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

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

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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Hong, Dian, Deng Chen, Yanduo Zhang, Huabing Zhou, and Liang Xie. "Attacking Robot Vision Models Efficiently Based on Improved Fast Gradient Sign Method." Applied Sciences 14, no. 3 (2024): 1257. http://dx.doi.org/10.3390/app14031257.

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The robot vision model is the basis for the robot to perceive and understand the environment and make correct decisions. However, the security and stability of robot vision models are seriously threatened by adversarial examples. In this study, we propose an adversarial attack algorithm, RMS-FGSM, for robot vision models based on root-mean-square propagation (RMSProp). RMS-FGSM uses an exponentially weighted moving average (EWMA) to reduce the weight of the historical cumulative squared gradient. Additionally, it can suppress the gradient growth based on an adaptive learning rate. By integrati

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CHEN, J. G., X. Z. CAI, Y. SHI та ін. "NUCLEAR HALO AND ITS SCALING LAWS IN THE EXCITED STATES OF NUCLEI NEAR THE β-STABILITY LINE". International Journal of Modern Physics E 17, supp01 (2008): 50–65. http://dx.doi.org/10.1142/s0218301308011756.

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The excited states of some odd A nuclei near the stability line have been systematically investigated from light to intermediate mass with the spherical relativistic mean field (RMF) model. The ratio between the valence nucleon root-mean-square (RMS) radius and the core rms radius, the separation energy and the density distribution have been deduced as signatures for halo or skin structure. We have presented the scaling laws of the ratio of valence particle rms radii and square-potential radii versus the scaled separation energies. The probability for a valence particle being out of the bindin

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Ahmad, B. "Reduced Error in Root Mean Square (rms) Value for Square Wave Signal Relative to Sine Wave Signal." Nucleus 54, no. 3 (2017): 161–63. https://doi.org/10.71330/thenucleus.2017.178.

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Barshikar, R. R., and P. R. Baviskar. "Experimental investigation for fault diagnosis of a single stage worm gearbox using response surface methodology." Nigerian Journal of Technological Development 20, no. 2 (2023): 11–22. http://dx.doi.org/10.4314/njtd.v20i2.1259.

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Gearbox transmission system is a fundamental factor in the industrial applications. If gearbox stop working due to different faults, it may break normal machine operation and cause a production loss. This research paper focused on fault analysis of combination of worm wheel and bearing by using root mean square (RMS) and response surface method (RSM). Faults considered on outer race and inner race of worm wheel bearing, on worm wheel tooth. These faults and load were considered as an important independent factor to understand their effects on RMS response of worm gearbox. Worm gearbox experime

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15

Borji, S., M. Benzirar, L. Sabri, and M. Bouabdellaoui. "Measurement of the Root Mean Square (RMS) Temperature Fluctuations of a Turbulent Plane Jet Using an Optical Method." Fluctuation and Noise Letters 15, no. 04 (2016): 1650023. http://dx.doi.org/10.1142/s0219477516500231.

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The purpose of this paper is to reach the root mean square (RMS) value of the fluctuating temperature along a jet plane by examining only the impact produced by a laser beam after having traversed the heated jet of air. This model is based on the Einstein–Fokker–Planck–Kolmogorov (EFPK) equation, which helped us to determine the value of the jet diffusion coefficient defined as a proportionality factor between the mean square of the deflection angle fluctuations and the length of the corresponding finite laser beam path. The numerical method of calculation in our work uses the value of the loc

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Kanwal, Mehak, Sarwat Zahra, and Samreen Zahra. "Proton electromagnetic form factor and radius extracted from elastic pp scattering at √s ≈ 7, 8, and 13 TeV using the Chou-Yang model." Nuclear Physics and Atomic Energy 26, no. 1 (2025): 55–59. https://doi.org/10.15407/jnpae2025.01.055.

