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- 2015
一种多通道InSAR干涉图的仿真方法
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Abstract:
摘要 为了简化多通道InSAR数据仿真的步骤,给多通道InSAR技术的研究提供参数可控的仿真数据,提出一种多通道InSAR干涉图的仿真方法.方法由已知的数字高程模型(DEM)和系统参数计算得到每个干涉通道的真实干涉相位,并根据各种噪声引起的去相关计算相应的相干系数,然后利用舍选法生成相应的相位噪声加入到真实干涉相位中,这样便得到所需的多通道InSAR干涉图.分析和仿真结果表明,该方法简便易行,且严格考虑了干涉相位噪声的概率密度函数,为各种多通道InSAR技术的性能对比和定量分析提供合适的仿真数据.
| [1] | Franceschetti G, Migliaccio M, D. Riccio, et al. SARAS: A synthetic aperture radar (SAR) raw signal simulator[J]. IEEE Transactions on Geoscience and Remote Sensing, 1992, 30(1): 110-122. |
| [2] | 汪丙南, 陈立福, 向茂生. 基于起伏地形的干涉SAR 回波数据仿真[J]. 宇航学报, 2011, 32(9): 1 986-1 993. |
| [3] | Eineder M. Efficient simulation of SAR interferograms of large areas and of rugged terrain[J]. IEEE Transactions on Geoscience and Remote Sensing, 2003, 41(6): 1 415-1 427. |
| [4] | Hanssen R F. Radar interferometry: data interpretation and error analysis[M]. Dordrecht: Kluwer Academic Publishers, 2001. |
| [5] | Lombardini F. Absolute phase retrieval in a three-element synthetic aperture interferometer [C]//Proc CIE Int Conf Radar, Beijing, China,1996: 309-312. |
| [6] | Yu H W, Li Z F, Bao Z A. cluster-analysis-based efficient multibaseline phase-unwrapping algorithm[J]. IEEE Transactions on Geoscience and Remote Sensing, 2011, 49(1): 478-487. |
| [7] | Li Z F, Bao Z, Suo Z Y. A joint image coregistration, phase noise suppression, and phase unwrapping method based on subspace projection for multibaseline InSAR systems[J]. IEEE Transactions on Geoscience and Remote Sensing, 2007, 45(3): 584-591. |
| [8] | He Z, He F, Dong Z, et al. real-time raw-signal simulation algorithm for inSAR hardware-in-the-loop simulation applications[J]. IEEE Geoscience and Remote Sensing Letters, 2012, 9(1): 134-138. |
| [9] | Franceschetti G, Iodice A, Migliaccio M, et al. A novel across-track SAR interferometry simulator[J]. IEEE Transactions on Geoscience and Remote Sensing, 1998, 36(3): 950-962. |
| [10] | Xu W, Cumming I. Simulator for repeat-pass satellite inSAR studies [C]//IEEE IGARSS 97, Singapore. 1997: 1 704-1 706. |
| [11] | 李文强, 李景文, 陈杰. 一种干涉SAR 复图像数据的快速仿真方法[J]. 北京航空航天大学学报, 2005, 31(1): 31-35. |
| [12] | Tough R J A, Blacknell D, Quegan S. A statistical description of polarimetric and interferometric synthetic aperture radar[J]. Proceeedings of the Royal Society London A, 1995, 449: 567-589. |
| [13] | Ghiglia D C, Pritt M D. Two-dimensional phase unwrapping: theory, algorithms, and software[M]. New York: Wiley, 1998. |
| [14] | Ferraiuolo G, Meglio F, Pascazio V, et al. DEM reconstruction accuracy in multichannel SAR interferometry[J]. IEEE Transactions on Geoscience and Remote Sensing, 2009, 47(1): 191-201. |
| [15] | 庞蕾, 张继贤, 范洪冬. 多基线干涉SAR测量技术发展与趋势分析[J]. 电子学报, 2010, 38(9): 2 152-2 157. |
| [16] | Mori A, Vita F D. A time-domain raw signal simulator for interferometric SAR[J]. IEEE Transactions on Geoscience and Remote Sensing, 2004, 42(9): 1 811-1 817. |
| [17] | 张红敏, 靳国旺, 徐青,等. 多基线InSAR 干涉图仿真方案设计与分析[J]. 系统仿真学报, 2012, 24(7): 1 516-1 522. |
| [18] | Pascazio V, Schirinzi G. Multifrequency InSAR height reconstruction through maximum likelihood estimation of local planes parameters[J]. IEEE Transactions on Image Processing, 2002, 11(12): 1 478-1 489. |
| [19] | Bamler R, Hartl P. Synthetic aperture radar interferometry [J]. Inverse Problems, 1998, 14(4): R1-R54. |
