1 xilinx system generator user s guide downloadable from http www xilinx com

Thực thi và đánh giá thuật toán tách biên ảnh trên FPGA

Ngày tải lên : 24/06/2016, 22:44

... xc5vlx 110 t1ff 113 6 3 01 Virtex6 Lower Power xc6vsx 315 tl-1lff 115 6 208 782 782 782 0 LUTs 656 658 662 IOBs 16 16 16 DSP4 8s 18 18 18 TBUFs 0 Slices FFs BRAMs Bảng 4.2: Ước lượng tài nguyên Sobel edge ... GIÁ Sobel Spartan 3A-DSP xc3sd3400a-4fg676 486 Virtex5 xc5vlx 110 t1ff 113 6 252 Virtex6 Lower Power xc6vsx 315 tl-1lff 115 6 206 774 458 774 0 LUTs 648 496 669 IOBs 16 16 16 DSP4 8s 18 18 TBUFs 0 Slices ... xc5vlx 110 t-1ff 113 6 Do System Generator chưa có s n Virtex5 xc5vlx 110 t-1ff 113 6 nên ta phải tự xây dựng cụ thể sau: + Đầu tiên ta thực thao tác hình vẽ: Hình 4.3: Thiết lập KIT chưa có XSG Trang...

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Mathematical Summary for Digital Signal Processing Applications with Matlab pdf

Ngày tải lên : 07/03/2014, 13:20

... 10 12 12 12 13 13 13 13 14 14 14 14 14 15 20 21 21 21 21 22 22 24 25 25 26 26 27 27 xi xii Contents 1. 15 Solutions for the System of Linear Equation [A] x D b 1. 15 .1 Trick ... b23 and 3, respectively b 31 b32 b33 Let the matrix C D AB " a 11 b 11 C a12 b 21 C a13 b 31 D a 21 b 11 C a22 b 21 C a23 b 31 a 11 b12 C a12 b22 C a13 b32 a 11 b13 C a12 b23 C a13 b33 a 21 b12 C a22 b22 ... and as C 1/ 1 Ä 32 Thus the vector is represented as the following 415 4 1 Â D D Ä ) Ä 1C6 32 1 54 1 Ä C 1/ Ä Ä 1 1 Ä Ä Ã Â C6 1 C1 15 Ä 1C6 1/ 32 0 ;4 D Ä Ä 1 1 Ä 32 Ä C 1/ 15 54 1 D 11 32...

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algorithm collections for digital signal processing applications using matlab - e.s. gopi

Ngày tải lên : 08/04/2014, 09:57

... ‘ 010 10’,’ 010 11 ] C2 = [ 11 111 ’, ‘ 010 11 , 10 100’] After Crossover C1 = [ 10 1 01 ,’ 010 10’,’ 011 00’] C2 = [ 11 111 ’,’ 010 11 , 10 011 ’] Note that the crossover point is selected by combining all the binary string ... 13 5 13 8 14 0 14 1 14 1 14 3 14 5 14 6 14 7 14 9 15 0 15 1 15 2 15 2 15 3 15 5 15 6 15 6 15 8 16 0 16 5 16 6 16 6 16 7 16 9 Contents Detecting Photorealistic Images using ICA Basis 8 -1 Approach 8 -1- 1 To classify the new ... 10 3 10 3 10 4 10 7 10 7 10 8 10 9 11 1 11 3 11 5 11 7 11 7 11 8 11 9 x Contents 14 Wavelet Transformation Using Matrix Method 14 -1 Haar Transformation 14 -1- 1 Example 14 -1- 2 M-file for haar forward and inverse...

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Báo cáo hóa học: " Research Article A SystemC-Based Design Methodology for Digital Signal Processing Systems" potx

Ngày tải lên : 22/06/2014, 19:20

... issues arising during our proposed design ﬂow Section discusses the input format based on SystemC called SysteMoC SysteMoC is a library based on SystemC that allows to describe and simulate communicating ... EURASIP Journal on Embedded Systems Scale1 AddSub3 AddSub4 AddSub8 Sink × ToBlock i1 AddSub7 Fly2 o1 AddSub6 Fly1 i1–8 o1–8 Clip i1–8 i1–8 IDCT-1D2 o1–8 o1–8 i9 AddSub2 Scale2 AddSub1 i1–8 IDCT-1D1 ... previously SysteMoC is a C++ class library based on SystemC which provides base classes for actors and network graphs as well as operators for declaring ﬁring FSMs for these actors In SysteMoC,...

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Digital signal processing for front end non idealities in coherent optical OFDM system

Ngày tải lên : 09/09/2015, 11:06

... various dispersion values (0, 17 00 ps/nm, 17 000 ps/nm) using Schmidl/Moose 65 3 .10 Simulation curves for estimation variance versus SNR under various dispersion values (0, ... Rx lasers OFDM system is hundreds or thousands times more sensitive to CFO and LPN than the single carrier system with the same bit rate, due to its longer symbol duration IQ mismatch is caused ... e−j2πkn/N (2 .19 ) n=Ncp An OFDM frame usually consists of several training symbols (1- 3) and data symbols (30-50) The impulse response is usually assumed to vary slowly so that it is constant over...

