Academic literature on the topic 'Frequency-domain criterion'

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Journal articles on the topic "Frequency-domain criterion"

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Verriest, Erik I. "Frequency domain stability criterion for discrete delay systems." IFAC Proceedings Volumes 34, no. 23 (2001): 107–10. http://dx.doi.org/10.1016/s1474-6670(17)32874-4.

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Yang, B., and C. D. Mote. "Frequency-Domain Vibration Control of Distributed Gyroscopic Systems." Journal of Dynamic Systems, Measurement, and Control 113, no. 1 (1991): 18–25. http://dx.doi.org/10.1115/1.2896350.

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A new method is presented for vibration control of distributed gyroscopic systems. The control is formulated in the Laplace transform domain. The transfer function of a closed-loop system, consisting of the plant, a feedback control law and the dynamics of the sensing and actuation devices, is derived. Stability analyses of the closed-loop system use both the root locus method and the generalized Nyquist criterion. Two stability criteria are obtained. Design of stabilizing controllers is carried out for both colocation and noncolocation of the sensor and actuator. The effects of time-delay and noncolocation of the sensor and actuator on the system stability are analyzed. In addition, the relationship between the root locus method and the generalized Nyquist criterion is discussed.
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SHIMAMURA, Tetsuya, and Jouji SUZUKI. "Spectral Matching Method Based on Positive Frequency Domain Criterion." Transactions of the Society of Instrument and Control Engineers 28, no. 2 (1992): 287–89. http://dx.doi.org/10.9746/sicetr1965.28.287.

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Dhaene, T., Z. Martens, and D. De Zutter. "Extended Bennia-Riad criterion for iterative frequency-domain deconvolution." IEEE Transactions on Instrumentation and Measurement 43, no. 2 (1994): 176–80. http://dx.doi.org/10.1109/19.293416.

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Marceau, R. J., J. C. Rizzi, and R. Mailhot. "A frequency-domain transient stability criterion for normal contingencies." IEEE Transactions on Power Systems 10, no. 3 (1995): 1627–34. http://dx.doi.org/10.1109/59.466478.

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Mulder, Wim A., Marwan Wirianto, and Evert C. Slob. "Time-domain modeling of electromagnetic diffusion with a frequency-domain code." GEOPHYSICS 73, no. 1 (2008): F1—F8. http://dx.doi.org/10.1190/1.2799093.

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We modeled time-domain EM measurements of induction currents for marine and land applications with a frequency-domain code. An analysis of the computational complexity of a number of numerical methods shows that frequency-domain modeling followed by a Fourier transform is an attractive choice if a sufficiently powerful solver is available. A recently developed, robust multigrid solver meets this requirement. An interpolation criterion determined the automatic selection of frequencies. The skin depth controlled the construction of the computational grid at each frequency. Tests of the method against exact solutions for some simple problems and a realistic marine example demonstrate that a limited number of frequencies suffice to provide time-domain solutions after piecewise-cubic Hermite interpolation and a fast Fourier transform.
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Schmitt, Gabriele. "Frequency domain evaluation of circle criterion, Popov criterion and off-axis circle criterion in the MIMO case." International Journal of Control 72, no. 14 (1999): 1299–309. http://dx.doi.org/10.1080/002071799220272.

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Hurvich, Clifford M., and Scott L. Zeger. "A Frequency Domain Selection Criterion for Regression with Autocorrelated Errors." Journal of the American Statistical Association 85, no. 411 (1990): 705–14. http://dx.doi.org/10.1080/01621459.1990.10474931.

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Leonov, G. A. "Frequency-domain criterion for the absolute stability of nonlinear systems." Doklady Mathematics 90, no. 2 (2014): 654–56. http://dx.doi.org/10.1134/s1064562414060349.

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Zappa, G., A. Tesi, and A. Vicino. "A Frequency Domain Criterion for Feasible Parameter Set Recursive Bounding." IFAC Proceedings Volumes 27, no. 8 (1994): 515–20. http://dx.doi.org/10.1016/s1474-6670(17)47760-3.

