converting digital data to analog signal
Tài liệu Lecture 22: Digital Transmission of Analog Data (Baseband Transmission): doc
Ngày tải lên :
09/12/2013, 16:15
... Introduction to Telecommunications, Winter 2000 Lecture-22 Digital Transmission
Digital Transmission of Analog Data (Baseband Transmission):
• Analog voice data must be translated into a series ... domain.
To get back the original analog signal we have to convert back the sampled signal to its unique analog
form. We could do it if we have taken enough samples of the original signal in ... an analog signal is converted to its digital form.
• To obtain either form of pulse modulation we start with sampling.
Sampling is the process of taking samples (amplitude) of an analog signal...
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DIGITAL DATA TRANSMISSION - I
Ngày tải lên :
19/10/2013, 17:15
... the auto level is set to OFF. The
module is monitored using the oscilloscope.
Figure 5 A (a) Base Band transmission
The functions of the different modules are explained below:
Digital 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 ... limiter
Error Detector:
The processed signal is compared with a sample of the signal source. For each data bit that
does not match, a 10s pulse appears at the ERROR connector. Measuring the...
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DIGITAL DATA TRANSMISSION - II
Ngày tải lên :
23/10/2013, 15:15
...
The Objectives of this laboratory are:
1. To examine the frequency spectrum of an FSK signal.
2. To examine the correlation between two FSK signals.
3. To implement and investigate a coherent ...
The input signal parameters
A. The circuit was set up according to figure 6A shown below. It is a basic
assembly to generate a FSK signal.
Figure 6a Spectrum of a FSK signal – ... 1.75 1.75 e
-03
LABORATORY PROCEDURE
I. Spectrum of an FSK Signal :
FSK involves frequency shifting a carrier between known fixed frequencies to
convey digital data.
Normally, FSK modulation...
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Converting a DataReader to a DataSet
Ngày tải lên :
07/11/2013, 13:15
... 5.3 Converting a DataReader to a DataSet
Problem
You need to transfer data from a DataReader to a DataSet.
Solution
Create a DataTable schema in the destination DataSet using the schema information ... the DataReader. Then, use the GetData( )
method of the DataReader to load each row of data into an array of objects, and add it to
the DataTable using the Add( ) method of the contained DataRowCollection. ... pkCols.Add(col);
dataTable.Columns.Add(col);
}
// Add the primary key to the table.
dataTable.PrimaryKey =
(DataColumn[])pkCols.ToArray(typeof(DataColumn));
// Add the table to the DataSet....
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Tài liệu Converting Private Link to IPSec ppt
Ngày tải lên :
11/12/2013, 13:15
... selectors are used to select inbound traffic at the local,
internal interface to encrypt and tunnel to the remote peer. In the reverse direction, the linkpath address
selectors are used to decrypt ... access-list command statement address selectors in the crypto map are used to select
outbound traffic from the internal interface to encrypt and tunnel to the remote peer. In the reverse
direction, ... selectors are used to select inbound traffic at the
inside interface to encrypt and tunnel to the remote peer. In the reverse direction, the linkpath command
address selectors are used to decrypt outbound...
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Tài liệu Converting a DataSet to an ADO Recordset docx
Ngày tải lên :
14/12/2013, 18:16
... recordset into a DataTable.
OleDbDataAdapter oleDa = new OleDbDataAdapter( );
DataTable dt = new DataTable("Orders");
oleDa.Fill(dt, rs);
// Bind the default view of the table to the ... void GetDataTypeInfo(SqlDbType sqlDbType, out String type,
out String dbtype)
[ Team LiB ]
Recipe 5.10 Converting a DataSet to an ADO Recordset
Problem
You need to convert a DataSet to an ... Recordset is loaded into a DataTable using the
OleDbDataAdapter. The default view for the table is bound to the data grid
on the form to display the results of the conversion.
used to define the schema...
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Tài liệu From Data to Knowledge and Back Again: Understanding the Limitations of KMS pdf
Ngày tải lên :
20/12/2013, 19:15
... interest to product design,
marketing and application support engineers at
Analog. IMS’s CEO travelled to Boston to meet
with manager of Analog s Central Applications
function in order to discuss ... had to capture the technical
understanding of application engineers and relate
this to Analog s products and their attributes in
order to build cases for the KATE-Tools platform.
This activity took ... ported to the CD-ROM
format for distribution to Analog s customers.
The parametric search facility was first available
on Analog Devices’ CD-ROM catalogue; subse-
quently, the system was available to...
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Tài liệu Lab 1.2.4 Converting RIP v1 to RIP v2 pdf
Ngày tải lên :
21/12/2013, 19:15
... Inc.
Lab 1.2.4 Converting RIP v1 to RIP v2
Objective
• Configure RIP v1 on routers.
• Convert to RIP v2 on routers.
Background/Preparation
Cable a network similar to the shown in the ... 2600 or any such combination can be used. Please refer to the chart at the end of
the lab to correctly identify the interface identifiers to be used based on the equipment in the lab. The
configuration ... created.
Step 2 Configure the routing protocol on the Gadsden router
Go to the proper command mode and configure RIP routing on the Gadsden router according to the
chart.
...
