| 一种新型扫频仪的设计 |
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| 引用本文： | 马文瑞,杨培君.一种新型扫频仪的设计[J].电子科技,2011,24(5):69-72. |
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| 作者姓名： | 马文瑞 杨培君 |
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| 作者单位： | (西安电子科技大学 电子工程学院,陕西 西安 710071) |
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| 摘 要： | 选用了一种基于DSP与FPGA结构的新型射频扫频仪的设计方案,重点讨论了其扫频信号源的设计.分析了频率合成技术的发展趋势,介绍了PLL技术和DDS技术的原理,并在此基础上给出了以PLL+DDS方式实现的扫频信号源设计.
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| 关 键 词： | DSP 扫频仪 PLL DDS |
Design of a Novel Frequency Sweeper |
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| Ma Wenrui,Yang Peijun.Design of a Novel Frequency Sweeper[J].Electronic Science and Technology,2011,24(5):69-72. |
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| Authors: | Ma Wenrui Yang Peijun |
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| Affiliation: | (School of Electronic Engineering,Xidian University,Xi'an 710071,China) |
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| Abstract: | A new RF sweeping system based on a structure composed of DSP and FPGA is presented,with focus on the design of the sweeping signal generator.The trend of frequency synthesizers is discussed.After introducing the theory of phase locked loop and direct digital frequency synthesis technology,a design of signal generator based on the DDS＋PLL structure is put up in the end of this paper. |
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| Keywords: | DSP frequency sweeper PLL DDS |
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