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Dissertations / Theses on the topic "Frequency-domain criterion"

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Petit, Frédéric. "Reverberation Chamber Modeling Using Finite-Difference Time-Domain Method." Diss., University of Marne la Vallée, 2002. http://hdl.handle.net/10919/71555.

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Since the last few years, the unprecedented growth of communication systems involving the propagation of electromagnetic waves is particularly due to developments in mobile phone technology. The reverberation chamber is a reliable bench-test, enabling the study of the effects of electromagnetic waves on a specific electronic appliance. However, the operating of a reverberation chamber being rather complicated, development of numerical models are of utmost importance to determine the crucial parameters to be considered.This thesis consists in the modelling and the simulation of the operating principles of a reverberation chamber by means of the Finite-Difference Time-Domain method. After a brief study based on field and power measurements performed in a reverberation chamber, the second chapter deals with the different problems encountered during the modelling. The consideration of losses being a very important factor in the operating of the chamber, two methods of implementation of these losses are set out in this chapter. Chapter~3 consists in the analysis of the influence of the stirrer on the first eigenmodes of the chamber; the latter modes can undergo a frequency shift of several MHz. Chapter~4 shows a comparison of results issued from high frequency simulations and theoretical statistical results. The problem of an object placed in the chamber, resulting in a field disturbance is also tackled. Finally, in the fifth chapter, a comparison of statistical results for stirrers having different shapes is set out.
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FERNANDEZ, BARRERO DIEGO. "Dynamic Soil-Structure Interactionof Soil-Steel Composite Bridges : A Frequency Domain Approach Using PML Elements and Model Updating." Thesis, KTH, Bro- och stålbyggnad, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-256033.

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This master thesis covers the dynamic soil structure interaction of soil-steel culverts applyinga methodology based on the frequency domain response. At the first stage of this masterthesis, field tests were performed on one bridge using controlled excitation. Then, themethodology followed uses previous research, the field tests, finite element models (FEM)and perfectly matched layer (PML) elements.Firstly, a 2D model of the analysed bridge, Hårestorp, was made to compare the frequencyresponse functions (FRF) with the ones obtained from the field tests. Simultaneously, a 3Dmodel of the bridge is created for the following purposes: compare it against the 2D modeland the field tests, and to implement a model updating procedure with the particle swarmalgorithm to calibrate the model parameters. Both models use PML elements, which areverified against previous solution from the literature. The verification concludes that thePML behave correctly except for extreme parameter values.In the course of this master thesis, relatively advanced computation techniques were requiredto ensure the computational feasibility of the problem with the resources available.To do that, a literature review of theoretical aspects of parallel computing was performed, aswell as the practical aspects in Comsol. Then, in collaboration with Comsol Support and thehelp given by PDC at KTH it was possible to reduce the computational time to a feasiblepoint of around two weeks for the model updating of the 3D model.The results are inconclusive, in terms of searching for a perfectly fitting model. Therefore,further research is required to adequately face the problem. Nevertheless, there are some accelerometerswhich show a considerable level of agreement. This thesis concludes to discardthe 2D models due to their incapability of facing the reality correctly, and establishes a modeloptimisation methodology using Comsol in connection with Matlab.
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Books on the topic "Frequency-domain criterion"

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Altshuller, Dmitry. Frequency Domain Criteria for Absolute Stability. Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-4234-8.

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Altshuller, Dmitry. Frequency Domain Criteria for Absolute Stability: A Delay-integral-quadratic Constraints Approach. Springer London, 2013.

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G, Powers Bruce, and Dryden Flight Research Facility, eds. Application of frequency domain handling qualities criteria to the longitudinal landing task. National Aeronautics and Space Administration, Ames Research Center, Dryden Flight Research Facility, 1985.

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Sarrafian, Shahan K. Application of frequency domain handling qualities criteria to the longitudinal landing task. National Aeronautics and Space Administration, Ames Research Center, Dryden Flight Research Facility, 1985.

