digital signal processing extensions of the embedded riscs

... 570 The Family of Fourier Transforms 575 Why the Complex Fourier Transform is Used 577 Chapter 32 The Laplace Transform 581 The Nature of the s-Domain 581 Strategy of the Laplace ... by another factor of one-thousand in the next 15 years This tremendous power has changed the way science and engineering is done, and there is no better example of this than Digital Signal Processing ... 588 Analysis of Electric Circuits 592 The Importance of Poles and Zeros 597 Filter Design in the s-Domain 600 Chapter 33 The z-Transform 605 The Nature of the z-Domain...

Ngày tải lên: 13/09/2012, 10:21

... coefficients of the FIR filter This equation describes the output of the FIR filter as a convolution sum of the input with the impulse response of the system The transfer function of the FIR filter ... steady-state response of the filter Therefore they are called the steady-state specifications The speed of the response concerns the rate at which the filter reaches the steady-state response The transient ... and the overshoot shows if the output exceeds the desired output value The rise time, the settling time, and the overshoot specify the transient response of the filter in the time domain A digital...

Ngày tải lên: 23/10/2013, 22:15

... Scaling the magnitude response of the digital filter to approximate magnitude response of the analog filter requires the multiplication of H(z) by T The transfer function of the impulse-invariant digital ... …6:1:9† The roots of N(s) are the zeros of the transfer function H(s), while the roots of D(s) are the poles Example 6.2: The input signal x…t† ˆ eÀ2t u…t† is applied to an LTI system, and the output ... with the parameters The variation of any parameter in the direct-form realization will affect all the poles of H(z) Therefore the pole sensitivity of a parallel realization is less than that of the...

Ngày tải lên: 28/10/2013, 05:15

... in parentheses This first line distinguishes the function file from a script file The name of the function should match the name of the M-file If there is a conflict, it is the name of the M-file ... time-invariant system Let x(n) be the input sequence and y(n) be the output sequence of the system If h(n) is the impulse response of the system, the output signal of the system can be expressed as ... will read the data from the ASCII file with the name xn.dat in the disk into an array with the name xn To load the file xn.bin stored in the binary format into the array xn, we have to use the following...

Ngày tải lên: 25/01/2014, 19:20

... where the value to the right of the equal sign is assigned to the variable on the left The general form of the assignment statement is identifier ˆ expression; 473 A SIMPLE C PROGRAM where the ... and then the new value is used to evaluate the rest of the expression If the increment or decrement operator is in a postfix position, the old value of the identifier is used to evaluate the ... to specify the types of numbers that will be contained in variables There are several types of data used depending on the format in which the numbers are stored and the accuracy of the data In...

Ngày tải lên: 25/01/2014, 19:20

... APPENDIX D: ABOUT THE SOFTWARE input7_i.dat firlp256.dat firlp512.dat firlp8.dat firlp16.dat firlp32.dat firlp64.dat firlp128.dat firlp48.dat Chapter exp8a.c exp8b.c init.c random.c signal. c exp8.cmd ... 488 exp6c.c exp6d.c iir.c iir_i1.c iir_i2.c signal_ gen2.c exp6.cmd iirform2.asm sine.asm exam6_12.m exam6_13.m s671.m Chapter exp7a.c exp7b.c...

Ngày tải lên: 25/01/2014, 19:20

... input signal The resulting digital representation of the captured signal is then processed by a digital signal processor such as the C6x and then output through a digital- to-analog converter ... modems, and other devices These devices have also found their way into the university classroom, where they provide an economical way to introduce real-time digital signal processing (DSP) to the student ... C6x notation is used to designate a member of Texas Instruments’ (TI) TMS320C6000 family of digital signal processors The architecture of the C6x digital signal processor is very well suited for...

Ngày tải lên: 15/03/2014, 17:20

... to make recordings of the output signal of the device under test and the reference signal (input signal) at the entrance of the ear of the subjects and use these signals in the perceptual evaluation ... difference between the density functions of the input and the output therefore does not represent the loudness of the noise but the compressed loudness of the noise The relationship between the objective ... the long window type The right half has the value one for 1/3 of the length and the shape of the right half of a short window for 1/3 of the length The remaining 1/3 of the window is zero Thus,...

Ngày tải lên: 22/03/2014, 23:20

... defined, the sum of all of the values in the histogram must be equal to the number of points in the signal: EQUATION 2-5 The sum of all of the values in the histogram is equal to the number of points ... determined by: (a) the sum of the values in the histogram being equal to the number of samples in the signal; (b) the sum of the values in the pmf being equal to one, and (c) the area under the pdf curve ... acquire a signal of N samples from the process, and calculate the mean of the signal via Eq 2.1 You can then use this as an estimate of the mean of the underlying process; however, you know there...

