopy techniques have been widely employed to study basic biological processes, and recently explored to estimate postmortem interval (PMI). However, the most-relevant parameter to approximate PMI has not been recognized so far. This study investigated electrical conductivity changes in muscle of 18 sea bass specimens, maintained at different room temperatures (15.0 °C; 20.0 °C; 25.0 °C), during a 24 h postmortem period using an oscilloscope coupled with a signal generator, as innovative technology. The root mean square (RMS) was selected among all measured parameters

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Jackson, Robert, Yang Xu, Swarna Saha, and Kyle Schulze. "Elastic Rough Surface Contact and the Root Mean Square Slope of Measured Surfaces over Multiple Scales." Fractal and Fractional 5, no. 2 (2021): 44. http://dx.doi.org/10.3390/fractalfract5020044.

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This study investigates the predictions of the real contact area for perfectly elastic rough surfaces using a boundary element method (BEM). Sample surface measurements were used in the BEM to predict the real contact area as a function of load. The surfaces were normalized by the root-mean-square (RMS) slope to evaluate if contact area measurements would collapse onto one master curve. If so, this would confirm that the contact areas of manufactured, real measured surfaces are directly proportional to the root mean square slope and the applied load, which is predicted by fractal diffusion-bas

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Shi, Yifei, Yunfeng Qi, Hui Shen, Zhao Quan, and Ming Tang. "Theoretical Analysis on Active Polarization Control of Fiber Laser Based on Root Mean Square Propagation Algorithm." Applied Sciences 14, no. 21 (2024): 9691. http://dx.doi.org/10.3390/app14219691.

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High-power linearly polarized fiber lasers are widely used in coherent beam combination, nonlinear frequency conversion, and gravitational wave detection. With the increase in output power, it is challenging for fiber lasers to maintain a high polarization extinction ratio (PER). Combined with intelligent techniques, active polarization control is a prospective method to obtain the laser output with high PER and high stability. We demonstrate a comprehensive model of an active polarization control system. The root mean square propagation (RMS-Prop) algorithm is used to control the non-polariza

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Annisa, Nurul, Muhammad Farid Samawi, and M. Rijal Idrus. "Status of Seaweed K. alvarezii Cultivation Sustainability as a Strategic Direction for Seaweed Management in Baubau City, Southeast Sulawesi." Jurnal Penelitian Pendidikan IPA 9, no. 2 (2023): 931–37. http://dx.doi.org/10.29303/jppipa.v9i2.2874.

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This study aims to examine its sustainability status. This study used survey techniques and interviews with seaweed cultivators to collect data. Sustainability data on seaweed cultivation include social, economic, and ecological aspects. The Rapseaweed approach (Rapid Appraisal for Seaweed) has been modified from Rapfish (Rapid Appraisal for Fisheries) to evaluate the sustainability status of seaweed in a multidisciplinary manner. Analysis of the sustainability of K. alvarezii seaweed cultivation using the MDS method. The Rapseaweed analysis reveals that the ecological sustainability index val

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Dissertations / Theses on the topic "Root mean square (RMS)"

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Kurri, Prasada Reddy. "Root Mean Square-Delay Spread Characteristics for Outdoor to Indoor Wireless Channels in the 5 GHz Band." Ohio University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1305119898.

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Sanzani, Matteo. "La costruzione di un indicatore di salute per la manutenzione predittiva attraverso la programmazione genetica mono-obiettivo." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.

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La manutenzione predittiva, o Prognostic Health Management (PHM), è l’innovativa politica manutentiva basata monitoraggio continuo dello stato di salute dei componenti meccanici, grazie all’acquisizione dei dati tramite sensori applicati sui componenti stessi. Questi dati non sono facilmente analizzabili direttamente: è difatti necessaria un’attività di processing, volta ad estrarre delle caratteristiche significative e sintetiche del segnale, chiamate in letteratura features. Tipicamente, alla fase di estrazione delle features, segue una fase di selezione delle features e/o costruzione di un

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Tamburi, Marco. "Caratterizzazione della superficie di array di nanofili di silicio." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/6154/.

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Nel primo capitolo viene introdotto lo studio eff�ettuato e descritto un metodo di misure successivo alla caratterizzazione della super�ficie. Nel secondo capitolo vengono descritti i campioni analizzati e, nello speci�fico, la crescita attraverso MaCE dei nanofi�li di silicio. Nel terzo capitolo viene descritto lo strumento AFM utilizzato e la teoria della caratterizzazione alla base dello studio condotto. Nella quarta sezione vengono descritti i risultati ottenuti mentre nelle conclusioni viene tratto il risultato dei valori ottenuti di RMS roughness e roughness exponent.

