Готові списки джерел за темами / Unstable time series

Зміст

  1. Статті в журналах
  2. Дисертації
  3. Книги
  4. Частини книг
  5. Тези доповідей конференцій
  6. Звіти організацій

Добірка наукової літератури з теми "Unstable time series"

Автор: Grafiati
Опубліковано: 28 травня 2022
Оновлено: 31 липня 2025

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Статті в журналах з теми "Unstable time series"

1

Grillenzoni, Carlo. "Forecasting unstable and nonstationary time series." International Journal of Forecasting 14, no. 4 (1998): 469–82. http://dx.doi.org/10.1016/s0169-2070(98)00039-9.

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2

Neamah, Kawther Abood. "Mathematical Model for Handling Unstable Time Series by Using a Linear Approximation Technique." Webology 19, no. 1 (2022): 2835–52. http://dx.doi.org/10.14704/web/v19i1/web19189.

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Time series are typically built on basic assumptions that include stationarity, linearity and normality. The three characteristics are crucial for estimating and building time series models. Studies on time series include these assumptions. To deal with unstable time series that are based on its basis, mathematical models that are suitable for such series are adopted in this study. A nonlinear self-regression model, called the rational model, is proposed. This model is a fraction in which the numerator is the complete sine function and the denominator is an exponential self-regression model. T
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3

Carroll, T. L. "Approximating chaotic time series through unstable periodic orbits." Physical Review E 59, no. 2 (1999): 1615–21. http://dx.doi.org/10.1103/physreve.59.1615.

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4

Dhamala, Mukeshwar, Ying-Cheng Lai, and Eric J. Kostelich. "Detecting unstable periodic orbits from transient chaotic time series." Physical Review E 61, no. 6 (2000): 6485–89. http://dx.doi.org/10.1103/physreve.61.6485.

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5

So, Paul, Edward Ott, Tim Sauer, Bruce J. Gluckman, Celso Grebogi, and Steven J. Schiff. "Extracting unstable periodic orbits from chaotic time series data." Physical Review E 55, no. 5 (1997): 5398–417. http://dx.doi.org/10.1103/physreve.55.5398.

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6

Zoldi, Scott M. "Unstable Periodic Orbit Analysis of Histograms of Chaotic Time Series." Physical Review Letters 81, no. 16 (1998): 3375–78. http://dx.doi.org/10.1103/physrevlett.81.3375.

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7

Chan, Ngai Hang, and Wei Wei Liu. "Residual empirical processes for nearly unstable long-memory time series." Journal of the Korean Statistical Society 39, no. 3 (2010): 337–45. http://dx.doi.org/10.1016/j.jkss.2010.03.001.

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8

Chan, Ngai Hang. "Asymptotic inference for unstable auto- regressive time series with drifts." Journal of Statistical Planning and Inference 23, no. 3 (1989): 301–12. http://dx.doi.org/10.1016/0378-3758(89)90074-8.

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9

Zhuravka, Fedir, Hanna Filatova, Petr Šuleř, and Tomasz Wołowiec. "State debt assessment and forecasting: time series analysis." Investment Management and Financial Innovations 18, no. 1 (2021): 65–75. http://dx.doi.org/10.21511/imfi.18(1).2021.06.

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One of the pressing problems in the modern development of the world financial system is an excessive increase in state debt, which has many negative consequences for the financial system of any country. At the same time, special attention should be paid to developing an effective state debt management system based on its forecast values. The paper is aimed at determining the level of persistence and forecasting future values of state debt in the short term using time series analysis, i.e., an ARIMA model. The study covers the time series of Ukraine’s state debt data for the period from Decembe
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10

Kaplan, D. T. "Time Series and the Dynamics of Demand Pacing." Methods of Information in Medicine 39, no. 02 (2000): 114–17. http://dx.doi.org/10.1055/s-0038-1634284.

