| 基于DDS的新型频率合成器的研究 |
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| 引用本文： | 邓小芳,尹锁柱. 基于DDS的新型频率合成器的研究[J]. 广西师范学院学报(自然科学版), 2005, 22(4): 29-32 |
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| 作者姓名： | 邓小芳 尹锁柱 |
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| 作者单位： | 桂林电子工业学院,通信与信息工程系,广西,桂林,541004;桂林电子工业学院,通信与信息工程系,广西,桂林,541004 |
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| 摘 要： | 对DDS基本原理进行了简要介绍，利用信号分析的方法对DDS理想输出进行频谱分析．研究了一种基于DDS用电子开关和倍频器链构成的新型频率合成器设计方案，较以前的研究改善了DDS频率上限与杂散抑制，取得了较好的实验数据并给出了采用该方案的具体实验结果．
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| 关 键 词： | DDS 频谱分析 倍频器链 |
| 文章编号： | 1002-8743（2005）04-0029-04 |
| 收稿时间： | 2005-11-12 |
| 修稿时间： | 2005-11-12 |
The Research into DDS Technique in the New Frequency |
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| DENG Xiao-fang,YIN Suo-zhu. The Research into DDS Technique in the New Frequency[J]. Journal of Guangxi Teachers Education University:Natural Science Edition, 2005, 22(4): 29-32 |
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| Authors: | DENG Xiao-fang YIN Suo-zhu |
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| Affiliation: | Department of Telecommunication and Information Engineering, Guilin University of Electronic Technology, Guilin 541004, China |
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| Abstract: | The fundamental principle of direct digital synthesis (DDS) is introduced in this paper.Based on signal analysis,the ideal output spectrum characteristic of DDS is analyzed briefly.A design of frequency synthesizer combining DDS with a chain of frequency multiplier is given.Then the method of test and some experimental results are also presented in the end. |
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| Keywords: | DDS spectrum characteristic chain of frequency multiplier |
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