Results 1 to 10 of about 427,721 (311)

Polynomial fitting based on least squares approximates for first-order Tracy-Widom distribution [PDF]

open access: diamondITM Web of Conferences, 2022
Tracy-Widom distribution can primely describe the limit distribution of the largest eigenvalue of noise matrix, so it is widely used in the field of signal processing and wireless communication.
Tian Chong   +4 more
doaj   +2 more sources

Fuzzy Performance between Surface Fitting and Energy Distribution in Turbulence Runner [PDF]

open access: goldThe Scientific World Journal, 2012
Because the application of surface fitting algorithms exerts a considerable fuzzy influence on the mathematical features of kinetic energy distribution, their relation mechanism in different external conditional parameters must be quantitatively analyzed.
Zhongwei Liang   +3 more
doaj   +2 more sources

Fitting Performance of Different Models on Loess Particle Size Distribution Curves [PDF]

open access: goldAdvances in Materials Science and Engineering, 2017
The soil water characteristic curve (SWCC) describes the relationship between matric suction and moisture of soil, the testing process of which is time-consuming. The test time of particle size distribution (PSD), in contrast, is relatively short.
Wei Liu   +5 more
doaj   +2 more sources

Evaluation Index Construction and Hazard Risk Assessment on Apple Drought in Northern China

open access: yes应用气象学报, 2021
It is of great merit to construct apple drought index and analyze its hazard risk so as to support apple drought monitoring, prevention and mitigation, as well as agricultural disaster insurance management.
Yang Jianying   +5 more
doaj   +1 more source

Statistical Approach to the Analysis of the Corrosive Behaviour of NiTi Alloys under the Influence of Different Seawater Environments

open access: yesApplied Sciences, 2021
Probabilistic models of corrosion rate estimation in the case of two NiTi alloys obtained by different technological processes are analysed in this paper.
Nataša Kovač   +4 more
doaj   +1 more source

Modeling the Distribution of Human Mobility Metrics with Online Car-Hailing Data—An Empirical Study in Xi’an, China

open access: yesISPRS International Journal of Geo-Information, 2021
Modeling the distribution of daily and hourly human mobility metrics is beneficial for studying underlying human travel patterns. In previous studies, some probability distribution functions were employed in order to establish a base for human mobility ...
Chaoyang Shi   +3 more
doaj   +1 more source

Statistical analysis of pyramid horn antenna response to high-altitude electromagnetic pulse

open access: yesZhongguo Jianchuan Yanjiu, 2023
ObjectiveThis paper aims to study the coupling response law of an electromagnetic pulse acting on a pyramid horn antenna under the condition of the random distribution of incident parameters.
Dewei XIA   +6 more
doaj   +1 more source

Frequency Distribution Fitting for Electronic Documents

open access: yesInternational Journal of Applied Sciences and Smart Technologies, 2021
Studies of frequency distributions of natural language elements have identified some distributions that offer a good fit. Using electronic documents, we show that some of these distributions cannot be used to model the frequency of bytes in electronic ...
Arockia David Roy Kulandai
doaj   +1 more source

First Quarter Chronicle of COVID-19: An Attempt to Measure Governments’ Responses

open access: yesRisks, 2020
The crisis caused by the outbreak of COVID-19 revealed the global unpreparedness for handling the impact of a pandemic. In this paper, we present a first quarter chronicle of COVID-19 in Hubei China, Italy and Spain, particularly focusing on infection ...
Şule Şahin   +7 more
doaj   +1 more source

The Truncated Lomax-exponential distribution and its fitting to financial data [PDF]

open access: yesJournal of Mahani Mathematical Research, 2023
Nowadays, analyzing the losses data of the insurance and asset portfolios has special importance in risk analysis and economic problems. Therefore, having suitable distributions that are able to fit such data, is important.
Shohreh Enamiaraghi
doaj   +1 more source

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