06 Quantization of Discrete Time Signals
... has Z as its domain A discrete time, continuous amplitude signal has R as its range A discrete time, discrete amplitude signal has Z as its range Here, the focus is on discrete time signals Quantization ... continuous time, continuous amplitude signal If the range of x(t) is the set of integers Z, then x(t) is said to be a continuous time, discrete amplitude signal In contrast, a discrete time signal ... signals Quantization is the process of approximating any discrete time, continuous amplitude signal into one of a finite set of discrete time, continuous amplitude signals based on a particular distortion...
Ngày tải lên: 18/10/2013, 04:15
... microscopy analysis of cells treated with WP631 was performed at different times For the sake of comparison, Fig shows both phase contrast and fluorescence photographs of selected field of cells ... (E) Effect of WP631 on the number of viable cells determined by exclusion of Trypan blue dye Data are shown as a percent of the cells in untreated control cells and represent the means of three ... whether the time- dependent survival curves in presence of the drugs (Fig 2) were merely due to a slower absorption of WP631 Two approaches were used, which take advantage of the fluorescence of anthracyclines...
Ngày tải lên: 20/02/2014, 23:20
... in Signal Processing 0.025 0.02 0.02 0.015 0.015 Signal 0.03 0.025 Signal 0.03 0.01 0.01 0.005 0.005 0 −0.005 −0.005 −0.01 10 20 30 40 50 60 Time (scans) 70 80 −0.01 90 10 20 30 (a) 40 50 60 Time ... 0.49 10 20 30 40 50 60 Time (scans) Clean Noisy signal 70 80 10 90 20 30 40 50 60 Time (scans) Noise signal Clean 70 80 90 GLM SR-UKF Figure 6: Comparison between the BOLD signal estimates obtained ... values for our analysis of the real fMRI time series The initial prior parameters were set to within 10% of their true value used in assimilations Figure shows a representation of EURASIP Journal...
Ngày tải lên: 21/06/2014, 20:20
Báo cáo hóa học: " Research Article Stabilization of Discrete-Time Control Systems with Multiple State Delays" doc
... 521–542, 1999 10 E K Boukas, “State feedback stabilization of nonlinear discrete- time systems with time- varying time delay,” Nonlinear Analysis: Theory, Methods & Applications, vol 66, no 6, pp ... the global exponential stabilizability of discrete- time systems with time- delayed states Finally, as an application, we consider the global stabilization of the nonlinear control systems Preliminaries ... theorem for discrete- time systems,” IEEE e Transactions on Automatic Control, vol 41, no 6, pp 903–907, 1996 12 E N Chukwu, Stability and Time- Optimal Control of Hereditary Systems, vol 188 of Mathematics...
Ngày tải lên: 21/06/2014, 20:20
Báo cáo hóa học: " Research Article Absolute Stability of Discrete-Time Systems with Delay" pdf
... stability of time- dependent difference equations in Banach spaces,” Journal of the Institute of Mathematics and Its Applications, vol 14, no 3, pp 335–346, 1974 11 S Zhang, “Estimate of total stability ... 1988 M Vidyasagar, Nonlinear Syatems Analysis, Prentice-Hall, Englewood-Cliffs, NJ, USA, 1978 J Dibl´k and D Ya Khusainov, “Representation of solutions of discrete delayed system x k ı Ax k Bx ... stability of the system xn Axn−1 Bxn−k , 4.3 where A, B are m×m-matrices, xn ∈ Rm By means of a characteristic equation, they established many results concerning the stability of the solutions of such...
Ngày tải lên: 22/06/2014, 06:20
Báo cáo hóa học: " Research Article Performance Analysis of Space-Time Block Codes in Flat Fading MIMO Channels with Offsets" potx
... form of SIR than (20) and therefore, our analysis presents a comprehensive view of the behavior of STBC data in the presence of carrier offset Further, Manav R Bhatnagar et al the expression of ... D Hong, “Performance analysis of space -time block codes in time- varying Rayleigh fading channels,” in Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP ... resp.) view of the behavior of OSTBC imperfect knowledge of carrier offset in MIMO channels Figures and show the analytical and experimental, probability of error plots with different values of MSE...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Research Article Modelling and Comparative Performance Analysis of a Time-Reversed UWB System" doc
... effects of MUI on the expected performance of a time reversed system at 30 Mbit/s, Ns = 5, with a signal- to-noise ratio of 12 dB The addition of each user results in an increase in the level of MUI ... n(t), Figure 2: Time and frequency domain representations of a second derivative Gaussian monocycle with centre frequency of 3.9 GHz This time is adjusted to permit a portion of the multipath ... ANALYSIS Time- hopping code analysis With all users assumed to be transmitting the same level of energy, and influenced by the same channel model, the remaining influential factor on the level of...