Ngày tải lên: 31/03/2014, 22:20

... Initial value theorem x(0) limsAr(s) b Final value theorem x(oo) lim sX(s) s-*0 " Re[w] - c lies to the right of the poles of X} (w) and to the left of the poles of X2(s — w) h The poles of sX(s) ... frequencies of and Hz There is no chance of mistaking one of these analog waveforms for the other However, when they are sampled every ^ s, the situation changes dramatically because the cosine ... Convolution of Data Sequences This property states that the z-transform of the convolution of data sequences yields the product of the z-transforms of each sequence Let x(n) and y(n) be the sequences...

Ngày tải lên: 18/04/2014, 11:00

... observed that the two signals are displayed with the same label since the source of these signals, that is, the Sine terminal of the Simulate Signal Express VI, is the same Also, due to the autoscale ... Wire the generated waveform out of the signal out terminal of the Basic Function Generator VI to the x terminal of the Multiply function Also, wire the Gain control to the y terminal of the Multiply ... from the shortcut menu 36 Getting Familiar with LabVIEW: Part II The completed FP is shown in Figure 2-38 With this version of the VI, the frequency of the input signal and the gain of the output...

Ngày tải lên: 01/06/2014, 01:13

Ngày tải lên: 22/06/2014, 19:20

... defined, the sum of all of the values in the histogram must be equal to the number of points in the signal: EQUATION 2-5 The sum of all of the values in the histogram is equal to the number of points ... determined by: (a) the sum of the values in the histogram being equal to the number of samples in the signal; (b) the sum of the values in the pmf being equal to one, and (c) the area under the pdf curve ... acquire a signal of N samples from the process, and calculate the mean of the signal via Eq 2.1 You can then use this as an estimate of the mean of the underlying process; however, you know there...

Ngày tải lên: 28/06/2014, 06:20

... “Applications of Digital Signal Processing being published by InTech The field of digital signal processing is at the heart of communications, biomedicine, defense applications, and so on The field ... in the middle of the link, an optical phase conjugator inverts the frequency spectrum and phase of the distorted signals caused by chromatic dispersion As the signals propagate to the end of the ... combination of methods are presented A multi-tone NBI (an interfering signal composed of five sine-waves) is added to the OFDM signal One of the NBI tones is 10 dB stronger than the others The NBI...

Ngày tải lên: 28/06/2014, 08:20

... “Applications of Digital Signal Processing being published by InTech The field of digital signal processing is at the heart of communications, biomedicine, defense applications, and so on The field ... in the middle of the link, an optical phase conjugator inverts the frequency spectrum and phase of the distorted signals caused by chromatic dispersion As the signals propagate to the end of the ... combination of methods are presented A multi-tone NBI (an interfering signal composed of five sine-waves) is added to the OFDM signal One of the NBI tones is 10 dB stronger than the others The NBI...

Ngày tải lên: 28/06/2014, 14:20

... address ST, for the status of the CPU SP, the system stack pointer that contains the address of the top of the stack BK, to specify the block size of a circular buffer IE, IF, and IOF, for interrupt ... ASM ASM ASM ASM ASM ASM C C C C C CMD OUT OUT OUT OUT DAT DAT BAT BAS BAS COF COF COF COF COF COF COF COF COF COF COF 2383 2385 2147 3550 2016 16714 2233 1106 1509 713 1376 1091 3018 3113 3040 ... with the C62, was also announced in 1997; it is another member of the C6x family based on the VLIW architecture The TMS320C31 (C31), a general-purpose digital signal processor, is a member of the...

Ngày tải lên: 03/07/2014, 16:06

... input signal The resulting digital representation of the captured signal is then processed by a digital signal processor such as the C6x and then output through a digital- to-analog converter ... modems, and other devices These devices have also found their way into the university classroom, where they provide an economical way to introduce real-time digital signal processing (DSP) to the student ... C6x notation is used to designate a member of Texas Instruments’ (TI) TMS320C6000 family of digital signal processors The architecture of the C6x digital signal processor is very well suited for...

Ngày tải lên: 14/11/2014, 14:28

... of information technology Most of this technology is based on the theory of digital signal processing (DSP) and implementation of the theory by devices embedded in what are known as digital signal ... some other part(s) of the spectrum of a signal The vast literature on filters consists of two parts: (1) the theory of approximation to derive the transfer function of the filter such that the magnitude, ... 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, and the theory of discrete-time...

Ngày tải lên: 13/09/2012, 10:21

... some other part(s) of the spectrum of a signal The vast literature on filters consists of two parts: (1) the theory of approximation to derive the transfer function of the filter such that the magnitude, ... 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, and the theory of discrete-time ... obtained by increasing the number of bits to represent the coefficients of the filter transfer function and the values of the input signal Again we can increase the dynamic range of the signals and transfer...

Ngày tải lên: 29/09/2013, 21:20