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| 结合相干系数的极化干涉SAR植被高度估计方法研究 | |
| 引用本文： | 张晓玲,韦顺军,韩迪. 结合相干系数的极化干涉SAR植被高度估计方法研究[J]. 电子科技大学学报(社会科学版), 2009, 0(3) |
| 作者姓名： | 张晓玲 韦顺军 韩迪 |
| 作者单位： | 电子科技大学电子工程学院; |
| 摘 要： | 阐述了极化干涉SAR成像技术的基本理论,分析了极化干涉SAR的植被散射模型和Cloude三阶段植被高度反演算法。因三阶段法采用多参数初值迭代求解方法,其运算量较大复杂性高,该文提出基于相干系数的高度估计方法。先用干涉相位估计植被高度,再由相干系数幅度估计植被高度对前面相位估计的高度进行补偿,既保证了一定植被高度估计精度,又大大减少了反演算法的运算量,最后用极化干涉SAR仿真数据验证了该方法的有效性。 |
| 关 键 词： | 极化干涉SAR 合成孔径雷达 植被高度估计 植被散射模型 |
Vegetation Height Inversion Algorithms Based on the Coherence of Polarimatric Interferometric SAR |
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| ZHANG Xiao-ling,WEI Shun-jun,, HAN Di. Vegetation Height Inversion Algorithms Based on the Coherence of Polarimatric Interferometric SAR[J]. Journal of University of Electronic Science and Technology of China(Social Sciences Edition), 2009, 0(3) | |
| Authors: | ZHANG Xiao-ling WEI Shun-jun HAN Di |
| Affiliation: | ZHANG Xiao-ling,WEI Shun-jun,, HAN Di (School of Electronic Engineering,University of Electronic Science , Technology of China Chengdu 610054) |
| Abstract: | Basic theory of polarimetric synthetic aperture radar(SAR) interferometry is expatiated and the PolInSAR vegetation scattering model and Cloude three-stage vegetation height inversion algorithm are analyzed.The calculation of the three-stage algorithm is complex as it adopts initial value iterative.The paper introduces a method to combine the vegetation height estimation by the coherence coefficient amplitude and phase.This method not only keeps the precision of vegetation height estimation but also reduces... |
| Keywords: | PolInSAR SAR vegetation height estimation vegetation scatttering model |
| 本文献已被 CNKI 等数据库收录！ | |