converting digital data into digital signals
DIGITAL DATA TRANSMISSION - I
Ngày tải lên :
19/10/2013, 17:15
...
pulse generator, which can be used as a digital data bit.
Figure 5 B –II (a) ASK On-off keying implementation
We can see that the carrier modulates the data bits and the output waveform is ... parameters Noise generator
EE-458 LAB REPORT
EXPERIMENT #5
DIGITAL DATA TRANSMISSION - I
1/27/2010
Page 12
Figure 5 B –II (c) block properties ... 10 dB
BER for bit delay (1) = 0.0 KHz
BER for bit delay (0) = 5.0 KHz
2) Changing The Data Rate
Data Rate of 8KHz attenuation 0 dB
BER for bit delay (1) = 0 Hz
BER for bit delay (0)...
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DIGITAL DATA TRANSMISSION - II
Ngày tải lên :
23/10/2013, 15:15
... carrier between known fixed frequencies to
convey digital data.
Normally, FSK modulation is achieved using just two frequencies to represent
binary data. For example, a frequency of 2000 Hz may ...
LAB REPORT
EXPERIMENT 6
DIGITAL DATA TRANSMISSION - II
SUBMITTED BY
Solve the equation above and get (f
1
-f
0
)T ... are as follows:
f
s
= 1 khz;
f
0
= 5 khz.
B. The output of the digital summer as well as that of the Digital Signal Source was
observed on the oscilloscope. The graphs are as shown....
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Turning Data into Information
Ngày tải lên :
03/10/2013, 00:20
... from: iDATA.ws
Chapter 6 Turning Data into Information
99
To overcome these issues, ADO.NET includes the DataView class. As with the DataTable class,
each DataView exposes a set of DataRow ... table to the DataView constructor.
C#
DataView someView = new DataView(someTable);
Visual Basic
Dim someView As New DataView(someTable)
Dwonloaded from: iDATA.ws
Chapter 6 Turning Data into Information ... the
DataTable.AcceptChanges method. The DataRowView.Row property returns the actual row based
on other settings in the DataRowView instance.
Creating a
DataView
To create a DataView from a DataTable,...
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Tài liệu Retrieving Hierarchical Data into a DataSet ppt
Ngày tải lên :
24/12/2013, 05:15
... LiB ]
Recipe 2.1 Retrieving Hierarchical Data into a DataSet
Problem
You want to fill a DataSet with parent and related child data, even if the DataSet already
has a schema that includes ... with the grid.
dataGrid.DataSource = parentTable.DefaultView;
}
private void loadDataSetButton_Click(object sender, System.EventArgs e)
{
// Remove all data from the DataSet and refresh ... and a DataRelation object
relating these two tables. The default view of the parent table, Orders, is bound to
a data grid on the form.
Load DataSet Button.Click
Starts by clearing the data...
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- 0
Tài liệu Lab B: Creating Templates to Import Data into the Metadirectory pptx
Ngày tải lên :
24/01/2014, 19:20
... a data source (for which there is no predefined
MA) into the metadirectory.
!
Use template language to create Parsing and Construction templates to
import the connected directory data into ... Namespace
Scenario
At Northwind Traders, a SQL server database stores the employee telephone numbers. This
information needs to be integrated into the metaverse namespace. A connection has already ... Templates tab, on the Add tab, right-click in the data box,
and then click Edit.
c.
Copy the first record set from the import file and paste it into the
Notepad window for the Add script.
d....
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Báo cáo khoa học: "Machine-Learning-Based Transformation of Passive Japanese Sentences into Active by Separating Training Data into Each Input Particle" doc
Ngày tải lên :
17/03/2014, 04:20
... supervised data. We divided the su-
pervised data into closed and open data (Both the
closed data and open data had 1788 items each.).
The distribution of target case particles in the data
are ... terms
of separating the training data into source parti-
cles. Baseline 3 separates the training data into
592
Table 6: Deletion of features
Deleted Closed data Open data
features Eval. A Eval. B ... data to
determine features that were deleted in feature se-
lection and used the open data as test data (data
for evaluation). We used 10-fold cross validation
for the experiments on closed data...
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- 0
Báo cáo khoa học: "Machine-Learning-Based Transformation of Passive Japanese Sentences into Active by Separating Training Data into Each Input Particle" ppt
Ngày tải lên :
17/03/2014, 04:20
... cannot readily be included in
training data. For simplicity of implementation,
they are excluded from training data (we will dis-
cuss the use of these excluded data in Section 6).
Note that the tagging ... tagging nouns with
their countability. This paper follows it to gener-
ate training data.
To generate training data, first, instances of the
target noun used as a head noun are collected from
a ... — quantifiers
— — ’s genitives
4 Proposed Method
4.1 Generating Training Data
As discussed in Subsection 3.2, training data are
needed to exploit the one countability per dis-
course property....