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Sereda, Alena. "Metody rozptylu světla a kalorimetrie ve studiu systémů hyaluronan-albumin." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2016. http://www.nusl.cz/ntk/nusl-240559.

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This thesis, which is a continuation of the previous Bachelor thesis, is dedicated to the study of polyelectrolyte complexes between hyaluronan (HA) and bovine serum albumin (BSA). Interactions between HA and BSA and a formation of complexes were studied by SEC-MALLS method, where a molar mass, a root mean square (rms) radius, a hydronamic radius and an intrinsic viscosity of particles of the system were defined. Furthermore the interactions were studied by calorimetric measurement ITC, where thermodynamic character of complex formation was determined. Additionally, dynamic and electrophoretic

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Imbert, Villà Marc. "Design and performance evaluation of millimeter-wave flat lens antennas for communications, radar and imaging applications." Doctoral thesis, Universitat Politècnica de Catalunya, 2016. http://hdl.handle.net/10803/397648.

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Millimeter-wave systems introduce a set of particular severe requirements from the antenna point of view in order to achieve specific performances. In this sense, high directive antennas are required to overcome the huge extra path loss. Moreover, each particular application introduces additional requirements. For example, in very high throughput (VHT) wireless personal area networks (WPANs) communication systems at 60 GHz band beam-steering antennas are needed to deal with high user random mobility and human-body shadowing characteristic of indoor environments. Similarly, beam-steering capabi

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Pepenene, Refuoe Donald. "Macroscopic and Microscopic surface features of Hydrogenated silicon thin films." University of the Western Cape, 2018. http://hdl.handle.net/11394/6414.

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Magister Scientiae - MSc (Physics)<br>An increasing energy demand and growing environmental concerns regarding the use of fossil fuels in South Africa has led to the challenge to explore cheap, alternative sources of energy. The generation of electricity from Photovoltaic (PV) devices such as solar cells is currently seen as a viable alternative source of clean energy. As such, crystalline, amorphous and nanocrystalline silicon thin films are expected to play increasingly important roles as economically viable materials for PV development. Despite the growing interest shown in these materials,

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Tomczyk, Jakub Slawoj. "Correlated square root process in finite and infinite dimensions." Thesis, The University of Sydney, 2018. http://hdl.handle.net/2123/18986.

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Despite the great research interest it attracts, the square-root process, commonly known as the Cox-Ingersoll-Ross process, still presents a number of difficulties and challenges. The emerging need for modelling systemic risks, mean field effects, and tackling a large number of dimensions results in multidimensional and infinite dimensional models gaining in importance. In this thesis we study a natural extension of the square-root process to many dimensions. We assume that each coordinate process is a square root process and introduce a correlation in driving Brownian motions. The resulting m

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Kramoliš, Ondřej. "Extrakce a modifikace vlastností číslicových zvukových signálů v dynamické rovině." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218782.

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This thesis deals with basic methods of root mean square and peak value measurement of a digital acoustic signal, algotithms to measure audio programme loudness and true-peak audio level according to recommendation ITU-R BS.1770-1 and digital systems for control of signal dynamic range. It shows achieved results of root mean square and peak value measurement and results of implementation of dynamic processor with general piecewise linear non-decreasing static curve and algorithms according to recommendation ITU-R BS.1770-1.

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Ndikintum, Nfii Kangong. "A Special Inference Problem in Repeated Measures Design with Applications to Pulse Oximetry." University of Cincinnati / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1177418766.

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Gant, Lauren Christine. "Spectral analysis of root-mean-square processed surface electromyography data as a measure of repetitive muscular exertion." Diss., University of Iowa, 2012. https://ir.uiowa.edu/etd/3297.

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Highly repetitive motion is associated with upper extremity musculoskeletal disorders among industrial workers.Current methods of estimating occupational exposure to "repetitiveness" provide information about the repetitiveness of joint motion, but fail to provide complete information about the repetitiveness of muscular exertion, a more biomechanically meaningful measure of repetition. This thesis introduces an innovative digital signal processing method, from which muscular exertion frequency was estimated. Specifically, time series recordings of muscle activity obtained with surface electro

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Books on the topic "Root mean square (RMS)"

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Institute, American National Standards. American national standard for photography (film): Root mean square (rms) granularity of film (images on one side only)-- method for measuring. American National Standards Institute, 1985.