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Abstract:Motivated by a common practice in cardiology, we analyze the dynamics of a demand paced system where one seeks to create a stable periodic response. By using techniques originally developed for controlling chaotic systems, one can enhance the information contained in time series regarding hidden, unstable periodic orbits. This makes it possible, for example, to track drifts in a system‘s dynamics.
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Більше джерел

Дисертації з теми "Unstable time series"

1

Sohrabi, Maryam. "On Robust Asymptotic Theory of Unstable AR(p) Processes with Infinite Variance." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/34280.

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Анотація:
In this thesis, we explore some asymptotic results in heavy-tailed theory. There are many empirical and compelling evidence in statistics that require modeling with heavy tailed observations. This thesis is divided into three parts. First, we consider a robust estimation of the mean vector for a sequence of independent and identically distributed observations in the domain of attraction of a stable law with possibly different indices of stability between 1 and 2. The suggested estimator is asymptotically normal with unknown parameters. We apply an asymptotically valid bootstrap to const
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2

Маринич, Тетяна Олександрівна, Татьяна Александровна Маринич, Tetiana Oleksandrivna Marynych, Наталія Григорівна Хоменко, Наталия Григорьевна Хоменко та Nataliia Hryhorivna Khomenko. "Моделювання і прогнозування нестійких часових рядів". Thesis, Сумський державний університет, 2017. http://essuir.sumdu.edu.ua/handle/123456789/65382.

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Досліджено оптимальні статистичні інструменти і підходи для моделювання і прогнозування часових рядів, що характеризуються невеликою вибіркою даних із численними відхиленнями. Емпіричне оцінювання реалізовано в програмному середовищі R на підставі щомісячних даних реального ефективного обмінного курсу [1].
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3

Guo, Yuming. "Estimating the effects of ambient temperature on mortality : methodological challenges and proposed solutions." Thesis, Queensland University of Technology, 2012. https://eprints.qut.edu.au/59970/1/Yuming_Guo_Thesis.pdf.

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Анотація:
The health impacts of exposure to ambient temperature have been drawing increasing attention from the environmental health research community, government, society, industries, and the public. Case-crossover and time series models are most commonly used to examine the effects of ambient temperature on mortality. However, some key methodological issues remain to be addressed. For example, few studies have used spatiotemporal models to assess the effects of spatial temperatures on mortality. Few studies have used a case-crossover design to examine the delayed (distributed lag) and non-linear rela
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4

"Residual empirical processes for nearly unstable long-memory time series." Thesis, 2009. http://library.cuhk.edu.hk/record=b6074985.

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Анотація:
The first part of this thesis considers the residual empirical process of a nearly unstable long-memory time series. Chan and Ling [8] showed that the usual limit distribution of the Kolmogorov-Smirnov test statistics does not hold when the characteristic polynomial of the unstable autoregressive model has a unit root. A key question of interest is what happens when this model has a near unit root, that is, when it is nearly non-stationary. In this thesis, it is established that the statistics proposed by Chan and Ling can be extended. The limit distribution is expressed as a functional of an
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Книги з теми "Unstable time series"

1

Huffaker, Ray, Marco Bittelli, and Rodolfo Rosa. Why Study Nonlinear Time Series Analysis? Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198782933.003.0001.

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Nonlinear Time Series Analysis (NLTS) provides a mathematically rigorous collection of techniques designed to reconstruct real-world system dynamics from time series data on a single variable or multiple causally-related variables. NLTS facilitates scientific inquiry that emphasizes strong supportive evidence, well-conducted and thorough inquiry, and realism. Data provide an essential evidentiary portal to a reality to which we have only limited access. Random-appearing data do not prove that underlying dynamic process are subject to exogenous inherently-random forces. The possibility exists t
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2

Brooker, Will. Never-Ending Watchmen. Bloomsbury Publishing Plc, 2023. http://dx.doi.org/10.5040/9781350198777.

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Анотація:
What began with Alan Moore and Dave Gibbons’ landmark graphic novel, Watchmen (1987) is no longer a single story, but rather a cross-platform, multi-media franchise, including a role-playing game and video game, a motion comic, a Zack Snyder movie, and a series of comic book prequels and sequels, as well as a prestige HBO TV series. Will Brooker explores the way that Watchmen expanded over time from the mid-1980s to the present day, drawing on theories of adaptation, intertextuality and deconstruction to argue that each addition subtly changes our understanding of the original. Does it matter
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3

Wijdicks, Eelco F. M. The Practice of Emergency and Critical Care Neurology. 3rd ed. Oxford University Press, 2025. https://doi.org/10.1093/med/9780197544976.001.0001.

