frequency domain analysis in multimedia wiki
Frequency-Domain Analysis
... the research and developments in digital signal processingthat is instrumental in the extraordinary progress in the information technologythat we are witnessing.4 In practice, any given signal ... 4000 Hz is hence calledthe “folding frequency. ” In general, half the sampling frequency is known as thefolding frequency (expressed in radians per second or in hertz).4This author feels that ... result in deriving X3(ejω) above. The sequence x13(n) is plotted in Figure 3.13, while the plots of x1(n), x3(n) are shown in Figures 3.14 and 3.15,respectively. 148 FREQUENCY- DOMAIN ANALYSIS Suppose...
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Báo cáo hóa học: " Editorial Human-Activity Analysis in Multimedia Data" pdf
... Hindawi Publishing CorporationEURASIP Journal on Advances in Signal ProcessingVolume 2008, Article ID 293453, 2 pagesdoi:10.1155/2008/293453EditorialHuman-Activity Analysis in Multimedia ... and the information fromdifferent sensors in a multimodal system. Dimoulas et al., in the paper “Joint wavelet video denoising and motion activ-ity detection in multimodal human activity analysis: ... audio, motion, and accompanying text, andtypically hinges on a host of machine-learning methodolo-gies to handle the inherent variability and complexity of theensuing features. The computational...
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Báo cáo hóa học: " Research Article Robust Speech Watermarking Procedure in the Time-Frequency Domain" docx
... Time-varying filteringTime-varying filtering is used in order to obtain watermarkwith specific time -frequency properties as well as to providethe inverse transform from the time -frequency domain. In the ... inversemapping from the time -frequency domain. Additionally, areliable procedure for blind watermark detection is providedby modifying the correlation detector in the time -frequency domain. It ... content featurescombined with robust watermarking [7].The existing watermarking techniques are mainly basedon either the time or frequency domain. However, in bothcases, the time -frequency characteristics...
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Time-Domain Analysis and z Transform
... of these models in the z domain, we can derive the other models in the z domain and also the preceding models given in the time domain. It is veryimportant to know how to obtain any one model ... CHAPTER 2Time -Domain Analysis and z Transform2.1 A LINEAR, TIME-INVARIANT SYSTEMThe purpose of analysis of a discrete-time system is to find the output in eitherthe time or frequency domain of the ... d1d2x(n)(2.56)But remember that in general, it may not be so easy to obtain the single-input,single-output relationship from the many equations written in the time domain, by successive elimination. It is always...
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Tài liệu Báo cáo khoa học: Accessibility changes within diphtheria toxin T domain when in the functional molten globule state, as determined using hydrogen⁄deuterium exchange measurements pdf
... translocation domain (T domain) and the receptor-binding domain. The C and T domains remain covalently linked by adisulfide bond. Following binding to its cell-surfacereceptor, diphtheria toxin is internalized ... chain of58 kDa [1]. During cell intoxication, diphtheria toxinis cleaved by furin into two fragments: the A chaincorresponding to the catalytic domain (C domain) ;and the B chain corresponding ... deuterium; MG domain, molten globule domain; N, native; T domain, translocation domain. FEBS Journal 277 (2010) 653662 ê 2009 The Authors Journal compilation ª 2009 FEBS 653 can result in the formation...
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Tài liệu Scaling and Uncertainty Analysis in Ecology: Methods and Applications pdf
... extents, coarse-graining transferring information with increasing grain size, and fine-graining transferring information with decreasing grain size. Sometimes, upscaling and downscaling refer specifically ... downscaling, the two steps are disaggregating information and singling out (Figure 2.1). Disaggregating coarse-grained information is to derive the detailed pattern within a spatial domain (fine-graining) ... studies in scaling and uncertainty analysis that are relevant to ecology. The series of case studies included here illustrate how scaling and uncertainty analysis are being conducted in ecology...
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Tài liệu Risk Analysis in Investment Appraisalby doc
... should be incorporated into the test. Uncertainty analysis is the attainment of some understanding of the type and magnitude of uncertainty encompassing the variables to be tested, and using it ... uncertainty should not be included in the probabilistic analysis unless its impact on the project result, within the expected margins of uncertainty, is significant. The reason for including ... scenarios generated in the analysis. Decision criteria By using a discount rate that allows for risk, investment decision criteria normally used in deterministic analysis maintain their validity...
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Tài liệu RISK ANALYSIS IN FINANCE AND INSURANCE pdf
... an insurance company and investment portfolios 3.3.1 Mathematical appendix 53.4 Risks in traditional and innovative methods in life insurance3.5 Reinsurance risks 3.6 Extended analysis of insurance ... of optimal investment. In the previous sections we studied investment strategies (portfolios) from thepoint of view of hedging contingent claims. Another criterion for comparing invest-ment ... dollars) and invests the obtained 46.8 dollars in a bankaccount.Note that in both examples the ‘minimal hedging’ price coincides with the ‘risk-neutral’ price and they differ from the intuitive...
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Báo cáo khoa học: Eukaryotic class 1 translation termination factor eRF1 ) the NMR structure and dynamics of the middle domain involved in triggering ribosome-dependent peptidyl-tRNA hydrolysis pptx
... implicated in stop codon recognition[5–14]. The role of the middle (M) domain will bedescribed in detail below. The C domain of eRF1interacts with the C domain of eRF3 [15–18], and thebinding of ... chain release factor is a three -domain protein involved in the termination of translation, the final stage of poly-peptide biosynthesis. In attempts to understand the roles of the mid-dle domain ... spectroscopy;M -domain, eRF1 middle domain (or domain 2); PTC, peptidyl transferase center of the ribosome; R1, longitudinal or spin–lattice relaxationrate; R2, transverse or spin–spin relaxation...
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“Financial analysis in PetroVietnam Energy Technology Corporation (PVEIC)”
... effective financial analysis. Financial analysis means examining the overall financial situation of the business in a certain time.The financial analysis is particularly important in the management ... business as a basis for decision- making. The indicators reflecting corporate financial analysis quality are:- The quality of the input information.- The methods applying in appropriate analysis. - ... (operated in areas such as: manufacturing, tourism, travel, training, consulting ), the difference between business financial analysis of financial and non-financial enterprises is that the analysis...
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