| 512QAM星座图的选取和实现 |
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| 引用本文： | 傅海阳,桂立.512QAM星座图的选取和实现[J].南京邮电大学学报(自然科学版),1998(3). |
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| 作者姓名： | 傅海阳 桂立 |
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| 作者单位： | 南京邮电学院通信工程系 |
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| 摘 要： | 研究了多电平正交幅度调制（ＱＡＭ）星座图的选取及５１２ＱＡＭ调制解调器的实现，给出了多种星座图的设计方法并比较了各自的系统性能。
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| 关 键 词： | 正交幅度调制，调制解调器，星座图 |
Selection and Realization of 512QAM Constellation |
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| Fu Haiyang,Gui Li.Selection and Realization of 512QAM Constellation[J].Journal of Nanjing University of Posts and Telecommunications,1998(3). |
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| Authors: | Fu Haiyang Gui Li |
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| Institution: | Fu Haiyang Gui Li Department of Communication Engineering,Nanjing Institute of Posts and Telecommunications,210003,Nanjing,PRC |
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| Abstract: | The selection of multi level QAM constellation and the realization of 512QAM modem are discussed in this paper. The stepped QAM constellation, which is widely used in SDH microwave transmission systems, is selected because it can be realized easily with better characteristics. |
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| Keywords: | Quadrature amplitude modulation Modem Constellation |
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