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Chou-Yang model has been used to obtain the electromagnetic form factor and the root mean square (rms) radius of the proton, using experimental data for proton-proton elastic scattering at √s ≈ 7, 8, and 13 TeV. The differential cross-section data at low squared four-momentum transfer ∣t∣ is fitted to a single exponential function to extract the form factor at the aforementioned center of mass energies. Extracted electromagnetic form factors are used for the prediction of rms radius of the proton. A comparison of electromagnetic form factor and rms charge radius at the different centers of mas

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Dvornikov, O. V., U. N. Bakhur, A. G. Bakhir, U. M. Lazouski, and V. A. Tchekhovski. "Arbitrary Waveform Voltage Measuring Converter for Wideband AC Voltmeter." Devices and Methods of Measurements 15, no. 3 (2024): 174–85. http://dx.doi.org/10.21122/2220-9506-2024-15-3-174-185.

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Alternating current (AС) voltage measurement is one of the most common types of measurements in various fields of science and technology. To evaluate the AC voltage level, special voltmeters are used which allow recording of amplitude, average and/or root mean square (RMS) voltage values. Among these measuring instruments, voltmeters of mean square voltage are especially significant because RMS is a fundamental physical characteristic of an electrical signal and is a true measure of power. The wide distribution of non-sinusoidal signals necessitates the creation of voltmeters for direct measur

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Zahra, Sarwat, Bushra Shafaq, Bushra Kanwal, and Nosheen Akbar. "Variation in rms charge radii of deuteron and helium nuclei with s\sqrt s." Nukleonika 65, no. 4 (2020): 211–15. http://dx.doi.org/10.2478/nuka-2020-0032.

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AbstractBy considering energy-dependent form factors extracted from generalized Chou–Yang model, root mean square (rms) charge radii of deuteron and helium nuclei (alpha) are predicted at different values of center of mass energy which are in good agreement with theoretical predictions and experimental results. The rms radius is inversely proportional to mass of nuclei. Besides, the relationship between radii and energy are also derived.

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19

Filho, Florêncio, Pedro Oliveira, Sanval Santos, Alex Santos, and Gilney Zebende. "Analysis of Electroencephalographic Signals Using the Root Mean Square (RMS) Fluctuation Function: Applicable Sample Test." Mathematical Modelling and Applications 9, no. 3 (2024): 70–75. http://dx.doi.org/10.11648/j.mma.20240903.13.

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Brain signals extracted through brain-computer interface systems (BCI2000- http://www.bci2000.org) allow researchers and computer scientists to cooperate with techniques, mathematical models and statistical inferences that allow the interpretation of a variety of signals provided by people with conditions that significantly affect the ability to move or perform motor activities due to limitations in muscles, bones or nervous system. For this study, we propose a preliminary test with the root mean square (rms) fluctuation function, with EEG data, whose task was the response given to real/imagin

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Lee, H. W., Y. H. Lim, and P. W. Ko. "Usefulness root mean square (RMS) analysis using wearable sensors for assessing balance in neurodegenerative disorders." Journal of the Neurological Sciences 405 (October 2019): 21–22. http://dx.doi.org/10.1016/j.jns.2019.10.1587.

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Ahmed, Riaz, Ziaullah Choudhry, Fazal Ur-Rehman Qazi, et al. "Influence of 17% EDTA and Sapindus mukorossi on the Surface Property of Protaper Gold Rotary Endodontic Instruments." Applied Sciences 12, no. 14 (2022): 7208. http://dx.doi.org/10.3390/app12147208.

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The aim of the study was to evaluate the influence of 17% ethylenediaminetetraacetic acid (EDTA) and ethanolic extract of Sapindus mukorossi (S. mukorossi) in combination with canal shaping on surface properties of ProTaper Gold rotary endodontic file. Sixteen F1 ProTaper Gold rotary files underwent the standard protocol for root canal treatment using two irrigants (S. mukorossi and 17% EDTA) in single-rooted decoronated teeth. Eight unused files were used as a control. All files were examined under an atomic force microscope (AFM) to evaluate surface roughness (Ra) and root mean square (RMS).

