khối time varying analysis filter

Short term generation scheduling of cascaded hydro electric system using time varying acceleration coefficients PSO

Short term generation scheduling of cascaded hydro electric system using time varying acceleration coefficients PSO

... repulsion [21], Craziness [22, 23], Mutation [24], Time Varying Acceleration Coefficients [25, 26], Inertia weight variation [27, 28] In this paper Time Varying Acceleration Coefficients Particle Swarm ... traveling time between consecutive reservoirs Plant RABS MSP Travel time 62 hrs 17 hrs Plant ISP SSP Travel time hrs hrs Plant OSP Travel time hrs Table Hourly load demand (MW) Hour Load Demand 1350 ... discharge through plant at t δ Time delay between successive reservoirs ω Inertia weight factor , C2 Acceleration coefficients C1 C1 f , C1i , C2 f , C2i Time varying acceleration constants R1...

Ngày tải lên: 05/09/2013, 15:28

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Time-Domain Analysis and z Transform

Time-Domain Analysis and z Transform

... discrete -time systems Then, in the remainder of this chapter, we will discuss several ways of analyzing the discrete -time systems in the time domain, and in Chapter we will discuss frequency-domain analysis ... frequency response and time- domain response are used in the analysis of discrete -time systems and signal processing Our derivation of the z transform starts with a continuous -time signal that is ... in the time domain So it is the z-transform method that is the more powerful method for time- domain analysis To illustrate this method, let us transform the two equations above in the time domain...

Ngày tải lên: 29/09/2013, 21:20

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Forecasting UK GDP growth, inflation and interest rates under structural change: a comparison of models with time-varying parameters potx

Forecasting UK GDP growth, inflation and interest rates under structural change: a comparison of models with time-varying parameters potx

... TVP-VAR (General) Time Varying VAR with time varying degree of parameter drift TVP-VAR (Standard) Time- varying VAR with constant degree of parameter drift TVP-VAR (Homoscedastic) Time- varying VAR with ... Sunder-Plassmann (2010) use the time- vaying VAR model to capture the time- varying dynamics of UK macroeconomic and financial time series Relative to the regime-switching model, the time- varying VAR incorporates ... and time- varying dynamics As shown by Eickmeier et al (2011) for the United States, the time- varying FAVAR delivers superior forecasting performance than its fixed-coefficient counterpart and time- varying...

Ngày tải lên: 06/03/2014, 14:20

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Daily air pollution time series analysis of Isfahan City docx

Daily air pollution time series analysis of Isfahan City docx

... is time dependent or not is time series regression (Bowerman and O’Connell, 1993) The polynomial time regression between dependent variable, yt and time is written as follows: Time series analysis ... Standardized time series The above analysis will show us whether air pollutant are dependent on time or not but in air pollution time series analysis, it would be useful to find time periods ... 281 321 Time( Day) Time (Day) Time( Day) Time (Day) Fig 1: Time series plots of selected air pollutions (solid line) and fitted regression curves (dashed lines) 263 Daily air pollution time R...

Ngày tải lên: 15/03/2014, 20:20

9 453 0
Báo cáo " Stability Radii for Difference Equations with Time-varying Coefficients " ppt

Báo cáo " Stability Radii for Difference Equations with Time-varying Coefficients " ppt

... application to stability of delay equations, J Math Analysis Appl., 226(1998) 82 [7] D Hinrichsen, A Ilchmann, A.J Pritchard, Robustness of stability of time- varying linear systems, J Differential Equations, ... stability radius First, the notion of the stability radius introduced in [1, 2, 9] is extended to time- varying difference system (2) Definition 3.1 The complex (real) structured stability radius of ... Thus, rC = rR = 61 √ 97 + 8 −1 References [1] B Jacob, A formula for the stability radius of time- varying systems, J Differential Equations, 142(1998) 167 [2] D Hinrichsen, A.J Pritchard, Stability...

Ngày tải lên: 22/03/2014, 11:20

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handbook of time series analysis

handbook of time series analysis

... The Methods of Time- Series Analysis The Frequency Domain and the Time Domain Harmonic Analysis Autoregressive and Moving-Average Models Generalised Harmonic Analysis ... Filtering and Minimum-Phase Filters Linear-Phase Filters Locations of the Zeros of Linear-Phase Filters FIR Filter Design by Window Methods Truncating the Filter Cosine ... 483 487 492 D.S.G POLLOCK: TIME- SERIES ANALYSIS Design of Recursive IIR Filters IIR Design via Analogue Prototypes The Butterworth Filter The Chebyshev Filter The Bilinear...

