| 基于DDS的雷达中频信号源设计与实现 |
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| 引用本文： | 綦睿,罗丰,吴顺君. 基于DDS的雷达中频信号源设计与实现[J]. 火控雷达技术, 2006, 35(3): 47-49,68 |
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| 作者姓名： | 綦睿 罗丰 吴顺君 |
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| 作者单位： | 西安电子科技大学,西安,710071 |
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| 摘 要： | 本文首先介绍直接数字频率合成技术的基本原理以及ADI公司DDS芯片AD9854的功能、特点、具体应用方法,提出利用Altera公司Cyclone系列FPGA和AD9854设计某型雷达中频信号源的具体方案,最后给出实测波形.结果表明信号质量较高,满足实际要求.
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| 关 键 词： | 直接数字频率合成 AD9854 线性调频信号 椭圆滤波器 |
| 文章编号： | 1008-8652（2006）03-047-003 |
| 收稿时间： | 2006-01-20 |
| 修稿时间： | 2006-01-20 |
Design and Implementation of Radar Intermediate Frequency Signal Generator Based on DDS |
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| Qi Rui,Luo Feng,Wu Shunjun. Design and Implementation of Radar Intermediate Frequency Signal Generator Based on DDS[J]. Fire Control Radar Technology, 2006, 35(3): 47-49,68 |
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| Authors: | Qi Rui Luo Feng Wu Shunjun |
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| Abstract: | This paper introduces the basic theory of direct digital synthesis(DDS) technology as well as function,characteristics and usage of a chip AD9854 manufactured by the ADI Company.Detailed design scheme of an IF signal generator using FPGA and AD9854 is put forward,and experimental signal waveform is given.Experimental results show that quality of LFM signal is perfect and can meet practical requirements. |
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| Keywords: | direct digital frequency synthesis AD9854 LFM signal elliptical filter |
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