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Narendra, Kumpati S. Frequency Domain Criteria for Absolute Stability. Elsevier Science & Technology Books, 2014.

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Frequency Domain Criteria For Absolute Stability A Delayintegralquadratic Constraints Approach. Springer, 2012.

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Altshuller, Dmitry. Frequency Domain Criteria for Absolute Stability: A Delay-integral-quadratic Constraints Approach. Springer, 2012.

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Berber, Stevan. Discrete Communication Systems. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198860792.001.0001.

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The book present essential theory and practice of the discrete communication systems design, based on the theory of discrete time stochastic processes, and their relation to the existing theory of digital communication systems. Using the notion of stochastic linear time invariant systems, in addition to the orhogonality principles, a general structure of the discrete communication system is constructed in terms of mathematical operators. Based on this structure, the MPSK, MFSK, QAM, OFDM and CDMA systems, using discrete modulation methods, are deduced as special cases. The signals are processed in the time and frequency domain, which requires precise derivatives of their amplitude spectral density functions, correlation functions and related energy and pover spectral densities. The book is self-sufficient, because it uses the unified notation both in the main ten chapters explaining communications systems theory and nine supplementary chapters dealing with the continuous and discrete time signal processing for both the deterministic and stochastic signals. In this context, the indexing of vital signals and finctions makes obvious distinction beteween them. Having in mind the controversial nature of the continuous time white Gaussian noise process, a separate chapter is dedicated to the noise discretisation by introducing notions of noise entropy and trauncated Gaussian density function to avoid limitations in applying the Nyquist criterion. The text of the book is acompained by the solutions of problems for all chapters and a set of deign projects with the defined projects’ topics and tasks and offered solutions.
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Dadurkevičius, Virginijus, and Andrius Utka. Frequency lists of pivot words and GSE counts. SITTI, Vytauto Didžiojo universitetas, 2022. http://dx.doi.org/10.7220/20.500.12259/252138.

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The resource contains data used to estimate the amount of words in Lithuanian texts indexed by the selected Global Search Engines (GSE), namely Google (by Alphabet Inc.), Bing (by Microsoft Corporation), and Yandex (by ООО «Яндекс», Russia). For this purpose, a special list of 100 rare Lithuanian words (pivot words) with specific characteristics was compiled. Shorter lists for Belarusian, Estonian, Finnish, Latvian, Polish, and Russian languages were also compiled. Pivot words are words with special characteristics that are used to estimate the amount of words in corpora. Pivot words that were used for the estimation of the amount of words indexed by GSE should meet the following special criteria: 1) frequency of occurrence - 10-100; 2) do not coincide with regular words in another language; 3) longer than 6 letters; 4) not of international origin; 5) not foreign loanwords; 6) not proper names of any kind; 7) not headword forms; 8) with only basic Latin letters; 9) not specific to particular domain or time period; 10) they should not coincide with variants of other words, when diacritics are removed; 11) not words that, when commonly misspelled coincide with words, in other languages. Low frequency of pivot words is crucial to consider the count of document matches reported by GSE as an indicator of the word count. Comparative results for neighbouring Belarusian, Estonian, Finnish, Latvian , Polish , and Russian languages have also been assessed. The results have been publish in https://www.bjmc.lu.lv/fileadmin/user_upload/lu_portal/projekti/bjmc/Contents/10_3_06_Dadurkevicius.pdf
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Book chapters on the topic "Frequency-domain criterion"

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Elahi, Amir Reza, Alessandro Cardoni, Marco Domaneschi, and Gian Paolo Cimellaro. "Automating the Frequency Domain Decomposition Technique Using the Modal Assurance Criterion." In Lecture Notes in Civil Engineering. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-21187-4_92.

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Li, Haitao, Xuehu Peng, Litian Zheng, Pinwen Huang, Yaolin Lou, and Lili Chen. "Self-excitation Buildup Transient Analysis of Self-Excited Induction Generators Based on Nyquist Frequency-Domain Stability Criterion." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-1395-3_7.