Ngày tải lên: 27/05/2014, 02:44

808 1,7K 1
an introduction to state space time series analysis aug 2007

an introduction to state space time series analysis aug 2007

... crucial in time series analysis In the state equation, time dependencies in the observed time series are dealt with by letting the state at time t + be a function of the state at time t Therefore, ... third important application of time series analysis is the ability to predict or forecast (unknown) time series observations in the future This aspect of time series analysis is discussed in Chapter ... between the criterion variable and time will be drawn Time series analysis has the primary task to uncover the dynamic evolution of observations measured over time It is assumed that the dynamic...

Ngày tải lên: 10/06/2014, 21:34

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báo cáo sinh học:" Using nurses to identify HAART eligible patients in the Republic of Mozambique: results of a time series analysis" potx

báo cáo sinh học:" Using nurses to identify HAART eligible patients in the Republic of Mozambique: results of a time series analysis" potx

... proportion of these patients who were HAART-eligible at the time of their visit Only patients newly enrolling in the HIV clinics were included in this analysis Multivariate logistic regression was used ... Non-eligible HAART patient referrals to MD/MOs Available MD/MO appt time for HAART eligible patients % of MD/MO visits by HAART eligible patients Time to start HAART for eligible patients Monthly HAART enrollment ... were considered as covariates in adjusted analysis for each of the study questions, including the study site, the study month (a measure of the effect of time) , the number of monthly MD/MO visits...

Ngày tải lên: 18/06/2014, 17:20

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Báo cáo sinh học: " Determination of suitable housekeeping genes for normalisation of quantitative real time PCR analysis of cells infected with human immunodeficiency virus and herpes viruses" pdf

Báo cáo sinh học: " Determination of suitable housekeeping genes for normalisation of quantitative real time PCR analysis of cells infected with human immunodeficiency virus and herpes viruses" pdf

... for use as normalisers in QPCR we subjected the data to analysis using the GeNorm tool [13] (Table 2) Using the results from the GeNorm analysis it was possible to list the housekeeping genes ... 95°C for 15 seconds 55°C for 30 seconds and 72°C for 30 seconds Data analysis The ΔΔCT [23] method was used for initial data analysis Four biological replicates were used for each infection and ... IM, Arden KE, Nitsche A: Real -time PCR in virology Nucleic Acids Res 2002, 30(6):1292-1305 Pfaffl MW: A new mathematical model for relative quantification in real -time RT-PCR Nucleic Acids Res...

Ngày tải lên: 18/06/2014, 18:20

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Báo cáo sinh học: " Reference gene selection for quantitative real-time PCR analysis in virus infected cells: SARS corona virus, Yellow fever virus, Human Herpesvirus-6, Camelpox virus and Cytomegalovirus infections" doc

Báo cáo sinh học: " Reference gene selection for quantitative real-time PCR analysis in virus infected cells: SARS corona virus, Yellow fever virus, Human Herpesvirus-6, Camelpox virus and Cytomegalovirus infections" doc

... DNA for all viruses over time (table 1) Despite progressing viral replication, the expression of some of the reference genes remained constant, while other genes were varying in expression according ... http://www.virologyj.com/content/2/1/7 The respective MOI and time of cell culture are shown in table and were chosen to allow maximal infection as determined by immunofluorescence and real -time PCR [8-11] For kinetic studies, ... cells were harvested at several time points (table 1) and RNA was extracted The RNA transcription level of putative reference genes was determined by quantitative real -time PCR as described below...

Ngày tải lên: 18/06/2014, 22:20

5 452 0
báo cáo hóa học: "Transmembrane potential induced on the internal organelle by a time-varying magnetic field: a model study" pdf

báo cáo hóa học: "Transmembrane potential induced on the internal organelle by a time-varying magnetic field: a model study" pdf

... stimulation induced during the rise time (and decay time) during a step in the B field Indeed, rise times of the field affect stimulation in clinic practice, and a faster rise time pulse is more efficient ... the rising time of single pulses was ~100 μs during TMS This yielded the peak value of dB/dt = × 104T/s [45] Governing equations for potentials and electric fields induced by the time- varying magnetic ... the transmembrane potential in an internal organelle (i.e., mitochondrion) that is induced by a time- varying magnetic field The model was a two-shell cell structure, with the outer shell representing...

