异构环境下的多子阵合成孔径声呐距离多普勒成像算法
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摘要
为解决多子阵合成孔径声呐成像效率低的问题,提出了一种异构环境下的多子阵合成孔径声呐快速成像方法。根据多子阵合成孔径声呐距离多普勒成像算法特点以及CPU和GPU各自计算特点,通过将算法中距离向脉冲压缩、固定相位补偿、距离徙动校正和方位向脉冲压缩密集型运算采用GPU计算,极大提高了多子阵合成孔径声呐成像效率。最后通过实测数据的成像实验对所提算法的正确性和高效性进行了验证,与串行计算方法相比加速比高达14. 45。
Aiming to solve the low efficiency imaging of multi-array synthetic aperture sonar,this paper proposed a fast imaging method for multi-array synthetic aperture sonar in heterogeneous environment. It considered the range Doppler algorithm characteristic for multi-array synthetic aperture sonar and different calculation features between CPU and GPU,the intensive calculation such as range compression,phase compensation,range cell migration compensation and azimuth compression was implemented on GPU,which greatly enhanced the imaging efficiency for multi-array synthetic aperture sonar. In the end,it verifies the validity and efficiency of the proposed method through the imaging experiment performed on real data and the speedup is up to 14. 45 times compared to the serial algorithm.
Aiming to solve the low efficiency imaging of multi-array synthetic aperture sonar,this paper proposed a fast imaging method for multi-array synthetic aperture sonar in heterogeneous environment. It considered the range Doppler algorithm characteristic for multi-array synthetic aperture sonar and different calculation features between CPU and GPU,the intensive calculation such as range compression,phase compensation,range cell migration compensation and azimuth compression was implemented on GPU,which greatly enhanced the imaging efficiency for multi-array synthetic aperture sonar. In the end,it verifies the validity and efficiency of the proposed method through the imaging experiment performed on real data and the speedup is up to 14. 45 times compared to the serial algorithm.
引文
[1] Hayes M P,Gough P T. Synthetic aperture sonar:a review of current status[J]. IEEE Journal of Oceanic Engineering,2009,34(3):207-224.
[2] Zhang Xuebo,Tang Jinsong,Zhong Heping. Multireceiver correction for the chirp scaling algorithm in synthetic aperture sonar[J]. IEEE Journal of Oceanic Engineering,2014,39(3):472-481.
[3] Tian Zhen,Tang Jinsong,Zhong Heping,et al. Extended range Doppler algorithm for multiple-receiver synthetic aperture sonar based on exact analytical two-dimensional spectrum[J]. IEEE Journal of Oceanic Engineering,2016,41(1):164-174.
[4] Zhang Xuebo,Huang Haining,Ying Wenwei,et al. An indirect range-Doppler algorithm for multireceiver synthetic aperture sonar based on Lagrange inversion theorem[J]. IEEE Trans on Geoscience and Remote Sensing,2017,55(6):3572-3587.
[5] Carballini J,Viana F. Using synthetic aperture sonar as an effective tool for pipeline inspection survey projects[C]//Proc of Acoustics in Underwater Geosciences Symposium. Piscataway,NJ:IEEE Press,2015:1-5.
[6] Hoggarth A,Kenny K. Using synthetic aperture sonar as an effective hydrographic survey tool[J]. Oceans,2014,107(3):1-12.
[7] Cholewa F,Pfitzner M,Fahnemann C,et al. Synthetic aperture radar with backprojection:a scalable,platform independent architecture for exhaustive FPGA resource utilization[C]//Proc of Radar Conference. Piscataway,NJ:IEEE Press,2014:1-5.
[8]徐永健,王贞松,罗晓广.星载SAR数据成像的并行和实时处理研究——曙光机的应用实例[J].电子与信息学报,2001,23(8):736-743.(Xu Yongjian,Wang Zhensong,Luo Xiaoguang. Study of parallel and in time processing for data imaging of spaceborne SAR[J]. Journal of Electronics&Information Technology,2001,23(8):736-743.)
[9]龙卉,皮亦鸣,黄顺吉.合成孔径雷达并行成像算法研究及在曙光3000并行计算机上的实现[J].电子与信息学报,2002,24(12):1990-1993.(Long Hui,Pi Yiming,Huang Shunji. Synthetic aperture radar parallel processing algorithm and implementation on dawning 3000[J]. Journal of Electronics and Information Technology,2002,24(12):1990-1993.)