Ngày tải lên: 22/06/2014, 19:20
ON MONOTONICITY OF SOLUTIONS OF DISCRETE-TIME NONNEGATIVE AND COMPARTMENTAL DYNAMICAL potx
... QG(x) ≤≤ 0, x ∈ R+ Then ˆ the discrete- time, nonlinear nonnegative dynamical system Ᏻ is partially monotonic with ˆ respect to x Proof The proof is similar to the proof of Theorem 3.2 with Proposition ... and QB ≤≤ are nonnegative Then the discrete- time, linear nonnegative dynamical system given by (2.1) is monotonic ˆ Proof The proof is a direct consequence of Theorem 3.2 with n = n and {k1 , ... ≤≤ Q ˆ Proof The proof is a direct consequence of Theorem 3.4 with n = n and {k1 , ,kn } = ˆ {1, ,n} Finally, we present a sufficient condition for weighted monotonicity for a discrete- time, linear...
Ngày tải lên: 23/06/2014, 00:20
Báo cáo toán học: "Maximizing the Stability Radius of Discrete-Time Linear Positive Systems by Linear Feedbacks" ppsx
... of interest to consider conditions of robust stability of a polytope of matrices It is well known that, in general, the stability of all vertex matrices is not sufficient for robust stability of ... Stability radii of linear discrete- time systems and symplectic pencils, Inter J Nonlinear and Robust Control, (1991) 79–97 11 D Hinrichsen and N K Son, Stability radii of positive discrete- time systems ... (Eds.) Control of Uncertain Systems, Vol of Progress in System and Control Theory, Birkh¨user, Basel, 1990, 119-162 a D Hinrichsen and A J Pritchard, On the Robustness of Stable Discrete- Time Linear...
Ngày tải lên: 06/08/2014, 05:20
Báo cáo y học: "Systems analysis of circadian time-dependent neuronal epidermal growth factor receptor signaling" pdf
... of EGFR signaling, two of them (Rorα and Rev-erb-alpha) are essential components of the circadian clock gene network in the SCN [22,38,39] Involvement of Rorα binding sites in the circadian time ... circadian time independent EGF responses These results suggest differential utilization of C/EBP TFs downstream of EGFR signaling in the SCN to achieve circadian time dependent and circadian time ... profile and the profiles of the CT-dependent EGF responsive gene group that was enriched for c-Ets1 related binding sites (p = × 10-4); between the C/EBPα expression profile and the profiles of...
Ngày tải lên: 14/08/2014, 16:21
Báo cáo y học: "Base relative quantification framework and software for management and automated analysis of real-time quantitative PCR data" potx
... formulas N, number of replicates i; g, number of genes j; c, number of IRCs m, m'; r, number of runs l, l'; s, number of samples k; f, number of reference genes p, p'; h, number of standard curve ... run and run Fold change is defined as the ratio of the geometric mean of the (C)NRQs of the IRCs in run and run For the calculation of the effects of inter-run calibration, NRQ values were retrieved ... provide experimental proof of the advantage of sample maximization over gene maximization with respect to reduction in variation, we designed and performed an experiment consisting of five different...
Ngày tải lên: 14/08/2014, 17:22
Adaptive neural network control of discrete time nonlinear systems
... formulations in continuous -time and discrete- time domains may describe two totally different systems Many properties in continuous -time domain may disappear in discrete- time domain, and vice versa ... continuous -time domain and discretetime domain can be summarized as follows: • In continuous -time domain, Lyapunov function is linear in the state derivative, however, in discrete- time domain, Lyapunov ... concepts in continuous -time and discrete- time domains may have different meanings For example, the relative degrees defined for continuous -time systems [65] and discrete- time systems have totally...
Ngày tải lên: 15/09/2015, 21:13
Performance analysis of space time block coded systems with channel estimation
... magnitudes of the time- orthogonal signal vectors 1.2 A LITERATURE REVIEW OF SPACE -TIME CODING become constants that are equal for all transmitter antennas In this regime, all of the signaling ... OF SPACE -TIME CODING Fig 1.1: Delay Diversity and Trellis Space -Time Code (Figure partially taken from [8]) the gain of STTC is achieved at the expense of a complex receiver Since the debut of ... BLAST signal processing algorithms used at the receiver are CHAPTER INTRODUCTION the heart of the technique At the bank of receiving antennas, high-speed signal processors look at the signals...
