convert digital data into analog signal
Tài liệu Lecture 22: Digital Transmission of Analog Data (Baseband Transmission): doc
... Telecommunications, Winter 2000 Lecture-22 Digital Transmission Digital Transmission of Analog Data (Baseband Transmission): • Analog voice data must be translated into a series of binary digits before ... 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 ... 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 the first place....
Ngày tải lên: 09/12/2013, 16:15
KỸ THUẬT VIỄN THÔNG - Chương 6: Truyền dữ liệu tương tự và dữ liệu số (Analog and digital data transmission) pps
Ngày tải lên: 10/07/2014, 17:20
Turning Data into Information
... 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,...
Ngày tải lên: 03/10/2013, 00:20
DIGITAL DATA TRANSMISSION - I
... 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
DIGITAL DATA TRANSMISSION - II
... 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
Tài liệu Retrieving Hierarchical Data into a DataSet ppt
... 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 ... HierarchicalDataSetForm_Load(object sender, System.EventArgs e) { ds = new DataSet( ); // Get the schema for the Orders table. DataTable parentTable = new DataTable("Orders"); SqlDataAdapter ... with the grid. dataGrid.DataSource = parentTable.DefaultView; } private void loadDataSetButton_Click(object sender, System.EventArgs e) { // Remove all data from the DataSet and refresh...
Ngày tải lên: 24/12/2013, 05:15
Tài liệu Lab B: Creating Templates to Import Data into the Metadirectory pptx
... 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....
Ngày tải lên: 24/01/2014, 19:20
Weidmuller micro analog signal conditioner
... 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
Báo cáo khoa học: "Machine-Learning-Based Transformation of Passive Japanese Sentences into Active by Separating Training Data into Each Input Particle" doc
... 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...
Ngày tải lên: 17/03/2014, 04:20
Báo cáo khoa học: "Machine-Learning-Based Transformation of Passive Japanese Sentences into Active by Separating Training Data into Each Input Particle" ppt
... 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....
Ngày tải lên: 17/03/2014, 04:20
Writing Research: Transforming Data into Text
... 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 ...
Ngày tải lên: 17/03/2014, 21:37
mohamed najim - digital filters design for signal and image processing
Ngày tải lên: 05/06/2014, 12:05
digital data integrity the evolution from passive protection to active management
Ngày tải lên: 03/07/2014, 16:06
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