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, |