(of a random process in probability theory) of which the probability distribution alters with alterations in time or space
Examples of 'nonstationary' in a sentence
nonstationary
The vibration signals are generally nonlinear and nonstationary while operating.
Liu Yongbao, Wang Qiang, Liu Shuyong, He Xing 2014, 'Research on fault law of rolling bearing under different fault levels and loads withHHT method', Journal of Measurements in Engineeringhttps://www.jvejournals.com/article/15029. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Finally, the numerical comparisons of several self-adaptive nonstationary parallel multisplitting two-stage iterative methods are shown.
GuoYan Meng, Chuan Long Wang, Xi Hong Yan, Qing Shan Zhao 2014, 'Non-stationary Parallel Multisplitting Two-Stage Iterative Methods with Self-AdaptiveWeightingSchemes', EAI Endorsed Transactions on Scalable Information Systemshttp://eudl.eu/doi/10.4108/sis.1.2.e5. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Although precipitation was associated with dengue incidence, the association was nonstationary and likely spurious.
Michael A Johansson, Derek A T Cummings, Gregory E Glass 2009, 'Multiyear climate variability and dengue--El Niño southern oscillation, weather, anddengue incidence in Puerto Rico, Mexico, and Thailand: a longitudinal data analysis.',PLoS Medicinehttp://europepmc.org/articles/PMC2771282?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The complex interface interaction with mobile lubricant makes the slider response be nonstationary.
Gang Sheng 2011, 'Sensing and Identification of Nonlinear Dynamics of Slider with Clearance in Sub-5Nanometer Regime', Advances in Tribologyhttp://dx.doi.org/10.1155/2011/282839. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
This study, therefore, aims to introduce the dual adjustment approach for the nonstationary macroeconomic variables.
Mustafa İsmihan 2019, 'The dual adjustment approach with an application to the consumption function', Central Bank Reviewhttp://www.sciencedirect.com/science/article/pii/S1303070118301215. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
These constraints are managed via dynamically modified, nonstationary penalty functions.
Mohammad AlHamaydeh, Samer Barakat, Omar Nasif 2017, 'Optimization of Support Structures for Offshore Wind Turbines Using Genetic Algorithmwith Domain-Trimming', Mathematical Problems in Engineeringhttp://dx.doi.org/10.1155/2017/5978375. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Electroencephalogram signals and the states of subjects are nonstationary.
Teng Ma, Fali Li, Peiyang Li, Dezhong Yao, Yangsong Zhang, Peng Xu 2018, 'An Adaptive Calibration Framework for mVEP-Based Brain-Computer Interface', Computational and Mathematical Methods in Medicinehttp://dx.doi.org/10.1155/2018/9476432. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Rotating machinery vibration signals are nonstationary and nonlinear under complicated operating conditions.
Fengtao Wang, Bosen Dun, Xiaofei Liu, Yuhang Xue, Hongkun Li, Qingkai Han 2018, 'An Enhancement Deep Feature Extraction Method for Bearing Fault Diagnosis Based onKernel Function and Autoencoder', Shock and Vibrationhttp://dx.doi.org/10.1155/2018/6024874. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Vibration signals generated by train axle box bearing have nonlinear and nonstationary characteristics.
Xiaofeng Li, Limin Jia, Xin Yang 2015, 'Fault Diagnosis of Train Axle Box Bearing Based on Multifeature Parameters', Discrete Dynamics in Nature and Societyhttp://dx.doi.org/10.1155/2015/846918. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)