Academic literature on the topic 'Vertical and Statistically Analysing'

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Journal articles on the topic "Vertical and Statistically Analysing"

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Karis, Tomas, Mats Berg, and Sebastian Stichel. "Analysing the correlation between vehicle responses and track irregularities using dynamic simulations and measurements." Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 234, no. 2 (2019): 170–82. http://dx.doi.org/10.1177/0954409719840450.

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Track irregularities play a key role in vehicle response, but it is not uncommon to find irregularities with similar statistical characteristics giving very different vehicle behaviour. It is therefore important to find a consistent way of describing track irregularities, which better matches the vehicle behaviour to facilitate an efficient track maintenance and vehicle acceptance testing. Various proposals have been made to resolve this issue, although with limited success. In the present paper, a methodology to break down the track–vehicle interaction into steps, by analysing the irregularit
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Guerrini, A., G. Romano, C. Leardini, and M. Martini. "Measuring the efficiency of wastewater services through Data Envelopment Analysis." Water Science and Technology 71, no. 12 (2015): 1845–51. http://dx.doi.org/10.2166/wst.2015.169.

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Efficient water management is a priority in the European Union, since the operational efficiency of many water utilities is very low compared to best practice. Several countries are restructuring the water industry to save costs. Larger-scale operations and vertical integration are promoted to achieve scale and scope economies; however, the literature is not unanimous that such economies exist. There is also little evidence of the effect of customer density on costs. This article offers some insights into this matter, analysing the Danish water industry by a two-stage Data Envelopment Analysis
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Alcalde, Juan, Clare E. Bond, Gareth Johnson, et al. "Fault interpretation in seismic reflection data: an experiment analysing the impact of conceptual model anchoring and vertical exaggeration." Solid Earth 10, no. 5 (2019): 1651–62. http://dx.doi.org/10.5194/se-10-1651-2019.

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Abstract. The use of conceptual models is essential in the interpretation of reflection seismic data. It allows interpreters to make geological sense of seismic data, which carries inherent uncertainty. However, conceptual models can create powerful anchors that prevent interpreters from reassessing and adapting their interpretations as part of the interpretation process, which can subsequently lead to flawed or erroneous outcomes. It is therefore critical to understand how conceptual models are generated and applied to reduce unwanted effects in interpretation results. Here we have tested how
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4

Al-Dajani, Mahmoud, Anas O. Abouonq, Turki A. Almohammadi, Mohammed K. Alruwaili, Rayan O. Alswilem, and Ibrahim A. Alzoubi. "A Cohort Study of the Patterns of Third Molar Impaction in Panoramic Radiographs in Saudi Population." Open Dentistry Journal 11, no. 1 (2017): 648–60. http://dx.doi.org/10.2174/1874210601711010648.

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Objectives: To evaluate the epidemiological patterns of third molar impaction in a cohort of patients living in the north of Saudi Arabia. Materials and Methods: A retrospective cohort study comprised of analysing 2550 Orthopantomograms (OPGs) belonging to patients who attended Aljouf University College of Dentistry between September 2013 and December 2015. OPGs were examined to determine the frequency of third molar impaction, their levels of eruption and angulations. Mixed effects logistic regression analysis was performed to calculate adjusted odds ratios. Data were weighted by age and sex
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Braesicke, P., C. Brühl, M. Dameris, et al. "A model intercomparison analysing the link between ozone and geopotential height anomalies in January." Atmospheric Chemistry and Physics Discussions 7, no. 6 (2007): 15409–51. http://dx.doi.org/10.5194/acpd-7-15409-2007.

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Abstract. A statistical framework to evaluate the performance of chemistry-climate models with respect to the interaction between meteorology and ozone during northern hemisphere mid-winter, in particularly January, is used. Different statistical diagnostics from four chemistry-climate models (E39C, ME4C, UMUCAM, ULAQ) are compared with the ERA-40 re-analysis. First, we analyse vertical coherence in geopotential height anomalies as described by linear correlations between two different pressure levels (30 and 200 hPa) of the atmosphere. In addition, linear correlations between (partial) column
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Bian, Longlong, Jianwei Chen, Mukesh Soni, Jyoti Bhola, Harish Kumar, and Malik Jawarneh. "Research on computer 3D image encryption processing based on the nonlinear algorithm." Nonlinear Engineering 11, no. 1 (2022): 664–71. http://dx.doi.org/10.1515/nleng-2022-0232.

