Parameter Estimation Method of Moving Targets with SAR Sparse Sampling Data

CHEN Yichang; ZHANG Qun

doi:10.11999/JEIT160922

Volume 38 Issue 12

Jan. 2017

Turn off MathJax

Article Contents

Article Navigation > Journal of Electronics & Information Technology > 2016 > 38(12): 3049-3055

CHEN Yichang, ZHANG Qun. Parameter Estimation Method of Moving Targets with SAR Sparse Sampling Data[J]. Journal of Electronics & Information Technology, 2016, 38(12): 3049-3055. doi: 10.11999/JEIT160922

Citation:

CHEN Yichang, ZHANG Qun. Parameter Estimation Method of Moving Targets with SAR Sparse Sampling Data[J]. Journal of Electronics & Information Technology, 2016, 38(12): 3049-3055. doi: 10.11999/JEIT160922

Citation:

PDF( 887 KB)

Parameter Estimation Method of Moving Targets with SAR Sparse Sampling Data

doi: 10.11999/JEIT160922

CHEN Yichang^{1
,
,},
ZHANG Qun¹

Funds:

The National Natural Science Foundation of China (61631019, 61471386)

Received Date: 2016-09-12
Rev Recd Date: 2016-11-11
Publish Date: 2016-12-19

Abstract

Abstract

To solve the problem of motion parameter estimation of ground moving target, a parameter estimation method of moving targets with sparse sampling data of single SAR sensor is proposed. First, based on the 2 dimensional velocity of moving targets, an equivalent parametric model is constructed to transform the moving target echo into squint SAR echo. Then, with different parameters the modified iterative thresholding algorithm is applied to achieving imagery of moving target. Finally, the motion parameters of targets are obtained by minimizing the image entropy. It is shown that, using the proposed method, the required echo sampling can be reduced, the Doppler ambiguity problem can be avoided and accurate velocity estimation can be obtained even in low signal-to-clutter ration scenarios. Simulation results verify the effectiveness of the proposed method.
- SAR,
- Parametric model,
- Moving target,
- Parameter estimation

FullText(HTML)

References(28)

References

SAEEDI J and FAEZ K. Synthetic aperture radar imaging using nonlinear frequency modulation signal[J]. IEEE Transactions on Aerospace and Electronic Systems, 2016, 52(1): 99-110. doi: 10.1109/TAES.2015.140310.

WERNESS S A S, CARRARA W G, JOYCE L S, et al. Moving target imaging algorithm for SAR data[J]. IEEE Transactions on Aerospace and Electronic Systems, 1990, 26(1): 57-67. doi: 10.1109/7.53413.

PERRY R P, DIPIETRO R C, and FANTE R L. SAR imaging of moving targets[J]. IEEE Transactions on Aerospace and Electronic Systems, 1999, 35(1): 188-200. doi: 10.1109/7.745691.

ZHANG Shuangxi, XING Mengdao, XIA Xianggen, et al. Robust clutter suppression and moving target imaging approach for multichannel in azimuth high-resolution and wide-swath synthetic aperture radar[J]. IEEE Transactions on Geoscience and Remote Sensing, 2015, 53(2): 687-709. doi: 10.1109/TGRS.2014.2327031.

GUO Bin, VU Duc, XU Luzhou, et al. Ground moving target indication via multichannel airborne SAR[J]. IEEE Transactions on Geoscience and Remote Sensing, 2011, 49(10): 3753-3764. doi: 10.1109/TGRS.2011.2143420.

LI Gang, XIA Xianggen, XU Jia, et al. A velocity estimation algorithm of moving targets using single antenna SAR[J]. IEEE Transactions on Aerospace and Electronic Systems, 2009, 45(3): 1052-1062. doi: 10.1109/TAES.2009.5259182.

HOU Lili, SONG Hongjun, ZHENG Mingjie, et al. Fast moving target imaging and motion parameters estimation based on Radon transform and bi-directional approach[J]. IET Radar, Sonar Navigation, 2016, 10(6): 1013-1023. doi: 10.1049/iet-rsn.2014.0567.

陈一畅, 张群, 朱丽莉, 等. 基于压缩感知和矢量量化的 SAR 数据级联压缩方法[J]. 现代雷达, 2013, 35(10): 36-40. doi: 10.16592/J.CNKI.1004-7859.2013.10.013.