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Raza, Nauman, Asma Rashid Butt, and Ahmad Javid. "Approximate Solution of Nonlinear Klein-Gordon Equation Using Sobolev Gradients." Journal of Function Spaces 2016 (2016): 1–7. http://dx.doi.org/10.1155/2016/1391594.

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The nonlinear Klein-Gordon equation (KGE) models many nonlinear phenomena. In this paper, we propose a scheme for numerical approximation of solutions of the one-dimensional nonlinear KGE. A common approach to find a solution of a nonlinear system is to first linearize the equations by successive substitution or the Newton iteration method and then solve a linear least squares problem. Here, we show that it can be advantageous to form a sum of squared residuals of the nonlinear problem and then find a zero of the gradient. Our scheme is based on the Sobolev gradient method for solving a nonlin

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OKYAY, Mehmet Fatih. "Evaluation of one-point fixation surgery with computer-aided root mean square deviation in zygomaticomaxillary complex fractures." Journal of Health Sciences and Medicine 6, no. 6 (2023): 1393–97. http://dx.doi.org/10.32322/jhsm.1354661.

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Aims: Our paper aimed to present the results of the one-point fixation method in zygomaticomaxillary fractures by computer-aided mirror image superimposition with root mean square (RMS) deviation. Methods: One-point fixation performed zygomaticomaxillary complex fracture patients (n=18) by one surgeon were included in our study. Virtual 3D data of preoperative and postoperative CT-scan images was obtained by Slicer software. Sagittal plan mirror image superpositioning were used to obtain RMS data by Slicer. Mirror image superimposition of the undamaged side to the broken side in preopera

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Lu, Tao, Xing Guo Zhu, Ping Wang, and Wei Yyu Zhu. "Numerical Simulation of Flow and Heat Transfer with Large-Eddy Simulation in a Mixing T-Junction." Applied Mechanics and Materials 152-154 (January 2012): 1319–24. http://dx.doi.org/10.4028/www.scientific.net/amm.152-154.1319.

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In the present paper, large-eddy simulation (LES) based on commercial computational fluid dynamics (CFD) software FLUENT for prediction of flow and heat transfer in a mixing T-junction was completed. Mean and root mean square (RMS) temperature and velocity were defined to describe the distributions and fluctuations of temperature and velocity. Numerical results indicate that profiles between symmetrical planes are almost same and the root mean square temperature and velocity close to the center of the main duct in the downstream are larger than those near the main duct wall. The prediction of

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Oktova, Raden. "PENGGUNAAN PARAMETER BARU POTENSIAL WOODS - SAXON UNTUK PERHITUNGAN SPEKTRUM TENAGA INTI 208Pb." Jurnal Forum Nuklir 7, no. 2 (2017): 113. http://dx.doi.org/10.17146/jfn.2013.7.2.3463.

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PENGGUNAAN PARAMETRISASI BARU POTENSIAL WOODS-SAXON UNTUK PERHITUNGAN SPEKTRUM TENAGA INTI 208Pb. Telah dihitung aras-aras tenaga partikel-tunggal dan lubang-tunggal untuk inti 208Pb menggunakan potensial Woods-Saxon dengan parametrisasi baru dalam ruang koordinat dengan algoritma Numerov. Dibandingkan parametrisasi lama, parametrisasi baru potensial Woods-Saxon berhasil meningkatkan ketelitian deviasi rms tenaga terhadap eksperimen hanya sejauh menyangkut deviasi rms tenaga partikel-tunggal saja, namun gagal untuk deviasi rms (root mean square) tenaga lubang-tunggal. Dalam hal struktur aras t

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Hirose, A., and O. Ishihara. "On plasma diffusion in strong turbulence." Canadian Journal of Physics 77, no. 10 (2000): 829–33. http://dx.doi.org/10.1139/p99-069.

