8 modeling and implementation of dsp fpga solutions quot robert d turney chris dick1 david b
Thực thi và đánh giá thuật toán tách biên ảnh trên FPGA
... Logic Devices D < /b> Digital Signal Processing Dual In-line Memory Module E Embedded Development Kit FPGA < /b> Field Programable Gate Array CPLD DSP < /b> DIMM Vi mạch tích hợp thực chức chuyên d< /b> ng Vi mạch phức ... dung lượng lớn + Xilinx SystemACE Compact Flash configuration controller + 64 bit wide 256 Mbytes DDR2 small outline DIMM module compatible with EDK supported IP and < /b> software drivers + On – board ... edge detection Prewitt Spartan 3A -DSP < /b> xc3sd3400a-4fg676 494 Virtex5 xc5vlx110t1ff1136 301 Virtex6 Lower Power xc6vsx315tl-1lff1156 2 08 < /b> 782< /b> 782< /b> 782< /b> 0 LUTs 656 6 58 < /b> 662 IOBs 16 16 16 DSP4< /b> 8s 18 < /b> 18...
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Mathematical Summary for Digital Signal Processing Applications with Matlab pdf
... Matrix B be represented as b1 1 b1 2 b1 3 : : : b1 m 6b 21 b2 2 b2 3 : : : b2 m 7 6b3 1 b3 2 b3 3 : : : b3 m 7 bnm bn1 bn2 bn3 a11 C b1 1 a12 C b1 2 a13 C b1 3 a Cb a22 C b2 2 a23 C b2 3 21 21 ) A C B D < /b> a31 C b3 1 ... be viewed as A D < /b> Œa1 a2 a3 , where Ä a a1 D < /b> 11 a21 Ä a a2 D < /b> 12 a22 Ä a3 D < /b> a13 a23 b1 Similarly the matrix B can be viewed as B D < /b> 4b2 5, where b3 b1 D < /b> b1 1 b1 2 b1 3 b2 D < /b> b2 1 b3 D < /b> b3 1 b2 2 b3 2 ... cij D < /b> ai1 b1 j C b2 j C b3 j C : : : C aip bpj Matrices Example 1.5 Consider the matrix A and < /b> B of < /b> size # " a11 a12 a13 AD a21 a22 a23 b1 1 b1 2 b1 3 B D < /b> 4b2 1 b2 2 b2 3 and < /b> 3, respectively b3 1 b3 2 b3 3...
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algorithm collections for digital signal processing applications using matlab - e.s. gopi
... nextb = b+ C1 * RAND * (b b) + C2 * RAND * (global b) nextc = c+ C1 * RAND * (c’ –c) + C2 * RAND * (global –c ) nextd = d+< /b> C1 * RAND * (d< /b> d)< /b> + C2 * RAND * (global d < /b> ) nexte = e+ C1 * RAND ... Similarly, b decides the position ‘h’ as the final position It is the linear combination of < /b> ‘ob’ and < /b> ‘bh’(ie) scaled version of < /b> ‘bd’ Note as d< /b> is the common position decided by ‘a’ and < /b> b , the ... between d< /b> and < /b> ‘e’ so based on the neighbor’s decision position d< /b> is treated as the common position decided by both ‘a’ and < /b> b (ie) the position ‘c’ is the individual decision taken by ‘a’,...
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Báo cáo hóa học: " Research Article A SystemC-Based Design Methodology for Digital Signal Processing Systems" potx
... Embedded Systems Scale1 AddSub3 AddSub4 AddSub8 Sink × ToBlock i1 AddSub7 Fly2 o1 AddSub6 Fly1 i1 8 < /b> o1 8 < /b> Clip i1 8 < /b> i1 8 < /b> IDCT- 1D2< /b> o1 8 < /b> o1 8 < /b> i9 AddSub2 Scale2 AddSub1 i1 8 < /b> IDCT- 1D1< /b> o1 8 < /b> i1 8 < /b> o1 8 < /b> ... = {mB1 , OPB, AS3 , AS4 } A feasible binding can be given by β = {(Fly1 , mB1 ), (Fly2 , mB1 ), (AddSub3 ,AS3 ), (AddSub4 ,AS4 ), (AddSub7 , mB1 ), (AddSub8 , mB1 )} All channels in the problem ... graph Fly1 AddSub3 AddSub7 Fly2 AddSub4 AddSub8 F2 AS3 F1 mB1 Architecture graph (a) SysteMoC network graph Fly1 AddSub3 AddSub7 Fly2 AddSub4 AddSub8 Director F2 mB1 C1 F2 Virtual processing components...
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Digital signal processing for front end non idealities in coherent optical OFDM system
... Error DA Decision-aided DAC Digital-to-Analog Converter DAJC Decision-aided Joint Compensation xxv LIST OF < /b> ABBREVIATIONS DD-OFDM Direct Detection OFDM DDPE Decision-directed Phase Estimation Demod ... decisionaided (DA) and < /b> decision-feedback (DF) methods The combination of < /b> DA and < /b> PA is shown to improve phase noise tolerance compared to DA while reducing overhead compared to PA The combination of < /b> DA ... nonoverlapped bandlimited signals which reduces the spectral efficiency And < /b> a bank of < /b> large numbers of < /b> oscillators and < /b> filters is used for implementation < /b> at both transmitter and < /b> receiver sides OFDM was...
