| 摘要: |
| 探讨了多音并行ＨＦ ＭＯＤＥＭ的原理，采用频谱分析的方法实现全数字化多音并行ＨＦ ＭＯＤＥＭ，其中解调、同步和多普勒频移补偿都是通过ＦＦＴ来完成。本方案已经在计算机上模拟实现。 |
| 关键词: 数字通信 频谱分析 调制解调 |
| DOI：10.3969/j.issn.1001-893X. |
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| 基金项目: |
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| Realization of HF Parallel Multitone MODEM Using Frequency Spectrum Analysis |
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| Abstract: |
| In this paper, the principle of HF multitone parallel Modem is discussed. A method of realizing this kind of modem is introduced. Major processes such as demodulation, synchronization and Doppler correction are all realized with help of FFT. |
| Key words: Data Communication, Frequency Spectrum Analysis, Modem, |
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