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Abstract This article uses the nonlinear digital chaos theory algorithm to generate the corresponding encryption system initial parameters, by analysing the correlation degree of image elements from the angles of horizontal, vertical, and diagonal direction, in order to study computer three-dimensional (3D) image encryption processing. The correlation degree of the cypher text obtained by the nonlinear algorithm is weak in the image's adjacent pixels, and the adjacent pixels are not related at all, horizontal angle: 0.915989, vertical angle: 0.968184, diagonal angle: 0.913533. The nonlinear al
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Stefanović, Natalija, Ivana Ćirić, Snežana Pavlović, et al. "Evaluation of Some Anatomical and Anthropometric Characteristics of the Chest Based on the Analysis of Digital Images of the Anterior Aspect of Trunk in Top Athletes." Acta Facultatis Medicae Naissensis 29, no. 1 (2012): 43–51. http://dx.doi.org/10.2478/v10283-012-0007-5.

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Evaluation of Some Anatomical and Anthropometric Characteristics of the Chest Based on the Analysis of Digital Images of the Anterior Aspect of Trunk in Top Athletes The aim of this research was to assess the size and shape of the chest in students and top athletes. The research involved 23 first-year students of the Faculty of Sport and Physical Education, and 23 top athletes of the Athletic Federation of Serbia. The digital images of the frontal trunk aspect were made and further analyzed in ImageJ program. The vertical and horizontal distances and as well as the angles were determined: the
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Braesicke, P., C. Brühl, M. Dameris, et al. "A model intercomparison analysing the link between column ozone and geopotential height anomalies in January." Atmospheric Chemistry and Physics 8, no. 9 (2008): 2519–35. http://dx.doi.org/10.5194/acp-8-2519-2008.

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Abstract. A statistical framework to evaluate the performance of chemistry-climate models with respect to the interaction between meteorology and column ozone during northern hemisphere mid-winter, in particularly January, is used. Different statistical diagnostics from four chemistry-climate models (E39C, ME4C, UMUCAM, ULAQ) are compared with the ERA-40 re-analysis. First, we analyse vertical coherence in geopotential height anomalies as described by linear correlations between two different pressure levels (30 and 200 hPa) of the atmosphere. In addition, linear correlations between column oz
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9

Dižo, J., M. Blatnický, O. Kravchenko, V. Mamrai, D. Barta, and P. Gasper. "Simulation of a vehicle movement on a roadway with stochastic irregularities prescribed by the power spectral density." IOP Conference Series: Materials Science and Engineering 1199, no. 1 (2021): 012070. http://dx.doi.org/10.1088/1757-899x/1199/1/012070.

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Abstract A vehicle represents a mechanical system, which consists of bodies interconnected by joints, force elements, constraints and other coupling elements. When a vehicle moves on a roadway, it is excited due to roadway surface irregularities. It results to vibration of the vehicle mainly in the vertical direction. These vertical movements are known as a vertical dynamics of vehicles. The level of vibrations characterized by their frequency and amplitudes considerably effects two main phenomena, i.e. driving safety and ride comfort for passengers. Therefore, it is necessary to investigate a
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Bi, H., W. Zheng, Q. Lei, and J. Zeng. "RECONSTRUCTION OF THE SLIP DISTRIBUTION ALONG THE WEST HELANSHAN FAULT, NORTHERN CHINA BASED ON HIGH-RESOLUTION TOPOGRAPHY." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLIII-B2-2020 (August 12, 2020): 1025–31. http://dx.doi.org/10.5194/isprs-archives-xliii-b2-2020-1025-2020.

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Abstract. The increasing wealthy of high-resolution topography allows for remotely measuring and analysing offset features and their associated surface slip distributions at a very high resolution and along a significant length of a fault, hence providing important insights into many aspects of the fault behaviour. The West Helanshan Fault is a Holocene active fault located at the junction of the Tibetan Plateau, Alashan, and Ordos blocks. Despite its special tectonic location, it has rarely been studied before. In this study, a 2-m-resolution DEM of the West Helanshan Fault was built from the
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