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

Ngày tải lên : 28/10/2013, 05:15

... lowpass filter transfer functions L H (s) 1 s 1 s2 p 2s s 1 s2 s 1 s2 0:765 3s 1 s2 1: 847 7s 1 252 DESIGN AND IMPLEMENTATION OF IIR FILTERS 1 s À s1 s À s2 s À s3 ... this section demonstrate DSP system design process using an IIR filter as example We will also discuss some practical considerations for real-time applications As shown in Figure 1. 8, a DSP system ... s 2 s 3 From (6 .1. 8), we obtain H s Y s s 2 s 2 1 À : X s s 1 s 3 This transfer function can be written as H s s2 6s 1 1 : s 1 s 3 s 1 s 3 From Table 6 .1, we have ht...

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

Ngày tải lên : 25/01/2014, 19:20

... avoid loops is to use MATLAB functions as often as possible The details of user- written functions will be presented in Section B.4 Two sequences x1 n and x2 n can be added sample-by-sample to ... as yn 1. 5*xn; Consider the discrete-time linear 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, ... system, the output signal of the system can be expressed as yn I X kÀI xkhn À k I X hkxn À k: B:4 kÀI As discussed in Chapter 3, a digital system is called a causal system if hn...

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Tài liệu Real-Time Digital Signal Processing - Appendix C: Introduction of C Programming for DSP Applications ppt

Ngày tải lên : 25/01/2014, 19:20

... system passes the strings on the command line to main More precisely, the operating system stores the strings on the command line in memory and sets argv [ ]to the address of the first string (firfltr), ... maintaining complicated DSP software for new readers, even for the original programmers after time has passed The preprocessor is the first pass of the C compiler It reads in C source files as input ... Statements A Figure C.3 Statements B Flowchart for if/else statement switch(integer expression) { case constant _1: statements; break; case constant_2; statements; break; default: statements; } Program...

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Digital Signal Processing Using MATLAB for Students and Researchers ppt

Ngày tải lên : 29/03/2014, 10:20

... processing—the impulse response is that response produced by a system (in this case, the electroacoustic system) as a result of a single pulse In most www. it-ebooks.info c 01. indd 4 /13 /2 011 5:20:44 ... provides a more natural interface to computer systems and information retrieval systems (such as telephone voice-response systems) www. it-ebooks.info c 01. indd 4 /13 /2 011 5:20:44 PM CHAPTER WHAT IS SIGNAL ... Generation 10 5 Statistical Parameters 10 6 Probability Functions 10 8 Common Distributions 11 2 Continuous and Discrete Variables 11 4 Signal Characterization 11 6 Histogram Operators 11 7 Median Filters 12 2...

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smith, s. w. (2003) digital signal processing - a practical guide for engineers and scientists

Ngày tải lên : 18/04/2014, 12:32

... Analysis of Recursive Systems 610 Cascade and Parallel Stages 616 Spectral Inversion 619 Gain Changes 62 Chebyshev-Butterworth Filter Design 623 The Best and Worst of DSP 630 Glossary 6 31 ... In most cases, these signals originate as sensory data from the real world: seismic vibrations, visual images, sound waves, etc DSP is the mathematics, the algorithms, and the techniques used ... kilometers is typical In comparison, passive sonar simply listens to underwater sounds, which includes: natural turbulence, marine life, and mechanical sounds from submarines and surface vessels Since...

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iee tutorial meetingon digital signal processing for radarand sonar applications

Ngày tải lên : 27/05/2014, 02:44

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Báo cáo hóa học: " A Digital Signal Processing Method for Gene Prediction with Improved Noise Suppression" ppt

Ngày tải lên : 23/06/2014, 01:20

... on Signals, Systems, and Computers, pp 306– 310 , Paciﬁc Grove, Calif, USA, November 2002 [3] D Anastassiou, “DSP in genomics,” in Proc IEEE Int Conf Acoustics, Speech, Signal Processing, pp 10 53 10 56, ... two-symbol signal and for a four-symbol signal The method proposed in this section is then used to process gene F56F 11. 4 in the C-elegans chromosome III over the base numbers 70 21 to 15 080 (see ... present from 929 to 11 35 but its small peak is obscured by 1/ f DNA background noise (The work presented in [15 , 16 , 17 ] observes the presence of 1/ f background noise in DNA sequences.) The...

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Digital Signal Processing System Design ppt

Ngày tải lên : 02/07/2014, 23:21

... necessary tools and know-how for designing signal processing systems within a one-semester lab course This book can also be used as a self-study LabVIEW guide toward designing and analyzing signal ... actual DSP processor The DSP processor chosen is TMS320C6000 This processor has been manufactured by Texas Instruments (TI) for computationally intensive signal processing applications The DSP hardware ... DSPs) Nowadays, DSP systems such as cell phones and high-speed modems have become an integral part of our lives In general, sensors generate analog signals in response to various physical phenomena...

