introduction to matlab for graduate research

... (.’ operator means to transpose a vector) - column vector • a = [1;2;3;4] - column vector – Semicolon means to move to the next row • You not have to specify how big the vector is first before you ... 2007 23 Vectors and Matrices – (2) • How you declare a vector / array in MATLAB? – C or Java way: int a[4] = {1, 2, 3, 4}; – MATLAB way: • a = [1 4] – row vector – Spaces mean to move to the next ... with 3, and stored back into sum • … and that’s it for this section… whew! ELE 532 – Signals and Systems MATLAB Tutorial Friday, September 14th, 2007 47 Outline of Tutorial – (1) • Introduction...

Ngày tải lên: 24/10/2014, 23:36

... Language (not discussed today) MATLAB Desktop Menu and toolbar Workspace History Command Matrices & Vectors (almost) • All • Easy to define: • >> A = [16 3; 10] A = Use ‘,’ or ‘ ’ to separate row 16 ... I/O • Matlab has a native file format to save and load workspaces Use keywords • and save In addition MATLAB knows a large number of popular formats Type listing • load “help fileformats” for a ... Outline • Introduction and where to get MATLAB • Data structure: matrices, vectors and operations • Basic line plots • File I/O Where to get MATLAB • FAS computing: – Download...

Ngày tải lên: 24/10/2014, 23:30

... standard pairs, and therefore, there is no need to use (2.4) to obtain the Inverse Laplace transform In our subsequent discussion, we will denote transformation from the time domain to the complex frequency ... Signals and Systems with MATLAB Applications, Second Edition Orchard Publications Chapter The Laplace Transformation his chapter begins with an introduction to the Laplace transformation, definitions, ... −10 −20 Figure 1.24 Waveform for Exercise 1-20 Signals and Systems with MATLAB Applications, Second Edition Orchard Publications Solutions to Exercises 1.10 Solutions to Exercises Dear Reader:...

Ngày tải lên: 19/01/2014, 18:20

... terminals We wish to describe v out in a math form for the time interval – ∞ < t < +∞ To this, it is convenient to divide the time interval into two parts, – ∞ < t < , and < t < ∞ For the time interval ... available with their solutions to those instructors who adopt this text for their class The chapter-end summaries will undoubtedly be a valuable aid to instructors for the preparation of presentation ... Fourier Transform 8-9 Fourier Transform Pairs of Common Functions 8-17 Finding the Fourier Transform from Laplace Transform 8-25 Fourier Transforms of Common Waveforms ...

Ngày tải lên: 19/01/2014, 18:20

Ngày tải lên: 21/02/2014, 05:20

... terminals We wish to describe v out in a math form for the time interval – ∞ < t < +∞ To this, it is convenient to divide the time interval into two parts, – ∞ < t < , and < t < ∞ For the time interval ... available with their solutions to those instructors who adopt this text for their class The chapter-end summaries will undoubtedly be a valuable aid to instructors for the preparation of presentation ... Fourier Transform 8-9 Fourier Transform Pairs of Common Functions 8-17 Finding the Fourier Transform from Laplace Transform 8-25 Fourier Transforms of Common Waveforms ...

Ngày tải lên: 08/04/2014, 10:28

... Appendix A is an introduction to MATLAB Appendix B is an introduction to Simulink, Appendix C contains a review of complex numbers, and Appendix D is an introduction to matrix theory New to the Second ... Trigonometric Form of Fourier Series for Common Waveforms 7−10 7.4.1 Trigonometric Fourier Series for Square Waveform 7−11 7.4.2 Trigonometric Fourier Series for Sawtooth Waveform 7−14 ... Transform of a Triangular Waveform 2−24 2.4.4 The Laplace Transform of a Rectangular Periodic Waveform 2−25 2.4.5 The Laplace Transform of a Half−Rectified Sine Waveform 2−26 Using MATLAB...

Ngày tải lên: 08/04/2014, 10:28

... people quite a while to get comfortable with these operations, as people's intuition is often for the multiplication by an amount greater than one to dilate and less than one to compress f (at) ... origin; however, it does not need to be dened here as it does not matter in signal theory The step function is a useful tool for testing and for dening other signals For example, when dierent shifted ... Function to discrete-time becomes quite trivial All we really need to realize is that integration in continuous-time equates to summation in discrete-time Therefore, we are looking for a signal...

Ngày tải lên: 22/12/2013, 12:16

... discrete-time sequence obtained by uniform sampling of x(t) with a sampling interval of ( a ) 0.25 s, ( b ) 0.5 s, and (c) 1.0 s It is easier to take the graphical approach for this problem The signal ... order for x[n] to be periodic with period N, one needs + N ] =x,[n + N ]+ x [ n + N ] = x , [ n + mN,] +x,[n + kN2] x[n Thus, we must have mN, = kN2 = N Since we can always find integers m and k to ... (1.78) then x(t) = 1, which is periodic for any value of T If o0# Eq (1.78) holds if , 27T m = positive integer ooT=m2r or T=ma0 Thus, the fundamental period To, the smallest positive T, of x(t)...

Ngày tải lên: 19/01/2014, 19:20

... Chapter Laplace Transform and Continuous-Time LTI Systems 3.1 Introduction 3.2 The Laplace Transform 3.3 Laplace Transforms of Some Common Signals 3.4 Properties of the Laplace Transform 3.5 The Inverse ... z-Transform 4.3 z-Transforms of Some Common Sequences 4.4 Properties of the z-Transform 4.5 The Inverse z-Transform 4.6 The System Function of Discrete-Time LTI Systems 4.7 The Unilateral z-Transform ... Various Transforms B.1 Continuous-Time LTI Systems B.2 The Laplace Transform B.3 The Fourier Transform B.4 Discrete-Time LTI Systems B.5 The z-Transform B.6 The Discrete-Time Fourier Transform B.7...