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It is shown that the velocity diffusivity of electrons in strong Langmuir turbulence is linearly proportional to the root-mean-square (rms) value of the electric field. The time-dependent diffusivity previously identified is a transient phenomenon. In 2-D spatial diffusion due to ExB velocity turbulence, time-dependent intermediate diffusivity emerges also followed by a well-behaved diffusivity proportional to the rms amplitude of the turbulent field.PACS Nos.: 52.25Fi, 52.35Ra, 52.65Cc

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Guo, Xufei, and Yan Han. "Ultrasonic Total Focusing Imaging Method of Multilayer Composite Structures Using the Root-Mean-Square (RMS) Velocity." Advances in Materials Science and Engineering 2021 (October 29, 2021): 1–11. http://dx.doi.org/10.1155/2021/2745732.

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Multilayer composite structures have been widely used in industrial manufacturing, and nondestructive testing of these multilayer structures is to ensure their reliable quality and performance. Currently, ultrasonic total focusing method (TFM) imaging using full-matrix capture (FMC) technology has been proven to sense small defects in a single homogeneous medium and improve the imaging signal-to-noise ratio. However, these algorithms cannot be accurately applied to imaging of multilayer composite structures, due to the acoustic impedance variation and because reflection and refraction occur at

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Alrubei, Mohammed A. T., and Hussein Shakor Mogheer. "Analysis and development of RMS measurement system." Radioelectronics. Nanosystems. Information Technologies. 17, no. 3 (2025): 285–94. https://doi.org/10.17725/j.rensit.2025.17.285.

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At present, the method based on fast Fourier transform (FFT) is the most popular method for the measurement of the root mean square value (RMS). The article discusses the three different approaches of the RMS measurement were considered: Methodological error estimation of RMS value in time domain without and with window function, and methodological error estimation of RMS value in frequency domain with window function. For each of the approaches under consideration, analytical expressions are obtained for calculation of the RMS measurement error. In the latter case, an applying Bart-Hann windo

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Naus, Krzysztof, and Piotr Szymak. "Using Interchangeably the Extended Kalman Filter and Geodetic Robust Adjustment Methods to Increase the Accuracy of Surface Vehicle Positioning in the Coastal Zone." Applied Sciences 13, no. 4 (2023): 2110. http://dx.doi.org/10.3390/app13042110.

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This paper presents a study to evaluate the comparative positioning accuracy of Surface Vehicle (SV) using Dead Reckoning (DR), Geodetic Least-Squares Adjustment (GLSA), Geodetic Robust Adjustment (GRA), and External Kalman Filter (EKF) methods. This involved simulating the results of navigational measurements subject to errors (including gross errors) used to position the SV swimming along a given trajectory in the vicinity of three beacons. We showed an apparent increase in the SV positioning accuracy, from approximately 9 m of Root Mean Square (RMS) obtained by DR and GLSA methods, to appro

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Messina, Carmelo, Salvatore Gitto, Roberta Colombo, et al. "Short-Term Precision and Repeatability of Radiofrequency Echographic Multi Spectrometry (REMS) on Lumbar Spine and Proximal Femur: An In Vivo Study." Journal of Imaging 9, no. 6 (2023): 118. http://dx.doi.org/10.3390/jimaging9060118.

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To determine the short-term intra-operator precision and inter-operator repeatability of radiofrequency echographic multi-spectrometry (REMS) at the lumbar spine (LS) and proximal femur (FEM). All patients underwent an ultrasound scan of the LS and FEM. Both precision and repeatability, expressed as root-mean-square coefficient of variation (RMS-CV) and least significant change (LSC) were obtained using data from two consecutive REMS acquisitions by the same operator or two different operators, respectively. The precision was also assessed in the cohort stratified according to BMI classificati

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Ma, Xunju, Yali Liu, Qiuzhi Song, and Can Wang. "Continuous Estimation of Knee Joint Angle Based on Surface Electromyography Using a Long Short-Term Memory Neural Network and Time-Advanced Feature." Sensors 20, no. 17 (2020): 4966. http://dx.doi.org/10.3390/s20174966.