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Altshuller, Dmitry. "A Historical Survey." In Frequency Domain Criteria for Absolute Stability. Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-4234-8_1.

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Altshuller, Dmitry. "Foundations." In Frequency Domain Criteria for Absolute Stability. Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-4234-8_2.

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Altshuller, Dmitry. "Stability Multipliers." In Frequency Domain Criteria for Absolute Stability. Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-4234-8_3.

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Altshuller, Dmitry. "Time-Periodic Systems." In Frequency Domain Criteria for Absolute Stability. Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-4234-8_4.

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Soh, C. B. "Frequency Domain Criteria for Robust Root Locations of Generalized Disc Polynomials." In Robustness of Dynamic Systems with Parameter Uncertainties. Birkhäuser Basel, 1992. http://dx.doi.org/10.1007/978-3-0348-7268-3_3.

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Rüppel, Adrian Karl, Muzaffer Ay, Benedikt Biernat, et al. "Model-Based Controlling Approaches for Manufacturing Processes." In Internet of Production. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-030-98062-7_7-1.

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AbstractThe main objectives in production technology are quality assurance, cost reduction, and guaranteed process safety and stability. Digital shadows enable a more comprehensive understanding and monitoring of processes on shop floor level. Thus, process information becomes available between decision levels, and the aforementioned criteria regarding quality, cost, or safety can be included in control decisions for production processes. The contextual data for digital shadows typically arises from heterogeneous sources. At shop floor level, the proximity to the process requires usage of available data as well as domain knowledge. Data sources need to be selected, synchronized, and processed. Especially high-frequency data requires algorithms for intelligent distribution and efficient filtering of the main information using real-time devices and in-network computing. Real-time data is enriched by simulations, metadata from product planning, and information across the whole process chain. Well-established analytical and empirical models serve as the base for new hybrid, gray box approaches. These models are then applied to optimize production process control by maximizing the productivity under given quality and safety constraints. To store and reuse the developed models, ontologies are developed and a data lake infrastructure is utilized and constantly enlarged laying the basis for a World Wide Lab (WWL). Finally, closing the control loop requires efficient quality assessment, immediately after the process and directly on the machine. This chapter addresses works in a connected job shop to acquire data, identify and optimize models, and automate systems and their deployment in the Internet of Production (IoP).
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Rüppel, Adrian Karl, Muzaffer Ay, Benedikt Biernat, et al. "Model-Based Controlling Approaches for Manufacturing Processes." In Internet of Production. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-030-98062-7_7-2.

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AbstractThe main objectives in production technology are quality assurance, cost reduction, and guaranteed process safety and stability. Digital shadows enable a more comprehensive understanding and monitoring of processes on shop floor level. Thus, process information becomes available between decision levels, and the aforementioned criteria regarding quality, cost, or safety can be included in control decisions for production processes. The contextual data for digital shadows typically arises from heterogeneous sources. At shop floor level, the proximity to the process requires usage of available data as well as domain knowledge. Data sources need to be selected, synchronized, and processed. Especially high-frequency data requires algorithms for intelligent distribution and efficient filtering of the main information using real-time devices and in-network computing. Real-time data is enriched by simulations, metadata from product planning, and information across the whole process chain. Well-established analytical and empirical models serve as the base for new hybrid, gray box approaches. These models are then applied to optimize production process control by maximizing the productivity under given quality and safety constraints. To store and reuse the developed models, ontologies are developed and a data lake infrastructure is utilized and constantly enlarged laying the basis for a World Wide Lab (WWL). Finally, closing the control loop requires efficient quality assessment, immediately after the process and directly on the machine. This chapter addresses works in a connected job shop to acquire data, identify and optimize models, and automate systems and their deployment in the Internet of Production (IoP).
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Rüppel, Adrian Karl, Muzaffer Ay, Benedikt Biernat, et al. "Model-Based Controlling Approaches for Manufacturing Processes." In Internet of Production. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-44497-5_7.

