一种高分辨率W波段SAR系统
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摘要
该文介绍了中国科学院电子学研究所研制的一套高分辨率W波段SAR系统,对系统的指标、组成、实现方案以及数据处理方法进行了描述,提出了非线性系统误差校正、高精度运动补偿、高隔离度收发系统设计等关键问题的解决方案。通过机载飞行实验,验证了W波段SAR系统的有效性。
A miniaturized high resolution W-band SAR system developed by the Institute of Electronics of the Chinese Academy of Sciences is introduced. The parameters, architecture of the system and signal processing method are described in detail. The solutions of key problems which include non-linearities error calibration, high-accuracy motion compensation and high-isolation transceiver system design are proposed. The W-band radar system is tested by airborne experiment and the results show the effectiveness of the presented system.
A miniaturized high resolution W-band SAR system developed by the Institute of Electronics of the Chinese Academy of Sciences is introduced. The parameters, architecture of the system and signal processing method are described in detail. The solutions of key problems which include non-linearities error calibration, high-accuracy motion compensation and high-isolation transceiver system design are proposed. The W-band radar system is tested by airborne experiment and the results show the effectiveness of the presented system.
引文
[1]ESSEN H,JOHANNES W,STANKO S,et al.High resolution W-band UAV SAR[C].IEEE International Geoscience and Remote Sensing Symposium,Munich,Germany,2012:5033-5036.doi:10.1109/IGARSS.2012.6352480.
[2]魏一搏,王辉,李宁,等.适用于W波段的ISAR成像的二维补偿方法[J].西安电子科技大学学报,2016,43(3):155-160.doi:10.3969/j.issn.1001-2400.2016.03.027.WEI Yibo,WANG Hui,LI Ning,et al.Two dimension migration compensation method for W-band ISAR imaging[J].Journal of Xidian University,2016,43(3):155-160.doi:10.3969/j.issn.1001-2400.2016.03.027.
[3]LI Zhanfeng,HU Bing,ZHAO Guoqiang,et al.A W-band digital variable polarimetric radar for target characteristic measurement[J].Journal of Infrared and Millimeter Waves,2017,36(1):35-40.doi:10.11972/j.issn.1001-9014.2017.01.008.
[4]JAESCHKE T,BREDENDIEK C,KUEPPERS S,et al.Cross-polarized multi-channel W-band radar for turbulent flow velocity measurements[C].IEEE MTT-S International Microwave Symposium,San Francisco,USA,2016:1-4.doi:10.1109/MWSYM.2016.7540256.
[5]CHRISTIAN Z,AXEL H,MICHAEL S,et al.A compact W-band LFMCW radar module with high accuracy and integrated signal processing[C].European Microwave Conference,Paris,France,2015:554-557.doi:10.1109/Eu MC.2015.7345823.
[6]ABRIL J,NOVA E,BROQUETAS A,et al.Deforming and relief interferometric SAR imaging at W-band[C].International Conference on Infrared,Millimeter,and Terahertz Waves,Houston,USA,2011:1-2.doi:10.1109/irmmw-THz.2011.6104977.
[7]张志才.W波段FMCW异物探测雷达前端研究[D].[硕士论文],电子科技大学,2016.
[8]DUOIS-FERNANDEZ P,PLESSIS O,COZ DL,et al.The ONERA RAMSES SAR system[C].IEEE International Geoscience and Remote Sensing Symposium,Toronto,Canada,2002,3:1723-1725.
[9]ESSEN H,STANKO S,SOMMER R,et al.Millimetre wave SAR for UAV operation[C].Asia-Pacific Microwave Conference,Melbourne,Australia,2011:963-966.
[10]NICHOLAS J,SAMUEL S,and RONALD M.Demonstration of W-band SAR Imagery with a ground based system having 7.5 GHz of bandwidth obtained with a stepped chirp waveform[J].IEEE Transactions on Aerospace and Electronic Systems,2013,49(4):2522-2532.doi:10.1109/TAES.2013.6621833.
[11]唐大伟,吴琼之,孙宁霄,等.基于高速D/A AD9739 2.5GSPS的宽带信号源[J].电子设计工程,2013,21(20):45-47.doi:10.3969/j.issn.1674-6236.2013.20.014.TANG Dawei,WU Qiongzhi,SUN Ningxiao,et al.The highspeed D/A AD9739-based wideband signal source[J].Electronic Design Engineering,2013,21(20):45-47.doi:10.3969/j.issn.1674-6236.2013.20.014.
[12]韩冰.高分辨率机载SAR成像处理技术研究[D].[博士论文],中国科学院电子学研究所,2008.
[13]董勇伟,梁兴东,丁赤飚.调频连续波SAR非线性处理方法研究[J].电子与信息学报,2010,32(5):1034-1039.doi:10.3724/SP.J.1146.2009.00582.DONG Yongwei,LIANG Xingdong,and DING Chibiao.Non-linear signal processing for FMCW SAR[J].Journal of Electronics&Information Technology,2010,32(5):1034-1039.doi:10.3724/SP.J.1146.2009.00582.
[14]李芳芳,仇晓兰,孟大地,等.机载双天线In SAR运动补偿误差的影响分析[J].电子与信息学报,2013,35(3):559-567.doi:10.3724/SP.J.1146.2012.00850.LI Fangfang,QIU Xiaolan,MENG Dadi,et al.Effects of motion compensation errors on performance of airborne dual-antenna In SAR[J].Journal of Electronics&Information Technology,2013,35(3):559-567.doi:10.3724/SP.J.1146.2012.00850.
