| 基于DAC5686的线性调频信号产生方法研究 |
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| 引用本文： | 杨震,陈建辉,魏保华,郑思龙.基于DAC5686的线性调频信号产生方法研究[J].军械工程学院学报,2012(6):36-39. |
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| 作者姓名： | 杨震 陈建辉 魏保华 郑思龙 |
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| 作者单位： | 军械工程学院导弹工程系,河北石家庄050003 |
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| 摘 要： | 研究了基于DAC5686的线性调频信号产生方法。分析了线性调频信号及其产生原理，研究了DAC5686工作原理，设计了信号产生电路，给出了线性调频信号的实现实例．结果表明，该方法可以灵活地产生所需线性调频信号，从而满足某型地空导弹制导雷达中频接收机性能测试的需要．与传统的线性调频信号产生方法相比，该方法降低了系统设计难度，缩短了开发周期，提高了设计的可靠性，具有较高的实用价值，对于其它场合频线性调频信号的产生也具有一定的借鉴意义．
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| 关 键 词： | DAC5686 线性调频 信号产生 FPGA 制导雷达 |
A Study on the Generation of LFM Signal Based on DAC5686 |
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| YANG Zhen,CHEN Jian-hui,WEI Bao-hua,ZHENG Si-long.A Study on the Generation of LFM Signal Based on DAC5686[J].Journal of Ordnance Engineering College,2012(6):36-39. |
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| Authors: | YANG Zhen CHEN Jian-hui WEI Bao-hua ZHENG Si-long |
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| Institution: | (Department of Missile Engineering, Ordnance Engineering College, Shijiazhuang 050003, China) |
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| Abstract: | A method of LFM signal generation based on DAC5686 is studied. The theory of LFM signal generation is analysed, the work principle of DAC5686 is studied, the circuit of signal gener- ation is designed. Finally,example of realization is given. The result indicates that LFM signal can be generated agilely using the method in this paper, so that the LFM signal requirement to test the intermediate frequency receiver in guidance radar of a surface-to-air missile can be satisfied. Compared to traditional methods of LFM signal generation,the method in this paper can reduce the de sign difficulty, shorten the research time, and advance the reliability. The method is quite practical, and can be used for reference to generate LFM signal in other situations. |
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| Keywords: | DAC5686 linear frequency modulation （LFM） signal generation FPGA guidance radar |
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