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AbstractThe main objectives in production technology are quality assurance, cost reduction, and guaranteed process safety and stability. Digital shadows enable a more comprehensive understanding and monitoring of processes on shop floor level. Thus, process information becomes available between decision levels, and the aforementioned criteria regarding quality, cost, or safety can be included in control decisions for production processes. The contextual data for digital shadows typically arises from heterogeneous sources. At shop floor level, the proximity to the process requires usage of available data as well as domain knowledge. Data sources need to be selected, synchronized, and processed. Especially high-frequency data requires algorithms for intelligent distribution and efficient filtering of the main information using real-time devices and in-network computing. Real-time data is enriched by simulations, metadata from product planning, and information across the whole process chain. Well-established analytical and empirical models serve as the base for new hybrid, gray box approaches. These models are then applied to optimize production process control by maximizing the productivity under given quality and safety constraints. To store and reuse the developed models, ontologies are developed and a data lake infrastructure is utilized and constantly enlarged laying the basis for a World Wide Lab (WWL). Finally, closing the control loop requires efficient quality assessment, immediately after the process and directly on the machine. This chapter addresses works in a connected job shop to acquire data, identify and optimize models, and automate systems and their deployment in the Internet of Production (IoP).
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Conference papers on the topic "Frequency-domain criterion"

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Kara, Ahmet, Can Unen, and Umut Ture. "Development of Model Based Pilot Controller for Automated Testing of Failure Scenarios in Automatic Flight Control System." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0080-2024-1268.

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This paper examines the Handling Quality Rating (HQR) of the Model-Based Pilot Controller (MBPC) in failure scenarios within the Automatic Flight Control System (AFCS). The MBPC aims to automate the testing of malfunctions in the AFCS of the T625 Gökbey platform. It is constructed using optimal control and estimation theory, with the cost function representing human characteristics determined by weighting matrices. The optimal values of weighting matrices that minimize the cost function are achieved via Genetic Algorithm. This algorithm utilized to systematically minimize user-defined cost functions tailored to optimize performance for selected maneuvers within the scope of ADS33E-PRF, considering user-defined constraints. Time-domain metric performance is provided for two maneuvers: vertical maneuver and hovering turn. The HQRs of the MBPC evaluated according to Power Frequency and Inceptor Peak Power-Phase (IPPP) metrics. The MBPC satisfies the ADS33 desired performance criteria in case of a failure scenario in AFCS throughout the maneuver, achieving satisfactory handling quality results.
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Ivler, Christina, and Ondrej Juhasz. "Evaluation of Control Allocation Techniques for a Medium Lift Tilt-Rotor." In Vertical Flight Society 71st Annual Forum & Technology Display. The Vertical Flight Society, 2015. http://dx.doi.org/10.4050/f-0071-2015-10169.

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In a traditional single main rotor helicopter, only 4 controls are available - lateral cyclic, longitudinal cyclic, main rotor collective pitch and tail rotor collective pitch. As such, redundancy is not available as all four controls are needed to maneuver the aircraft in the four control axes - pitch, roll, yaw and heave. In contrast, high speed rotorcraft configurations (such as tilt-rotors and compound helicopters) have multiple redundant control effectors. The strategy for applying these control effectors, and in which proportion, is called 'control allocation'. This paper provides an evaluation and comparison of different control allocation methods, applied to a medium lift tilt rotor. The control allocation methods are evaluated based on a comprehensive set of time and frequency domain metrics, as well as robustness criteria. In addition to evaluation of standard control allocation methods, several control allocation methods are further developed and evaluated for reducing flap motion of the rotors. A piloted fixed base simulation is performed, and pilot comments and data are presented. The paper concludes with discussion of the results and trade-offs of the most effective control allocation techniques.
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Schmitt, G. "Frequency domain evaluation of discrete-time circle criterion and Tsypkin Criterion in the MIMO case." In 1999 European Control Conference (ECC). IEEE, 1999. http://dx.doi.org/10.23919/ecc.1999.7099293.

