| 摘要: |
| 本文通过对欧洲数字视频地面广播调制方案的分析，结合计算机仿真和工程应用，深入研究了基于DVB－T标准、适用于编码正交频分复用（COFDM）系统的信道估计算法，Matlab仿真及FPGA电路实现表明该算法具有可靠性高、复杂度低及易于实现的良好性能。 |
| 关键词: COFDM系统 信道估计算法 高清晰度数字电视 编码 正交频分复用 DVB－T标准 |
| DOI：10.3969/j.issn.1001-893X. |
| 修订日期：2002-06-03 |
| 基金项目:视频广播关键技术研究基金资助 |
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| Channel Estimation Algorithm for COFDM System |
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| Abstract: |
| By analyzing the modulation scheme of the European Digital Video Broadcasting-Terrestrial , combining with computer simulation and engineering application, this paper makes a deep research on the channel estimation algorithm which is based on the DVB-T standard and suitable for COFDM system. Matlab simulation and FPGA circuit realization prove that the algorithm has such good performance as high reliability, low complexity and easy to realize. |
| Key words: HDTV,COFDM,Channel estimation,Algorithm, |
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