[10]江泽林,刘维,李保利,等.基于集群的高频合成孔径声呐并行处理方法[J].应用声学,2011,30(3):167-176.(Jiang Zelin,Liu Wei,Li Baoli,et al. A parallel processing method for high-frequency synthetic aperture sonar based on clusters[J]. Applied Acoustics,2011,30(3):167-176.)
[11]Fasih A,Hartley T. GPU-accelerated synthetic aperture radar backprojection in CUDA[C]//Proc of Radar Conference. Piscataway,NJ:IEEE Press,2010:1408-1413.
[12]吴胜强,彭建平,郭建强.基于GPU的合成孔径超声成像算法并行处理[J].信息技术,2017,30(2):126-129.(Wu Shengqiang,Peng Jianping,Guo Jianqiang. Parallel processing of SAFT ultrasonic imaging technique based on GPU[J]. Information Technology,2017,30(2):126-129.
[13]Ning Xia,Yeh C,Zhou Bin,et al. Multiple-GPU accelerated rangeDoppler algorithm for synthetic aperture radar imaging[C]//Proc of Radar Conference. Piscataway,NJ:IEEE Press,2011:698-701.
[2] Zhang Xuebo,Tang Jinsong,Zhong Heping. Multireceiver correction for the chirp scaling algorithm in synthetic aperture sonar[J]. IEEE Journal of Oceanic Engineering,2014,39(3):472-481.
[3] Tian Zhen,Tang Jinsong,Zhong Heping,et al. Extended range Doppler algorithm for multiple-receiver synthetic aperture sonar based on exact analytical two-dimensional spectrum[J]. IEEE Journal of Oceanic Engineering,2016,41(1):164-174.
[4] Zhang Xuebo,Huang Haining,Ying Wenwei,et al. An indirect range-Doppler algorithm for multireceiver synthetic aperture sonar based on Lagrange inversion theorem[J]. IEEE Trans on Geoscience and Remote Sensing,2017,55(6):3572-3587.
[5] Carballini J,Viana F. Using synthetic aperture sonar as an effective tool for pipeline inspection survey projects[C]//Proc of Acoustics in Underwater Geosciences Symposium. Piscataway,NJ:IEEE Press,2015:1-5.
[6] Hoggarth A,Kenny K. Using synthetic aperture sonar as an effective hydrographic survey tool[J]. Oceans,2014,107(3):1-12.
[7] Cholewa F,Pfitzner M,Fahnemann C,et al. Synthetic aperture radar with backprojection:a scalable,platform independent architecture for exhaustive FPGA resource utilization[C]//Proc of Radar Conference. Piscataway,NJ:IEEE Press,2014:1-5.
[8]徐永健,王贞松,罗晓广.星载SAR数据成像的并行和实时处理研究——曙光机的应用实例[J].电子与信息学报,2001,23(8):736-743.(Xu Yongjian,Wang Zhensong,Luo Xiaoguang. Study of parallel and in time processing for data imaging of spaceborne SAR[J]. Journal of Electronics&Information Technology,2001,23(8):736-743.)
[9]龙卉,皮亦鸣,黄顺吉.合成孔径雷达并行成像算法研究及在曙光3000并行计算机上的实现[J].电子与信息学报,2002,24(12):1990-1993.(Long Hui,Pi Yiming,Huang Shunji. Synthetic aperture radar parallel processing algorithm and implementation on dawning 3000[J]. Journal of Electronics and Information Technology,2002,24(12):1990-1993.)
[10]江泽林,刘维,李保利,等.基于集群的高频合成孔径声呐并行处理方法[J].应用声学,2011,30(3):167-176.(Jiang Zelin,Liu Wei,Li Baoli,et al. A parallel processing method for high-frequency synthetic aperture sonar based on clusters[J]. Applied Acoustics,2011,30(3):167-176.)
[11]Fasih A,Hartley T. GPU-accelerated synthetic aperture radar backprojection in CUDA[C]//Proc of Radar Conference. Piscataway,NJ:IEEE Press,2010:1408-1413.
[12]吴胜强,彭建平,郭建强.基于GPU的合成孔径超声成像算法并行处理[J].信息技术,2017,30(2):126-129.(Wu Shengqiang,Peng Jianping,Guo Jianqiang. Parallel processing of SAFT ultrasonic imaging technique based on GPU[J]. Information Technology,2017,30(2):126-129.
[13]Ning Xia,Yeh C,Zhou Bin,et al. Multiple-GPU accelerated rangeDoppler algorithm for synthetic aperture radar imaging[C]//Proc of Radar Conference. Piscataway,NJ:IEEE Press,2011:698-701.