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Real-Time Digital Signal Processing - Chapter 6: Design and Implementation of IIR Filters
... produces a 32-bit result f (SATD set) c _addc(int a, int b) ; Adds a, b, and < /b> Carry bit and < /b> produces a 16-bit result c f _laddc(long d,< /b> int a); Adds d,< /b> a, and < /b> Carry bit and < /b> produces a 32-bit result ... less than dB and < /b> the stopband attenuation is at least 30 dB by 50 Hz out on both sides of < /b> the passband The MATLAB script (exam6_13.m in the software package) for designing the specified bandpass ... ripple in dB Rs 20; % Stopband attenuation in dB Wp 2*fc/Fs; % Normalized passband edge frequency Ws 2*fs/Fs; % Normalized stopband edge frequency % 286< /b> DESIGN AND < /b> IMPLEMENTATION < /b> OF < /b> IIR FILTERS...
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Tài liệu Real-Time Digital Signal Processing - Appendix B: Introduction of MATLAB for DSP Applications docx
... operations between two scalars (1Â1 matrix) a and < /b> b are: a b (addition), a À b (subtraction), a * b (multiplication), a /b (division), and < /b> a ^b (ab ) An array operation is performed element-by-element ... o dash-dot - x-mark x dashed 456 APPENDIX B: INTRODUCTION OF < /b> MATLAB FOR DSP < /b> APPLICATIONS Table B. 2 Color options Symbol Color y yellow m magenta c cyan r red g green b blue w white k black Plots ... MATLAB subplot function The subplot command allows us to split the graph window into sub-windows The possible splits can be either two sub-windows or four sub-windows Two windows can be arranged...
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Tài liệu Real-Time Digital Signal Processing - Appendix C: Introduction of C Programming for DSP Applications ppt
... may also be declared and < /b> used Once variables are defined to be a given size and < /b> type, some sort of < /b> manipulation can be performed using the variables Memory locations must be defined before other ... code uses Word16 for the 16bit integer data type and < /b> Word32 for the 32-bit data type In addition, the three integer types (int, short, and < /b> long) can be declared as unsigned by preceding the declaration ... C55x and < /b> some other C compiler is the size between data types of < /b> char and < /b> int , float and < /b> double , and < /b> long double Table C.4 lists the data type supported by the C55x C compiler From this table,...
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Digital Signal Processing Using MATLAB for Students and Researchers ppt
... c b d < /b> a c a c d < /b> b d < /b> b d < /b> d ca c 3) t( b a b a c a b a c b d < /b> c a d < /b> c b a d < /b> c b d < /b> FIGURE 2.3 The MATLAB cat() function for multidimensional arrays Each matrix is shown as a square, and < /b> the possible ... should be able to: use the MATLAB interactive window command line, and < /b> enter MATLAB scripts use MATLAB function files be able to display image data from a matrix be able to play back audio data ... use of < /b> blocks of < /b> samples and < /b> how they are stored and < /b> processed, the concepts of < /b> vectors and < /b> matrices are essential To avoid confusion between scalar values and < /b> vectors, vectors and < /b> matrices, and...
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smith, s. w. (2003) digital signal processing - a practical guide for engineers and scientists
... distributed random numbers R, and < /b> R, are random numbers with a uniform distributionbetween zero and < /b> one This results in X being normally distributed with a mean of < /b> zero, and < /b> a standard deviation of < /b> ... distributed random numbers, the random number generator is invoked twice, to obtain R, and < /b> R2 A normally distributed random number, X, can then be found: EQUATION 2-9 Generation of < /b> normally distributed ... generated by a random number generator As indicated by the pdf, the value of < /b> each sample is uniformly distributed between zero and < /b> one Each sample in (b) is formed by adding two values from the random...
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Báo cáo hóa học: " A Digital Signal Processing Method for Gene Prediction with Improved Noise Suppression" ppt
... selective bandpass digital filters for the identification of < /b> coding regions can be used instead of < /b> the DFT and < /b> have been presented in [2, 6] by Vaidyanathan and < /b> Yoon The digital filter presented in [6] ... operation followed by a decimation operation [2] The bandpass digital filter associated with the DFT method is centered at frequency 2π/3 and < /b> has a minimum stopband attenuation of < /b> only 13 dB High frequency ... secondorder antinotch filter The digital filter presented in [2] is an eleventh-order bandpass digital filter with a minimum stopband attenuation of < /b> 60 dB The digital filter method for the identification...
