| 线性调频信号数字脉冲压缩技术分析 |
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| 引用本文： | 郑力文,孙晓乐.线性调频信号数字脉冲压缩技术分析[J].现代电子技术,2011,34(1):39-42. |
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| 作者姓名： | 郑力文 孙晓乐 |
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| 作者单位： | 中国空空导弹研究院,河南,洛阳,471009 |
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| 摘 要： | 在线性调频信号脉冲压缩原理的基础上，利用Matlab对数字脉冲压缩算法进行仿真，得到了雷达目标回波信号经过脉冲压缩后的仿真结果。运用数字脉冲压缩处理中的中频采样技术与匹配滤波算法，对中频采样滤波器进行了优化，降低了实现复杂度，减少了运算量与存储量。最后总结了匹配滤波的时域与频域实现方法，得出在频域实现数字脉冲压缩方便，运算量小，更适合线性调频信号。
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| 关 键 词： | 线性调频信号 脉冲压缩 中频采样 匹配滤波 |
Digital Pulse Compression Technology of Linear Frequency Modulation Signal |
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| ZHENG Li-wen,SUN Xiao-le.Digital Pulse Compression Technology of Linear Frequency Modulation Signal[J].Modern Electronic Technique,2011,34(1):39-42. |
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| Authors: | ZHENG Li-wen SUN Xiao-le |
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| Affiliation: | ZHENG Li-wen,SUN Xiao-le(China Airborne Missile Academy,Luoyang 471009,China) |
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| Abstract: | Based on the principle of pulse compression technology of linear frequency modulation signal,the simulation result of radar echo signal compressed by the pulse can be gained by using Matlab to simulate the digital pulse compression algorithm.Combining the technology of IF sampling with the matching filter algorithm in the digital pulse compression processing and optimazing the IF sampling filter,which can remarkably reduce the complexity and decrease the multiplier operation and the memory.Finally,the imple... |
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| Keywords: | linear frequency modulation signal pulse compression IF sampling matching filter |
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