| 基于DDS技术的LFM信号仿真研究 |
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| 引用本文： | 刘晓丹,漆德宁.基于DDS技术的LFM信号仿真研究[J].火控雷达技术,2008,37(4). |
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| 作者姓名： | 刘晓丹 漆德宁 |
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| 作者单位： | 解放军炮兵学院,合肥,230031 |
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| 摘 要： | 简单介绍直接数字频率合成(DDS)技术和Simulink仿真系统的特点及背景,阐述DDS的基本工作原理并对它的调制机理进行了分析;在Simulink环境下建立了DDS的LFM信号的动态仿真模型,分析DDS动态仿真LFM模型中各模块的功能和来源;对所建系统进行了仿真实验,在实验的基础上分析仿真结果,为研究和设计直接数字频率合成系统提供理论和实验基础.
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| 关 键 词： | 直接数字频率合成 线性调频信号 仿真 |
Simulation Study on LFM Signal Based on DDS Technique |
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| Liu Xiaodan,Qi Dening.Simulation Study on LFM Signal Based on DDS Technique[J].Fire Control Radar Technology,2008,37(4). |
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| Authors: | Liu Xiaodan Qi Dening |
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| Affiliation: | Liu Xiaodan Qi Dening(Artillery Academy of PLA,Hefei 230031) |
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| Abstract: | This paper introduces the direct digital frequency synthesis(DDS) technique and characteristics and background of Simulink Simulation system,explains the basic working-principle of DDS and analyzes its modulating principle.The dynamic simulation model of linear frequency modulation(LFM) signal based on DDS is established in the Simulink environment,and the function and source of each module in DDS dynamic simulation LFM mode are analyzed;the simulation and experiment of the established system is made,and th... |
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| Keywords: | direct digital frequency synthesis LFM signal simulation |
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