DIGITAL DATA TRANSMISSION - I
... Page 11 II. ASK Transmission (on-off Keying) The circuit is build as shown in figure below. The input sine wave is multiplied by a pulse generator, which can be used as a digital data bit. Figure ... 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)...
Ngày tải lên: 19/10/2013, 17:15
DIGITAL DATA TRANSMISSION - II
... LAB REPORT EXPERIMENT 6 DIGITAL DATA TRANSMISSION - II SUBMITTED BY Solve the equation above and get (f 1 -f 0 )T ... 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 represent ... Master Clock). In this mode, a cosine 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...
Ngày tải lên: 23/10/2013, 15:15
... learning. Overview of Data Transmission Why Securing Data Transmission Is Important Common Vulnerabilities to Data Transmission Practice: Analyzing Risks to Data Transmission How to ... threats and analyze risks to data transmission. Design security for data transmission. Introduction Ob j ectives 20 Module 10: Creating a Security Design for Data Transmission Lab A: ... Determining Threats and Analyzing Risks to Data Transmission 2 Lesson: Designing Security for Data Transmission 7 Lab A: Designing Security for Data Transmission 19 Course Evaluation 22 Module...
Ngày tải lên: 18/01/2014, 05:20
... Analog and Digital Data Transmission Data Entities that convey meaning Signals Electric or electromagnetic representations of data Transmission Communication of data by propagation ... with DC Component Data Rate and Bandwidth Any transmission system has a limited band of frequencies This limits the data rate that can be carried William Stallings Data and Computer Communications Chapter ... Frequency Components Data and Signals Usually use digital signals for digital data and analog signals for analog data Can use analog signal to carry digital data Modem Can use digital...
Ngày tải lên: 16/02/2014, 08:20
Tài liệu Chapter 9 Using Telephone and Cable Networks for Data Transmission pptx
... high-speed data transfer. In this section, we briefly high-speed data transfer. In this section, we briefly discuss this technology. discuss this technology. Bandwidth Sharing CM and CMTS Data Transmission ... DSLAM 9.37 Figure 9.18 Cable modem transmission system (CMTS) 9.13 Figure 9.7 Modulation/demodulation 9.30 9-5 CABLE TV FOR DATA TRANSFER 9-5 CABLE TV FOR DATA TRANSFER Cable companies are now ... 9.1 Chapter 9 Using Telephone and Cable Networks for Data Transmission Copyright â The McGraw-Hill Companies, Inc. Permission required for reproduction...
Ngày tải lên: 16/02/2014, 20:20
báo cáo hóa học: " Data processing techniques for a wireless data transmission application via mud" ppt
Ngày tải lên: 21/06/2014, 00:20
Báo cáo hóa học: " Design and Realization of a New Signal Security System for Multimedia Data Transmission" ppt
Ngày tải lên: 23/06/2014, 01:20
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
Parallel Data Input-Output
... others. Such simultaneous input/output of several-bit data is referred to as parallel data input/output and the peripheral functions for parallel data input/output are called "I/O ports", ... Chapter 8 Parallel Data Input/Output Although the programs described in Chapter 6 use the memory and CPU registers only, this chapter explains how to input and output parallel data. Among ... ports", which have registers and pins as shown in Figure 8.1. Figure 8.1: Parallel Data Input/Output Parallel data input/output using I/O ports are performed through registers as shown...
Ngày tải lên: 29/09/2013, 11:20
Programming Serial and Parallel Ports
... reserved. // set up the serial port myPort.setSerialPortParams(BAUD, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); break; case CommPortIdentifier.PORT _PARALLEL: thePort = ... timeout. tty = (SerialPort) port.openPort("Penman Driver", 1000); // set up the serial port tty.setSerialPortParams(9600, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); tty.setFlowcontrolMode(SerialPort.FLOWCTRL_RTSCTS_OUT| SerialPort.FLOWCTRL_RTSCTS_OUT); // ... JLabel(" ;Serial Ports", JLabel.RIGHT)); serialPortsChoice = new JComboBox(); centerPanel.add(serialPortsChoice); serialPortsChoice.setEnabled(false); centerPanel.add(new JLabel("Parallel...
