a taxonomy of digital signal processing dsp algorithms

... determined with a target signal that is a replica of the masker signal For target signals that are different from the masker signal (e.g a sine that masks a band of noise) the masked threshold ... Reverberation Algorithms This chapter is the first in a number of chapters devoted to the digital manipulation of music signals Digitally generated reverb was one of the first application areas of digital ... input signal energy System characterizations therefore not characterize the perceived quality of the output signal A disadvantage of the system characterization approach is that although the characterization...

Ngày tải lên: 22/03/2014, 23:20

... covariance matrix Permutation matrix Initial state covariance matrix State noise covariance matrix Measurement noise covariance matrix Rationalized Haar transform of size 2* Slant transform of size ... function of a digital filter Steady-state frequency domain magnitude response Spectral response (Chapter 3) Transfer function of individual quadratic blocks in a parallel realization of a digital filter ... I serve as editor of a handbook for digital signal processing, I was aware of the need for such a book in my work in the aerospace industry Specifically, I wanted basic digital signal processing...

Ngày tải lên: 18/04/2014, 11:00

... increases quadratically to see that, for a particular shape, the ratio A/ P should be the same at any scale This ratio can thus be used as a feature that is invariant under translation, rotation, and ... depth of the tree is no longer limited In Java, and similar imperative programming languages such as C and C++, local variables are automatically stored on the call stack at each procedure call and ... textbook Digital Image Processing: An Algorithmic Approach Using Java packages the original material into a series of compact volumes, thereby supporting a flexible sequence of courses in digital image...

Ngày tải lên: 05/06/2014, 12:06

... Muñoz and S Soto Aguilar Chapter A DSP Practical Application: Working on ECG Signal 153 Cristian Vidal Silva, Andrew Philominraj and Carolina del Río Chapter Applications of the Orthogonal Matching ... of Sofia Bulgaria Introduction 1.1 Complex DSP versus real DSP Digital Signal Processing (DSP) is a vital tool for scientists and engineers, as it is of fundamental importance in many areas of ... spectrum has an even real part and an odd imaginary part; conversely, the frequency spectrum of the imaginary part of the time domain signal xI(n) has an odd real part and an even imaginary part However,...

Ngày tải lên: 28/06/2014, 08:20

... Muñoz and S Soto Aguilar Chapter A DSP Practical Application: Working on ECG Signal 153 Cristian Vidal Silva, Andrew Philominraj and Carolina del Río Chapter Applications of the Orthogonal Matching ... of Sofia Bulgaria Introduction 1.1 Complex DSP versus real DSP Digital Signal Processing (DSP) is a vital tool for scientists and engineers, as it is of fundamental importance in many areas of ... spectrum has an even real part and an odd imaginary part; conversely, the frequency spectrum of the imaginary part of the time domain signal xI(n) has an odd real part and an even imaginary part However,...

Ngày tải lên: 28/06/2014, 14:20

... biggest advantage of a hardware implemented algorithm is the possibility of implementing parallel processing as compared to a sequentially process programming language An observation on LASCA algorithm ... signal readout chains are similar with the exception that more Analog-to -Digital Converters (ADCs) are used in the column-parallel architecture as compared to a single global ADC in the serial ... some algorithms The APS and DPS architectures have been used in these systems to extract the image data with additional analog and/or digital circuits to execute the algorithms Although there are...

Ngày tải lên: 16/09/2015, 12:42

... The above commands are examples of the MATLAB assignment statement, which consists of a variable name followed by an equal sign and the data values to assign to the variable The data values are ... The data is written in a special format that MATLAB can read Mat-files can be loaded into MATLAB with the load command Mex-files are MATLAB callable C programs with mex extension We not use and ... whereas an ASCII file contains information stored in ASCII characters Mat-files are preferable for data that is going to be generated and used by MATLAB programs Data saved in both the Mat-file and...

