conversion of digital data into digital signal

Tài liệu Lecture 22: Digital Transmission of Analog Data (Baseband Transmission): doc

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 before they ... that is basic to digital signal processing and digital communication. ã Through the use of sampling, an analog signal is converted to its digital form. ã To obtain either form of pulse modulation ... transmitted in digital transmission system. One means of doing this is called pulse amplitude modulation (PAM). ã The process of converting analog signal to digital is also known as A_to_D conversion...

Ngày tải lên: 09/12/2013, 16:15

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Báo cáo " On the detection of gross errors in digital terrain model source data " pdf

Báo cáo " On the detection of gross errors in digital terrain model source data " pdf

... not directly reflect the character of topography.Notethattheanomaly of i V  may be caused by either gross error of source data orvariation of topography. In next sections, ... the source data,  they can be easily converted to points. 2.Testmethodology 2.1.Test data This research uses two sets of data:  one is the DEM project in the area of old ... of total number of data points and assign them intentional gross errors with magnitude of 2‐20timeslargerthantheoriginalrootmean square error (RMSE). The selected data ...

Ngày tải lên: 22/03/2014, 12:20

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DIGITAL DATA TRANSMISSION - I

DIGITAL DATA TRANSMISSION - I

... the scope the ASK on-off signal Page 8 For Attenuation of 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 ... #5 DIGITAL DATA TRANSMISSION - I 1/27/2010 Page 12 Figure 5 B –II (c) block properties of the signal generator Figure 5 B –II (d) Output of the scope ... the operation of these systems. 3. To measure the effects of noise on the probability of error in the received data. Equipment List 1. PC with Matlab and Simulink Page 3 Digital Modulation...

Ngày tải lên: 19/10/2013, 17:15

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DIGITAL DATA TRANSMISSION - II

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 ... 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 – Correlation of ... B (c) Block parameters of the Digital Signal source Figure B (d) The FSk signal – Block parameters of sample and hold Figure B (e) The block parameters of Pulse generator APPENDIX...

Ngày tải lên: 23/10/2013, 15:15

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THE STATE OF BROADBAND 2012: ACHIEVING DIGITAL INCLUSION FOR ALL docx

THE STATE OF BROADBAND 2012: ACHIEVING DIGITAL INCLUSION FOR ALL docx

... millions of jobs, with the possibility of developing hundreds of thousands of apps and content that can be used by everyone connected via the web. People need to be trained to higher levels of ... change. Today, the digital revolution is transforming our world and our societies even faster, some of which are now connected through voice data and video at the speed of light. Technological ... Lives of Women – and their Families (H.E. Ms. Jasna Matic, Government of the Rep. of Serbia) Featured Insight 5: Broadband and m-Learning (Alcatel Lucent) Featured Insight 6: Integrating ICT into...

Ngày tải lên: 16/03/2014, 05:20

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Báo cáo khoa học: "Incorporating speech recognition confidence into discriminative named entity recognition of speech data" ppt

Báo cáo khoa học: "Incorporating speech recognition confidence into discriminative named entity recognition of speech data" ppt

... NER NER is a kind of chunking problem that can be solved by classifying words into NE classes that consist of name categories and such chunk- ing states as PERSON-BEGIN (the beginning of a person’s ... ASR-based training data and NER-level rejection than using either one. 6 Related work Recent studies on the NER of speech data consider more than 1-best ASR results in the form of N-best lists and ... Conclusion We proposed a method for NER of speech data that incorporates ASR confidence as a feature of discriminative NER, where the NER model 623 by a set of binary values, the same as with an SVM-based...

Ngày tải lên: 17/03/2014, 04:20

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Báo cáo khoa học: "Machine-Learning-Based Transformation of Passive Japanese Sentences into Active by Separating Training Data into Each Input Particle" doc

Báo cáo khoa học: "Machine-Learning-Based Transformation of Passive Japanese Sentences into Active by Separating Training Data into Each Input Particle" doc

... method in 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. ... 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 ... we could not improve the rate of ac- curacy. 5 Method of separating training data into each input particle We develo ped a new method of separating train- ing data into each input (source) particle...

