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| 数字图象m-QAM传输的研究 | |
| 引用本文： | 黄元,陆庆天.数字图象m-QAM传输的研究[J].中国图象图形学报,1997,2(11):783-789. |
| 作者姓名： | 黄元 陆庆天 |
| 作者单位： | 暨南大学电子工程系 |
| 摘 要： | 介绍了适用于高速数字ＨＤＴＶ传输的ｍ－ＱＡＭ方式，给出了６４ＱＡＭ格雷码的编、解码逻辑及格雷码星座。分析了ｍ－ＱＡＭ特性并对其传输性能进行了计算机模拟。 |
| 关 键 词： | 数字图象传输，多电平正交调幅，格雷码，功率谱密度，误码率 |
Study for m QAM Digital Image Transmission |
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| Huang Yuan and Lu Qingtian.Study for m QAM Digital Image Transmission[J].Journal of Image and Graphics,1997,2(11):783-789. | |
| Authors: | Huang Yuan and Lu Qingtian |
| Abstract: | This paper describes a m QAM method suitable for high speed digital HDTV transmission.Both Gray code logic of coding/decoding and constellation for 64QAM are given.The characteristics of m QAM are analyzed and the computer simulation for studing the transmission properties has been carried out. |
| Keywords: | Digital image transmission Multi level quadrature amplitude modulation Gray code Power spectrum density Error code rate |
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