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Digital Signal Processing System Design ppt
... subVI is displayed as an expandable node, the background appears yellow Icons are used to save space in a BD, while expandable nodes are used to provide easier wiring or better readability Expandable ... subVI icon Figure L1-10 (b) illustrates the BD with an inserted subVI This subVI can be opened and < /b> edited by double-clicking on its icon on the BD Save this subVI as Sum and < /b> Average.vi This subVI ... types of < /b> a BD object (VI, Express VI, and < /b> function) Figure 2 -8:< /b> Block Diagram objects (a) VI, (b) Express VI, and < /b> (c) function A subVI or an Express VI can be displayed as icons or expandable nodes...
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Digital Signal Processing System-Level Design Using LabVIEW ppt
... field of < /b> DSP < /b> In addition, the book is written in such a way that it can be used as a selfstudy guide by DSP < /b> engineers who wish to become familiar with LabVIEW and < /b> use it to design and < /b> analyze DSP < /b> ... expandable nodes If a subVI is displayed as an expandable node, the background appears yellow Icons are used to save space in a BD, while expandable nodes are used to provide easier wiring or better ... enhancements and < /b> updates, it is expected that there will be updates of < /b> LabVIEW and < /b> its toolkits To accommodate for such updates and < /b> to make sure that the labs provided in the book can still be used in DSP...
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Carrier recovery for high speed coherent optical communication systems based on digital signal processing
... Converters DCF Dispersion-Compensating Fiber xxiii LIST OF < /b> ABBREVIATIONS DE Differential Encoding DFB distributed feedback DOF Degrees of < /b> Freedom DPSK Differential Phase-Shift-Keying DQPSK Differential ... is difficult to implement since the product of < /b> laser linewidth and < /b> loop delay is too large Therefore, with recent advancement of < /b> high speed ADCs, DSP < /b> based methods have been introduced and < /b> established ... product of < /b> the laser linewidth of < /b> distributed feedback (DFB) lasers and < /b> loop delay is too large [6] It has been shown that delays greater than a few tens of < /b> nanoseconds would lead to loop instability...
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A full custom digital signal processing unit for real time cortical blood flow monitoring
... value During a read or write, both complementary bit-lines are charged/discharged and < /b> swings between to Vdd Particularly during reading, bit-lines are pre-charged to Vdd and < /b> are costly in terms of < /b> ... Output bit bit 3.5 bit bit bit bit bit 4.5 bit Table Performance of < /b> analog domain camera-on-chip 38 < /b> In Table 2, a list of < /b> analog domain camera-on-chip is tabulated to discuss on the disadvantages of < /b> ... and < /b> ΣI2 are independent of < /b> one another Further simplification by squaring both the numerator and < /b> denominator will only incur a large bit width divider and < /b> is undesirable Using inputs of < /b> 5×5 8-< /b> bit...
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Alpha Stable Human Visual System Models for Digital Halftoning
... Kim and < /b> Allebach1 experimented with different values of < /b> S in HVS models that are used in DBS and < /b> demonstrated why this parameter, which in theory should be determined precisely by the intended viewing ... functions describing alpha stable random variables.11 These models are richer than mixed Gaussian models (Gaussian random variables are a sub-family of < /b> alpha stable random variables) and < /b> they are ... algorithm5 using four different models generated in the frequency domain, namely the models proposed by Campbell,6 Mannos,7 N¨as¨anen8 and < /b> Daly.9 Campbell and < /b> Mannos’ models are band-pass, with peak...
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The Scientist and Engineer's Guide to Digital Signal Processing Second Edition
... become a standard part of < /b> the undergraduate curriculum Today, DSP < /b> is a basic skill needed by scientists and < /b> engineers in many fields Unfortunately, DSP < /b> education has been slow to adapt to this ... Probability and < /b> Noise 11 Signal and < /b> Graph Terminology 11 Mean and < /b> Standard Deviation 13 Signal vs Underlying Process 17 The Histogram, Pmf and < /b> Pdf 19 The Normal Distribution 26 Digital ... contained in this book If you not wish to be bound by the above, you may return this book to the publisher for a full refund Contents at a Glance FOUNDATIONS Chapter The Breadth and < /b> Depth of < /b> DSP...
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Introduction to Digital Signal Processing and Filter Design
... Workshop 381< /b> 8.< /b> 3 Design Preliminaries 383< /b> 8.< /b> 4 Code Generation 385< /b> 8.< /b> 5 Code Composer Studio 386< /b> 8.< /b> 6 Simulator and < /b> Emulator 8.< /b> 6.1 Embedded Target with Real-Time Workshop 388< /b> 389< /b> 8.< /b> 7 Conclusion 389< /b> References ... be achieved from analog filters; an example would be a lowpass filter with a bandwidth of < /b> 5000 Hz and < /b> a passband ripple of < /b> 0.5 dB, and < /b> 100 dB attenuation above 5010 Hz In spectrum analyzers and < /b> ... cameras, digital phones, answering machines, fax and < /b> modems, music synthesizers, recording and < /b> mixing of < /b> music signals to produce CD and < /b> DVDs Surround-sound entertainment systems including CD and < /b> DVD...
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