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Анотація:
Abstract This single authored textbook serves as a comprehensive guide to manage all aspects of critically ill neurologic patients. The book is richly illustrated and with a succinct text closely edited for relevance. It accurately describes the immediacy and rapid-fire decisions that comprise the work life and environment of the neurointensivist. The Practice of Emergency and Critical Care Neurology follows patients from the very moment they enter the emergency department—where the neurologist makes on-the-spot decisions—to their admission to the neurologic intensive care unit—where mostly sp
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4

Evans, Charlotte, Anne Creaton, Marcus Kennedy, and Terry Martin, eds. Cardiac. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780198722168.003.0009.

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Анотація:
Retrieval of patients with cardiac emergencies makes up a large chunk of the workload of most retrieval services. Cases range from the routine to the most challenging unstable patients with complex physiology and high-level support requirements. The transfer of patients for time-critical interventions mean that the adrenaline levels of the retrieval clinician may approach those of the patient. Included are clinical and logistical considerations for patients with acute coronary syndromes, pulmonary oedema, cardiogenic shock, arrhythmias, and those requiring pacing. Aortic dissection and pulmona
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5

Baobaid, Mohammed, Lynda Ashbourne, Abdallah Badahdah, and Abir Al Jamal. Home / Publications / Pre and Post Migration Stressors and Marital Relations among Arab Refugee Families in Canada Pre and Post Migration Stressors and Marital Relations among Arab Refugee Families in Canada. 2nd ed. Hamad Bin Khalifa University Press, 2019. http://dx.doi.org/10.5339/difi_9789927137983.

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The study is funded by Doha International Family Institute (DIFI), a member of Qatar Foundation, and is a collaboration between the Muslim Resource Centre for Social Support and Integration of London, Ontario; University of Guelph, Ontario; and University of Calgary, Alberta, all located in Canada; and the Doha International Family Institute, Qatar. The study received research ethics approval from the University of Guelph and the University of Calgary. This study aims to assess the impact of pre- and post-migration on marital relationships and family dynamics for Arab refugee families resettle
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Частини книг з теми "Unstable time series"

1

Cai, Tao, Kai Wang, Min Yang, et al. "Optimization Method for Unstable Water Injection Parameters Considering Time-Varying Physical Properties." In Springer Series in Geomechanics and Geoengineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-0264-0_162.

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2

Drepper, F. "Unstable Determinism in the Information Production Profile of an Epidemiological Time Series." In Ecodynamics. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73953-8_28.

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3

Zhou, Yusheng, and Zaihua Wang. "State-Dependent Switching Law for Stabilization to a Switched Time-Delay System with Two Unstable Subsystems." In NODYCON Conference Proceedings Series. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-81162-4_77.

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4

Nijs, Julie, and Freek Van de Velde. "Chapter 8. Resemanticising ‘free’ variation." In Studies in Language Companion Series. John Benjamins Publishing Company, 2023. http://dx.doi.org/10.1075/slcs.234.08nij.

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Whether or not languages display ‘free’ variation is a moot point. In this article, we look at a near-synonymous pair in syntax, namely, V1 vs syndetic conditionals in Dutch, and argue that due to diachronic developments, Dutch has been in a situation for quite some time in which these two variants coexist. Despite this coexistence, a state in which they alternate freely is unstable: syntactic/semantic investigation shows that V1 is retreating into a specialised niche of tentativeness and counterfactuality, though the development has not advanced as far as in English, where a similar developme
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5

Paegelow, Martin, Jean-François Mas, Marta Gallardo, María Teresa Camacho Olmedo, and David García-Álvarez. "Pontius Jr. Methods Based on a Cross-Tabulation Matrix to Validate Land Use Cover Maps." In Land Use Cover Datasets and Validation Tools. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90998-7_9.

