Journal articles: 'Time shifting'

1

Pesut, Daniel J. "Time shifting." Nursing Outlook 46, no. 3 (May 1998): 102. http://dx.doi.org/10.1016/s0029-6554(98)90033-1.

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Skach, Matt, Manish Arora, Chang-Hong Hsu, Qi Li, Dean Tullsen, Lingjia Tang, and Jason Mars. "Thermal time shifting." ACM SIGARCH Computer Architecture News 43, no. 3S (January 4, 2016): 439–49. http://dx.doi.org/10.1145/2872887.2749474.

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Roser, Christoph, Masaru Nakano, and Minoru Tanaka. "Time Shifting Bottlenecks in Manufacturing(Advanced Manufacturing,Session: MP2-D)." Abstracts of the international conference on advanced mechatronics : toward evolutionary fusion of IT and mechatronics : ICAM 2004.4 (2004): 37. http://dx.doi.org/10.1299/jsmeicam.2004.4.37_3.

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Blakely, J. N., and N. J. Corron. "Time shifting chaotic signals using synchronization." European Physical Journal Special Topics 165, no. 1 (December 2008): 111–17. http://dx.doi.org/10.1140/epjst/e2008-00854-0.

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Van der Jeught, Sam, Joris A. M. Soons, and Joris J. J. Dirckx. "Real-time microscopic phase-shifting profilometry." Applied Optics 54, no. 15 (May 20, 2015): 4953. http://dx.doi.org/10.1364/ao.54.004953.

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Ter Meulen, Alice G. B. "Shifting of Reference-time and Perspective." Annual Meeting of the Berkeley Linguistics Society 17, no. 1 (July 25, 1991): 520. http://dx.doi.org/10.3765/bls.v17i0.1625.

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Zhu, Zhen, Xiang Gao, Daoyuan Pan, Yu Zhu, and Leilei Cao. "Study on the Control Strategy of Shifting Time Involving Multigroup Clutches." Mathematical Problems in Engineering 2016 (2016): 1–17. http://dx.doi.org/10.1155/2016/9523251.

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This paper focuses on the control strategy of shifting time involving multigroup clutches for a hydromechanical continuously variable transmission (HMCVT). The dynamic analyses of mathematical models are presented in this paper, and the simulation models are used to study the control strategy of HMCVT. Simulations are performed in SimulationXplatform to investigate the shifting time of clutches under different operating conditions. On this basis, simulation analysis and test verification of two typical conditions, which play the decisive roles for the shifting quality, are carried out. The results show that there are differences in the shifting time of the two typical conditions. In the shifting process from the negative transmission of hydromechanical ranges to the positive transmission of hydromechanical ranges, the control strategy based on the shifting time is switching the clutches of shifting mechanism firstly and then disengaging a group of clutches of planetary gear mechanism and engaging another group of the clutches of planetary gear mechanism lastly. In the shifting process from the hydraulic range to the hydromechanical range, the control strategy based on the shifting time is switching the clutches of hydraulic shifting mechanism and planetary gear mechanism at first and then engaging the clutch of shifting mechanism.

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Gere, Judith, and Emily A. Impett. "Shifting priorities." Journal of Social and Personal Relationships 35, no. 6 (March 17, 2017): 793–810. http://dx.doi.org/10.1177/0265407517698851.

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We investigated whether partners in newly developing romantic relationships adjust their goals when they experience conflict with the goals of their partner, and the consequences of goal conflict and goal adjustment. Fifty-nine newly dating couples ( N = 118) reported on their goals at an initial session and again 3 months later. Multilevel models indicated that when people reported higher conflict between a goal and their partner’s goals, they were more likely to stop pursuing as well as to devalue the importance of that particular goal over time. Furthermore, goal devaluing was associated with increases in relationship commitment over time but decreases in women’s relationship satisfaction when their partners devalued conflicting goals. Overall levels of goal conflict were associated with marginal decreases in relationship satisfaction. These results indicate that romantic partners try to adjust their goals to reduce goal conflict even in developing relationships, and that these adjustments have consequences for relationship satisfaction and commitment.

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Schudson, Michael. "News and Democracy: Shifting Functions over Time." Cuadernos.info, no. 22 (2008): 66–75. http://dx.doi.org/10.7764/cdi.22.91.

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Shumack, Kaye. "Mapping: Shifting Ecologies of Time and Place." Design Philosophy Papers 10, no. 2 (November 2012): 89–93. http://dx.doi.org/10.2752/089279312x13968781797715.

