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Research and Applacation of Mobile Television Broadcast System Based on DBM-T

Author: GaoJian
Tutor: ZhangLianHai
School: PLA Information Engineering University
Course: Electronics and Communication Engineering
Keywords: Digital TV DMB-T Launch Reliability
CLC: TN949.197
Type: Master's thesis
Year: 2009
Downloads: 41
Quote: 0
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Abstract


Mechanical television era , black-and-white electronic and color television era , television has entered the era of digital television . For terrestrial digital TV broadcasting , the world has three international standards : European DVB-T, ATSC in the United States and Japan's ISDB -T , many countries and regions in the selection and to develop their own digital terrestrial television broadcasting standard . In this context , China has also put forward a novel , suitable for China 's terrestrial digital TV program , known as Terrestrial Digital Multimedia Broadcasting (DMB-T: Terrestrial Digital Multimedia / TV Broadcasting) protocol , its core mQAM / QPSK time-domain synchronous orthogonal frequency division multiplexing (TDS-OFDM: Time Domain Synchronous-Orthogonal Frequency Division Multiplexing) modulation techniques . In this paper, DMB-T standard for digital television broadcasting technology, design a mobile TV broadcasting system in Zhengzhou City . Based on the actual development of the market demand of the DMB-T mobile digital TV business , and in order to better understand and use DMB-T technology to guide the problems you might encounter in engineering practice , this paper their design and analysis . World DVB -T , DMB-T China has independently developed its under the same conditions , a detailed test and contrast , and DMB-T digital TV broadcasting is more suitable for China's national conditions conclusions . Test of the system : the operation of the project is reliable, stable , reached a predetermined target , to meet the actual demand , has a high value in engineering applications .

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