device that converts 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
... It is an operation that is basic to digital signal processing and digital communication.
• Through the use of sampling, an analog signal is converted to its digital form.
• To obtain either form ... analog signal that are usually uniformly
spaced in time.
Sampling is usually described in time domain.
To get back the original analog signal we have to convert back the sampled signal to ... 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...
- 5
- 480
- 0
the bilateral and multilateral commitment that Viet Nam made to participate in WTO.
Ngày tải lên :
12/04/2013, 22:00
... joining into WTO. Any
countries which want to mix with this global playing-field WTO,haveto make the
commitments in accordance with WTO’s regulation.And Viet Nam do,too .To
achieve today’s results,Viet ... order to answer for this question,Today,we all together
would like to talk about the bilateral and multilateral commitment that Viet Nam
made to participate in WTO.
I. ACCESSION OF VIET NAM TO WTO
First,I’d ... regime to conform to WTO
requirements, and looked forward to working actively with Viet Nam towards this
objective.
2.Process into WTO
Viet Nam has been conducting negotiations on its WTO entry...
- 26
- 478
- 0
Attention games 101 fun, easy games that help kids learn to focus
Ngày tải lên :
17/08/2013, 08:52
... him how to move his tongue in different directions. Start
with side to side. Once he’s got that movement, go to up-and-down move-
ments. If you can curl your tongue, add that to his repertoire.
I ... my
tongue pops out. I push my nose to one side, and my tongue goes to that
side. When I push my nose to the other side, my tongue follows. I push my
nose in again, and my tongue goes back into ... their interest in attending to these details as they
grow.
Perfect Rattles
If you haven’t switched over to digital photography or you’re willing to go
to a photo store and get its used film canisters,...
- 200
- 623
- 6
DIGITAL DATA TRANSMISSION - I
Ngày tải lên :
19/10/2013, 17:15
... 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 ... 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...
- 14
- 344
- 0
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 ...
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 –...
- 20
- 347
- 0
Tài liệu From Data to Knowledge and Back Again: Understanding the Limitations of KMS pdf
Ngày tải lên :
20/12/2013, 19:15
... at
Analog Devices, Inc., of Norwood, MA. IMS’s pro-
posal was therefore of interest to product design,
marketing and application support engineers at
Analog. IMS’s CEO travelled to Boston to ... range from
directories/databases of domain experts and key
knowledge workers in organizations, to systems
that purport to capture, store, and transfer the
knowledge of organizational actors for access ... 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 sales engineers
over...
- 12
- 599
- 0
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...
- 5
- 435
- 0
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, ... User datagram protocol (UDP) is a connectionless
protocol (one in which the host can send a message without
establishing a connection with the recipient) that, like transmis-
sion control protocol ... 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...
- 256
- 344
- 0
Tài liệu An Introduction to Statistical Signal Processing ppt
Ngày tải lên :
16/01/2014, 16:33
... a signal produced by one process, an “input
signal, ” to produce a new signal, an “output signal, ” is generally referred
to as signal processing, a topic easily illustrated by examples.
• A time ... limits the number of topics that can be covered in a typical
course — in particular, the applications that are so important to engineers
tend to be neglected. In addition, too much time can be ... amplifiers of the powerful receivers used to retrieve the signals.
By suitably preparing the signals prior to transmission, by suitable
filtering of the received signal plus noise, and by suitable decision...
- 460
- 419
- 1
Tài liệu Creating an XML File That Shows Changes Made to a DataSet pptx
Ngày tải lên :
21/01/2014, 11:20
... Creating an XML File That Shows Changes Made to a DataSet
Problem
When you use the GetXML( ) method of the DataSet, you may see only the current
values in the DataSet. You want to get the original ... the first row,
and adds a row to the end of the Categories DataTable
DisplayDiffGram( )
This method outputs the DiffGram for the DataSet to both a file and to a textbox
on the form.
The ... a row is added to the end of the DataTable. After these modifications, the
DiffGram for the DataSet is:
<diffgr:diffgram xmlns:msdata="urn:schemas-microsoft-com:xml-msdata"
xmlns:diffgr="urn:schemas-microsoft-com:xml-diffgram-v1">...
- 6
- 428
- 0
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...
- 3
- 343
- 0
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, ... "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 ...
DataViewManager, or any object that implements the IEnumerable
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...
- 3
- 353
- 0
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); ... DataReader, DataSet, DataTable, or DataView—any class that implements the
IEnumerable interface can be bound. The easiest way to create a DataList control is to
drag the DataList control onto the ... 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( )...
- 9
- 437
- 0
Tài liệu Binding Data to a Web Forms DataGrid ppt
Ngày tải lên :
26/01/2014, 10:20
... 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 ...
// 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 ... dataGrid.CurrentPageIndex = e.NewPageIndex;
// Bind the data view to the data grid.
dataGrid.DataSource = dv;
dataGrid.DataBind( );
}
private void dataGrid_SortCommand(object...
- 5
- 325
- 0
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 ... -off frequency
General data
Supply voltage
Power consumption
Operating temperature
Storage temperature
Approvals
Dimensions L/H/W mm (in.)
Coordination of insulation acc. to DIN EN50178, 04/98
Rated ... coefficent
Response time
General data
Supply voltage
Power consumption
Operating temperature
Storage temperature
Approvals
Dimensions L/H/W mm (in.)
Coordination of insulation acc. to DIN EN50178, 04/98
Rated...
- 4
- 255
- 0