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Zick, Cathleen D. "The Shifting Balance of Adolescent Time Use." Youth & Society 41, no. 4 (June 10, 2009): 569–96. http://dx.doi.org/10.1177/0044118x09338506.

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Busse, L. "The Time Course of Shifting Visual Attention." Journal of Neuroscience 26, no. 15 (April 12, 2006): 3885–86. http://dx.doi.org/10.1523/jneurosci.0459-06.2006.

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Itoh, Taira, and Takashi Nagatani. "Optimal admission time for shifting the audience." Physica A: Statistical Mechanics and its Applications 313, no. 3-4 (October 2002): 695–708. http://dx.doi.org/10.1016/s0378-4371(02)00979-2.

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Provorse, Makenzie R., Bradley F. Habenicht, and Christine M. Isborn. "Peak-Shifting in Real-Time Time-Dependent Density Functional Theory." Journal of Chemical Theory and Computation 11, no. 10 (September 17, 2015): 4791–802. http://dx.doi.org/10.1021/acs.jctc.5b00559.

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Shellman, Stephen M., Brian P. Levey, and Joseph K. Young. "Shifting sands." Journal of Peace Research 50, no. 3 (May 2013): 319–36. http://dx.doi.org/10.1177/0022343312474013.

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Why does a dissident group go through phases of violence and nonviolence? Many studies of states and dissidents examine related issues by focusing on structural or rarely changing factors. In contrast, some more recent work focuses on dynamic interaction of participants. We suggest forecasting state–dissident interaction using insights from this dynamic approach while also incorporating structural factors. We explore this question by offering new data on the behavior of groups and governments collected using automated natural language processing techniques. These data provide information on who is doing what to whom at a directed-dyadic level. We also collected new data on the attitudes or sentiment of the masses using novel automated techniques. Since obtaining valid and reliable time-series public opinion data on mass attitudes towards a dissident group is extremely difficult, we have created automated sentiment data by scraping publicly available information written by members of the population and aggregating this information to create a pollof opinion at a discrete time period. We model the violence and nonviolence perpetrated by two groups: the Tamil Tigers in Sri Lanka and the Moro Islamic Liberation Front in the Philippines. We find encouraging results for predicting future phase shifts in violence when accounting for behaviors modeled with our data as opposed to models based solely on structural factors.

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Shimizu, Katsuto, Tetsuji Ota, Nobuya Mizoue, and Shigejiro Yoshida. "Patch-Based Assessments of Shifting Cultivation Detected by Landsat Time Series Images in Myanmar." Sustainability 10, no. 9 (September 19, 2018): 3350. http://dx.doi.org/10.3390/su10093350.

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Shifting cultivation is a widely practiced agriculture system in the tropics. Regardless of the dominant land use, the dynamics of shifting cultivation over large areas are of limited knowledge. We conducted patch-based assessments and characterization of shifting cultivation extracted from already developed dataset, which detected shifting cultivation by a trajectory-based analysis using annual Landsat TM/ETM+/OLI time series images from 2000 to 2014 in Myanmar. An accuracy assessment was conducted in terms of the size and number of cleared areas compared with reference polygons of shifting cultivation, which were manually delineated by visual interpretation using Landsat and high-resolution satellite images from Google Earth™ in the selected areas. The producer’s and user’s accuracies in detecting the number of shifting cultivation patches were 78.1% and 88.4%, respectively. In whole study area, the probability of disturbances caused by shifting cultivation was significantly affected by distance to the nearest village, indicating the importance of accessibility from residences. The number of shifting cultivation patches showed a decreasing trend in this region and it will lead to less cleared forests such as located far from residences. These dynamics of shifting cultivation have possibility to affect the mosaic patterns of landscape and function maintained in the landscape in this region.

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Gunawardana, Kennedy Degaulle, and Iliya Garba. "Tax Shifting." International Journal of Social Ecology and Sustainable Development 13, no. 1 (January 2022): 1–11. http://dx.doi.org/10.4018/ijsesd.287118.

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This paper reviewed the theoretical and empirical literature on tax shifting as an innovative approach to environmental tax policy, because time has come for the policymaker to reform their environmental policy in such a way that it will promote environmental protection and discourage environmental degradation. Since tax generally decreases consumption of the items taxed, a commonsensible strategy, and it is welfare improving to tax undesirable activities more and desirable activities less in more efficiently and convenience way. Musgrave’s theory of fiscal incidence and its measurement has been reviewed. The study applies a mixed method approach where qualitative data was collected from individual’s tax workers and the data was analyzed using a structural equation model (SEM).

