Results 11 to 20 of about 1,008,946 (253)

An analysis of packet sampling in the frequency domain [PDF]

open access: yesProceedings of the 9th ACM SIGCOMM conference on Internet measurement, 2009
Packet sampling techniques introduce measurement errors that should be carefully handled in order to correctly characterize the network behavior. In the literature several works have studied the statistical properties of packet sampling and the way it should be inverted to recover the original network measurements.
Grieco, LA, Barakat, C.
openaire   +1 more source

Time and Frequency Domain Dynamic Analysis of Offshore Mooring

open access: yesJournal of Marine Science and Engineering, 2021
The numerical procedures for dynamic analysis of mooring lines in the time domain and frequency domain were developed in this work. The lumped mass method was used to model the mooring lines. In the time domain dynamic analysis, the modified Euler method
Shi He, Aijun Wang
doaj   +1 more source

Frequency Domain Horizontal Cross Correlation Analysis of RSA

open access: yesAdvances in Electrical and Computer Engineering, 2022
This study shows that a previously published cross correlation based power analysis (CCPA) attack applied to the Montgomery Ladder exponentiation steps of a Rivest Shamir Adleman (RSA) implementation can be improved by working in frequency domain.
AKALP KUZU, E.   +2 more
doaj   +1 more source

Time-Domain Implementation and Analyses of Multi-Motion Modes of Floating Structures

open access: yesJournal of Marine Science and Engineering, 2022
The study of wave-structure interactions involving nonlinear forces would often make use of the popular hybrid frequency–time domain method. In the hybrid method, the frequency-domain analysis could firstly provide the reliable and accurate dynamic ...
Wanan Sheng   +6 more
doaj   +1 more source

Comparison of PSD Analysis Methods in Frequency Domain Fatigue Analysis [PDF]

open access: yes한국정밀공학회지, 2019
If fatigue failure occurs during aircraft operation, it can cause catastrophic injuries. So, it is necessary to study fatigue failure at the design stage. Frequency domain fatigue analysis is used to predict fatigue failure.
Joon Jang   +4 more
doaj   +1 more source

FLAME ANALYSIS BY SELECTED METHODS IN THE FREQUENCY DOMAIN

open access: yesInformatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, 2022
Diagnostics of pulverized coal combustion can be carried out in the field of process monitoring and analysis of measurement data. The information about changes in the flame is presented in the form of time series, which can be analyzed in the time and ...
Żaklin Grądz   +2 more
doaj   +1 more source

SURVEY OF GEAR FAULT DIAGNOSIS USING VARIOUS STATISTICAL SIGNALS PARAMETERS [PDF]

open access: yesJournal of the Egyptian Society of Tribology, 2022
Gears are critical components of industrial equipment, where gear failure results machinery failure and that consider as a significant reduction in productivity. It is always critical to keep track of the machine's health in time.
D. Y. Samuel, A. Nabhan, M. O. Mousa
doaj   +1 more source

Continuous Time Frequency Domain Analysis of Ф-OTDR Nonstationary Signals

open access: yesJournal of Harbin University of Science and Technology, 2021
Most of the natural vibration signals are stationary and modulated by the interference light signal of the distributed optical fiber vibration sensing system.
XU Tao, LI Li
doaj   +1 more source

Frequency Domain Analysis of Tractor Tyre Enveloping Properties

open access: yesInternational Journal of Engineering and Management Sciences, 2019
Main source of vibration excitation for off-road vehicles are ground profile undulations. Most unprepared terrains are characterized by wavelength of unevenness that is of the order of magnitude of the contact length between tire and ground, so that ...
Boris Stojic
doaj   +1 more source

Random Fatigue Analysis of Drill-Strings in Frequency Domain

open access: yesMATEC Web of Conferences, 2017
Predicting fatigue damage induced by vibrations is of benefit to oil and gas industry. In this paper a spectral method is developed to estimate the damage of vibration, including both deterministic and random vibration, on the fatigue life of ...
Zheng JiaHao, Yang Jianming, Yang Ping
doaj   +1 more source

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