digital data analog signal ppt
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...
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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 –...
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Tài liệu Module 4: Designing a User Data Management Strategy pptx
... Designing a User Data Management Strategy 3 Determining Current User Data Environment ???What Is User Data? What Is User Data? ???Which User Data Is Currently Stored?Which User Data Is Currently ... a User Data Management Strategy Determining Current User Data Strategies Determining Current User Data EnvironmentDetermining Current User Data Management Methods Data UsersUsers ... User Data Currently Stored?Where Is User Data Currently Stored????What Is the Current Use of Offline Data? What Is the Current Use of Offline Data? ???What Is the Current Use of Roaming Data? What...
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Tài liệu Module 5: Embedding XML Data in HTML pptx
... nature of a data island. ! Describe how to use Data Source Objects (DSO) to display XML data islands in an HTML page. ! Create an XML data island in an HTML file. ! Bind XML data to HTML ... 5: Embedding XML Data in HTML #### Using Data in Web Browsers !Delivering Data from the Web Server!Using Client-Side Data Source Objects (DSO)!Presentation vs. Data !Internet Explorer ... Objects, and DHTML data binding simplify data access and presentation on the Web. Slide Objective To introduce the concept of data access and data- aware Web pages. Lead-in Data access is now...
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Tài liệu EIA-530 Digital Patching Control Platform pptx
... EIA-530 Digital Patching Control Platformwww.adc.com • +1-952-938-8080 • 1-800-366-3891The PatchMate digital control platform provides a convenient, organized, and secure method of digital communication ... of ADC's global sales office locations, please refer to our web site.PatchMate™ EIA-530 Digital Patching Control PlatformDescriptionModulesPatch module with LEDs PMM-614001– Rear/top ... 9/02 • 528 PatchMate™3PatchMate™ EIA-530 Digital Patching Control Platformwww.adc.com • +1-952-938-8080 • 1-800-366-3891EIA-530 Modules...
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Tài liệu CUSTOMER SATISFACTION USING DATA MINING TECHNIQUES ppt
... BASED DATA MINING TECHNIQUESThe objective of data mining is to extract valuable information from one’s data, to discover the ‘hiddengold’. In Decision Support Management terminology, data mining ... one search for patterns of information in data (Parsaye, 1997).Figure 2: Rule Induction process Data mining techniques are based on data retention and data distillation. Rule induction models ... rule induction data mining.Furthermore, it is examined whether the implementation of the two methodologies may offer a solutionto the problem of missing data, in the initial data set.KEYWORDS:...
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Tài liệu THE DIGITAL LOGIC LEVEL-3 ppt
... cycle1234567T8T9T10T11T12Error Snoop Resp Data Req Error Snoop Resp Data Req Error Snoop Resp Data RespReq Error Snoop Resp Data Req Error Snoop Data Req Error Snoop Resp Data Req Error Snoop Resp Data Figure 3-45. ... IICPUBusarbitrationRequest Data SnoopErrorΦFigure 3-44. Logical pinout of the Pentium II. Names inupper case are the official Intel names for individual signals.Names in mixed case are groups of related signals ... gates.TypicalMicro-ProcessorSymbol forelectrical groundSymbolfor clock signal Bus arbitrationAddressingCoprocessorStatusMiscellaneousInterruptsBus controlPower is 5volts+5v Data ΦFigure 3-33. The logical pinout of...
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Tài liệu Microsoft Access 2007 Data Analysis P2 pptx
... will be stored. All other database objects will refer to the tables inyour database for data, whether asking questions of the data or creatingreports based on the data. This section covers ... limitation.This is not to say that Access has unlimited data storage capabilities. Every bitof data causes the Access database to grow in file size. An Access database hasa file size limitation of 2 gigabytes. ... querying data to get fast results, but it’s important tounderstand the basics of the relational database concept before poundingaway at data. A good understanding of how a relational database...