Ngày tải lên: 16/09/2015, 08:31
Analysis of financial time series
... Analysis of Financial Time Series Second Edition RUEY S TSAY University of Chicago Graduate School of Business A JOHN WILEY & SONS, INC., PUBLICATION Analysis of Financial Time Series ... grew out of an MBA course in analysis of financial time series that I have been teaching at the University of Chicago since 1999 It also covers materials of Ph.D courses in time series analysis ... complete list of the titles in this series appears at the end of this volume Analysis of Financial Time Series Second Edition RUEY S TSAY University of Chicago Graduate School of Business A...
Ngày tải lên: 05/03/2016, 13:14
Báo cáo hóa học: " Charge-Domain Signal Processing of Direct RF Sampling Mixer with Discrete-Time Filters in Bluetooth and GSM Receivers" docx
... in size while enabling the software-defined radio (SDR) of the future The organization of this paper is as follows Section presents discrete- time signal processing of the RF front-end mixer with ... Gq signal processing gains of the temporal moving average (TMA) (followed by decimation) are merely due to the sampling time interval expansion of this discrete- time system (the sampling rate of ... propagate, therefore it is of less importance for signal processing analysis The charge discrete signal processing gain of the second IIR stage is Frequency response of the temporal MA8, IIR−1,...
Ngày tải lên: 22/06/2014, 22:20
A CRITICAL DISCOURSE ANALYSIS OF MARTIN LUTHER KING’S SPEECH ‘BEYOND VIETNAM – a TIME TO BREAK SILENCE’
... constantly to the people of that peninsula I speak now not of the soldiers of each side, not of the ideologies of the Liberation Front, not of the junta in Saigon, but simply of the people who have ... man When I speak of love I am not speaking of some sentimental and weak response I am not speaking of that force which is just emotional bosh I am speaking of that force which all of the great religions ... Part of autopsy It It It Those of us… The weight of such a commitment to the life and health of America Another burden of responsibility I The Nobel Prize for Peace This It I The relationship of...
Ngày tải lên: 07/09/2013, 12:58
Time-Domain Analysis and z Transform
... 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 2.1.1 Models of the Discrete- Time ... 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 sampled ... operation carried out by digital signal processors in hardware and in the processing of digital signals by software The design of digital signal processors and the software to implement the convolution...
Ngày tải lên: 29/09/2013, 21:20
Tài liệu 77 Introduction to the TMS320 Family of Digital Signal Processors docx
... characteristics of the TMS320 family of Digital Signal Processors The TMS320 family includes several generations of programmable processors with several devices in each generation Since the programmable processors ... read in or write out the data Each of the two timers consists of a period register and a timer register At the beginning of the operation, the contents of the timer register are incremented at ... the shape of the signal is idealized ignoring rise and fall times FIGURE 77.1: Clock timing of the TMS320C25 CLKIN = external oscillator; CLKOUT = clock of the device Newer versions of the TMS320C25...
Ngày tải lên: 25/12/2013, 06:16
Tài liệu Báo cáo khoa học: Fluorescence analysis of the Hansenula polymorpha peroxisomal targeting signal-1 receptor, Pex5p pdf
... concluded from the structural model of the PTS1-binding C-terminal domain of HpPex5p (Fig 4) In this domain three of the seven Trp residues of HpPex5p are found However, of these three residues only ... FEBS 2003 4336 R Boteva et al (Eur J Biochem 270) Fig Model of the C terminal domain of HpPex5p Molecular model of the TPR domain of HpPex5p (residues 254568) complexed with the dansylated PTS1 ... 348.8 nm Analysis of the uorescence intensity decay and anisotropy decay was performed with a model of discrete exponentials using the TRFA Data Processing Package of the Scientic Software Technologies...
Ngày tải lên: 21/02/2014, 00:20
Tài liệu Báo cáo khoa học: Domain IV of mouse laminin b1 and b2 chains Structure, glycosaminoglycan modi®cation and immunochemical analysis of tissue contents pptx
... substitution of recombinant perlecan domain V correlated well with a comparable low rate of modi®cation of two tissue forms of perlecan [44] An extra cysteine (C3 at position 710) in domain b1IV ... levels of laminin c1 chains in EDTA/detergent extracts of various mouse tissues The content of b1 chains in these extracts exceeded the content of b2 by a factor of 5±20 The relative amounts of b2 ... small amount of secondary structure [41] Hexosamine analysis of b1IV monomer and dimer showed 5±6 residues of glucosamine and less than one galactosamine That Edman degradation of various proteolytic...
Ngày tải lên: 21/02/2014, 03:20