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Анотація:
AbstractSeveral validation techniques based on the cross-tabulation matrix can be applied to validate Land Use Cover (LUC) maps. The exercises in this chapter focus, in particular, on the cross-tabulation techniques proposed by Robert Gilmore Pontius Jr., who has developed many indices and techniques in this field. Given his major contribution to this family of validation techniques, we have associated his name here with cross-tabulation techniques without this in any way implying that his scientific activity is limited to this field. The null model (Sect. 1) is especially useful for validatin
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6

Poggi, Francesco, Roberto Montalti, Emanuele Intrieri, Alessandro Ferretti, Filippo Catani, and Federico Raspini. "Spatial and Temporal Characterization of Landslide Deformation Pattern with Sentinel-1." In Progress in Landslide Research and Technology, Volume 2 Issue 1, 2023. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-39012-8_15.

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AbstractThe results of multi-interferometric processing applied to radar images acquired by the European Space Agency (ESA) Sentinel-1 constellation, obtained in the framework of the IPL (International Programme on Landslides) project n.221, are presented in this manuscript. The target area is the Hunza-Nagar River valley, a remote area in northern Pakistan. The Humarri slide, a massive landslide located along the left side of the valley, is the most active phenomenon in the area, and poses a very high risk to the Humarri village built in the lowest part of the landslide, and a threat of dammi
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7

Sprott, Julien Clinton. "Bifurcations." In Chaos and Time-Series Analysis. Oxford University PressOxford, 2003. http://dx.doi.org/10.1093/oso/9780198508397.003.0007.

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Abstract A bifurcation is a qualitative change in the dynamical behavior of a system or the topological structure of its phase portrait as one or more parameters pass through a critical value. Any point in parameter space where the dynamical system is structurally unstable is a bifurcation point, and the set of all such points is a bifurcation set. This set may contain infinitely many points but usually has zero measure.
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8

Sprott, Julien Clinton. "Hamiltonian chaos." In Chaos and Time-Series Analysis. Oxford University PressOxford, 2003. http://dx.doi.org/10.1093/oso/9780198508397.003.0008.

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Abstract Most previous examples have been dissipative systems in which friction or some equivalent process causes a set of initial conditions within the basin of attraction to collapse onto an attractor. When the dissipation is small, the time required for this to happen is long, and it is natural to ask what happens when the dissipation goes to zero. Mathematically, such a situation is nongeneric, and the equations describing it are structurally unstable, but there are many physical situations in which it is nonetheless a reasonable approximation.
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9

Chettiar, Teri. "Inherently Unstable." In The Intimate State. Oxford University Press, 2023. http://dx.doi.org/10.1093/oso/9780190931209.003.0007.

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Abstract Chapter 6 investigates another set of activist campaigns prioritizing access to intimate relationships, but this time directed at the freedoms of young people: the sexual expression of teenagers and queer men under the age of twenty-one. It examines how the longstanding psychiatric pathologization of adolescence as a period of emotional instability became the basis for closing down a series of explosive controversies surrounding teenage sexuality in the 1970s. By the end of the decade, the democratic and emotionally enlightened “good society” had come to be equated with the guarantees
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10

Schulzinger, Robert D. "Days of Reckoning: August 1964-July 1965." In A Time for War. Oxford University PressNew York, NY, 1997. http://dx.doi.org/10.1093/oso/9780195071894.003.0007.

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Abstract Between late 1964 and the middle of 1965 the U.S. passed the point of no return in Vietnam. The number of U.S. troops in Vietnam rose from fifty thousand to ninety thousand with a promise of another hundred thousand by the end of 1965. Their role changed from advisers to combatants. In the fall of 1964 President Johnson and his principal advisers on Vietnam policy watched in horror as a succession of unstable governments in Saigon failed to develop popular support and wage the war effectively. The United States took a series of steps designed to bolster the flagging morale of the Sout
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Тези доповідей конференцій з теми "Unstable time series"

1

Coleman, David, and Moble Benedict. "System Identification of a Hover-Capable Robotic Hummingbird." In Vertical Flight Society 72nd Annual Forum & Technology Display. The Vertical Flight Society, 2016. http://dx.doi.org/10.4050/f-0072-2016-11359.