Ngày tải lên: 25/01/2014, 19:20

... One-dimensional array is declared as data_type array_name [ ] N; where the array_name is the name of an array of N elements of data type specified For example, float y [ ; 5] ARITHMETIC AND BITWISE OPERATORS ... the name and type of the variable A variable name is defined by declaring a sequence of characters (the variable identifier or name) as a particular predefined type of data C constants are specific ... and allows rounding of the floating variable z to an integer and stores it in y C.1.3 Arrays An array groups distinct variables of the same type under a single name A one-dimensional array can...

Ngày tải lên: 25/01/2014, 19:20

... sample The fundamental difference between describing the frequency of analog and digital signals is summarized in Table 3.1 Analog signal sampling implies a mapping of an infinite range of real-world ... the quantization experiment in real-time: (a) Generate an analog input signal, such as a sinewave, using a signal generator Both the input and output channels of the DSP are displayed on an oscilloscope ... saturation arithmetic and proper scaling (or constraining) signals at each node within the filter to maintain the magnitude of the signal 3.6.1 Saturation Arithmetic Most commercially available...

Ngày tải lên: 19/10/2013, 23:15

... relative importance of each band For example, there would be less ripples in the passband than in the stopband A variety of software packages are commercially available that have made digital ... lowpass filter that is non-causal and hence not physically realizable Instead we must compromise and accept a more gradual cutoff between passband and stopband, as well as specify a transition band ... "fir_coef") ; #pragma DATA_SECTION(x, "fir_data") ; #pragma DATA_SECTION(index, "fir_data") ; #pragma DATA_SECTION(out, "output") ; #pragma DATA_SECTION(in, "input") ; #pragma DATA_SECTION(input,...

Ngày tải lên: 23/10/2013, 22:15

... parallel realization of digital IIR filter The variation of parameters in a parallel form affects only the poles of the Hk …z† associated with the parameters The variation of any parameter in ... direct-form realization shown in Figure 6.15, the variation of one parameter will affect the locations of all the poles of H(z) In a cascade realization, the variation of one parameter will affect only ... …z†, and pairing means the grouping of poles and zeros of H(z) to form a section These different cascade realizations are mathematically equivalent In practice, each cascade realization behaves...

Ngày tải lên: 28/10/2013, 05:15

... considerations, such as the speed of adaptation, the effect of near-end and far-end signals, the impact of signal levels and spectra, and the impact of nonlinearity The echo canceler must accurately ... echo path and rapidly adapt to its variation This involves the selection of an adaptive filter structure and an adaptation algorithm Because the potential applications of echo cancellation are ... (1) Adaptation should be stopped if the far-end signal x(n) is absent (2) We must also worry about the quality of adaptation over the large dynamic range of far-end signal power (3) The adaptive...

Ngày tải lên: 06/11/2013, 18:15

... and matrices are often used in signal analysis to represent the state of a system at a particular time, a set of signal values, and a set of linear equations The vector concepts can be applied ... 2 A: 5b† A: 6a A: 6b† sin2 a ‡ cos2 a ˆ 1, A: 7a sin2 a ˆ ‰1 À cos… 2a Š, A: 7b† cos2 a ˆ ‰1 ‡ cos… 2a Š, A: 7c† eÆja ˆ cos a Æ j sin a, A: 8a ja …e À eÀja †, 2j A: 8b† sin a ˆ A: 8c† cos a ˆ ... comparison It is important to note that both the current i(t) and voltage v(t) can be considered as an analog signal x(t), thus the power of signal is proportional to the square of signal amplitude...

Ngày tải lên: 25/01/2014, 19:20

... Pulse Amplitude Modulation, Quadrature Amplitude Modulation Analog: An analog means the “same as” Therefore, as an example, an analog voltage for a sound signal means that the voltage has the same ... (or magnitude) of a signal at a specific time Prior to analog to digital conversion (ADC) the instantaneous amplitude will be given as a voltage value, and after the ADC, the amplitude of a particular ... Noise Cancellation Adaptive Noise Cancellation: See Adaptive Signal Processing, Noise Cancellation Adaptive Signal Processing: The discrete mathematics of adaptive filtering, originally based on...