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Wong, Wai Yin Christina. "Shifting Memories." Social Sciences and Missions 33, no. 1-2 (May 22, 2020): 157–89. http://dx.doi.org/10.1163/18748945-03301011.

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Abstract Five years after the establishment of the World Young Women’s Christian Association (YWCA) in 1894 under the influence of the Protestant evangelical movement the Chinese YWCA national committee was founded in 1899. Shortly after the overthrow of the Manchu Empire, the Canton YWCA was founded in 1912, the first year of the Republic of China. In this study I examine three oral history interviews with former YWCA staff, supplemented by the written recollections of a former general secretary and other scarce materials to reconstruct the fragmented work of the Canton YWCA in the 1940s. In the conclusion, I discuss how their memories have shifted according to their contingent “present” identities in different periods of time, and how they are dependent on individual concerns, institutional affiliations and socio-political contexts.

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Zhao, Zhiguo, Haijun Chen, and Yunyun Yang. "Fuzzy Determination of Target Shifting Time and Torque Control of Shifting Phase for Dry Dual Clutch Transmission." Mathematical Problems in Engineering 2014 (2014): 1–19. http://dx.doi.org/10.1155/2014/347490.

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Based on the independently developed five-speed dry dual clutch transmission (DDCT), the paper proposes the torque coordinating control strategy between engine and two clutches, which obtains engine speed and clutch transferred torque in the shifting process, adequately reflecting the driver intention and improving the shifting quality. Five-degree-of-freedom (DOF) shifting dynamics model of DDCT with single intermediate shaft is firstly established according to its physical characteristics. Then the quantitative control objectives of the shifting process are presented. The fuzzy decision of shifting time and the model-based torque coordinating control strategy are proposed and also verified by simulating under different driving intentions in up-/downshifting processes with the DCT model established on the MATLAB/Simulink. Simulation results validate that the shifting control algorithm proposed in this paper can not only meet the shifting quality requirements, but also adapt to the various shifting intentions, having a strong robustness.

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Clark, Susan M., Armine Yalnizyan, T. Ran Ide, and Arthur J. Cordell. "Shifting Time: Policy and the Future of Work." Labour / Le Travail 36 (1995): 393. http://dx.doi.org/10.2307/25144012.

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KIMURA, Noriyuki. "Efficient Energy Utilization by Shifting Space and Time." Journal of The Institute of Electrical Engineers of Japan 128, no. 8 (2008): 524–27. http://dx.doi.org/10.1541/ieejjournal.128.524.

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Ling, Ted. "Shifting the Sands of Time: Moving an archive." Journal of the Society of Archivists 21, no. 2 (October 2000): 169–81. http://dx.doi.org/10.1080/713683211.

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Haarsager, Sandra. "Shifting Time and Space: The Story of Videotape." American Journalism 9, no. 1-2 (January 1992): 129–30. http://dx.doi.org/10.1080/08821127.1992.10731437.

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Cameron, Taylor, and Brian Jackel. "Quantitative evaluation of solar wind time-shifting methods." Space Weather 14, no. 11 (November 2016): 973–81. http://dx.doi.org/10.1002/2016sw001451.

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Madigosky, Walter M., Gilbert F. Lee, and Jan M. Niemiec. "Determining dynamic viscoelastic properties without time‐temperature shifting." Journal of the Acoustical Society of America 123, no. 5 (May 2008): 3592. http://dx.doi.org/10.1121/1.2934732.

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Rogers, Jack M. "Shifting Ventricular Fibrillation Drive Mechanism as Time Progresses." JACC: Clinical Electrophysiology 1, no. 3 (June 2015): 198–99. http://dx.doi.org/10.1016/j.jacep.2015.05.004.

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Ahn, C. B., S. Y. Lee, O. Nalcioglu, and Z. H. Cho. "Spectroscopic imaging by quadrature modulated echo time shifting." Magnetic Resonance Imaging 4, no. 2 (January 1986): 110. http://dx.doi.org/10.1016/0730-725x(86)90921-5.

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Keiser, Jane M. "Shifting Our Computational Focus." Mathematics Teaching in the Middle School 16, no. 4 (November 2010): 216–23. http://dx.doi.org/10.5951/mtms.16.4.0216.

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Thompson, Barbara Marcia. "Shifting feminisms." Gender in Management: An International Journal 34, no. 4 (June 3, 2019): 287–305. http://dx.doi.org/10.1108/gm-12-2017-0179.