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Tài liệu Digital Photography - Phần 1 pptx
... chemicals. WHY GO DIGITAL? Once captured, digital photographs are already in a format that makes them incredibly easy to distribute and use. For example, you can insert digital photographs ... large-screen TV. Digital photography is instant photography without the film costs! If you're considering going digital, here are a few more reasons to get even more serious. - Going digital ... processed. (Or wasting unexposed film when you can't wait.) Digital cameras are becoming more than just cameras. Some digital cameras are capable of capturing not only still photographs,...
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Tài liệu Digital Photography - Phần 2 pptx
... link in the chain. The key element in digital photography is an image in a digital format made up pixels. Although a digital camera captures photos in this digital format, you can also scan slides, ... steps of digital photography Digital cameras are just one link in a long chain leading from the original scene through to the final image that you display or distribute. In fact, a digital ... same digital format. To understand how the camera fits in with other parts of the digital photography system, it helps to understand the three basic steps involved in creating and using digital...
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Tài liệu A Concise Introduction to Data Compression- P2 ppt
... watermark.2Huffman CodingHuffman coding is a popular method for compressing data with variable-length codes.Given a set of data symbols (an alphabet) and their frequencies of occurrence (or, equiv-alently, ... the compressed data on a file, the variance of the codemakes no difference. A small-variance Huffman code is preferable only in cases wherethe encoder transmits the compressed data, as it is being ... starts with aspecial header indicating mode 1, followed by the length LEN of the data, followed byLEN bytes of literal data. Notice that the maximum value of LEN is 65,535.2. Compression with fixed...
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Tài liệu A Concise Introduction to Data Compression- P3 pptx
... which makes it so useful in data compression,is that it takes correlated input data and concentrates its energy in just the first fewtransform coefficients. If the input data consists of correlated ... thequantized coefficients. This results in data items that are not identical to the originalones but are not much different.In practical applications, the data to be compressed is partitioned into ... as 3, 4, or 6 result in many small sets of data items.Such a small set is transformed to a small set of coefficients where the energy of theoriginal data is concentrated in a few coefficients, but...
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Tài liệu A Concise Introduction to Data Compression- P4 pptx
... eye is therefore similar to a digital camera. Once we realize this, wenaturally want to compare the resolution of the eye to that of a modern digital camera.Current digital cameras have from 500,000 ... for theentire 64-pixel data unit is the 46-bit number1111111111100111010001001101101110111010101010.These 46 bits encode one color component of the 64 pixels of a data unit. Let’s assumethat ... set of basis imagesthat have higher and higher frequencies. Given a data vector, the DCT separates thefrequencies in the data and represents the vector as a linear combination (or a weightedsum)...
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Tài liệu A Concise Introduction to Data Compression- P6 pptx
... used to compress data that has been digitized from an analog source, suchas sampled sound and scanned images (drawings or photographs). Such data is calleddigitally sampled analog data (DSAD). ... nine bits. Since the uncoded data requires just two bits (01 or 10),the compression ratio is 9/2=4.5 (the compressed data is 4.5 times bigger than theoriginal data; a significant expansion).Please ... Ifthe data to be compressed is in the form of large numbers, quantization is used toconvert them to small numbers. This results in (lossy) compression. If the data tobe compressed is analog...
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Tài liệu Statistical Description of Data part 9 pptx
... the values of the data. That means that we can doall the fitting in advance, for fictitious data consisting of all zeros except for a single 1, andthen do the fits on the real data just by taking ... noisy data. The premise of data smoothing is that one is measuring a variable that is both slowlyvarying and also corrupted by random noise. Then it can sometimes be useful to replaceeach data ... relativewidths and heights of spectral lines in noisy spectrometric data. Recall that a digital filter is applied to a series of equally spaced data values fi≡ f(ti),where ti≡ t0+ i∆ for some constant...
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- digital data over analog signal
- digital data to analog signal encoding
- digital data analog signal pdf
- digital data analog signal
- analog data to analog signal ppt
- analog data analog signal interference
- analog data to digital signal ppt
- digital data analog signal encoding techniques
- analog data analog signal encoding
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