signal processing fundamentals reconstruction

Ngày tải lên: 19/10/2013, 23:15

... 1 Telecommunications 4 Audio Processing 5 Echo Location 7 Imaging Processing 9 Chapter 2. Statistics, Probability and Noise 11 Signal and Graph Terminology 11 Mean and Standard Deviation 13 Signal vs. Underlying ... at: www.DSPguide.com Important Legal Information: Warning and Disclaimer This book presents the fundamentals of Digital Signal Processing using examples from common science and engineering problems. While the ... Fourier Transform Pairs 209 Chapter 12. The Fast Fourier Transform 225 Chapter 13. Continuous Signal Processing 243 DIGITAL FILTERS Chapter 14. Introduction to Digital Filters 261 Chapter 15. Moving...

Ngày tải lên: 13/09/2012, 10:21

... the advantages of digital signal processing instead of analog signal processing, even though digital signal processing requires more circuits compared to analog signal processing? x(n) y(n) z −1 z −1 z −1 ΣΣ Σ Σ Figure ... digital signal processing is restricted to approximately one megahertz, and analog signal processors are necessary for processing signals above that frequency, for example, processing of radar signals. ... which is a continuous-time signal, and a discrete-time signal. We dis- cussed the basic procedure followed to sample and quantize an analog signal ANALOG AND DIGITAL SIGNAL PROCESSING 25 different...

Ngày tải lên: 13/09/2012, 10:21

... signals were con- verted to sampled data signals by these filters and the signal processing was treated as analog signal processing. But later, the signals were transitioned as discrete-time signals, ... digital signal processing is restricted to approximately one megahertz, and analog signal processors are necessary for processing signals above that frequency, for example, processing of radar signals. ... Digital Signal Processing, Prentice-Hall, 1975. 9. E. C. Ifeachor and B. W. Jervis, Digital Signal Processing, Prentice-Hall, 2002. 10. V. K. Ingle and J. G. Proakis, Digital Signal Processing...

Ngày tải lên: 29/09/2013, 21:20

... abgetasteten Signal nur die Werte zu den Abtastzei- ten, gibt das Abtasttheorem Auskunft, ob alle Signalinformationen in den abgetasteten Werten enthalten sind oder nicht: Enthält ein Signal nur Signalanteile ... lediglich niedrigere Töne 66 Digital Signal Processing Kursteil 2: Abtasten und digitale Filtertechnik Nachdem wir in der letzten Folge das Abtasten von Signalen erklärt hatten, kommen wir diesmal ... nachzuvollziehen. Wird ein sinusförmiges Signal mit der Fre- quenz f 0 < f s /2 mit der Frequenz f s abgetastet, so entstehen bestimmte Abtastwerte. Jedes Signal mit den Frequenzen m·f s -...

Ngày tải lên: 16/10/2013, 01:15

... coding methods. 52.1.1 Signal Chain We assume a model where the input signal is properly bandlimited and digitized by an appropriate analog-to-digital converter. All subsequent processing in the encoder ... encoded/decoded signal and the original signal. Usually, distortion is measured by a single number for a given coder and bit rate. There are numerous ways of mapping an error signal onto a single ... statistical sense, the signal within each block completely. It is composed of the eigenvectors of the correlation matrix of the signal. This means that one either has to know the signal statistics...

Ngày tải lên: 17/10/2013, 11:15

... and Manolakis, D.J., Introduction to Digital Signal Processing, NewYork, Macmil- lan, 1988. [4] Oppenheim, A.V. and Schafer, R.W., Digital Signal Processing, Englewood Cliffs, NJ, Prentice- Hall, ... Speech, Signal Processing, ASSP-34, 807–815, Aug. 1986. [16] Bomar, B.W., Low-roundoff-noise limit-cycle-free implementation of recursive transfer func- tions on a fixed-point digital signal processor, IEEE ... the filter is 1/(1 −|a|) so limiting input signal amplitudes to |x(n)|≤1 −|a| will make overflows unlikely. An expression for the output roundoff noise-to -signal ratio can easily be obtained for...

Ngày tải lên: 17/10/2013, 11:15

... for Signal and Image Processing (CSIP) and teaches courses in signal processing and telecommunications. Dr. Williams has served as an Associate Editor of the IEEE Transactions on Signal Processing ... Moura 70 Space-Time Adaptive Processing for Airborne Surveillance Radar Hong Wang PART XIII Nonlinear and Fractal Signal Processing 71 Chaotic Signals and Signal Processing Alan V. Oppenheim ... Steven H. Isabelle and Gregory W. Wornell 73 Fractal Signals Gregory W. Wornell 74 Morphological Signal and Image Processing Petros Maragos 75 Signal Processing and Communication with Solitons Andrew...