Ngày tải lên: 27/10/2013, 14:15
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) : ã Analog voice data must be translated into a series of binary digits ... sequence of coded pulses. The transmission takes place at both discrete amplitude and discrete times. Digital Pulse modulation or the use of coded pulses for the transmission of analog information ... taken. These 8000 samples are then transmitted as a serial stream of 0s and 1s. Then 8 bits per sample times 8000 samples requires a 64,000 bps transmission rate. (8 x 8000 = 64000 bps = 64 kbps)...
Ngày tải lên: 09/12/2013, 16:15
Tài liệu Báo cáo khoa học: "Collecting Highly Parallel Data for Paraphrase Evaluation" doc
... by presenting a novel data collection framework that produces highly parallel text data relatively inexpensively and on a large scale. The highly parallel nature of this data allows us to use ... bilingual data to sup- port paraphrase extraction. In contrast, our approach only requires monolingual data, and evaluation can be performed using arbitrarily small, highly -parallel datasets. ... significant amount of translation data, unique in its multilingual parallelism. While included in our data release, we leave aside a full discussion of this multilingual data for future work. 192 vey...
Ngày tải lên: 20/02/2014, 04:20
Báo cáo khoa học: "A DOM Tree Alignment Model for Mining Parallel Data from the Web" doc
... hyperlinks are used to pin- point new parallel data, and make parallel data mining a recursive process. Parallel text chunks are fed into sentence aligner to extract parallel sentences. Benchmarks ... sentence pairs are either exact or roughly parallel. Corpus Exact Parallel Roughly Parallel Not Parallel Mined 1703 167 130 Table 3 Quality of Mined Parallel Sentences As we know, the absolute ... the location holding more parallel data. This ap- proach is based on our observation that parallel pages share similar structures holding parallel content, and parallel hyperlinks refer to...
Ngày tải lên: 08/03/2014, 02:21
Báo cáo khoa học: "A Wiki-style Platform for Creation of Parallel Data" doc
Ngày tải lên: 17/03/2014, 02:20
Báo cáo khoa học: "Multilingual Named Entity Recognition using Parallel Data and Metadata from Wikipedia" potx
... Figure 1: A parallel sentence-pair showing gold-standard NE labels and word alignments. To create our dataset, we followed Smith et al. (2010) to find parallel- foreign sentences ... data sizes are fairly small as the data is Language Entities Aligned % English 342 93.9% Bulgarian 344 93.3% English 414 88.4% Korean 423 86.5% Table 1: English-Bulgarian and English-Korean data characteristics. used ... Association for Computational Linguistics Multilingual Named Entity Recognition using Parallel Data and Metadata from Wikipedia Sungchul Kim ∗ POSTECH Pohang, South Korea subright@postech.ac.kr Kristina...
Ngày tải lên: 23/03/2014, 14:20
thomas and patnaik-serial correlation in high-frequency data and the link with liquidity
... non-over-lapping data in VR studies when applied to HF data: ã The abundance of HF data and the lower efficiency of overlapping VR would imply that we should use non-overlapping VRs to test for serial correlation ... the recent past, intra-day financial markets data has become available for analysis. This high frequency data (HF data) constitutes price and volumes data that can be observed at intervals that are ... using overlapping data vs. non-overlapping data. In the former, the aggregation of data over q periods is done using overlapping windows of length q, whereas in the latter the data is aggregated...
Ngày tải lên: 24/04/2014, 00:23
Báo cáo hóa học: " Research Article Multiradio Resource Management: Parallel Transmission for Higher Throughput?" potx
Ngày tải lên: 21/06/2014, 22:20