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Writing Research: Transforming Data into Text
Ngày tải lên :
17/03/2014, 21:37
... summarise data.
In
traditional research writers observe
the
convention
to
report
data
without interpretation; this
is
reserved
for the
discussion
section.
Narrative
or
text data
may ... (and analysis)
of
data must
be
clear.
It
is
unlikely that
raw
data will
be
presented (e.g.,
a
complete
transcript
of an
interview)
so it can be
said that
all
data
presented
in
... appendices
to
include supporting data.
Guidelines
for
writing this section:
Facilitate
the
reader's
grasp
of
the
outcomes
of
the
study
by
presenting
the
data
as
unambiguously
as
...
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Loading Data into a Database potx
Ngày tải lên :
23/03/2014, 00:20
... reserved.
Input Data and Datafiles
ã
SQL*Loader reads data from one or more files
specified in the control file
ã
From SQL*Loaders perspective, the data in the
datafile is organized as records
ã
A datafile ... it
to a SQL INSERT statement using that data
ã
The Oracle database server accepts the data and
executes the INSERT statement to store the data in
the database
D-32
Copyright â Oracle Corporation, ... path load, data fields in the
datafile are converted into columns in the database in
two steps:
ã
The field specifications in the control file are used
to interpret the format of the datafile...
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Transforming Data into Information potx
Ngày tải lên :
29/03/2014, 08:20
... on and off millions of times each second.
Transforming Data
into Information
lesson 7
ã
RAM (Random Access Memory) stores data and
program code needed by the CPU. The contents of
RAM ... address.
How Computers Process Data –
The Role of Memory
ã
A bus is a path between the components of a
computer. Data and instructions travel along these
paths.
ã
The data bus' width determines ... Computers Represent Data
Binary Numbers
ã
Computer processing is performed by transistors,
which are switches with only two possible states: on
and off.
ã
All computer data is converted to...
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Tài liệu Lecture 22: Digital Transmission of Analog Data (Baseband Transmission): doc
Ngày tải lên :
09/12/2013, 16:15
... Telecommunications, Winter 2000 Lecture-22 Digital Transmission
Digital Transmission of Analog Data (Baseband Transmission):
ã Analog voice data must be translated into a series of binary digits before ... Winter 2000 Lecture-22 Digital Transmission
Digital Pulse modulation:
Pulse Code Modulation is the most basic form of Digital Pulse Modulation.
Different form of digital pulse modulation ... It is an operation that is basic to digital signal processing and digital communication.
ã Through the use of sampling, an analog signal is converted to its digital form.
ã To obtain either form...
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- 0
Designing for Digital: Skill Sets Needed to Design for Variable Data doc
Ngày tải lên :
17/03/2014, 12:20
... D1 and D2
Data management
D1
D2
Data Source
Client Controlled
Client Dependent/Third
Party
Data Storage
None
None
Data Implementation
Printer Dependent
Printer Dependent/Third
Party
Data Cleansing
None
None
... 16
predetermined number of fields. Typically, databases store the variable elements
into various fields. A variable data application then draws these elements from
the database, according to predefined rules, ... the data, but the printer or mail
house in which the file is printed handles all of the data merging and variable
content. No data storage or cleansing was done by either designer.
Table 10: Data...
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- 0
Practical Digital Wireless Signals pdf
Ngày tải lên :
17/03/2014, 20:21
... stream.
Symbol
Construction
Signal
Mapper
Signal
States
Data
Input
x
n
S
n
a
n
Figure 1.11 Building the block diagram: Adding the signal mapper, converting input symbols into signal state
definitions.
14 Practical Digital Wireless Signals
... – even though this book is about digital wireless communica-
tion (DWC) signals, the wireless signal itself is analog. All wireless signals, and actually
all signals whether wireless or not, ... consider that these signals are digital. No
matter if signal phase, frequency, amplitude, or some combination is used for modula-
tion, all digital wireless communication signals are a sequence...
- 445
- 595
- 1
Báo cáo " On the detection of gross errors in digital terrain model source data " pdf
Ngày tải lên :
22/03/2014, 12:20
... Basedonthetestresults,theauthorshavemadeconclusionsaboutthereliability
andeffectivenessofthemethodfordetectinggrosserrorsinDTMsource data.
Keywords: Digital terrainmodel(DTM);
DTMsource data; Grosserrordetection;Interpolation.
1.Introduction
*
Sinceitsorigin inthe late 1950s,the Digital
Terrain ... in DTM source
data can be detected by comparing the
measured height of a DTM data point with an
estimated height
by interpolation from
neighboring data points. This ...
Onthedetectionofgrosserrors
in digital terrainmodelsource data
TranQuocBinh*
CollegeofScience,VNU
Received10October2007;receivedinrevisedform03December2007
Abstract. Nowadays, digital terrain...
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