Ngày tải lên: 19/01/2014, 19:20

... discrete-time sequence obtained by uniform sampling of x(t) with a sampling interval of ( a ) 0.25 s, ( b ) 0.5 s, and (c) 1.0 s It is easier to take the graphical approach for this problem The signal ... order for x[n] to be periodic with period N, one needs + N ] =x,[n + N ]+ x [ n + N ] = x , [ n + mN,] +x,[n + kN2] x[n Thus, we must have mN, = kN2 = N Since we can always find integers m and k to ... (1.78) then x(t) = 1, which is periodic for any value of T If o0# Eq (1.78) holds if , 27T m = positive integer ooT=m2r or T=ma0 Thus, the fundamental period To, the smallest positive T, of x(t)...

Ngày tải lên: 19/01/2014, 20:20

... standard pairs, and therefore, there is no need to use (2.4) to obtain the Inverse Laplace transform In our subsequent discussion, we will denote transformation from the time domain to the complex frequency ... Signals and Systems with MATLAB Applications, Second Edition Orchard Publications Chapter The Laplace Transformation his chapter begins with an introduction to the Laplace transformation, definitions, ... −10 −20 Figure 1.24 Waveform for Exercise 1-20 Signals and Systems with MATLAB Applications, Second Edition Orchard Publications Solutions to Exercises 1.10 Solutions to Exercises Dear Reader:...

Ngày tải lên: 25/01/2014, 13:20

... terminals We wish to describe v out in a math form for the time interval – ∞ < t < +∞ To this, it is convenient to divide the time interval into two parts, – ∞ < t < , and < t < ∞ For the time interval ... available with their solutions to those instructors who adopt this text for their class The chapter-end summaries will undoubtedly be a valuable aid to instructors for the preparation of presentation ... Fourier Transform 8-9 Fourier Transform Pairs of Common Functions 8-17 Finding the Fourier Transform from Laplace Transform 8-25 Fourier Transforms of Common Waveforms ...

Ngày tải lên: 25/01/2014, 13:20

... consumption that is forecast for UWB devices and chipsets Chapter examines in detail how to generate basic pulse waveforms for UWB systems, for the simple Gaussian pulse shape An introduction to damped ... Communication Engineering’ will continue to prove a useful tool for many students and engineers to come to an understanding of the basic technologies for UWB In this book we focus on the basic ... 22 22 23 23 Generation of UWB waveforms 2.1 Introduction 2.1.1 Damped sine waves 2.2 Gaussian waveforms 2.3 Designing waveforms for specific spectral masks 2.3.1 Introduction 2.3.2 Multiband modulation...

Ngày tải lên: 25/01/2014, 17:20

Ngày tải lên: 21/02/2014, 09:20

... Chapter Laplace Transform and Continuous-Time LTI Systems 3.1 Introduction 3.2 The Laplace Transform 3.3 Laplace Transforms of Some Common Signals 3.4 Properties of the Laplace Transform 3.5 The Inverse ... z-Transform 4.3 z-Transforms of Some Common Sequences 4.4 Properties of the z-Transform 4.5 The Inverse z-Transform 4.6 The System Function of Discrete-Time LTI Systems 4.7 The Unilateral z-Transform ... Various Transforms B.1 Continuous-Time LTI Systems B.2 The Laplace Transform B.3 The Fourier Transform B.4 Discrete-Time LTI Systems B.5 The z-Transform B.6 The Discrete-Time Fourier Transform B.7...

Ngày tải lên: 15/05/2014, 10:55

... Define the MATLAB vector x l to represent xl[n] on the interval n 9, and the vectors h l and h2 to represent hl[n] and h2[n ]for n Also define nxl and n h l to be appropriate index vectors for these ... continuous-time or discrete-time index vector For instance, if you wanted to form a vector to represent x(t) = sin(nt/4) for -5 t 5, you could use the vector t defined in the previous paragraph ... strongly encouraged to work through the tutorial in the manual for the Student Edition of MATLAB This tutorial is not meant to replace the tutorial in the manual, but rather to illustrate how some...

Ngày tải lên: 29/06/2014, 09:20

... ví dụ mô tả to n học tín hiệu 1.1.2 Công suất lượng tín hiệu 1.1 TÍN HIỆU LIÊN TỤC VÀ RỜI RẠC 1.1.1 Những ví dụ mô tả to n học tín hiệu Vs Vc The variations over time of the applied force f and ... (camera, video) over time 1.1 TÍN HIỆU LIÊN TỤC VÀ RỜI RẠC: 1.1.1 Những ví dụ mô tả to n học tín hiệu Tín hiệu mô tả to n học hàm hay nhiều biến độc lập Hai loại tín hiệu bản: Tín hiệu liên tục tín ... tả to n học tín hiệu Vs Vc The variations over time of the applied force f and the resulting automobile velocity v Electrical signals Voltages and currents in a circuit Mechanical signals Velocity...

Ngày tải lên: 09/08/2014, 06:21

... available as glycerol stocks, plasmids and viruses Sabatini commented that while this effort is still incomplete, some functional categories (for example, transcription factors) are fairly comprehensively ... USA) described an ongoing effort to construct a transcriptional connectivity map for biomedical discovery, which relates microarray gene-expression profiles that are due to drug effects, disease, ... connectivity map Giulio Superti-Furga (CeMM Center for Molecular Medicine, Vienna, Austria) and one of us (N.K.) both described efforts to purify protein complexes for the entire proteome of Saccharomyces...

Ngày tải lên: 14/08/2014, 16:21