基于中国剩余定理解分布式星载SAR-ATI测速模糊

齐维孔; 党雅文; 禹卫东

doi:10.3724/SP.J.1146.2008.01445

基于中国剩余定理解分布式星载SAR-ATI测速模糊

doi: 10.3724/SP.J.1146.2008.01445

齐维孔^{①②;党雅文},
党雅文,
禹卫东

计量
- 文章访问数: 3362
- HTML全文浏览量: 112
- PDF下载量: 830
- 被引次数: 0
出版历程
- 收稿日期: 2008-11-03
- 修回日期: 2009-03-16
- 刊出日期: 2009-10-19

Deblurring Velocity Ambiguity of Distributed Space-Borne SAR Based on Chinese Remainder Theorem

Qi Wei-kong^{①②;党雅文},
Dang Ya-wen,
Yu Wei-dong

摘要

摘要: 分布式星载SAR系统利用沿航迹干涉对地面运动目标测速时，由于较长基线导致严重的测速模糊。该文在研究鲁棒性中国剩余定理的基础上，利用剩余定理在满足某些约束条件下得到唯一解的原理，分析了多基线和多频率分布式星载SAR-ATI系统解速度模糊的方法，同时推导了多基线和多频率的约束条件，以及最大测速值。仿真结果表明该文算法能有效地解分布式星载SAR-ATI系统动目标速度模糊，为分布式星载SAR系统设计与基线设计提供了一定的指导作用和参考价值。
- 分布式星载合成孔径雷达; 中国剩余定理; 沿航迹干涉; 动目标检测; 速度模糊
Abstract: When distributed Space-borne SAR measures the ground moving target velocity using along track interferometry, larger baseline leads to serious velocity ambiguity. On the basis of exploring robust Chinese remainder theorem, this paper analyzes the method of deblurring velocity ambiguity for multi-baseline and multi-frequency distributed Space-borne SAR, which uses the principle that remainder theorem determines the unique resolution on some conditions. Moreover, the constraints of multi-baseline and multi-frequency, and the maximum measurement velocity value are derived. The simulation results show that the algorithm is efficient for deblurring velocity ambiguity, play a guiding role and provides reference for system design and baseline design of distributed Space-borne SAR.

HTML全文

参考文献(1)

Ender J H G. Space-time adaptive processing for syntheticaperture radar[J]. IEE Colloquium, 1998, 241(6): 1-18.[2]Moccia A and Rufino G. Spaceborne along-trackinterferometry: performance analysis and mission scenarios[J].IEEE Transactions on Aerospace Electronic Systems.2001,37(1):199-213[3]宁蔚. 机载/星载雷达地面动目标检测方法研究 [D]. [博士论文], 西安电子科技大学, 2005.[4]曾斌. 分布式卫星SAR慢动目标检测及关键技术研究[D]. [博士论文], 电子科技大学, 2006.Krieger G, Fiedler H, and Mittermayer J, et al.. Analysis ofmultistatic configurations for spaceborne SARinterferometry[J].IEEE Transactions on AerospaceElectronic Systems.2001, 37(1):199-213[5]李真芳, 保铮, 王彤. 分布式小卫星SAR 系统地面运动目标检测方法[J]. 电子学报, 2005, 33(9): 1664-1666.Li zhen-fang, Bao Zheng, and Wang Tong. Ground movingtarget indication for distributed small satellite SAR systems.Acta Electronica Sinica, 2005, 33(9): 1664-1666.[6]党雅文, 禹卫东. 分布式小卫星SAR 测速解模糊分析[J]. 测试技术学报, 2007, 21(6): 500-505.Dang Ya-wen and Yu Wei-dong. Analysis of deblurring ofvelocity measurement for the distributed small satellites SAR.Journal of Test and Measurement Technology, 2007, 21(6):500-505.[7]Xia Xiang-gen and Liu Ke-jing. A generalized Chineseremainder theorem for residue sets with errors and itsapplication in frequency determination from multiple sensorswith low sampling Rates[J].IEEE Signal Processing Letters.2005, 12(11):768-771[8]Xia Xiang-gen and Wang Gen-yuan. Phase unwrapping and arobust Chinese remainder theorem[J].IEEE SignalProcessing Letters.2007, 14(4):247-250[9]Li Gang, Xu Jia, Peng Ying-ning, and Xia Xiang-gen. Anefficient implementation of a robust phase-unwrappingalgorithm[J].IEEE Signal Processing Letters.2007, 14(6):393-396[10]Xu Jia, Li Gang, Peng Ying-ning, and Xia Xiang-gen.Parametric velocity synthetic aperture radar[J].IEEETransactions on Geoscience and Remote Sensing.2008, 46(9):2463-2480[11]Wang Gen-yuan, Xia Xiang-gen, and Chen V C, et al..Detection, location, and imaging of fast moving targets usingmultifrequency antenna array SAR [J].IEEE Transactions onAerospace Electronic Systems.2004, 40(1):345-355[12]Li Gang, Xu Jia, Peng Ying-ning, and Xia Xiang-gen. Movingtarget location and imaging using dual-speed velocity SAR[J].IET Radar Sonar Navig.2007, 1(2):158-163[13]Wang Gen-yuan, Xia Xiang-gen, and Chen V C. Dual-speedSAR imaging of moving targets[J].IEEE Transactions onAerospace Electronic Systems.2006, 42(1):368-379[14]Li Gang, Xu Jia, Peng Ying-ning, and Xia Xiang-gen.Bistatic linear antenna array SAR for moving targetdetection, location, and imaging with two passive airborneradars [J].IEEE Transactions on Geoscience and RemoteSensing.2007, 45(3):554-565

施引文献

资源附件(0)

访问统计