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

... resistor248 DESIGN AND IMPLEMENTATION OF IIR FILTERS 6.6.3 Software ImplementationsAs discussed in Chapter 1, the implementation of a digital filtering algorithm is oftencarried out on a general-purpose ... the fourth-order Butterworth IIR Table 6.3 List of floating-point C implementation of IIR filter/*exp6a.c À Direct-form II IIR function implementation in floating-point C and using signal generator*/#define ... 6:3 :15This condition can hold for lowpass and bandpass filters, but not for highpass and bandstop filters. MATLAB supports the design of impulse invariant digital filters through the func-tion...

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

... filterFigure 5.23 Magnitude responses of the desired and actual FIR filters 220 DESIGN AND IMPLEMENTATION OF FIR FILTERS aligned below it. This flip -and- slide form of linear convolution can be illustrated ... and stopband ripples, the area under208 DESIGN AND IMPLEMENTATION OF FIR FILTERS 5.2.2 Some Simple FIR Filters A multiband filter has more than one passband and stopband. A special case of themultiband ... 1. Thefrequency-sampling technique is particularly useful when only a small percentage of the214 DESIGN AND IMPLEMENTATION OF FIR FILTERS 5 Design and Implementation of FIR Filters A filter...

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

... Quantizing 16-bit data (top-left) into 12-bit (bottom-left), 8-bit (top-right), and 6-bit (bottom-right)Figure 3.20 Example of displaying graphic settings110DSP FUNDAMENTALS AND IMPLEMENTATION ... the performance of the digital filter implemented on the DSP hardwarewill be slightly different from its design specification. Design and implementation of digital filters for real-time applications ... example, the direct-form implementation of IIR filters is more sensitive to coefficient quantization errors than the cascade structureconsisting of sections of first- or second-order IIR filters. This...

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

... content of the waveform itself.7.1.2 Important Properties of DFTThe DFT is important for the analysis of digital signals and the design of DSP systems.Like the Fourier, Laplace, and z-transforms, ... displaying the spectrum [ ]and re1 []buffer.5. Profile the DSP run-time clock cycles for 128-point and 1024-point FFTs. Recordthe memory usage of the fixed-point functions bit_rev( )and fft().7.5.2 Experiment ... classes of FFT algorithms: decimation-in-time and decimation-in-frequency. In the decimation-in-time algorithm, the input time sequence is successivelydivided up into smaller sequences, and the...

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

... STUDIO191Introduction 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 ... circuit design would need to be changed. 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)Figure ... called companding (compressing and expanding). Forexample, the m-law (used in North America and parts of Northeast Asia) and A-law(used in Europe and most of the rest of the world) companding schemes...

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 LeeCopyright # 2001 John Wiley & Sons LtdISBNs: 0-4 7 0-8 413 7-0 (Hardback); 0-4 7 0-8 453 4-1 (Electronic)4. The ... 16-bitdata-write data buses (EB and FB) and two 24-bit data-write address buses (EAB and FAB). For a single 16-bit data write, only the EB is used. A 32-bit data write will useboth the EB and ... byexp2b_3.asm, and exp2b_4.asm.10. Use the profile capability learned from the experiments given in Chapter 1 tomeasure the run-time of the sum -of- product operations and compare the cycledifference of...

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

... case of analog aperiodic signals,the frequency analysis of discrete-timeaperiodic signals involves the Fourier transform of the time-domain signal. In previoussections,we have used the z-transform ... Algorithms, and Applica-tions,3rd Ed.,Englewood Cliffs,NJ: Prentice-Hall,1996.[7] A Bateman and W. Yates, Digital Signal Processing Design, New York: Computer Science Press,1989.[8] S. M. Kuo and ... in terms of frequency response. Converting the time-domain signals and systems into the frequency domain is extremely helpful in understanding the character-istics of both signals and systems.In...

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

... processing and analyzing them. 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)Since all ... independent zero-mean WSS random signals. The random signal w(n) is obtained byusingwnaxnbyn,where a and b are constants. Express rwwk, rwxk, and rwyk in terms of rxxk and ryyk.396ADAPTIVE ... implementing FIR and IIR filters for givenspecifications. Conventional FIR and IIR filters are time-invariant. Theyperform linearoperations on an input signal to generate an output signal based...

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

... input, the IIR filter will 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) and yxk ... minimized.The design of an adaptive echo canceler involves many considerations, such as thespeed of adaptation, the effect of near-end and far-end signals, the impact of signal levels and spectra, and ... end of the system, transmit and receive 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...

The Design and Implementation of a Log-Structured File System

... number of segments intomemory, identify the live data, and write the live data backto a smaller number of clean segments. After thisJuly 24, 1991 - 4 - The Design and Implementation of a Log-Structured ... understand the effects of ran-dom access patterns and locality, both of which can beexploited to reduce the cost of cleaning. The simulatormodels a file system as a fixed number of 4-kbyte files,with ... simulator overwritesone of the files with new data, using one of two pseudo-random access patterns:Uniform Each file has equal likelihood of beingselected in each step.Hot -and- cold Files are divided...

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