| 一种抑制严重非均匀杂波的机载MIMO-STAP方法 |
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| 引用本文： | 李彩彩,廖桂生,朱圣棋,吴孙勇.一种抑制严重非均匀杂波的机载MIMO-STAP方法[J].电子学报,2011,39(3):511-517. |
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| 作者姓名： | 李彩彩 廖桂生 朱圣棋 吴孙勇 |
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| 作者单位： | 西安电子科技大学雷达信号处理重点实验室,陕西西安 710071 |
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| 基金项目： | 国家自然科学基金重点项目(No.60736009); 国家杰出青年科学基金(No.60825104) |
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| 摘 要： | 在机载MIMO雷达体制下,针对严重非均匀环境(包括斜视阵和前视阵近程段),提出了一种新的基于时域平滑的两级级联降维STAP方法,先后对杂波和孤立干扰进行抑制.第一级对少量独立同分布(IID)辅助样本进行平滑,用得到的所有样本估计杂波特性并用先时后空自适应级联处理器(称为mDT-SAP)中的3DT-SAP(简称3DT)方...
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| 关 键 词： | STAP(Space-Time Adaptive Processing) MIMO(Multiple Input Multiple Output)雷达 非均匀杂波 |
| 收稿时间： | 2010-02-24 |
An Airborne MIMO-STAP Method for Severely Non-Homogeneous Clutter Suppression |
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| LI Cai-cai,LIAO Gui-sheng,ZHU Sheng-qi,WU Sun-yong.An Airborne MIMO-STAP Method for Severely Non-Homogeneous Clutter Suppression[J].Acta Electronica Sinica,2011,39(3):511-517. |
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| Authors: | LI Cai-cai LIAO Gui-sheng ZHU Sheng-qi WU Sun-yong |
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| Institution: | National Lab of Radar Signal Processing,Xidian University,Xi’an,Shaanxi 710071,China |
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| Abstract: | A two stage hybrid reduced rank STAP method is proposed for severely non-homogeneous environment in MIMO radar.It firstly suppresses the clutter and then rejects isolated interferers.In the first stage,forward/backward temporal smoothing technique is applied to the limited secondary samples to gain more samples from which clutter covariance matrix is estimated.And then 3DT or 3CAP method is used for clutter suppressing.In the second stage,upon applying forward/backward temporal smoothing technique to the sa... |
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| Keywords: | STAP(Space-Time Adaptive Processing) MIMO(Multiple Input Multiple Output) radar non-homogeneous clutter |
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