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Continuous joint angle estimation based on a surface electromyography (sEMG) signal can be used to improve the man-machine coordination performance of the exoskeleton. In this study, we proposed a time-advanced feature and utilized long short-term memory (LSTM) with a root mean square (RMS) feature and its time-advanced feature (RMSTAF; collectively referred to as RRTAF) of sEMG to estimate the knee joint angle. To evaluate the effect of joint angle estimation, we used root mean square error (RMSE) and cross-correlation coefficient ρ between the estimated angle and actual angle. We also compar

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Cicmil, Miloš. "PROGRAMSKA PODRŠKA ZA ANALIZU NUMERIČKIH METODA ZA MERENJE EFEKTIVNE VREDNOSTI NAPONA." Zbornik radova Fakulteta tehničkih nauka u Novom Sadu 35, no. 03 (2020): 600–603. http://dx.doi.org/10.24867/07be43cicmil.

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U radu je opisana projektovana programska podrška za analizu 6 različitih metoda za aproksimaciju efektivne vrednosti (Root mean square, RMS) napona naizmeničnog signala (koji ne mora biti prostoperiodičan), na osnovu semplovanih odbiraka, redom pravougaone, trapezne i Simpsonovih metoda (polinoma drugog i trećeg), kao i dve modifikovane Simpsonove metode [1].

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ZUO, XUE, HUA ZHU, YUANKAI ZHOU, and YAN LI. "A NEW METHOD FOR CALCULATING THE FRACTAL DIMENSION OF SURFACE TOPOGRAPHY." Fractals 23, no. 03 (2015): 1550022. http://dx.doi.org/10.1142/s0218348x1550022x.

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A new method termed as three-dimensional root-mean-square (3D-RMS) method, is proposed to calculate the fractal dimension (FD) of machined surfaces. The measure of this method is the root-mean-square value of surface data, and the scale is the side length of square in the projection plane. In order to evaluate the calculation accuracy of the proposed method, the isotropic surfaces with deterministic FD are generated based on the fractional Brownian function and Weierstrass–Mandelbrot (WM) fractal function, and two kinds of anisotropic surfaces are generated by stretching or rotating a WM fract

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Tung, Nguyen Thanh, and Luong Van Van. "A study on the vibration of a bus with air suspension system moving on random road surface profiles with different speeds." Engineering Solid Mechanics 11, no. 2 (2023): 119–24. http://dx.doi.org/10.5267/j.esm.2023.1.004.

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This paper presents the results of research on the vibration of the Hyundai Universe bus using an air suspension system and mechanical suspension system when it is run at different speeds on random road surface profiles according to ISO 8608:2016. The research results show that the used air suspension system ensures smooth movement and dynamic safety according to TCVN 6964:2008 (ISO 2631:2003) and VDI 2057:2017 standards. The maximum vehicle speeds on different road classes varied from 105km/h to 65km/h. A vehicle with an air suspension system provided a smaller root mean square of vibration a

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Piirto, Mika, Aku Karvinen, Hannu Ahlstedt, Pentti Saarenrinne, and Reijo Karvinen. "PIV Measurements in Square Backward-Facing Step." Journal of Fluids Engineering 129, no. 8 (2007): 984–90. http://dx.doi.org/10.1115/1.2746896.

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Measurements with both two-dimensional (2D) two-component and three-component stereo particle image velocimetry (PIV) and computation in 2D and three-dimensional (3D) using Reynolds stress turbulence model with commercial code are carried out in a square duct backward-facing step (BFS) in a turbulent water flow at three Reynolds numbers of about 12,000, 21,000, and 55,000 based on the step height h and the inlet streamwise maximum mean velocity U0. The reattachment locations measured at a distance of Δy=0.0322h from the wall are 5.3h, 5.6h, and 5.7h, respectively. The inlet flow condition is f

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Syrkin, E. S., and I. M. Gel’fgat. "Low-temperature vibrational characteristics of surface atoms in the presence of a weakly coupled impurity layer." Soviet Journal of Low Temperature Physics 12, no. 5 (1986): 295–98. https://doi.org/10.1063/10.0031500.

