| 基于PD处理技术的雷达弱信号检测方法 |
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| 引用本文： | 李春锋,康天军,梁治科,陈建军.基于PD处理技术的雷达弱信号检测方法[J].飞行器测控学报,2014(2):113-118. |
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| 作者姓名： | 李春锋 康天军 梁治科 陈建军 |
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| 作者单位： | 63620部队,甘肃酒泉732750 |
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| 摘 要： | 针对脉冲跟踪测量雷达普遍存在的远距离弱信号检测能力不足的问题，基于PD（PulseDoppler，脉冲多普勒）雷达的杂波抑制与信号处理技术，提出脉冲雷达中的弱信号检测方法；详细分析了在脉冲跟踪测量雷达中应用PD处理技术的可行性，得出在一定约束条件下，可将PD处理技术运用于脉冲跟踪测量雷达，并提出了具体实现方法；最后，通过数据仿真和脉冲雷达实际测量数据进行验证，结果表明该方法能有效提高信噪比。
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| 关 键 词： | 脉冲多普勒雷达 杂波抑制 多普勒滤波 快速傅里叶变换（FFT） 弱信号检测 |
On Weak Signal Detection Method for Pulse Radars Based on PD Processing Technology |
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| LI Chunfeng,KANG Tianjun,LIANG Zhike,CHEN Jianjun.On Weak Signal Detection Method for Pulse Radars Based on PD Processing Technology[J].Journal of Spacecraft TT&C Technology,2014(2):113-118. |
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| Authors: | LI Chunfeng KANG Tianjun LIANG Zhike CHEN Jianjun |
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| Institution: | (PLA Unit 63620, Jiuquan, Gansu Province 732750) |
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| Abstract: | Based on clutter suppression and signal processing technology for PD （Pulse Doppler） radars, a weak sig- nal detection method {or pulse radars is presented to make up for ubiquitous poor weak signal detection capability of pulse tracking radars at far distance. A brief introduction of PD processing technology is given and the feasibility for application of the technology in pulse tracking radars is analyzed in detail. Within certain constraints, PD processing technology can be used by pulse tracking radars. Implementation method is given. Simulation and measurement data validation show that the method effectively increases signal-to-noise ratio. |
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| Keywords: | pulse doppler radar clutter suppressing Doppler filter Fast Fourier Transform （FFT） weak signaldetection |
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