Real-Time Digital Signal Processing - Chapter 7: Fast Fourier Transform and Its Applications

... 7 Fast Fourier Transform and Its Applications Frequency analysis of digital signals and systems was discussed in Chapter 4. To per- form frequency analysis on a discrete-time signal, we ... circular-shifted N-periodic sequence by m samples are a linear shift of X(k)byW mk N . 310 FAST FOURIER TRANSFORM AND ITS APPLICATIONS DFT and z -transform Consider a sequence x(n) having the z -transform ... for DSP implementations. Real-Time Digital Signal Processing. Sen M Kuo, Bob H Lee Copyright # 2001John Wiley & Sons Ltd ISBNs: 0-4 7 0-8 413 7-0 (Hardback); 0-4 7 0-8 453 4-1 (Electronic) 7.1.1 Definitions...

Real-Time Digital Signal Processing - Chapter 1: Introduction to Real-Time Digital Signal Processing

... 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 ... of Real-Time DSP Systems There are two types of DSP applications ± non -real-time and real time. Non -real-time signal processing involves manipulating signals that have already been collected and ... use digital filters. 10 INTRODUCTION TO REAL-TIME DIGITAL SIGNAL PROCESSING Analog input − Σ Sigma Delta 1-bit B-bit 1-bit DAC 1-bit ADC ∫ + Digital decimator Figure 1.6 A block of a sigma-delta...

Real-Time Digital Signal Processing - Chapter 2: Introduction to TMS320C55x Digital Signal Processor

... applications, and experiments. Real-Time Digital Signal Processing. Sen M Kuo, Bob H Lee Copyright # 2001 John Wiley & Sons Ltd ISBNs: 0-4 7 0-8 413 7-0 (Hardback); 0-4 7 0-8 453 4-1 (Electronic) The C55x ... (IU) Two 24-bit data-write address buses (EAB, FAB) 24-bit program-read address bus (PAB) 32-bit program-read data bus (PB) Three 16-bit data-read data buses (BB, CB, DB) Three 24-bit data-read address ... data and one coefficient. The data-write operations are carried out using two 16-bit data-write data buses (EB and FB) and two 24-bit data-write address buses (EAB and FAB). For a single 16-bit...

Real-Time Digital Signal Processing - Chapter 3: DSP Fundamentals and Implementation Considerations

... or random. Deterministic signals are used Real-Time Digital Signal Processing. Sen M Kuo, Bob H Lee Copyright # 2001 John Wiley & Sons Ltd ISBNs: 0-4 7 0-8 413 7-0 (Hardback); 0-4 7 0-8 453 4-1 (Electronic) ... understanding the materials presented in subsequent sections and later chapters. 3.1.1 Elementary Digital Signals There are several ways to describe signals. For example, signals encountered in com- ... should be used for non-stationary signals for better results. In many real-time applications, the square of signal x 2 n used in (3.2.10) and (3.2.11a) can be replaced with its absolute value...

Real-Time Digital Signal Processing - Chapter 4: Frequency Analysis

... z -Transform Continuous-time signals and systems are commonly analyzed using the Fourier transform and the Laplace transform (will be introduced in Chapter 6). For discrete-time systems,the transform ... Laplace transform is the z -transform. The z -transform yields a frequency-domain description of discrete-time signals and systems, and provides a powerful tool in the design and implementation of digital ... time-domain signals and systems into the frequency domain is extremely helpful in understanding the character- istics of both signals and systems. In Section 4.1,the Fourier series and Fourier transform...

Real-Time Digital Signal Processing - Chapter 5: Design and Implementation of FIR Filters

... briefly introduced in Chapter 6. Real-Time Digital Signal Processing. Sen M Kuo, Bob H Lee Copyright # 2001 John Wiley & Sons Ltd ISBNs: 0-4 7 0-8 413 7-0 (Hardback); 0-4 7 0-8 453 4-1 (Electronic) 5.1.1 ... c and 0 !<! c are referred to as the passband and stopband, respec- tively. A highpass filter passes all high-frequency components above the cut-off frequency ! c and attenuates all low-frequency ... c and !>! c are referred to as the passband and stopband, respec- tively. The frequency that separates the passband and stopband is called the cut-off frequency ! c . An ideal lowpass filter...

Real-Time Digital Signal Processing - Chapter 6: Design and Implementation of IIR Filters

... possesses a Fourier Real-Time Digital Signal Processing. Sen M Kuo, Bob H Lee Copyright # 2001 John Wiley & Sons Ltd ISBNs: 0-4 7 0-8 413 7-0 (Hardback); 0-4 7 0-8 453 4-1 (Electronic) transform. ... from the s-plane into the z- plane. The Laplace transform will be introduced in Section 6.1 and the analog filter will be discussed in Section 6.2. The impulse-invariant and bilinear -transform ... z -transform of the discrete-time signal x(nT). Thus the z -transform can be viewed as the Laplace transform of the sampled function x(t) with the change of variable z  e sT . As discussed in Chapter...

Real-Time Digital Signal Processing - Chapter 8: Adaptive Filtering

... review theimportant properties of the random processes and introduce fundamental techniquesfor processing and analyzing them. Real-Time Digital Signal Processing. Sen M Kuo, Bob H LeeCopyright ... randomsignals are speech, music, and noises. These signals cannot be reproduced and need tobe modeled and analyzed using statistical techniques. We have briefly introducedprobabilityand random ... development and application of hands-free and voice-activated cellular phones.Single-channel noise reduction methods involve Wiener filtering, Kalman filtering, and spectral subtraction. In the dual-channel...

Real-Time Digital Signal Processing - Chapter 9: Practical DSP Applications in Communications

... effect of near-end and far-end signals, the impact of signal levels and spectra, and the impact of nonlinearity. The echo canceler must accuratelymodel the echo path and rapidly adapt to its variation. ... networks and hands-free telephones. For a full-duplex telephone communica-tion, there exists the near-end and far-end data echoes. The adaptive data echo canceler436PRACTICAL DSP APPLICATIONS ... filters are used to remove the out-of-band signals. The transmit filter and receive filter shown in Figure 9.22 are chosen tobe square-root raised-cosine pulse-shape frequency response FIR filters....

Tài liệu Real-Time Digital Signal Processing - Appendix B: Introduction of MATLAB for DSP Applications docx

... row vectors n and xn as follows: Real-Time Digital Signal Processing. Sen M Kuo, Bob H LeeCopyright # 2001 John Wiley & Sons LtdISBNs: 0-4 7 0-8 413 7-0 (Hardback); 0-4 7 0-8 453 4-1 (Electronic)n ... command allows us to split the graph window into sub-windows. Thepossible splits can be either two sub-windows or four sub-windows. Two windowscan be arranged as either top -and- bottom or left -and- right. ... ± deconvolutionfft ± fast Fourier transform ifft ± inverse fast Fourier transform In addition, the Signal Processing Toolbox provides many additional signal- processing functions.References[1]...

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