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This paper presents the first ever linear system identification of the flight dynamics of a hover-capable robotic hummingbird which utilizes only two wings for flying as well as for all its control and stabilization. The vehicle was developed in-house, using state-of-the-art materials, electronics, and innovative design/fabrication techniques, and a description of its development is provided. Systematic experimental studies were conducted to develop flexible, aeroelastically tailored wings, along with novel wing kinematic modulation mechanisms for controlling roll, pitch and yaw. Additionally,
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2

Setu, Sagar, Abhishek Abhishek, and C. Venkatesan. "Framework for Attitude Controller Development Using Physics Based Flight Dynamics and Hardware-in-the-loop Simulation for Rotary Wing UAVs." In Vertical Flight Society 73rd Annual Forum & Technology Display. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-12195.

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This paper presents the development of a framework for establishment of virtual environment for testing and tuning of attitude controller for rotary wing Unmanned Aerial Vehicles (UAVs). A flybarless mini-helicopter UAV is used as the platform for exposition of the proposed framework. A hardware-in-the-loop simulation (HILS) framework is established using a physics based flight dynamics simulation to enable controller design for rotary wing UAVs. The HILS setup includes the flight dynamics model, physical servo actuators and actual UAV autopilot. A computationally light real-time flight dynami
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3

Glover, Emily, Anthony Gong, Sung Cho, Mark J., and Tom Berger. "Flight Testing and Analysis for a Family of Group 2 and 3 Multicopter UAS." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0080-2024-1069.

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Multirotor UAS spanning Groups 3 and 4 have received increased attention as candidates for tactical resupply missions due to their VTOL capability and payload capacity. The objective of this work is to better understand how the parameters of multicopter UAS flight dynamics models scale with size in support of expanding the Army's unmanned aerial reconnaissance capability. A family of coaxial multirotor UAS spanning Groups 2 and 3 have been flight tested to gather data for flight dynamics modeling and validation. These UAS consist of the TRV-80, TRV-150, and the subscale Eagle platform. A serie
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4

Maehara, Takaaki, and Mikio Nakai. "Finding Unstable Fixed Points From Time Series Data." In ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/detc2003/vib-48617.

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This study employs topological methods to extract unstable fixed points in phase space from both numerical and experimental time series data. Conley index of an isolated invariant subset and the R-B method can determine unstable fixed points contained in strange attractor from numerical time series data. For experimental time series data, the theorem for the relationship between index pairs and Conley index enables one to predict them with acceptable accuracy. As a corollary, some results for Duffing oscillator and piecewise linear system are shown.
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5

CARROLL, T. L. "Using Unstable Periodic Orbits to Approximate Noisy Chaotic Time Series." In 5th Experimental Chaos Conference. WORLD SCIENTIFIC, 2001. http://dx.doi.org/10.1142/9789812811516_0042.

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6

Ivan, Cosmin, and Alexandru Serbanescu. "Applications of nonlinear time-series analysis in unstable periodic orbits identification." In 2009 International Siberian Conference on Control and Communications (SIBCON 2009). IEEE, 2009. http://dx.doi.org/10.1109/sibcon.2009.5044835.

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7

Gaev, Andrey, and Anna Lantsberg. "A Method to Handle Unstable Time Series in Anomaly Detection Problem." In 2021 3rd International Conference on Control Systems, Mathematical Modeling, Automation and Energy Efficiency (SUMMA). IEEE, 2021. http://dx.doi.org/10.1109/summa53307.2021.9632243.

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8

Ivan, Cosmin, and Mihai Catalin Arva. "Nonlinear Time Series Analysis in Unstable Periodic Orbits Identification Control Methods of Nonlinear Systems." In 2021 13th International Conference on Electronics, Computers and Artificial Intelligence (ECAI). IEEE, 2021. http://dx.doi.org/10.1109/ecai52376.2021.9515073.

