博碩士論文 88521058 完整後設資料紀錄

DC 欄位 語言
DC.contributor電機工程研究所zh_TW
DC.creator黃敏瑞zh_TW
DC.creatorMing-Ruan Huangen_US
dc.date.accessioned2001-6-19T07:39:07Z
dc.date.available2001-6-19T07:39:07Z
dc.date.issued2001
dc.identifier.urihttp://ir.lib.ncu.edu.tw:444/thesis/view_etd.asp?URN=88521058
dc.contributor.department電機工程研究所zh_TW
DC.description國立中央大學zh_TW
DC.descriptionNational Central Universityen_US
dc.description.abstract本論文主要是要架設一套資料量為6MHz,載波為50MHz的16QAM調變器,是為了配合數位DTV在無線傳輸方面的應用。因數位DTV系統,其每個channel頻寬為6MHz,而其頻段由60MHz至800MHz皆有,並且以16QAM為調變的方式,每6MHz惟一個頻寬。因此規格為6MHz為頻寬,50MHz為載波頻段,本文在analog device公司出品的AD9853,以滿足本文所要求的規格。 而此顆IC為可程式化的,寫入的方式是藉由I2C通訊協定,由於這顆IC有許多的功能,包括Preamble,Randomizer,Reed-Solomom Encoder及FIR Digital Filter,其載波的頻段可調,data rate的速度可調等等,所以想要AD9853發射出什麼信號,就需要用I2C的方式來寫入。 為實現I2C通訊協定,本文採用了兩種方式,1. PIC(單晶片)來實現 2.電腦並列阜加上74系列的控制IC來實現。單晶片的傳輸速度較快,而電腦並列阜的傳輸速度則較慢。zh_TW
dc.description.abstractBecause people need more and more service in wireless communication,so we have to raise our frequency to fit these requirement。For example,DTV(digital television ) is a kind of system that uses 28GHz in wireless communication,and it has many channels in 50MHz~900MHZ,each channel has 6MHZ data rate。The modulator for DTV is 16 QAM,and aspect of this thesis is 16 QAM modulator。 We use a chip is analog device AD9853,for this purpose,It's Function include : Preamble , Reed-Solomom Encoder,Randomizer,16 QAM Modulation and FIR Digital Filter。We setup it according to its and program it by I2C communication algorithm which uses PIC(peripheral interface controller) and parallel port to implement 。en_US
DC.subject調變zh_TW
DC.subject16QAMen_US
DC.subject modulationen_US
DC.subject modulatoren_US
DC.title16QAM調變系統 zh_TW
dc.language.isozh-TWzh-TW
DC.title16 QAM Modulator en_US
DC.type博碩士論文zh_TW
DC.typethesisen_US
DC.publisherNational Central Universityen_US

若有論文相關問題,請聯絡國立中央大學圖書館推廣服務組 TEL:(03)422-7151轉57407,或E-mail聯絡  - 隱私權政策聲明