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Purpose The paper aims to shed light on how a group of feminist managers/leaders, in education and social studies departments, a notably under-explored and under-theorised group, “do power” in the increasingly corporatized education marketplace. Design/methodology/approach The research draws on the narratives of a small group of feminist women who hold authority positions at middle or senior levels. It draws on data from ethnographic interviews and participant observation carried out as part of an in-depth narrative inquiry (Andrews et al., 2008), carried out at three higher education institutions in the UK. Findings From a small sample such as this, any findings are necessarily tentative. Nonetheless, findings suggest that, whilst taking account of individual differences in styles, there has been a shift, over time, in the ways that the management role is approached by some feminist women. Analysis of the data also reveals that gendered expectations remain for those who carry the “feminist” label and asks whether these expectations are realistic. Research limitations/implications The sample group is small which raises questions about what can and cannot be claimed. However, along with Maguire (2008), the author’s purpose is not with generalizability but seeks to explore issues and open up further areas of study. Originality/value This paper is an original empirical research which explores an under-researched group of women, namely, feminist managers and leaders who operate within the education marketplace. As they negotiate the challenges of working within the neoliberal academy, these women try, to varying degrees, to remain true to their feminist values and beliefs.

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LING, Lin. "Time-varying Material Distribution Routing Optimization Considering Shifting Bottleneck." Journal of Mechanical Engineering 51, no. 23 (2015): 133. http://dx.doi.org/10.3901/jme.2015.23.133.

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Burri, René. "Vacuum-Matter Interaction through Hyper-Dimensional Time-Space Shifting." Journal of High Energy Physics, Gravitation and Cosmology 02, no. 03 (2016): 432–46. http://dx.doi.org/10.4236/jhepgc.2016.23037.

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Carlson, Marvin. "Theatre and Performance at a Time of Shifting Disciplines." Theatre Research International 26, no. 2 (June 14, 2001): 137–44. http://dx.doi.org/10.1017/s0307883301000141.

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The boundaries of theatre as an academic discipline have never been particularly clear, and its relationship to other disciplines has been the focus of constant struggle and negotiation. This essay traces that negotiation, focusing upon its process in American universities. Competing with literature departments for the study of dramatic texts, American theatre departments drew their own new disciplinary model, based primarily on German Theaterwissenschaft, with emphasis upon the staging history and historical context of dramatic texts. More recently such emerging fields as performance studies and cultural studies have sought to transcend such traditional disciplinary boundaries. Despite some resistance from existing academic and publishing structures, the trend towards the breaking down of these traditional boundaries seems clear. Our academic culture seems headed towards a considerably more fluid organization of its materials of study than the traditional organization into fairly discrete disciplines could offer.

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Lei, Zhenkun, Yilan Kang, and Dazhen Yun. "A numerical comparison of real-time phase-shifting algorithms." Optics and Lasers in Engineering 42, no. 4 (October 2004): 395–401. http://dx.doi.org/10.1016/j.optlaseng.2003.12.001.

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Rea, William, Marco Reale, Jennifer Brown, and Les Oxley. "Long memory or shifting means in geophysical time series?" Mathematics and Computers in Simulation 81, no. 7 (March 2011): 1441–53. http://dx.doi.org/10.1016/j.matcom.2010.06.007.

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Wessel, Lois A. "Shifting Gears: Engaging Nurse Practitioners in Prescribing Time Outdoors." Journal for Nurse Practitioners 13, no. 1 (January 2017): 89–96. http://dx.doi.org/10.1016/j.nurpra.2016.06.013.

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Langoju, Rajesh. "Real-time phase-step estimation in phase-shifting interferometry." Optical Engineering 46, no. 3 (March 1, 2007): 035601. http://dx.doi.org/10.1117/1.2715444.

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Nakadate, Suezou. "Vibration measurement using phase-shifting time-average holographic interferometry." Applied Optics 25, no. 22 (November 15, 1986): 4155. http://dx.doi.org/10.1364/ao.25.004155.

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Peterson, Zachary, and Randal Burns. "Ext3cow: a time-shifting file system for regulatory compliance." ACM Transactions on Storage 1, no. 2 (May 2005): 190–212. http://dx.doi.org/10.1145/1063786.1063789.

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Yoon, Irene H., and Annie Barton. "Turnaround leaders’ shifting gears in chronos and kairos time." Journal of Educational Administration 57, no. 6 (November 4, 2019): 690–707. http://dx.doi.org/10.1108/jea-08-2018-0139.