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9

Ivan, Cosmin, and Alexandru Serbanescu. "Applications of nonlinear time-series analysis in unstable periodic orbits identification - Chaos control in buck converter." In 2009 International Symposium on Signals, Circuits and Systems - ISSCS 2009. IEEE, 2009. http://dx.doi.org/10.1109/isscs.2009.5206146.

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10

Zhang, Shunyang, Senzhang Wang, Xianzhen Tan, et al. "SaSDim:Self-Adaptive Noise Scaling Diffusion Model for Spatial Time Series Imputation." In Thirty-Third International Joint Conference on Artificial Intelligence {IJCAI-24}. International Joint Conferences on Artificial Intelligence Organization, 2024. http://dx.doi.org/10.24963/ijcai.2024/283.

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Анотація:
Spatial time series imputation is of great importance to various real-world applications. As the state-of-the-art generative models, diffusion models (e.g. CSDI) have outperformed statistical and autoregressive based models in time series imputation. However, diffusion models may introduce unstable noise owing to the inherent uncertainty in sampling, leading to the generated noise deviating from the intended Gaussian distribution. Consequently, the imputed data may deviate from the real data. To this end, we propose a Self-adaptive noise Scaling Diffusion Model named SaSDim for spatial time se
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Звіти організацій з теми "Unstable time series"

1

Bielinskyi, A., S. Semerikov, V. Solovieva, and V. Soloviev. Levy distribution parameters as precursors of crisis phenomena. Видавничий будинок Мелітопольської міської друкарні, 2019. http://dx.doi.org/10.31812/123456789/3597.

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Анотація:
In spite of popularity of the Gaussian distribution in financial modeling, we demonstrated that Levy’s stable distribution is more suitable due to its theoretical reasons and analysis results. We study the possibility of construction indicators- precursors relying on one of the most power-law tailed distributions - Levy’s stable distribution. Here, we apply moving window based procedure for calculation of Levy’s parameters - a - stability and /?- skewness for daily values of Dow Jones Industrial Average (from 1 March 2000 to 28 March 2019), the gold price (from 1 April 1968 to 8 May 2019) and
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2

Nechaev, V., Володимир Миколайович Соловйов, and A. Nagibas. Complex economic systems structural organization modelling. Politecnico di Torino, 2006. http://dx.doi.org/10.31812/0564/1118.

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One of the well-known results of the theory of management is the fact, that multi-stage hierarchical organization of management is unstable. Hence, the ideas expressed in a number of works by Don Tapscott on advantages of network organization of businesses over vertically integrated ones is clear. While studying the basic tendencies of business organization in the conditions of globalization, computerization and internetization of the society and the results of the financial activities of the well-known companies, the authors arrive at the conclusion, that such companies, as IBM, Boeing, Merced
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3

Tcha, MoonJoong. From Potato Chips to Computer Chips: Features of Korea's Economic Development: Knowledge Sharing Forum on Development Experiences: Comparative Experiences of Korea and Latin America and the Caribbean. Inter-American Development Bank, 2015. http://dx.doi.org/10.18235/0007002.

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Анотація:
When considering countries of phenomenal economic development and growth, Korea is among the top tiers. While there are other economies with similar economic growth, including those of Singapore, Hong Kong, and Taiwan, the economic growth of Korea is exceptional considering that the country lacked basic economic foundation in the past. R. Lucas Jr. (1993), a Nobel Laureate in economics and also a renowned scholar of the respective field, praised the country's economic success, by stating that "I do not think it is in any way an exaggeration to refer to this continuing transformation of Korean
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4

Lazonick, William. Investing in Innovation: A Policy Framework for Attaining Sustainable Prosperity in the United States. Institute for New Economic Thinking Working Paper Series, 2022. http://dx.doi.org/10.36687/inetwp182.

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Анотація:
“Sustainable prosperity” denotes an economy that generates stable and equitable growth for a large and growing middle class. From the 1940s into the 1970s, the United States appeared to be on a trajectory of sustainable prosperity, especially for white-male members of the U.S. labor force. Since the 1980s, however, an increasing proportion of the U.S labor force has experienced unstable employment and inequitable income, while growing numbers of the business firms upon which they rely for employment have generated anemic productivity growth. Stable and equitable growth requires innovative ente
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