digital data analog signal encoding techniques

Ngày tải lên: 29/09/2013, 20:20

Ngày tải lên: 29/09/2013, 20:20

Ngày tải lên: 10/07/2014, 17:20

... Digital Signal Source: The signal sources produce a series of “0”s (about –2.5 V) and “1”s (+2.5 V) at the data rate set by the Master Clock. The time period of each bit is T = 1/fs. This signal ... detection process. This signal is useful in accurately measuring errors in detected data due to a communications channel. Figure 5 A (b) Block parameters digital signal source Summer: Page ... signal source produces equally likely 0’s and 1’s. Figure 5 A (d) Block parameters limiter Error Detector: The processed signal is compared with a sample of the signal source. For each data...

Ngày tải lên: 19/10/2013, 17:15

... output of the digital summer as well as that of the Digital Signal Source was observed on the oscilloscope. The graphs are as shown. It is seen that there is no change in the output signal when ... : A. Actual FSK systems use “continuos phase” signals wherein one signal starts where the other signal stops. A VCO is used to generate such signals. Figure 6D (a)FSK using Phase lock ... begins at the start of every data period and proceeds at the frequency fx until the end of the data period. Then the process repeats. Figure 6c The FSk Modulated signal B. Cross –...

Ngày tải lên: 23/10/2013, 15:15

... testing techniques are listed below: •Stuck-at techniques, •Scan techniques, •Signature techniques, •Coding techniques, and •Electrical monitoring techniques. Basic stuck-at fault testing techniques ... prevent signal reflections. Signal reflections are portions of an emanating signal that “bounce back” from the destination to the source. Signal reflections reduce the power of the emanating signal ... relationships between data and control signals to ensure that memory devices (level-sensitive latches or edge-sensitive flip-flops) correctly and reli- ably store desired data. The data signal carrying...

Ngày tải lên: 19/01/2014, 20:20

... A L O G Analog Signal Conditioners M I C R OA N A L O G DC/DC select M I C R O A N A L O G THERMO select M I C R O A N A L O G PT100 select M I C R O A N A L O G sets a new standard in signal ... select MICROANALOG DC/DC select • 3-way Isolation between Input, Output, and Supply voltage • DIP-Switch selectable • Supply voltage cross-connectable • Low heat dissipation DC/DC -Signal Conditioner Schematic ... Conditioner Schematic circuit diagram Switch positions / setting options Ordering data Screw connection Tension clamp connection Technical data* Input (selectable) Input resistance Input resistance with current...

Ngày tải lên: 14/02/2014, 16:56

... (Status=Married) → No © Tan,Steinbach, Kumar Introduction to Data Mining 44 Nearest Neighbor Classification… Problem with Euclidean measure: – High dimensional data • curse of dimensionality – Can produce ... covered by R1 © Tan,Steinbach, Kumar Introduction to Data Mining 36 Instance Based Classifiers Examples: – Rote-learner • Memorizes entire training data and performs classification only if attributes ... $10K to $1M © Tan,Steinbach, Kumar Introduction to Data Mining 40 1 nearest-neighbor Voronoi Diagram © Tan,Steinbach, Kumar Introduction to Data Mining 38 Nearest-Neighbor Classifiers  Requires...

Ngày tải lên: 15/03/2014, 09:20

... simplifies significantly performance analysis of signal processing by analog or digital filters at any possible input signal parameter variation. The signals are directly linked with Laplace transform ... results. Figure 1. Preprocessed dataset Digital Filters and Signal Processing36 Chapter 9 Analytical Approach for Synthesis of Minimum L2-Sensitivity Realizations for State-Space Digital Filters 213 Shunsuke ... frequency response masking (FRM) IIR digital filters is done in detail. FRM IIR digital filters are designed by FIR masking digital subfilters together with IIR interpolation digital subfilters. The FIR...

Ngày tải lên: 15/03/2014, 23:20

... paraphrasing techniques, our evaluation focuses on two families of data- driven ap- proaches that are widely studied and used. More comprehensive surveys of data- driven paraphrasing techniques can ... 2011. c 2011 Association for Computational Linguistics An Empirical Evaluation of Data- Driven Paraphrase Generation Techniques Donald Metzler Information Sciences Institute Univ. of Southern California Marina ... evalu- ating data- driven paraphrase approaches. There are likely other characteristics, beyond redundancy, that may also be important for developing robust, effec- tive paraphrasing techniques. ...

