Adaptive filters

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  • Adaptive filtering can be used to characterize unknown systems in time-variant environments. The main objective of this approach is to meet a difficult comprise: maximum convergence speed with maximum accuracy. Each application requires a certain approach which determines the filter structure, the cost function to minimize the estimation error, the adaptive algorithm, and other parameters; and each selection involves certain cost in computational terms, that in any case should consume less time than the time required by the application working in real-time....

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  • Tham khảo sách 'adaptive filtering', kỹ thuật - công nghệ, điện - điện tử phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Lecture Adaptive filtering - Theory and applications has contents: Adaptive filtering applications, adaptive filtering principles, iterative solutions for the optimum filtering problem, stochastic gradient algorithms, deterministic algorithms, analysis.

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  • Real Time Digital Signal Processing Adaptive filters are time varying, filter characteristics such as bandwidth and frequency response change with time. Thus the filter coefficients cannot be determined when the filter is implemented. The coefficients of the adaptive filter are adjusted automatically by an adaptive algorithm based on incoming signals. This has the important effect of enabling adaptive filters

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  • One of the earliest works on transformdomain adaptive filtering was published in 1978 by Dentino et al. [4], in which the concept of adaptive filtering in the frequency domain was proposed.

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  • In adaptive filtering, the least-mean-square (LMS) adaptive filter [1] is the most popular and widely used adaptive system, appearing in numerous commercial and scientific applications.

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  • The aim of this book is to provide an overview of recent developments in Kalman filter theory and their applications in engineering and scientific fields. The book is divided into 24 chapters and organized in five blocks corresponding to recent advances in Kalman filtering theory, applications in medical and biological sciences, tracking and positioning systems, electrical engineering and, finally, industrial processes and communication networks.

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  • The areas of adaptive filtering and change (fault) detection are quite active fields. both in research and applications . Some central keywords of the book are listed in Table 1.1, and the figures. illustrated in Figure 1.1, give an idea of the relative activity in the different areas . For comparison. the two related and well established areas of adaptive control and system identification are included in the table

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  • Digital filters, together with signal processing, are being employed in the new technologies and information systems, and are implemented in different areas and applications. Digital filters and signal processing are used with no costs and they can be adapted to different cases with great flexibility and reliability. This book presents advanced developments in digital filters and signal process methods covering different cases studies.

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  • An adaptive filter is a computational device that attempts to model the relationship between two signals in real time in an iterative manner.

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  • The noise is here assumed white with variance X, and will sometimes be restricted to be Gaussian. The last expression is in a polynomial form, whereas G, H are filters. Time-variability is modeled by time-varying parameters Bt. The adaptive filtering problem is to estimate these parametersb y an adaptive filter,

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  • The basic assumption in this part. signal estimationis. that them easurements gt consist of a deterministic component Ot ~ the signal ~ and additive white noise et. yt = Ot + et . Adaptive Filtering and Change Detection Fredrik Gustafsson Copyright © 2000 John Wiley & Sons, Ltd ISBNs: 0-471-49287-6 (Hardback); 0-470-84161-3 (Electronic) 58 On-line amroaches For change detection, this will be labeled as a change in the mean model.

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Mean-Square Performance Analysis of the Family of Selective Partial Update NLMS and Affine Projection Adaptive Filter Algorithms in Nonstationary Environment

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  • Adaptive filters are systems that adjust themselves to a changing environment. They are designed to meet certain performance specifications and are expected to perform reasonably well under the operating conditions for which they have been designed.

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  • One of the earliest andmost successful applications of adaptive filters is adaptive channel equalization in digital communication systems.

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  • Let us start with considering change detection in linear regressions as an offline problem. which will be referred to as segmentation . The goal is to find a Adaptive Filtering and Change Detection Fredrik Gustafsson Copyright © 2000 John Wiley & Sons, Ltd ISBNs: 0-471-49287-6 (Hardback); 0-470-84161-3 (Electronic) 232 Chanae detection b baanskes df il toenr sequence of time indices kn = (kl, k2, .., kn), where both the number n and the locations ki are unknown, such that a linear regression model with piecewise constant parameters,...

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  • Tham khảo tài liệu 'adaptive filtering applications part 11', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Hindawi Publishing Corporation EURASIP Journal on Advances in Signal Processing Volume 2011, Article ID 412036, 14 pages doi:10.1155/2011/412036 Research Article Performance of Post-Demodulator Adaptive Filters for FSK Signals in a Multipath Environment Shu-Ting Lee,1 Sally L. Wood,1 Michael J. Ready,2 and John R. Treichler2 1 Department 2 Corporate Of Electrical Engineering, Santa Clara University, Santa Clara, CA 95053, USA Division, Applied Signal Technology, Sunnyvale, CA 94086, USA Correspondence should be addressed to Shu-Ting Lee, slee1@scu.

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  • Tham khảo sách 'kalman filter recent advances and applications_1', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Tham khảo tài liệu 'adaptive filtering part 1', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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