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The effect of a weakly coupled impurity surface monolayer on the phonon spectrum, root mean square displacements and on the melting temperature of the near-surface layers has been investigated. In particular, a sharp low-temperature maximum in the temperature dependent part of the rms displacements of the surface atoms was found.

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Mamta, Kashyap, and Tiwari Shruti. "An experimental study of surge protection in smart meter installation in the residential sector." i-manager’s Journal on Electrical Engineering 16, no. 3 (2023): 11. http://dx.doi.org/10.26634/jee.16.3.19449.

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This paper aims to construct an experimental system using the Arduino UNO microcontroller board to measure the electrical quantities and protect against surge circumstances in a single-phase power supply. The system utilized a voltage sensor and a current sensor, and data was transferred to a personal computer for graphical examination. The Root Mean Square (RMS) method was used to measure electrical values, and the system is allowed to decide whether to turn the load on or off based on the comparison of RMS voltage measurement to the lowest and maximum voltages. The Telemetry Viewer v0.5 soft

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Okilanda, Ardo, Mikkey Anggara Suganda, Ahmad Chaeroni, et al. "Comparative analysis of elevated and floor push-up exercises for activation of the pectoralis major muscle." Retos 57 (June 26, 2024): 747–52. http://dx.doi.org/10.47197/retos.v57.107264.

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This study aimed to measure muscle activation by comparing electromyography (EMG) of two types of pushups i.e., ground-based and elevated. 20 male active sportspersons (age 20.12±3.57years, weight 65.38±9.32kg, height 175.5±10.5cm) were recruited in the study. The upper body muscle pectoralis major (PM) was chosen as target muscle for the study. Root mean square (RMS) of EMG activities were analysed for the PM muscle to determine maximum muscle involvement. In the elevated pushups, the samples performed the pushups on an elevated pushup bar of 18-centimeter height, in which they gripped the ba

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Oncins, Maristella Cecco, Marilena Manno Vieira, and Silvana Bommarito. "Eletromiografia dos músculos mastigatórios: análise em valor original e RMS." Revista CEFAC 16, no. 4 (2014): 1215–21. http://dx.doi.org/10.1590/1982-021620146913.

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Objetivo comparar a atividade elétrica dos músculos masseter e temporal, porção anterior, no repouso, contração isométrica voluntária máxima e na mastigação em análise valor original (µv) e em Root Mean Square (RMS). Métodos estudo observacional, descritivo. Foi realizado eletromiografia de superfície nos músculos masseter e temporal, porção anterior, bilateralmente, em 18 mulheres entre 27 e 50 anos de idade. O exame foi realizado em três situações: durante o repouso, na contração isométrica voluntária máxima e mastigação habitual, com uva passa sem semente como alimento. O eletromiógrafo uti

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Buzea, C. A., Anca Rodica Dan, Caterina Delcea, et al. "P Wave Signal-Averaged Electrocardiography in Patients with Chronic Obstructive Pulmonary Disease." Romanian Journal Of Internal Medicine 53, no. 4 (2015): 315–20. http://dx.doi.org/10.1515/rjim-2015-0040.

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Abstract Introduction. Chronic obstructive pulmonary disease (COPD) is associated with higher incidence of supraventricular arrhythmias. Atrial late potentials (ALP) detected by P-wave signal-averaged electrocardiography (SAECG) could be useful in detecting the patients at risk for supraventricular arrhythmias. Our objective was to assess the role of P-wave SAECG and ALP detection for arrhythmic risk evaluation of the patients with exacerbated COPD. Methods. We prospectively included 45 patients with exacerbation of COPD and 58 age-matched patients with no history of pulmonary disease in a con

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Zheng, Yang, Dan Xie, Jing Ma, Tian Ling Ren, and Li Tian Liu. "Micro Magnetic Field Sensor Based On Terfenol-D/PZT/Terfenol-D Magnetoelectric Composites." Key Engineering Materials 483 (June 2011): 190–94. http://dx.doi.org/10.4028/www.scientific.net/kem.483.190.