Ngày tải lên: 30/03/2014, 21:20

... input signal changes  times, then the amplitude of the output signal also changes  times, and the output signal corresponding to the sum of input signals is equal to the sum of output signals ... linear operations with analog input signals: multiplication of signal by a constant (scaling), summation or subtraction, differentiation or integration of signals, transformation of signal spectrum ... input signal output signal enriches, and higher harmonics, which were absent in the spectrum of the input signal, arise in addition to the first harmonic. The amplitude spectrum of the output signal...

Ngày tải lên: 31/03/2014, 18:20

... instrumentation, digital signal process- ing, energy, signal theory, electrical quality and simulation and climatology. Hindawi Publishing Corporation EURASIP Journal on Advances in Signal Processing Volume ... renewed interest in ex- ploiting signal processing techniques for power quality mea- surements and analysis. The rationale for such enthusiasm is that signal processing techniques, indeed, provide ... reviewing the principles and applications of atomic signal modeling of electric disturbance signals. As well addressed by the authors, the disturbance signal can be modeled using a linear combination...

Ngày tải lên: 22/06/2014, 19:20

... the detail signal for the LP representation of the original detail signal. We term the new detail as the reduced detail signal, since the removal of the coarse component from the origi- nal detail signal ... configuration. 5.1. Reduced-coarse signal In the closed-loop configuration, the encoder updates the coarse signal based on the quantized detail signal. Thus, the reduced detail signal is obtained as c r := ... estimates the coarse signal and the original signal at higher resolution using (17). Observe that, because of the quantized detail signal inside the update loop, the update signal at the encoder...

Ngày tải lên: 22/06/2014, 20:20

... multiresolution processing concept. The “∗” indicates that the targets in the training data is an issue. signal processing techniques that attempt to exploit long CPIs to improve the detection performance ... of the techniques using simulated and collected radar data. Finally, Section 6 summarizes the findings and outlines areas for fur- ther research. 2. GMTI RADAR SIMULATION Simulated radar data was ... Corporation EURASIP Journal on Applied Signal Processing Volume 2006, Article ID 47534, Pages 1–16 DOI 10.1155/ASP/2006/47534 Multiresolution Signal Processing Techniques for Ground Moving Target...

Ngày tải lên: 22/06/2014, 23:20

... Corporation EURASIP Journal on Applied Signal Processing Volume 2006, Article ID 51090, Pages 1–2 DOI 10.1155/ASP/2006/51090 Editorial Advanced Signal Processing Techniques for Bioinformatics Xue-Wen ... and poses new challenges for the signal processing community. Analysis of data for life-science problems provides an interesting appli- cation domain for standard signal processing methods such as ... properly cited. The success of bioinformatics in recent years has been driven, in par t, by advanced signal processing techniques: estima- tion theory, classification, pattern recognition, information theory,...

Ngày tải lên: 22/06/2014, 23:20

... mo- tion. 6. CONCLUSIONS We have presented techniques for complexity scalable MPEG encoding that gradually reduce the quality as a function of limited resources. The techniques involve modifications to the ... 369–377, 1998. EURASIP Journal on Applied Signal Processing 2004:2, 236–252 c  2004 Hindawi Publishing Corporation New Complexity Scalable MPEG Encoding Techniques for Mobile Applications Stephan ... data partitioning using a cyclical sequence of several scalable DCTs with different co- efficient selection functions. The complete cycle would com- pute each coefficient at least once. Temporal data...

Ngày tải lên: 23/06/2014, 01:20

... and more equal digital opportunity. On one hand, e-commerce has provided new opportuni- ties for economic growth. On the other hand, it has created a social problem of digital divide. Digital divide ... and influences that have been created by e-commerce in a digital economy. TLFeBOOK Socio-Economic Impacts and Influences of E-Commerce in a Digital Economy 7 Copyright © 2005, Idea Group Inc. Copying ... computing on individual well-being. Some data suggest that increasing Internet use is associated with social isolation, withdrawal, and stress. Although the data also suggest that Internet “addiction”...

Ngày tải lên: 03/07/2014, 16:06

Ngày tải lên: 08/08/2014, 18:22

Ngày tải lên: 08/08/2014, 18:22