CHEN Yichang, ZHANG Qun, ZHU Lili, et al. A cascade compress method of SAR data based on compressed sensing and vector quantization[J]. Modern Radar, 2013, 35(10): 36-40. doi: 10.16592/J.CNKI.1004-7859.2013.10.013.

BU Hongxia, TAO Ran, BAI Xia, et al. A novel SAR imaging algorithm based on compressed sensing[J]. IEEE Geoscience and Remote Sensing Letters, 2015, 12(5): 1003-1007. doi: 10.1109/LGRS.2014.2372319.

陈一畅, 张群, 陈校平, 等. 多重测量矢量模型下的稀疏步进频率SAR成像算法[J]. 电子与信息学报, 2014, 36(12): 2986-2993. doi: 10.3724/SP.J.1146.2013.01831.

CHEN Yichang, ZHANG Qun, CHEN Xiaoping, et al. An imaging algorithm of sparse stepped frequency SAR based on multiple measurement vectors model[J]. Journal of Electronics Information Technology, 2014, 36(12): 2986-2993. doi: 10.3724/SP.J.1146.2013.01831.

GU Fufei, ZHANG Qun, CHI Long, et al. A novel motion compensating method for MIMO-SAR imaging based on compressed sensing[J]. IEEE Sensors Journal, 2015, 15(4): 2157-2165. doi: 10.1109/JSEN.2014.2371451.

李刚, 夏香根. 参数化稀疏表征在雷达探测中的应用[J]. 雷达学报, 2016, 5(1): 1-7. doi: 10.12000/JR15126.

LI　Gang and XIA Xianggen. Parametric sparse representation and its applications in radar sensing[J]. Journal of Radars, 2016, 5(1): 1-7. doi: 10.12000/JR15126.

RAO W, LI G, Wang X, et al. Parametric sparse representation method for ISAR imaging of rotating targets[J]. IEEE Transactions on Aerospace and Electronic Systems, 2014, 50(2): 910-919. doi: 10.1109/TAES.2014. 120535.

顾福飞, 张群, 杨秋, 等. 基于NCS算子的大斜视SAR压缩感知成像方法[J]. 雷达学报, 2016, 5(1): 16-24. doi: 10.12000 /JR15035.

GU Fufei, ZHANG Qun, YANG Qiu, et al. Compressed sensing imaging algorithm of high-squint SAR based on NCS operator[J]. Journal of Radars, 2016, 5(1): 16-24. doi: 10. 12000/JR15035.

李震宇, 梁毅, 邢孟道, 等. 弹载合成孔径雷达大斜视子孔径频率相位滤波成像算法[J]. 电子与信息学报, 2015, 37(4): 954-959. doi: 10.11999/JEIT140618.

LI Zhenyu, LIANG Yi, XING Mengdao, et al. A frequency phase filtering imaging algorithm for highly squint missile-borne synthetic aperture radar with subaperture[J]. Journal of Electronics Information Technology, 2015, 37(4): 954-959. doi: 10.11999/JEIT140618.

江淮, 赵惠昌, 汉敏, 等. 基于DFT滤波器组的大斜视SAR成像算法[J]. 电子与信息学报, 2016, 38(1): 104-110. doi: 10.11999/JEIT150381.

JIANG Huai, ZHAO Huichang, HAN Min, et al. Highly squint SAR imaging algorithm based on DFT filter banks[J].

Journal of Electronics Information Technology, 2016,

杨军, 李震宇, 孙光才, 等. 一种新的大斜视TOPS SAR全孔径成像方法[J]. 西安电子科技大学学报(自然科学版), 2015, 42(1): 42-48. doi: 10.3969/j.issn.1001-2400.2015.01.08.

YANG Jun, LI Zhenyu, SUN Guangcai, et al. Novel full aperture imaging algorithm for highly squinted TOPS SAR[J]. Journal of Xidian University(Natural Science), 2015, 42(1): 42-48. doi: 10.3969 /j.issn.1001-2400.2015.01.08.

FANG Jian, XU Zongben, ZHANG Bingchen, et al. Fast compressed sensing SAR imaging based on approximated observation[J]. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2014, 7(1): 352-363. doi: 10.1109/JSTARS.2013.2263309.

KRAGH T J and KHARBOUCH A A. Monotonic iterative algorithm for minimum-entropy autofocus[C]. IEEE International Conference on Image Processing, Atlanta, 2006: 645-648.

(1): 104-110. doi: 10.11999/JEIT150381.

Relative Articles

Supplements(0)

Cited By

Proportional views