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A new type of magnetic sensor based on magnetoelectric(ME) composites has been designed and fabricated. The ME composites has a Terfenol-D/PZT/Terfenol-D structure and its ME coefficient is 0.36 V/cm Oe at room temperture. The sensor has AC magnetic measurement ranges from 0.02 Oe to 12 Oe, reaches a sensitivity of 5×10-3 Oe and has a flat response within 15 kHz. The sensor is equipped with a pre-amplifier and an Root Mean Square(RMS) value convertor.

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Chen, Jian'gang, Zhi Luo, Ronggen Wu, and Haiyang Cai. "Gear tooth breakage analysis based on multi-order modulated sideband RMS trending method." Journal of Physics: Conference Series 2113, no. 1 (2021): 012007. http://dx.doi.org/10.1088/1742-6596/2113/1/012007.

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Abstract The fault characteristic signal energy for early gear tooth breakage is relatively weak and easily drowned by other signals, which is not conducive to the study of the fault development stage. A multi-order modulated sideband RMS (Root Mean Square) trend analysis method is proposed to analyse the development trend of the broken gear fault characteristics. By using this method to analyse gear breakage faults, the multi-order modulated sideband RMS trend analysis method can effectively determine the fault deterioration and fault stabilisation stages.

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Dvornikov, O. V., U. N. Bakhur, A. G. Bakhir, U. M. Lazouski, and V. A. Tchekhovski. "Design and Circuitry Features of the Measuring Voltage Converters Synthesis." Devices and Methods of Measurements 16, no. 1 (2025): 35–46. https://doi.org/10.21122/2220-9506-2025-16-1-35-46.

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In electronic equipment it is often necessary to estimate the level of electrical signals of various shapes, the most adequate characteristic of which is the root-mean-square value of voltage VRMS . It is preferable to use alternating current-to-direct current converters by the root-mean-square value (so called RMS-DC converter) based on thermoelectric converters to determine VRMS for which electrical circuits have been developed and recommendations for selecting components to minimize the conversion error have been formulated. However a small value of the conversion error is not the only requ

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Gao, Lv, Wu, Si, and Hu. "Method for Determining Starting Point of Rolling Bearing Life Prediction Based on Linear Regression." Electronics 8, no. 9 (2019): 923. http://dx.doi.org/10.3390/electronics8090923.

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Aimed at addressing the problem that the subjective selection of start prediction time (SPT) in rolling bearing remaining useful life (RUL) prediction will lead to excessive noise in the prediction signal, a linear-regression-based SPT point determination was proposed. The sliding window linear regression method was used to establish sliding windows in the root mean square (RMS) range to obtain the RMS gradient domain. The threshold for the RMS gradient was set, and the continuous trigger threshold mechanism to determine the SPT point was used. The experimental results show that the linear-reg

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Mădălina Dumitriu and Ioan Cristian Cruceanu. "Experimental Analysis of Vertical Vibrations of a Railway Bogie." Communications - Scientific letters of the University of Zilina 23, no. 4 (2021): B299—B307. http://dx.doi.org/10.26552/com.c.2021.4.b299-b307.

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The paper presents a study of the vertical vibrations of a bogie of a passenger vehicle, based on the acceleration of the axles and the bogie frames, measured during the running at a constant velocity. To this purpose, the root mean square (RMS) acceleration is calculated for more measurement sequences at different velocities. In principle, the RMS acceleration increases along with the velocity and influence of the variability of the amplitude in the track defects upon the dispersion of the values in the RMS acceleration. Based on the spectral analysis of the measured acceleration, wheel defec

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He, Jun Feng, and Chang Chun Huang. "Large Amount of Off-Axis Machining Ellipsoidal Reflector." Applied Mechanics and Materials 484-485 (January 2014): 254–58. http://dx.doi.org/10.4028/www.scientific.net/amm.484-485.254.