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United States. National Aeronautics and Space Administration. Scientific and Technical Information Division., ed. Measured and predicted root-mean-square errors in square and triangular antenna mesh facets. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1989.

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United States. National Aeronautics and Space Administration. Scientific and Technical Information Division., ed. Measured and predicted root-mean-square errors in square and triangular antenna mesh facets. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1989.

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Chen, Y. S. A root-mean-square pressure fluctuations model for internal flow applications. National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1985.

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United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., ed. A root-mean-square pressure fluctuations model for internal flow applications. National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1985.

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Chen, Y. S. A root-mean-square pressure fluctuations model for internal flow applications. National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1985.

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United States. National Aeronautics and Space Administration., ed. Computer simulation results and analysis for a root-raised cosine filter design using canonical signed digits. National Aeronautics and Space Administration, 1996.

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National Aeronautics and Space Administration (NASA) Staff. Measured and Predicted Root-Mean-Square Errors in Square and Triangular Antenna Mesh Facets. Independently Published, 2019.

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A root-mean-square pressure fluctuations model for internal flow applications. National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1985.

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Computer simulation results and analysis for a root-raised cosine filter design using canonical signed digits. National Aeronautics and Space Administration, 1996.

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Book chapters on the topic "Root mean square (RMS)"

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Levinson, Norman. "The Wiener RMS (Root Mean Square) Error Criterion in Filter Design and Prediction." In Selected Papers of Norman Levinson. Birkhäuser Boston, 1998. http://dx.doi.org/10.1007/978-1-4612-5335-8_16.

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Keller, Reto B. "Decibel." In Design for Electromagnetic Compatibility--In a Nutshell. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-14186-7_3.

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AbstractThis chapter introduces the topic decibel in a compact form. Decibel is defined as the ratio of two quantities, typically power, voltage, or current. In the field of EMC, the decibel must be understood. One advantage of decibels is that a gain of 10 dB means a gain of 10 dB for current, voltage, and power likewise. This fact helps to prevent misinterpretations and helps to simplify things. This is the main reason why EMC and high-frequency system engineers like to work with decibels.This chapter assumes that values of voltages V [V], currents I [A], power P [W], electric field strength

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Chai, Tianfeng. "Root Mean Square." In Encyclopedia of Mathematical Geosciences. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-030-85040-1_280.

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Weik, Martin H. "root mean square." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_16466.

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Chai, Tianfeng. "Root Mean Square." In Encyclopedia of Mathematical Geosciences. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-26050-7_280-1.

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Shekhar, Shashi, and Hui Xiong. "Root-Mean-Square Error." In Encyclopedia of GIS. Springer US, 2008. http://dx.doi.org/10.1007/978-0-387-35973-1_1142.

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Weik, Martin H. "root-mean-square deviation." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_16467.

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Bird, John. "Mean and root mean square values." In Engineering Mathematics. Routledge, 2017. http://dx.doi.org/10.4324/9781315561851-88.

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Weik, Martin H. "root-mean-square pulse broadening." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_16468.

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Weik, Martin H. "root-mean-square pulse duration." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_16469.

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Conference papers on the topic "Root mean square (RMS)"

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Billington, S. A., Y. Li, T. R. Kurfess, S. Y. Liang, and S. Danyluk. "Roller Bearing Defect Detection With Multiple Sensors." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-1268.

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Abstract Three levels of bearing outer race damage were tested over varying rotational speed and radial load. An acoustic emission sensor (AE) and accelerometer were used to record acoustic emission and vibration levels, respectively. The high frequency resonance technique (HFRT) and Adaptive Line Enhancer (ALE) were employed to process vibration signals. The primary metric of vibration level in this research is the Root-mean-square (RMS). The HFRT and ALE signal processing combination is effective in isolating deterministic defect frequencies. Finally a multi-layer perceptron neural network u

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Bogaert-Alvarez, Ricardo J., and Jaclyn M. Sekula. "The Influence of Operational Parameters on the Electrochemical Current Noise and Surface Damage of Stainless Steel Exposed to Aqueous Sodium Chloride Solutions." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04461.