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Chen, Zhenrui, Yahong Rosa Zheng, Jun Tao, Jintao Wang, and Jian Song. "Frequency Domain Turbo Equalization under MMSE Criterion for Single Carrier MIMO Systems." In GLOBECOM 2015 - 2015 IEEE Global Communications Conference. IEEE, 2014. http://dx.doi.org/10.1109/glocom.2014.7417233.

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Chen, Zhenrui, Yahong Rosa Zheng, Jun Tao, Jintao Wang, and Jian Song. "Frequency Domain Turbo Equalization under MMSE Criterion for Single Carrier MIMO Systems." In GLOBECOM 2015 - 2015 IEEE Global Communications Conference. IEEE, 2015. http://dx.doi.org/10.1109/glocom.2015.7417233.

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Zhao, Yongdong, and Suhada Jayasuriya. "A Frequency Domain Criterion for Robustly Stabilizing a Family of Interval Plants." In 1992 American Control Conference. IEEE, 1992. http://dx.doi.org/10.23919/acc.1992.4792334.

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Choi, Jeonghoon, Jubum Kim, Joon Ho Cho, and James S. Lehnert. "Widely-Linear Nyquist Criterion for DFT-Spread OFDM with Frequency-Domain Spectrum Shaping." In ICC 2021 - IEEE International Conference on Communications. IEEE, 2021. http://dx.doi.org/10.1109/icc42927.2021.9500321.

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Zeyong Shan and S. Aviyente. "Source Separation in the Time-Frequency Domain by Maximizing an Information-Theoretic Criterion." In 2006 IEEE International Conference on Electro/Information Technology. IEEE, 2006. http://dx.doi.org/10.1109/eit.2006.252162.

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Ismail, O. "Frequency domain reduction of linear structured uncertain systems using integral squared error criterion." In Intelligent Systems and Advanced Manufacturing, edited by Peter E. Orban. SPIE, 2001. http://dx.doi.org/10.1117/12.452650.

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Gao, Zhen, Chao Zhang, Yu Zhang, and Hang Zhang. "Frequency-Domain Response Based Timing Synchronization: A Near Optimal Sampling Phase Criterion for TDS-OFDM." In 2014 IEEE 80th Vehicular Technology Conference (VTC Fall). IEEE, 2014. http://dx.doi.org/10.1109/vtcfall.2014.6965989.

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Reports on the topic "Frequency-domain criterion"

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Rannenberg, Kai, Sebastian Pape, Frédéric Tronnier, and Sascha Löbner. Study on the Technical Evaluation of De-Identification Procedures for Personal Data in the Automotive Sector. Universitätsbibliothek Johann Christian Senckenberg, 2021. http://dx.doi.org/10.21248/gups.63413.

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The aim of this study was to identify and evaluate different de-identification techniques that may be used in several mobility-related use cases. To do so, four use cases have been defined in accordance with a project partner that focused on the legal aspects of this project, as well as with the VDA/FAT working group. Each use case aims to create different legal and technical issues with regards to the data and information that are to be gathered, used and transferred in the specific scenario. Use cases should therefore differ in the type and frequency of data that is gathered as well as the level of privacy and the speed of computation that is needed for the data. Upon identifying use cases, a systematic literature review has been performed to identify suitable de-identification techniques to provide data privacy. Additionally, external databases have been considered as data that is expected to be anonymous might be reidentified through the combination of existing data with such external data. For each case, requirements and possible attack scenarios were created to illustrate where exactly privacy-related issues could occur and how exactly such issues could impact data subjects, data processors or data controllers. Suitable de-identification techniques should be able to withstand these attack scenarios. Based on a series of additional criteria, de-identification techniques are then analyzed for each use case. Possible solutions are then discussed individually in chapters 6.1 - 6.2. It is evident that no one-size-fits-all approach to protect privacy in the mobility domain exists. While all techniques that are analyzed in detail in this report, e.g., homomorphic encryption, differential privacy, secure multiparty computation and federated learning, are able to successfully protect user privacy in certain instances, their overall effectiveness differs depending on the specifics of each use case.
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