Ngày tải lên: 17/03/2014, 04:20

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Báo cáo khoa học: "Machine-Learning-Based Transformation of Passive Japanese Sentences into Active by Separating Training Data into Each Input Particle" ppt

Báo cáo khoa học: "Machine-Learning-Based Transformation of Passive Japanese Sentences into Active by Separating Training Data into Each Input Particle" ppt

... count- ability of English nouns from corpus data. In Proc. of 41st Annual Meeting of ACL, pages 463–470. T. Baldwin and F. Bond. 2003b. A plethora of meth- ods for learning English countability. In Proc. of 2003 ... 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 ... most of the target nouns. Indeed, the av- erage accuracy of “Proposed” is significantly su- perior to that of “ME” at the 99% confidence level (paired t-test). This improvement is close to that of...

Ngày tải lên: 17/03/2014, 04:20

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mohamed najim  -  digital filters design for signal and image processing

mohamed najim - digital filters design for signal and image processing

... Periodic signals The class of signals termed periodic plays an important role in signal and image processing. In the case of a continuous-time signal, a signal is called periodic of period ... thorough introduction to digital signal processing featuring the design of digital filters. The purpose of the first part (Chapters 1 to 9) is to initiate the newcomer to digital signal and image processing ... Representation of the causal signal x(k)=α │k│ u(k) and of the ROC of its z-transform X z (z) α α 8 Digital Filters Design for Signal and Image Processing Figure 1.6. Several examples of...

Ngày tải lên: 05/06/2014, 12:05

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Báo cáo hóa học: " An investigation into the conversion of In2O3 into InN nanowires" docx

Báo cáo hóa học: " An investigation into the conversion of In2O3 into InN nanowires" docx

... h Initially a flow of 500 sccm of Ar was introduced into the reactor after which the temperature was ramped to T N at 30°C/min under a flow of (I) 250 sccm of NH 3 , (II) 125 scmms of NH 3 and (III) ... describe the conversion of In 2 O 3 NWs into InN and in particular consider the nitridation of In 2 O 3 NWs at different temperatures. To begin with In 2 O 3 NWs were subjected to 250 sccm of NH 3 for ... 500°C under a flow of NH 3 and H 2 whose relative flows varied using a ramp rate of 30°C/min. Upon reaching T N ,the same flow of NH 3 and H 2 was maintained for 1 h. The total flow of NH 3 and H 2 was...

Ngày tải lên: 21/06/2014, 04:20

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Wiley Inside Information Making Sense of Marketing Data.pdf

Wiley Inside Information Making Sense of Marketing Data.pdf

... statistically-based, interrogations of the data. In this book we will be providing the reader with a number of insights into what questions to ask about the origins of different types of evidence. In short, ... Grand Master has incorporated into his/her implicit memory, knowledge of the probability of the success or failure of different moves. This provides a rich reservoir of knowledge which means the ... sure your data are internally consistent with other data in the dataset. For example, if in a survey for an airline we đnd that over three-quarters of customers were delighted with the quality of the...

Ngày tải lên: 13/08/2012, 15:38

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TEST RELIABILITY OF COLLECTED DATA

TEST RELIABILITY OF COLLECTED DATA

... VENTURE 1. Name of the Joint Venture: 2. Name of the Partner of the Joint Venture: 3. Ownership (respective shares of the partner): 4. Date of establishment: 5. Type of industry: 6. Total number of employees ã ... establishment: 5. Type of industry: 6. Total number of employees ã Number of Vietnamese: ã Number of Foreign: ã Ratio of Vietnamese to total number of people in management positions: 7. Turnover: ã Total revenue ... Million Total # of projects : 301 - 90 - 1. Managerial resources of the partner 0 1 2 3 4 2. Skilled manpower resources 0 1 2 3 4 3. Relative low unit cost of production 0 1 2 3 4 4. Accessibility of manufacturing...

Ngày tải lên: 13/04/2013, 11:01

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