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Abstract Electrochemical noise experiments were run with the 316 L stainless steel (UNS 31603) using the technique of experimental design. The purpose was to determine the influence of operational parameters (NaCl content, connection delay, length of exposure, and sampling frequency) on the electrochemical response (RMS current and maximum absolute current) and on the surface response (pit density and maximum depth of the pits). The runs determined: 1) The maximum depth shows a random behavior, 2) the pit density depends on the NaCl content, 3) The root-mean-square (RMS) current was dependent

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Mori, Michiaki, Hideyuki Kotaki, Yukio Hayashi, et al. "Pointing stable low-divergence 100 keV-class electron beam generation from microcapillary target under sub-relativistic laser intensity." In Laser Applications Conference. Optica Publishing Group, 2024. https://doi.org/10.1364/lac.2024.lw5b.1.

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Pointing stable low-divergence 100 keV-class electron beam generation driven by near critical density laser wakefield acceleration was performed. A ~30 mrad low divergence electron beam from a microcapillary hole with energies up to 400 keV was achieved at a maximum laser intensity of 1018 W/cm2. Here, shot-to-shot pointing fluctuations of the electron beam were 1.8 mrad in root-mean-square (rms). The capillary microstructure provides a very stable and low divergence beam and will be a valuable tool for various applications such as radiotherapy.

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Bogaert-Alvarez, Ricardo J., Yonghyun Kim, Jaclyn M. Sekula, and James LaBuz. "Relationships between Electrochemical Noise, Pit Depth, and Pit Density in Metallic Alloys Exposed to 3.5 Wt% Nacl Solutions." In CORROSION 2002. NACE International, 2002. https://doi.org/10.5006/c2002-02332.

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Abstract Electrochemical noise experiments with pairs of electrodes were performed in 3.5 wt % NaCl aqueous solutions using four alloys: 430 stainless steel (SS) (UNS 43000), 304L SS (UNS 30403), 316L SS (UNS 31603), and alloy 276 (UNS N10276). With a zero-resistance ammeter (ZRA), data were collected on the following parameters: root-mean-square (RMS) current and the absolute maximum current. Through microscopic observations, the following surface results were recorded: pit average depth, pit maximum depth, pit density, and differences in pit densities. Except for the latter result, the surfa

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Siringoringo, Dionysius M., Manabu Inoue, Yozo Fujino, and Yuji Koike. "Observed Performance of Osman Gazi Bridge's Active Mass Damper for Tower Vortex-Induced Vibration during in-service Condition." In IABSE Symposium, Tokyo 2025: Environmentally Friendly Technologies and Structures: Focusing on Sustainable Approaches. International Association for Bridge and Structural Engineering (IABSE), 2025. https://doi.org/10.2749/tokyo.2025.1860.

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<p>The paper describes data analysis of Active Mass Damper (AMD) systems placed on the tower of Osman Gazi suspension Bridge to mitigate vortex-induced vibration (VIV) of the bridge tower. Utilizing data from the bridge’s structural monitoring system in its in-service (operational) state, the study evaluates the performance and effectiveness of the AMD. Results indicate that the system successfully controls vibrations under VIV conditions by providing additional damping exceeding the design requirements. The findings highlight the robustness and efficiency of the active control system, d

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Owen, G., R. A. Cottis, and M. Turega. "Prediction of the Corrosion Rate of Steel in Seawater Using Neural Network Methods." In CORROSION 2000. NACE International, 2000. https://doi.org/10.5006/c2000-00489.

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Abstract An artificial neural network has been trained using a data set that was obtained for the corrasion of steel in seawater. The model appears to fit the data relatively well, in that the rms (root mean square) residuals for the training, validation and independent test sets are ail relatively low. However, several of the apparent effects of the various input parameters are counter to normal expectations. While some of these effects may be genuine, the training data has a strong structure, with a high degree of correlation between several of the input parameters. Consequently it is possib

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Lee, Joo-Hyung, Kwang-Yeun Park, Changbin Joh, Ji-Young Choi, and Imjong. "A New Solenoid-Type Sensor for Nondestructive Stress Estimation in Prestressed Steel Strands." In IABSE Congress, San José 2024: Beyond Structural Engineering in a Changing World. International Association for Bridge and Structural Engineering (IABSE), 2024. https://doi.org/10.2749/sanjose.2024.1071.

