digital data analog signal encoding techniques
DIGITAL DATA TRANSMISSION - I
Ngày tải lên :
19/10/2013, 17:15
...
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...
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DIGITAL DATA TRANSMISSION - II
Ngày tải lên :
23/10/2013, 15:15
... 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 –...
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Tài liệu Digital and Analog Electronic Design Automation ppt
Ngày tải lên :
19/01/2014, 20:20
... 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...
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Weidmuller micro analog signal conditioner
Ngày tải lên :
14/02/2014, 16:56
... 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...
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Data Mining Classification: Alternative Techniques - Lecture Notes for Chapter 5 Introduction to Data Mining pdf
Ngày tải lên :
15/03/2014, 09:20
... (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...
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DIGITAL FILTERS AND SIGNAL PROCESSING docx
Ngày tải lên :
15/03/2014, 23:20
... 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...
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Báo cáo khoa học: "An Empirical Evaluation of Data-Driven Paraphrase Generation Techniques" pptx
Ngày tải lên :
30/03/2014, 21:20
... 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. ...
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Electronic Devices for Analog Signal Processing ppt
Ngày tải lên :
31/03/2014, 18:20
... 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...
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Báo cáo hóa học: " Editorial Emerging Signal Processing Techniques for Power Quality Applications" docx
Ngày tải lên :
22/06/2014, 19:20
... 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...
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Báo cáo hóa học: " Research Article Scalable Video Coding with Interlayer Signal Decorrelation Techniques" doc
Ngày tải lên :
22/06/2014, 20:20
... 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...
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Báo cáo hóa học: "Multiresolution Signal Processing Techniques for Ground Moving Target Detection Using Airborne Radar" pptx
Ngày tải lên :
22/06/2014, 23:20
... 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...
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Báo cáo hóa học: "Editorial Advanced Signal Processing Techniques for Bioinformatics" pdf
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,...
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Báo cáo hóa học: " New Complexity Scalable MPEG Encoding Techniques for Mobile Applications" pot
Ngày tải lên :
23/06/2014, 01:20
... 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...
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digital data integrity the evolution from passive protection to active management
Ngày tải lên :
03/07/2014, 16:06
... 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”...
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