Ngày tải lên: 17/10/2013, 12:15

... STUDIO 19 1 Introduction to Real-Time Digital Signal Processing Signals can be divided into three categories ± continuous-time (analog) signals, discrete-time signals, and digital signals. The signals that we encounter ... the input signal to DSP hardware may be a digital signal from other DSP systems. In this case, the sampling rate of digital signals from other digital systems must be known. The signal processing ... inter- changeably. Digital signal processing (DSP) is concerned with the digital representation of signals and the use of digital hardware to analyze, modify, or extract information from these signals. The...

Ngày tải lên: 17/10/2013, 14:15

... de-interlacing of the signal. The implication of GST is that it is possible to perfectly reconstruct a signal sampled at 1/n times the Nyquist rate if n independent sets of samples describe the signal. The ... Conversion Applied to Video Signals High-quality scanning format conversion is difficult to achieve, as the conditions of the sampling theorem are generally not met in video signals. The solution of ... problem occurs at the signal acquisition stage. Since scenes do occur with almost unlimited spatial and/or temporal bandwidth, the sampling theo- rem requiresthat this signal be low-pass filtered...

Ngày tải lên: 19/10/2013, 18:15

... least-squares linear signal restoration, J. Opt. Soc. Am., 73(11), 1455–1465, 1983. [27] Tom, V.T., Quatieri, T.F., Hayes, M.H. and McClellan, J.H., Convergence of iterative nonex- pansive signal reconstruction ... space-invariant image restoration, Multidim. Syst. and Signal Proc., 1(1), 143–177, 1990. [15] Rosenfeld, A. and Kak, A.C., Digital Picture Processing, Academic, New York, 1982. [16] Gennery, D.B., ... models, Sig. Processing, 16, 21–28, 1988. [41] Frieden, B.R., Restoring with maximum likelihood and maximum entropy, J. Opt. Soc. Am., 62(4), 511–518, 1972. [42] Gull, S.F. and Daniell, G.J., Image reconstruction...

Ngày tải lên: 19/10/2013, 18:15

... elements of a digital signal processing system. The analog signal is first converted to a discrete time signal by a sample and hold circuit. The FIGURE 5.1: Digital signal processing system. output ... oversampled delta-sigma converters. 5.2 Fundamentals of A/D and D/A Conversion The analog signal can be given as either a voltage signal or current signal, depending on the signal source. Figure 5.2 shows ... the front end and employ more digital signal processing in the later stages. High resolution conversions are achieved by trading off speed and digital signal processing complexity, both of which can...

Ngày tải lên: 19/10/2013, 18:15

... extraction of an SDTV signal from an HDTV signal is not simply a question of subsampling the HDTV signal; interpolation is needed to compute the values of the luminance signal at the missing ... Mersereau, R.M., Multidimensional Digital Signal Processing. Signal Pro- cessing Series, Prentice-Hall, Englewood Cliffs, NJ, 1984. [5] Dubois, E., The sampling and reconstructionoftime-varying imagery ... many(inessence)continuoussignals in adigital fashion. This means that we do not deal with these signals directly, but only with sampled versions of it: we only retain the values of these signals at a discrete...

Ngày tải lên: 19/10/2013, 18:15

... − 6t + 2t)e −2t =−2e −2t c  1999 by CRC Press LLC Recall that the exponential signal includes a large variety of signals, such as a constant (ζ = 0), a sinusoid (ζ =±jω), and an exponentially ... number of derivatives, this class of inputs includes a wide variety of the most commonly encountered signals in practice. Table 2.1 shows a variety of such inputs and the form of the particular solution...

Ngày tải lên: 19/10/2013, 20:15

... language tools such 40 INTRODUCTION TO TMS320C55X DIGITAL SIGNAL PROCESSOR 2 Introduction to TMS320C55x Digital Signal Processor Digital signal processors with architecture and instructions specifically ... other companies. DSP processors are widely used in areas such as communications, speech processing, image processing, biomedical devices and equipment, power electronics, automotive, industrial ... example for real-time DSP implementations, applications, and experiments. Real-Time Digital Signal Processing. Sen M Kuo, Bob H Lee Copyright # 2001 John Wiley & Sons Ltd ISBNs: 0-470-84137-0...

Ngày tải lên: 19/10/2013, 23:15

Ngày tải lên: 23/10/2013, 16:15

Ngày tải lên: 23/10/2013, 16:15

Ngày tải lên: 23/10/2013, 16:15

Ngày tải lên: 23/10/2013, 16:15