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<p>In this study, we introduce a novel solenoid-type sensor for nondestructively estimating stress in prestressed steel strands through magnetic Barkhausen noise (MBN) measurements. The sensor features a unique dual-coil system: one coil induces a magnetic field, and the other coil detects changes in magnetic flux. This is particularly advantageous in civil engineering, where steel strands are often covered with protective materials, rendering traditional contact-based MBN sensors, commonly used in railway and mechanical engineering, ineffective. Limitations due to the skin effect contro

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Reza, F., T. Begum, Z. Idris, et al. "Root mean square (RMS) of neuronal discharge during functional neurosurgery." In 2011 4th International Congress on Image and Signal Processing (CISP 2011). IEEE, 2011. http://dx.doi.org/10.1109/cisp.2011.6100613.

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Seryasat, O. R., M. Aliyari shoorehdeli, F. Honarvar, and Abolfazl Rahmani. "Multi-fault diagnosis of ball bearing using FFT, wavelet energy entropy mean and root mean square (RMS)." In 2010 IEEE International Conference on Systems, Man and Cybernetics - SMC. IEEE, 2010. http://dx.doi.org/10.1109/icsmc.2010.5642389.

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Zhang, Jinjun, Kuang Liu, and Aditi Chattopadhyay. "Fatigue Life Prediction Under Biaxial FALSTAFF Loading Using Statistical Volume Element Based Multiscale Modeling." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-86341.

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This article presents the fatigue life prediction in a cruciform specimen of 2024-T351 aluminum alloy subjected to biaxial FALSTAFF loading. An energy- and slip-based multiscale damage criterion is developed to capture the fatigue crack formation in crystalline metallic materials. In these materials, there are two stages in crack initiation: nucleation of micro cracks and coalescence of micro cracks into major cracks. In the first stage, micro cracks generate from intermetallic particles and extend into surrounding grains. For the FCC crystalline structure, fatigue damage increments in four de

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Reports on the topic "Root mean square (RMS)"

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Bylsma, wesley B. Computer Generated Root-Mean-Square (RMS) Roughness Courses for Ride Quality Evaluation. Defense Technical Information Center, 1999. http://dx.doi.org/10.21236/ada363709.

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Bylsma, Wesley. Spacial and Frequency Domain Calculation of Terrain Roughness Metric Root-Mean-Square (RMS). Defense Technical Information Center, 2014. http://dx.doi.org/10.21236/ada617210.

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Choe, Howard C., Thomas Meitzler, and Grant Gerhart. Background and Target Randomization Root Mean Square (RMS) Background Matching Using a New Delta T Metric Definition. Defense Technical Information Center, 1993. http://dx.doi.org/10.21236/ada479346.

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Fisher, Andmorgan, Taylor Hodgdon, and Michael Lewis. Time-series forecasting methods : a review. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/49450.

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Time-series forecasting techniques are of fundamental importance for predicting future values by analyzing past trends. The techniques assume that future trends will be similar to historical trends. Forecasting involves using models fit on historical data to predict future values. Time-series models have wide-ranging applications, from weather forecasting to sales forecasting, and are among the most effective methods of forecasting, especially when making decisions that involve uncertainty about the future. To evaluate forecast accuracy and to compare among models fitted to a time series, thre

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Pradhan, Nawa Raj. Estimating growing-season root zone soil moisture from vegetation index-based evapotranspiration fraction and soil properties in the Northwest Mountain region, USA. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/42128.

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A soil moisture retrieval method is proposed, in the absence of ground-based auxiliary measurements, by deriving the soil moisture content relationship from the satellite vegetation index-based evapotranspiration fraction and soil moisture physical properties of a soil type. A temperature–vegetation dryness index threshold value is also proposed to identify water bodies and underlying saturated areas. Verification of the retrieved growing season soil moisture was performed by comparative analysis of soil moisture obtained by observed conventional in situ point measurements at the 239-km2 Reyno

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Brodie, Katherine, Brittany Bruder, Richard Slocum, and Nicholas Spore. Simultaneous mapping of coastal topography and bathymetry from a lightweight multicamera UAS. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/41440.