[15]宋月丽,黎仁刚.雷达对抗系统收发隔离技术研究[J].舰船电子对抗,2012,35(1):20-24.doi:10.3969/j.issn.1673-9167.2012.01.005.SONG Yueli and LI Rengang.Research into transmitterreceiver isolation technique of radar countermeasure system[J].Shipboard Electronic Countermeasure,2012,35(1):20-24.doi:10.3969/j.issn.1673-9167.2012.01.005.
[16]吕波,郑秋容,袁乃昌.一种改善雷达收发隔离的新方法[J].系统工程与电子技术,2008,30(8):1595-1597.doi:10.3321/j.issn:1001-506X.2008.08.049.LüBo,ZHENG Qiurong,and YUAN Naichang.Novel method to improve radar transmit-receive isolation[J].Systems Engineering and Electronics,2008,30(8):1595-1597.doi:10.3321/j.issn:1001-506X.2008.08.049.
[2]魏一搏,王辉,李宁,等.适用于W波段的ISAR成像的二维补偿方法[J].西安电子科技大学学报,2016,43(3):155-160.doi:10.3969/j.issn.1001-2400.2016.03.027.WEI Yibo,WANG Hui,LI Ning,et al.Two dimension migration compensation method for W-band ISAR imaging[J].Journal of Xidian University,2016,43(3):155-160.doi:10.3969/j.issn.1001-2400.2016.03.027.
[3]LI Zhanfeng,HU Bing,ZHAO Guoqiang,et al.A W-band digital variable polarimetric radar for target characteristic measurement[J].Journal of Infrared and Millimeter Waves,2017,36(1):35-40.doi:10.11972/j.issn.1001-9014.2017.01.008.
[4]JAESCHKE T,BREDENDIEK C,KUEPPERS S,et al.Cross-polarized multi-channel W-band radar for turbulent flow velocity measurements[C].IEEE MTT-S International Microwave Symposium,San Francisco,USA,2016:1-4.doi:10.1109/MWSYM.2016.7540256.
[5]CHRISTIAN Z,AXEL H,MICHAEL S,et al.A compact W-band LFMCW radar module with high accuracy and integrated signal processing[C].European Microwave Conference,Paris,France,2015:554-557.doi:10.1109/Eu MC.2015.7345823.
[6]ABRIL J,NOVA E,BROQUETAS A,et al.Deforming and relief interferometric SAR imaging at W-band[C].International Conference on Infrared,Millimeter,and Terahertz Waves,Houston,USA,2011:1-2.doi:10.1109/irmmw-THz.2011.6104977.
[7]张志才.W波段FMCW异物探测雷达前端研究[D].[硕士论文],电子科技大学,2016.
[8]DUOIS-FERNANDEZ P,PLESSIS O,COZ DL,et al.The ONERA RAMSES SAR system[C].IEEE International Geoscience and Remote Sensing Symposium,Toronto,Canada,2002,3:1723-1725.
[9]ESSEN H,STANKO S,SOMMER R,et al.Millimetre wave SAR for UAV operation[C].Asia-Pacific Microwave Conference,Melbourne,Australia,2011:963-966.
[10]NICHOLAS J,SAMUEL S,and RONALD M.Demonstration of W-band SAR Imagery with a ground based system having 7.5 GHz of bandwidth obtained with a stepped chirp waveform[J].IEEE Transactions on Aerospace and Electronic Systems,2013,49(4):2522-2532.doi:10.1109/TAES.2013.6621833.
[11]唐大伟,吴琼之,孙宁霄,等.基于高速D/A AD9739 2.5GSPS的宽带信号源[J].电子设计工程,2013,21(20):45-47.doi:10.3969/j.issn.1674-6236.2013.20.014.TANG Dawei,WU Qiongzhi,SUN Ningxiao,et al.The highspeed D/A AD9739-based wideband signal source[J].Electronic Design Engineering,2013,21(20):45-47.doi:10.3969/j.issn.1674-6236.2013.20.014.
[12]韩冰.高分辨率机载SAR成像处理技术研究[D].[博士论文],中国科学院电子学研究所,2008.
[13]董勇伟,梁兴东,丁赤飚.调频连续波SAR非线性处理方法研究[J].电子与信息学报,2010,32(5):1034-1039.doi:10.3724/SP.J.1146.2009.00582.DONG Yongwei,LIANG Xingdong,and DING Chibiao.Non-linear signal processing for FMCW SAR[J].Journal of Electronics&Information Technology,2010,32(5):1034-1039.doi:10.3724/SP.J.1146.2009.00582.
[14]李芳芳,仇晓兰,孟大地,等.机载双天线In SAR运动补偿误差的影响分析[J].电子与信息学报,2013,35(3):559-567.doi:10.3724/SP.J.1146.2012.00850.LI Fangfang,QIU Xiaolan,MENG Dadi,et al.Effects of motion compensation errors on performance of airborne dual-antenna In SAR[J].Journal of Electronics&Information Technology,2013,35(3):559-567.doi:10.3724/SP.J.1146.2012.00850.
[15]宋月丽,黎仁刚.雷达对抗系统收发隔离技术研究[J].舰船电子对抗,2012,35(1):20-24.doi:10.3969/j.issn.1673-9167.2012.01.005.SONG Yueli and LI Rengang.Research into transmitterreceiver isolation technique of radar countermeasure system[J].Shipboard Electronic Countermeasure,2012,35(1):20-24.doi:10.3969/j.issn.1673-9167.2012.01.005.
[16]吕波,郑秋容,袁乃昌.一种改善雷达收发隔离的新方法[J].系统工程与电子技术,2008,30(8):1595-1597.doi:10.3321/j.issn:1001-506X.2008.08.049.LüBo,ZHENG Qiurong,and YUAN Naichang.Novel method to improve radar transmit-receive isolation[J].Systems Engineering and Electronics,2008,30(8):1595-1597.doi:10.3321/j.issn:1001-506X.2008.08.049.