Ngày tải lên: 07/03/2014, 20:20

... we attach an 8-bit analog-to -digital converter to a computer, and acquire 256,000 samples of some signal As an example, Fig 2- 4a shows 128 samples that might be a part of this data set The value ... such as under the ocean Chapter 1- The Breadth and Depth of DSP Image Processing Images are signals with special characteristics First, they are a measure of a parameter over space (distance), ... you want to find the mean and standard deviation of some process that generates signals Toward this end, you acquire a signal of N samples from the process, and calculate the mean of the signal...

Ngày tải lên: 18/04/2014, 12:32

... text Matlab CODE: The Matlab code to all the examples in the book as well as the code used to create many of the figures are available in the Matlab code section IMAGE DATABASE: The Matlab software ... image processing which aims to make the subject accessible and practical It is not a book about the Matlab programming language Although some prior knowledge of Matlab is an advantage and will make ... Engineering, Cranfield University, Bedfordshire, UK Fundamentals of Digital Image Processing Fundamentals of Digital Image Processing A Practical Approach with Examples in Matlab Chris Solomon School of Physical...

Ngày tải lên: 05/06/2014, 12:05

... algorithms automatically to an FPGA platform Compaan/Laura [18] automatically converts a Matlab loop program into a KPN network This process network can be transformed into a hardware/software system ... for data transformation and guards used in functionality conditions of the activation pattern, as well as the internal variables of the actor, and their initial values The values of the internal ... implements a seamless automatic design flow for digital signal processing systems to FPGAbased SoC platforms The key advantage of our proposed hardware/software codesign approach is the combination of...

Ngày tải lên: 22/06/2014, 19:20

... [3] D Anastassiou, DSP in genomics,” in Proc IEEE Int Conf Acoustics, Speech, Signal Processing, pp 1053–1056, Salt Lake City, Utah, USA, May 2001 [4] S Tiwari, S Ramachandran, A Bhattacharya, ... a value that approaches zero in a quadratic fashion as yT+G (p) approaches zero Noncoding regions in the window that have sample values less than Maxvalue are effectively suppressed Consider a ... with the creation of a new signal that encapsulates the entire DNA sequence uA+C+T+G (n) = auA (n) + cuC (n) + tuT (n) + guG (n), (4) where a, c, t, and g are real-valued parameters Strand symmetry...

Ngày tải lên: 23/06/2014, 01:20

... %tao ma tran B co chieu dai 3x3 C =A+ B %tong hai ma tran A va B C =A- B %hieu hai ma tran A va B C =A* B %tich hai ma tran A va B C =A/ B %hieu hai ma tran A va B D=diag (A) %trich duong cheo cua ma ... dụng thao tac ma trận cho bảng sau: Lệnh n=rank (A) x=det (A) x=size (A) x=trace (A) x=norm(v) C =A+ B C =A- B C =A* B C =A. *B C =A^ k C =A. ^k C =A C =A. /B C=inv (A) X =A\ B X=B \A x=linspace (a, b,n) x=logspace (a, b,n) ... ma tran A E=diag(B) %trich duong cheo cua ma tran B F=[D E] %ghep hai duong cheo vua trich ma tran moi D =A( 1:2,:) %trich hai dong dau cua ma tran A E=B(2:3,:) %trich hai dong cuoi cua ma tran B...

Ngày tải lên: 23/10/2014, 16:27

... Signal Processing In the early 1980s, DSP was taught as a graduate level course in electrical engineering A decade later, DSP had become a standard part of the undergraduate curriculum Today, DSP ... year of calculus This book was also written with the practicing professional in mind Many everyday DSP applications are discussed: digital filters, neural networks, data compression, audio and ... University); Rajiv Kapadia, Ph.D (Department of Electrical Engineering, Mankato State University); Dan King (Analog Devices, Inc.); Kevin Leary (Analog Devices, Inc.); A Dale Magoun, Ph.D (Department of...

Ngày tải lên: 13/09/2012, 10:21