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A low-cost multicamera Unmanned Aircraft System (UAS) is used to simultaneously estimate open-coast topography and bathymetry from a single longitudinal coastal flight. The UAS combines nadir and oblique imagery to create a wide field of view (FOV), which enables collection of mobile, long dwell timeseries of the littoral zone suitable for structure-from motion (SfM), and wave speed inversion algorithms. Resultant digital surface models (DSMs) compare well with terrestrial topographic lidar and bathymetric survey data at Duck, NC, USA, with root-mean-square error (RMSE)/bias of 0.26/–0.05 and

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Conery, Ian, Brittany Bruder, Connor Geis, Jessamin Straub, Nicholas Spore, and Katherine Brodie. Applicability of CoastSnap, a crowd-sourced coastal monitoring approach for US Army Corps of Engineers district use. Engineer Research and Development Center (U.S.), 2023. http://dx.doi.org/10.21079/11681/47568.

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This US Army Engineer Research and Development Center, Coastal and Hydraulics Laboratory, technical report details the pilot deployment, accuracy evaluation, and best practices of the citizen-science, coastal-image monitoring program CoastSnap. Despite the need for regular observational data, many coastlines are monitored infrequently due to cost and personnel, and this cell phone-image-based approach represents a new potential data source to districts in addition to providing an outreach opportunity for the public. Requiring minimal hardware and signage, the system is simple to install but re

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Anderson, Dylan, Annika O'Dea, Jessamin Straub, et al. Evaluation of the Version 1 Advanced Tactical Awareness Kit–Expeditionary Radar (ATAK-ER) for accuracy and reliability in surf-zone characterization in a range of environmental conditions. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48760.

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This Coastal and Hydraulics Engineering Technical Note (CHETN) presents the evaluation of a rapidly deployable radar and associated software for characterizing surf-zone waves, currents, and bathymetries at the US Army Engineer Research and Development Center (ERDC), Coastal and Hydraulics Laboratory (CHL), Field Research Facility (FRF), in Duck, North Carolina. This project was conducted at the request of the US Marine Corps (USMC) Warfighting Laboratory. The Version 1 Advanced Tactical Awareness Kit–Radar Expeditionary (ATAK-ER V1) system was deployed 15 times between July and August 2023 to

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Konsam, Manis Kumar, Amanda Thounajam, Prasad Vaidya, Gopikrishna A, Uthej Dalavai, and Yashima Jain. Machine Learning-Enhanced Control System for Optimized Ceiling Fan and Air Conditioner Operation for Thermal Comfort. Indian Institute for Human Settlements, 2024. http://dx.doi.org/10.24943/mlcsocfacotc6.2023.

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This paper proposes and tests the implementation of a sustainable cooling approach that uses a machine learning model to predict operative temperatures, and an automated control sequence that prioritises ceiling fans over air conditioners. The robustness of the machine learning model (MLM) is tested by comparing its prediction with that of a straight-line model (SLM) using the metrics of Mean Bias Error (MBE) and Root Mean Squared Error (RMSE). This comparison is done across several rooms to see how each prediction method performs when the conditions are different from those of the original ro

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สิริภัทราวรรณ, อุบลรัตน์, та สุวัสสา พงษ์อำไพ. การประเมินอายุการเก็บแบบรวดเร็วของผลิตภัณฑ์อาหารแปรรูปโดยใช้ NIR specytoscopy และ Chemometrics : รายงานการวิจัย. จุฬาลงกรณ์มหาวิทยาลัย, 2014. https://doi.org/10.58837/chula.res.2014.58.

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งานวิจัยนี้พัฒนาการประเมินคุณภาพและอายุการเก็บของผลิตภัณฑ์อาหารแปรรูปพร้อมบริโภค ด้วยวิธี แบบรวดเร็วโดยใช้ NIR spectroscopy ร่วมกับ chemometrics ทำโดยเตรียมผลิตภัณฑ์ไส้กรอกหมูบรรจุใน ถุงพลาสติกภายใต้ภาวะสุญญากาศและเก็บรักษาที่อุณหภูมิ 4 °C ติดตามการเปลี่ยนแปลงคุณภาพทางเคมี (ค่า pH) ทางกายภาพ (ค่าแรงตัดขาด และ ค่าสี) ทางจุลินทรีย์ (จำนวนแบคทีเรียทั้ง หมด และ แบคทีเรียแลกติก) และทาง ประสาทสัมผัส (odor, color, appearance และ overall acceptability) ของผลิตภัณฑ์ในระหว่างการเก็บรักษา รวมทั้งวิเคราะห์โดยใช้ near infrared spectroscopy จากผลการทดลองพบว่า ผลิตภัณฑ์มีค่า pH ค่าแรงตัดขาด ค่าสี (L* (ความเข

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