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The article introduces the off-axis ellipsoidal mirror processing and testing, and uses AutoCAD software to calculate the maximum aspheric mirrors degrees. After processing the off-axis ellipsoidal reflector inclination error of 1.55arcsec, root mean square roughness ((RMS) of 3.21nn, focal length error is less than 1mm, and the surface accuracy can reach λ / 6 (0.51-0.98 μ m).

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MALI, PROVASH. "GROUND STATE PROPERTIES OF EXTREME NEUTRON RICH ISOTOPES OBSERVED: A RELATIVISTIC MEAN FIELD APPROACH." International Journal of Modern Physics E 20, no. 11 (2011): 2293–303. http://dx.doi.org/10.1142/s0218301311020344.

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The ground state properties namely the binding energy, the root mean square (rms) radius (neutron, proton and charge) and the deformation parameter of 45 newly identified neutron-rich isotopes in the A~71–152 mass region have been predicted in the relativistic mean filed (RMF) framework along with the Bardeen–Cooper–Schrieffer (BCS) type of pairing. Validity of the RMF results with the NL3 effective force are tested for odd-A Zn and Rh isotopic chains without taking the time reversal symmetry breaking effects into consideration. The RMF prediction on the binding energies are in good agreement

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Syahrul Ramadhani, Yohanna Lilis Handayani, and Sigit Sutikno. "ANALISIS KALIBRASI MODEL HSS CLARK DENGAN MENGGUNAKAN PROGRAM HEC-HMS." Sainstek (e-Journal) 6, no. 2 (2018): 15–22. http://dx.doi.org/10.35583/js.v6i2.5.

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Penerapan Hidrograf Satuan Sintetik (HSS) Clark pada DAS Lubuk Bendahara membutuhkan analisis yanglebih detail. Data curah hujan dan pencatatan muka air otomatis (AWLR) lapangan diperlukan sebagai bahankalibrasi. Parameter kehilangan air (loss model), aliran dasar (baseflow) dan transformasi aliran (transformmethod) dalam hidrograf satuan sintetik Clark dikalibrasi dengan menggunakan program HEC-HMS. Proseskalibrasi ini menggunakan tiga metode objective function yaitu Peak Weighted Root Mean Square (RMS) Error,Percent Error Peak dan Percent Error Volume. Hasil kalibrasi menunjukkan nilai yang

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Kim, Hyoun Woo, Jong Woo Lee, Jeong Whan Han, et al. "Growth of In₂O₃ Thin Films on Lithium Aluminum Oxide Using a Triethylindium and Oxygen Mixture." Key Engineering Materials 342-343 (July 2007): 625–28. http://dx.doi.org/10.4028/www.scientific.net/kem.342-343.625.

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Indium oxide (In2O3) films were successfully grown on LiAlO2 substrates using the triethylindium (TEI) as a precursor in the presence of oxygen in the metalorganic chemical vapor deposition process. We have established the correlation between the substrate temperature and the structural properties. The grain structures were clearly shown on the surface of the films deposited at 350°C. The root mean square (RMS) surface roughness of the In2O3 films increased with increasing the substrate temperature. A photoluminescence measurement at room temperature exhibited a yellow-green emission band cent

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Wu, Li Qun, and Yan Chao. "Study on Optimal Methodology of RMS Roughness in Super Smooth Surfaces by CCI." Advanced Materials Research 308-310 (August 2011): 1050–53. http://dx.doi.org/10.4028/www.scientific.net/amr.308-310.1050.

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Roughness parameters such as the root-mean-square (RMS) roughness in super smooth surfaces are heavily influenced by evaluation ways and measuring method. With the help of CCI6000, relationships were investigated respectively between the RMS roughness with the instrument parameter set and cutoff wavelength. The study revealed that there was an optimal set of measurement parameters and a dynamic cutoff wavelength that would identify different wavelength regimes when measuring super smooth surfaces. It was found that the proposed scheme greatly reduced the influences of CCI instrument parameters

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