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Tài liệu Bind Data to ComboBox and DataGrid Controls doc
Ngày tải lên :
24/12/2013, 06:17
... "Customers to List Orders For:"
ComboBox Name cboCustomers
DataSource dsCustomerList.Customers
DisplayMember CompanyName
ValueMember CustomerID
DataGrid Name dgOrders
DataSource ... (CustomerID = ?) ORDER BY OrderDate
DataSet Name dsOrdersForCustomer
DataSetName dsOrdersForCustomer
3. Tip
You will want to create the OleDbDataAdapter controls using the
Data Adapter ... Name odaCustomerList
SelectCommand OleDbSelectCommand1
CommandText SELECT CustomerID, CompanyName
FROM Customers
DataSet Name dsCustomerList
DataSetName dsCustomerList
OleDataAdapter...
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Tài liệu PDA Robotics - Using Your Personal Digital Assistant to Control Your Robot ppt
Ngày tải lên :
24/12/2013, 14:16
... stepping motors. Two enable inputs
are provided to enable or disable the device independently of the
input signals. The emitters of the lower transistors of each bridge are
connected together, ... including Telefunken’s TOIM4232 and
TOIM3232. At a minimum, a current-limiting resistor in series with
the IRED and a VCC bypass capacitor are the only external compo-
nents required to implement a complete ... communication link to PDA-Bot; in
essence, it will be the spinal cord. PDA Robot responds to IrDA
discovery requests and identifies itself as “generic IrDA.” I decid-
ed to use an IrDA data link to the Robot...
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Tài liệu An Introduction to Statistical Signal Processing ppt
Ngày tải lên :
16/01/2014, 16:33
... processes to produce other processes.
The intentional operation on a signal produced by one process, an “input
signal, ” to produce a new signal, an “output signal, ” is generally referred
to as signal ... a digital link,
noise in the digital link can cause errors in reconstructed bits, the
bits can then be used to reconstruct the original signal within some
fidelity. All of these operations on signals ... are
virtually buried in noise added to them on route and in the front
end amplifiers of the powerful receivers used to retrieve the signals.
By suitably preparing the signals prior to transmission, by suitable
filtering...
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Tài liệu Binding Simple Data to Web Forms Controls pdf
Ngày tải lên :
26/01/2014, 10:20
... tool to create data- binding
[ Team LiB ]
Recipe 7.1 Binding Simple Data to Web Forms Controls
P
roblem
You need to bind a field of data to a server-side control.
S
olu
t
ion
Use the DataBind( ... cmd.ExecuteScalar().ToString( );
conn.Close( );
}
return companyName;
}
D
iscussion
Simple data binding binds an ASP.NET web control property to a single value in a data
source. The ... (customerIdTextBox.Text != "")
{
// Create a command to retrieve the company name for the
// user-specified customer ID.
String sqlText =
"SELECT CompanyName FROM Customers...
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Tài liệu Binding Complex Data to Web Forms Controls doc
Ngày tải lên :
26/01/2014, 10:20
... Complex data- binding properties
Property Description
DataSource
Gets or sets the data source that the control is displaying data for.
Valid data sources include DataTable, DataView, DataSet,
DataViewManager, ...
interface.
DataMember
Gets or sets the table in the data source to bind to the control. You can
use this property if the data source contains more than one table—a
DataSet, for example.
DataKeyField ... "CategoryName";
categoriesListBox.DataBind( );
}
Discussion
Complex data binding describes binding a multi-record control to multiple records in a
data source. The DataGrid, DataList, and ListBox controls...
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Tài liệu Binding Data to a Web Forms DataList pdf
Ngày tải lên :
26/01/2014, 10:20
...
{
dataList.DataSource = CreateDataSource( );
dataList.DataKeyField = "Id";
dataList.DataBind( );
}
}
private DataTable CreateDataSource( )
{
DataTable dt = new DataTable(TABLENAME); ... time.
CreateDataSource( )
This method fills a DataTable with the TBL0703 table and stores the DataTable to
a Session variable to cache the data source for the DataList.
UpdateDataSource( ) ... a DataAdapter and uses it together with updating logic
generated by a CommandBuilder to update the data source with changes made to
the cached DataTable. The updated DataTable is stored to...
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Tài liệu Binding Data to a Web Forms DataGrid ppt
Ngày tải lên :
26/01/2014, 10:20
... dataGrid.CurrentPageIndex = e.NewPageIndex;
// Bind the data view to the data grid.
dataGrid.DataSource = dv;
dataGrid.DataBind( );
}
private void dataGrid_SortCommand(object ...
// Bind the data view to the data grid.
dataGrid.DataSource = dv;
dataGrid.DataBind( );
}
Discussion
The DataGrid Web Form control retrieves tabular information from a data source and ... data.
The DataGrid must be bound to a data source such as a DataReader, DataSet, DataTable,
or DataView. Any class that implements the IEnumerable interface can be bound. The
easiest way to...
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- digital data over analog signal
- digital data to analog signal encoding
- digital data to analog signal encoding techniques
- digital data to analog signal conversion
- convert digital data into analog signal
- device that converts digital data to analog signal
- with respect to converting digital data into analog signals am stands for
- conversion of digital data to analog signal
- routers convert digital data into analog signals
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