Ngày tải lên: 19/06/2014, 08:20

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báo cáo hóa học: " Fractal time series analysis of postural stability in elderly and control subjects" pot

báo cáo hóa học: " Fractal time series analysis of postural stability in elderly and control subjects" pot

... Sliding window effect The sliding window analysis was performed in order to identify the optimal time to start analysis As shown in figure 3, HS decreased with time for all displacement directions ... Fluctuation Analysis (DFA) Peng and colleagues [34] introduced another method of estimating the Hurst exponent specifically for biological time series data, which they termed Detrended Fluctuation Analysis ... Data analysis Centre of pressure data were calculated from the moment the second foot contacted the force plate (FC2) for all displacement directions The time FC2 occurred was calculated as time...

Ngày tải lên: 19/06/2014, 10:20

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Báo cáo hóa học: " Identifying time-varying channels with aid of pilots for MIMO-OFDM" potx

Báo cáo hóa học: " Identifying time-varying channels with aid of pilots for MIMO-OFDM" potx

... where the channel in the time domain is assumed to be a time- varying causal finite impulse response (FIR) filter with a maxi(m,n) mum order L Using hp,l to denote the time- domain channel gain ... index Because we will use an (O)CE-BEM with Q = and  = to fit a slower time- varying channel (υD = 8e-4) and a faster time- varying channel (υD = 4e-3), this pilot structure satisfies the ‘optimal’pilot ... samples in this section It is nonetheless noteworthy that in the context of timevarying channels, the channel coherence time is rather short, which means that we cannot utilize an infinite number...

Ngày tải lên: 20/06/2014, 22:20

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Báo cáo hóa học: "Research Article µ-Stability of Impulsive Neural Networks with Unbounded Time-Varying Delays and Continuously Distributed Delays" doc

Báo cáo hóa học: "Research Article µ-Stability of Impulsive Neural Networks with Unbounded Time-Varying Delays and Continuously Distributed Delays" doc

... derivative of time- varying delay and the delay kernels hj , j ∈ Λ, and independent of the range of time- varying delay Thus, it can be applied to impulsive neural networks with unbounded time- varying ... with unbounded time- varying delays Moreover, few results have been reported in the literature concerning the problem of μ-stability of impulsive neural networks with unbounded timevarying delays ... of impulsive neural networks with unbounded time- varying delays and continuously distributed delays Based on Lyapunov-Krasovskii functional and some analysis techniques, several sufficient conditions...

Ngày tải lên: 21/06/2014, 05:20

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Báo cáo hóa học: " Editorial Time-Frequency Analysis and Its Applications to Multimedia Signals" pptx

Báo cáo hóa học: " Editorial Time-Frequency Analysis and Its Applications to Multimedia Signals" pptx

... In order to characterize the time- varying spectral content of speech signals, the S-method-based time- frequency analysis has been considered in the paper entitled “Timefrequency-based speech regions ... algorithms and (2) time- frequency-based algorithms for data analysis, classification, and compression In the first four papers, different time- frequency-based watermarking procedures for multimedia data ... in the paper Time- frequency and time- scale-based fragile watermarking methods for image authentication” by B Barkat and F Sattar The first method is based on the time- frequency analysis EURASIP...

Ngày tải lên: 21/06/2014, 05:20

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Báo cáo hóa học: " Research Article Parametric Time-Frequency Analysis and Its Applications in Music Classification" pdf

Báo cáo hóa học: " Research Article Parametric Time-Frequency Analysis and Its Applications in Music Classification" pdf

... Different analysis techniques to decompose signals into TF atoms (or basis functions) have been developed Fourier analysis and wavelet transform are the most common examples of such signal analysis ... Conference on Multimedia and Expo, vol 1, pp 97–100, 2002 [13] S Esmaili, S Krishnan, and K Raahemifar, “Content based audio classification and retrieval using joint time- frequency analysis, ” in ... Gaussian functions have better time- frequency localization than wavelet packets Since the expansions are not constrained to orthonormal bases, MP is better adapted to the time- frequency localization...

Ngày tải lên: 21/06/2014, 08:20

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