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Purpose In empirical research and practitioner guides, turnaround processes tend to be described in terms of discrete stages and strategies. Though necessary, this characterization belies the twists and turns of turnaround leadership. The purpose of this paper is to expand the assumptions of how turnaround proceeds in linear chronos time with the sensibilities of kairos time or the “right” time for turnaround leadership moves. Design/methodology/approach This study is an exploratory qualitative multi-case study with principals and their key supports (assistant principals, district leaders, teacher leaders) in four public turnaround schools. The grounded theory analysis conceptualizes the experiences of turnaround principals in flexible, complex ways. Findings The findings begin with a metaphor and definition of “shifting gears” at chronos and kairos times that emphasizes how turnaround principals make adaptive, agentic adjustments when moving forward through changing terrain. The second half of findings describes each principal’s experiences and reflections on their discernment of the right times for change within a chronological trajectory of turnaround. In addition, the leaders described shifting gears as strategic and responsive to contexts, sometimes taking a psychological toll. Originality/value Expanding notions of time in turnaround re-centers turnaround leaders as engaging in intellectually and emotionally demanding work. Such recognition challenges future research to address experiences and emotions in dynamic contexts. Hence, with this study, preparation programs and state and local systems may adjust holistic supports and leadership pipelines to sustain turnaround leaders.

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Van den Bulck, Jan. "VCR‐use and patterns of time shifting and selectivity." Journal of Broadcasting & Electronic Media 43, no. 3 (June 1999): 316–26. http://dx.doi.org/10.1080/08838159909364494.

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Kehagias, Ath, and V. Fortin. "Time series segmentation with shifting means hidden markov models." Nonlinear Processes in Geophysics 13, no. 3 (August 1, 2006): 339–52. http://dx.doi.org/10.5194/npg-13-339-2006.

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Abstract. We present a new family of hidden Markov models and apply these to the segmentation of hydrological and environmental time series. The proposed hidden Markov models have a discrete state space and their structure is inspired from the shifting means models introduced by Chernoff and Zacks and by Salas and Boes. An estimation method inspired from the EM algorithm is proposed, and we show that it can accurately identify multiple change-points in a time series. We also show that the solution obtained using this algorithm can serve as a starting point for a Monte-Carlo Markov chain Bayesian estimation method, thus reducing the computing time needed for the Markov chain to converge to a stationary distribution.

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Liu, Chen. "An efficient method achieving high‐precision digital time‐shifting." Journal of the Acoustical Society of America 102, no. 5 (November 1997): 3208. http://dx.doi.org/10.1121/1.420957.

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Zhou, Ying, and Mark Kot. "Discrete-time growth-dispersal models with shifting species ranges." Theoretical Ecology 4, no. 1 (February 2, 2010): 13–25. http://dx.doi.org/10.1007/s12080-010-0071-3.

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Styk, A., and H. Dziubecka - Bala. "Phase Shift Strategies in Phase Shifting Time Averaging Interferometry." Experimental Techniques 45, no. 3 (January 20, 2021): 363–75. http://dx.doi.org/10.1007/s40799-020-00427-z.

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AbstractClassical time-averaging interferometry technique is widely used for MEMS/MOEMS dynamic behavior investigations. It provides useful information on resonant vibration frequencies and mode shapes in the form of Bessel fringe images. To evaluate the information on objects’ vibration amplitude distribution, one needs to further process Bessel fringe images (besselograms). Among different available approaches to besselograms processing, Temporal Phase Shifting is of particular interest since it provides the most accurate results. However, it requires an additional cumbersome correction routine via specially designed look-up-tables fitted to the calculation algorithm used. In this paper, we numerically investigate the possibility of reducing Bessel images argument (phase) evaluation error by different phase shifting strategies. Two different 5 step algorithms are investigated for that purpose. Additionally, a quick and robust correction procedure based on evaluated phase distribution is presented. It allows us to speed up the calculations significantly. Moreover, such an approach is much less susceptible to noise in comparison to a look-up-table solution.

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Omura, Takuya, Hayato Watanabe, Naoto Okaichi, Hisayuki Sasaki, and Masahiro Kawakita. "Full-parallax 3D display using time-multiplexing projection technology." Electronic Imaging 2020, no. 2 (January 26, 2020): 100–1. http://dx.doi.org/10.2352/issn.2470-1173.2020.2.sda-100.

