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| 压制性干扰的SAR成像特性分析 | |
| 引用本文： | 贺照辉,杨军,秦江敏,谢跃权.压制性干扰的SAR成像特性分析[J].空军雷达学院学报,2005,19(4):10-13. |
| 作者姓名： | 贺照辉 杨军 秦江敏 谢跃权 |
| 作者单位： | 1. 空军雷达学院研究生管理大队,湖北,武汉,430019 2. 空军雷达学院信息与指挥自动化系,湖北,武汉,430019 3. 空军雷达学院科研部,湖北,武汉,430019 4. 94782部队,浙江,杭州,310004 |
| 摘 要： | 针对SAR压制性干扰的成像特性问题,分析了压制性干扰模型、特点及干扰成像前后的信干比关系,最后利用机载SAR真实数据对压制性干扰进行了不同信干比下的SAR图像仿真.仿真结果表明,压制性干扰要能对SAR成像结果有效干扰,需使处理后信干比不能大于1.24dB,而处理前的信干比会随着SAR参数的改变而改变. |
| 关 键 词： | 合成孔径雷达 压制性干扰 成像特性 |
| 文章编号： | CN42-1564（2005）04-0010-04 |
| 收稿时间： | 09 28 2005 12:00AM |
| 修稿时间： | 2005-09-282005-10-21 |
Imaging Characteristics of Blanketing Jamming to SAR |
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| HE Zhao-hui,YANG Jun,QIN Jiang-min,XIE Yao-quan.Imaging Characteristics of Blanketing Jamming to SAR[J].Journal of Air Force Radar Academy,2005,19(4):10-13. | |
| Authors: | HE Zhao-hui YANG Jun QIN Jiang-min XIE Yao-quan |
| Abstract: | Aimed at the issues of imaging characteristic of blanketing jamming to SAR, the model and characteristics of noise jamming were analyzed, as well as signal-to-jam ratio before and alter imaging under jamming. Finally, the SAR imaging simulation of blanketing jamming was done by using airborne SAR real data under different signal-to-jam ratio. By simulation it was concluded that the compressed signal-to-jam ratio need only less than 1.24 dB, and signal-to-jam ratio before compression can change along with SAR parameter, if the blanketing jamming exerts the influence on SAR imaging. |
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