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Digital Signal Processing System-Level Design Using LabVIEW ppt

Ngày tải lên : 30/07/2014, 19:21

... advancements in digital signal processors (also called DSPs) Nowadays, DSP systems such as cell phones and high-speed modems have become an integral part of our lives In general, sensors generate ... Express VIs ﬁrst, then the same system is built with regular VIs This is done in order to illustrate the advantages and disadvantages of Express VIs versus regular VIs for building a system L2 .1 Building ... the signal generation system using Express VIs is shown in Figure 2- 31 Figure 2- 31: BD of signal generation and ampliﬁcation system using Express VIs [1] 31 Lab To build this BD, locate the Simulate...

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Understanding digital signal processing - Chapter 6 potx

Ngày tải lên : 14/08/2014, 11:20

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Carrier recovery for high speed coherent optical communication systems based on digital signal processing

Ngày tải lên : 12/09/2015, 09:28

... nonlinearities compared with single carrier system [ 51] In this thesis, we focus on single-carrier system Figure 2 .1: Block diagram of coherent optical communication system 2 .1. 1 Signal Model The SE provided ... preampliﬁer [11 ] The transmission distance was extended up to thousands of kilometers by using cascaded EDFAs The capacity of optical communication systems was increased to the order of Terabits per second ... and PA MLSD with 6 10 0km transmission 10 9 5.5 Experiment setup of a 10 -Gbaud /s B2B 8QAM system 11 0 5.6 Received S- 8QAM constellation after re-sampling 11 1 5.7 Signal constellation...

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A full custom digital signal processing unit for real time cortical blood flow monitoring

Ngày tải lên : 16/09/2015, 12:42

... 8.1nW/fp 8.1nW/fp 49pW/fp 14 6nW/fp Output bits bits 10 bits bits 12 bits 12 bits bits bits bits bits - Table Performance of APS and DPS sensors FOM  Power fps  pixels (16 ) While many CMOS sensor ... on-chip processing circuits [40] Analog Camera-on-chip System Camera-on-chip system is one kind of SoC combining CIS technology with ASIC and/or RF applications These systems are commonly applied ... are designed on desktop applications such as Matlab Compared to the analog-camera-on-chip systems, these systems are more integrated For example: iVisual vision processor, Figure 15 , NTSC video...

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Alpha Stable Human Visual System Models for Digital Halftoning

Ngày tải lên : 14/11/2015, 08:03

... the HVS Stable distributions describe a rich class of processes that allow heavy tails and skewness in their functions .11 The class was characterized by Lévy in 19 25 .16 Stable distributions are ... Näsänen 0.04 −2 10 α-SG, α = 0.95 Mixed Gaussian 0.02 Näsänen Mixed Gaussian 1/ 3 α-SG, α = 1. 05 1/ 2 ρ √ 1/ −3 10 ρ 1/ 2 √ 1/ Figure Frequency response of N¨ as¨ anen, mixed Gaussian and α-SG ... different HVS models also hold for the results produced using the screens Figure shows the gray ramps generated with the DBS screens of size 12 8 × 12 8 corresponding to the α-SG HVS models The similarity...

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The Scientist and Engineer's Guide to Digital Signal Processing Second Edition

Ngày tải lên : 13/09/2012, 10:21

... Numbers 5 51 The Complex Number System 5 51 Polar Notation 555 Using Complex Numbers by Substitution 557 Complex Representation of Sinusoids 559 Complex Representation of Systems ... 12 3 Common Impulse Responses 12 3 Mathematical Properties 13 2 Correlation 13 6 Speed 14 0 Chapter The Discrete Fourier Transform 14 1 The Family of Fourier Transforms 14 1 Notation ... Polar Nuisances 16 4 Chapter Applications of the DFT 16 9 Spectral Analysis of Signals 16 9 Frequency Response of Systems 17 7 Convolution via the Frequency Domain 18 0 Chapter 10 Fourier...

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Introduction to Digital Signal Processing and Filter Design

Ngày tải lên : 13/09/2012, 10:21

... Analysis 93 94 11 0 11 2 3 .1 Introduction 11 2 3.2 Theory of Sampling 3.2 .1 Sampling of Bandpass Signals 11 3 12 0 3.3 DTFT 3.3 .1 3.3.2 3.3.3 3.3.4 and IDTFT Time-Domain Analysis of Noncausal Inputs ... discrete-time signals It describes some applications of digital signal processing and deﬁnes and, suggests several ways of describing discrete-time signals Examples of a few discrete-time signals and some ... W Schafer, Discrete-Time Signal Processing, PrenticeHall, 19 89 REFERENCES 31 R D Strum and D E Kirk, Discrete Systems and Digital Signal Processing, Addison-Wesley, 19 89 S S Soliman and M D Srinath,...

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