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We enhanced the resolution characteristics of a threedimensional (3D) image using time-division multiplexing methods in a full-parallax multi-view 3D display. A time-division light-ray shifting (TDLS) method is proposed that uses two polarization gratings (PGs). As PG changes the diffraction direction of light rays according to the polarization state of the incident light, this method can shift light rays approximately 7 mm in a diagonal direction by switching the polarization state of incident light and adjusting the distance between the PGs. We verified the effect on the characteristics of 3D images based on the extent of the shift. As a result, the resolution of a 3D image with depth is improved by shifting half a pitch of a multi-view image using the TDLS method, and the resolution of the image displayed near the screen is improved by shifting half a pixel of each viewpoint image with a wobbling method. These methods can easily enhance 3D characteristics with a small number of projectors.

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Dalvand, Fardin, Satar Dalvand, Fatemeh Sharafi, and Michael Pecht. "Current Noise Cancellation for Bearing Fault Diagnosis Using Time Shifting." IEEE Transactions on Industrial Electronics 64, no. 10 (October 2017): 8138–47. http://dx.doi.org/10.1109/tie.2017.2694397.

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Yu, Hui-Long, Jun-Qiang Xi, Feng-qi Zhang, and Yu-hui Hu. "Research on Gear Shifting Process without Disengaging Clutch for a Parallel Hybrid Electric Vehicle Equipped with AMT." Mathematical Problems in Engineering 2014 (2014): 1–12. http://dx.doi.org/10.1155/2014/985652.

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Dynamic models of a single-shaft parallel hybrid electric vehicle (HEV) equipped with automated mechanical transmission (AMT) were described in different working stages during a gear shifting process without disengaging clutch. Parameters affecting the gear shifting time, components life, and gear shifting jerk in different transient states during a gear shifting process were deeply analyzed. The mathematical models considering the detailed synchronizer working process which can explain the gear shifting failure, long time gear shifting, and frequent synchronizer failure phenomenon in HEV were derived. Dynamic coordinated control strategy of the engine, motor, and actuators in different transient states considering the detailed working stages of synchronizer in a gear shifting process of a HEV is for the first time innovatively proposed according to the state of art references. Bench test and real road test results show that the proposed control strategy can improve the gear shifting quality in all its evaluation indexes significantly.

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Truax, Barry. "Discovering Inner Complexity: Time Shifting and Transposition with a Real-Time Granulation Technique." Computer Music Journal 18, no. 2 (1994): 38. http://dx.doi.org/10.2307/3680442.

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Purtilo, Ruth B. "A Time to Harvest, a Time to Sow: Ethics for a Shifting Landscape." Physical Therapy 80, no. 11 (November 1, 2000): 1112–19. http://dx.doi.org/10.1093/ptj/80.11.1112.

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Abstract Ruth B Purtilo, known to many physical therapist students and clinicians through her numerous publications in the area of ethics, has influenced the delivery of health care nationally and internationally. Throughout her long career, she has educated us about the moral issues and courses of direction that guide us in our daily lives as health care professionals. Dr Purtilo has been a visiting professor or named lecturer to more than 30 different colleges and universities worldwide. Her publications, primarily on ethics in health care, include 8 books and more than 70 articles and chapters. In addition to being involved in APTA, Dr Purtilo has served as President of the American Society of Law, Medicine, and Ethics and was a founding member of the Society of Bioethics Consultation. She is a member of many other professional organizations, including the American Association of Bioethics, the American Philosophical Association, the Society for Health and Human Values, and the World Confederation for Physical Therapy. Dr Purtilo has been recognized by APTA as a recipient of the Golden Pen Award, the Helen Hislop Award for Outstanding Contributions to Professional Literature, and a Catherine Worthingham Fellowship.

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Kwiatkowski, Paweł, Krzysztof Różyc, Marek Sawicki, Zbigniew Jachna, and Ryszard Szplet. "5 ps Jitter Programmable Time Interval/Frequency Generator." Metrology and Measurement Systems 24, no. 1 (March 1, 2017): 57–68. http://dx.doi.org/10.1515/mms-2017-0009.

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Abstract A new time interval/frequency generator with a jitter below 5 ps is described. The time interval generation mechanism is based on a phase shifting method with the use of a precise DDS synthesizer. The output pulses are produced in a Spartan-6 FPGA device, manufactured by Xilinx in 45 nm CMOS technology. Thorough tests of the phase shifting in a selected synthesizer are performed. The time interval resolution as low as 0.3 ps is achieved. However, the final resolution is limited to 500 ps to maximize precision. The designed device can be used as a source of high precision reference time intervals or a highly stable square wave signal of frequency up to 50 MHz.

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Journal articles on the topic 'Time shifting'

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