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目标声散射机理及其散射特性为识别目标的物理依据. 针对水下目标声散射成分在 时-频域存在相互混叠干扰，造成目标弹性声散射特征不稳定的问题，提出一种适合在欠定问题下分离目标声散射成分的时频域盲抽取方法. 研究声散射成分的时频特征差异，构造目标回波单源自项的空间时频分布矩阵，通过对其进行特征值分解抽取相应的声散射成分，建立描述目标声散射物理特性的信号模型. 抽取出的目标各弹性波分量与以表面环绕波产生理论计算结果相符. 仿真与消声水池实验数据处理结果表明，该算法可以分离出目标回波的各个声散射成分，提高了分离信号的输出信噪比，为水下目标识别提供稳定和可靠的特征.
[1] La Follett J R, Williams K L, Marston P L 2011 J. Acoust. Soc. Am. 43 669
[2] Williams KL, Kargl SG, Thorsos 2010 J. Acoust. Soc. Am. 127 6
[3] Espana A, Williams K L, Plotnick D S 2013 J. Acoust. Soc. Am. 9 1
[4] Bucaro J, Houston B, Saniga M, Dragonette L, Yoder T, Dey S, Kraus L, Carin L 2008 J. Acoust. Soc. Am. 123 738
[5] Fan J 2001 Ph. D. Dissertation (Shanghai: Shanghai Jiaotong University) (in Chinese) [范军 2001 博士学位论文(上海: 上海交通大学)]
[6] Pan A, Fan J, Wang B 2013 J. Acoust. Soc. Am. 134 3452
[7] Pan A, Fan J, Wang B, Chen Z G, Zheng G Y 2014 Acta Phys. Sin. 63 214301 (in Chinese) [潘安, 范军, 王斌, 陈志刚, 郑国垠 2014 物理学报 63 214301]
[8] Zheng G Y, Fan J, Tang W L 2010 Acta Acustica 35 31 (in Chinese) [郑国垠, 范军, 汤渭霖 2010 声学学报 35 31]
[9] Anderson S D 2012 Ph. D. Dissertation (Georgia Institute of Technology)
[10] Anderson S D, Sabra K G, Zakharia M E, Sessarego J P 2012 J. Acoust. Soc. Am. 131 164
[11] Li X K, Meng X X, Xia Z 2015 Acta Phys. Sin. 64 064302 (in Chinese) [李秀坤, 孟祥夏, 夏峙 2015 物理学报 64 064302]
[12] Xia Z, Li X K 2015 Acta Phys. Sin. 64 094302 (in Chinese) [夏峙, 李秀坤 2015 物理学报 64 094302]
[13] Li F H, Zhang Y J, Zhang R H, Liu J J 2010 Phys. Sci. China 53 1408
[14] Zhu N, Wu S 2009 J. Acoust. Soc. Am. 126 2254
[15] Bouaynaya N, Charif-Chefchaouni M, Schonfeld D 2008 IEEE Trans. Pattern Anal. Mach, Intell. 30 5
[16] Tang W L, Fan J 2004 Acta Acustica 29 5 (in Chinese) [汤渭霖, 范军 2004 声学学报 29 5]
[17] Tesei A, Fawcett J A, Lim R 2008 Appl. Acoust. 69 422
[18] Touraine N, Haumesser L, De’cultot D, Maze G 2000 J. Acoustic Soc. Am. 108 5
[19] Tang W L 1994 Acta Acustica 19 92 (in Chinese) [汤渭霖 1994 声学学报 19 92]
[20] Thomas M, Lethakumary B, Jacob R 2012 ICCEET p717
-
[1] La Follett J R, Williams K L, Marston P L 2011 J. Acoust. Soc. Am. 43 669
[2] Williams KL, Kargl SG, Thorsos 2010 J. Acoust. Soc. Am. 127 6
[3] Espana A, Williams K L, Plotnick D S 2013 J. Acoust. Soc. Am. 9 1
[4] Bucaro J, Houston B, Saniga M, Dragonette L, Yoder T, Dey S, Kraus L, Carin L 2008 J. Acoust. Soc. Am. 123 738
[5] Fan J 2001 Ph. D. Dissertation (Shanghai: Shanghai Jiaotong University) (in Chinese) [范军 2001 博士学位论文(上海: 上海交通大学)]
[6] Pan A, Fan J, Wang B 2013 J. Acoust. Soc. Am. 134 3452
[7] Pan A, Fan J, Wang B, Chen Z G, Zheng G Y 2014 Acta Phys. Sin. 63 214301 (in Chinese) [潘安, 范军, 王斌, 陈志刚, 郑国垠 2014 物理学报 63 214301]
[8] Zheng G Y, Fan J, Tang W L 2010 Acta Acustica 35 31 (in Chinese) [郑国垠, 范军, 汤渭霖 2010 声学学报 35 31]
[9] Anderson S D 2012 Ph. D. Dissertation (Georgia Institute of Technology)
[10] Anderson S D, Sabra K G, Zakharia M E, Sessarego J P 2012 J. Acoust. Soc. Am. 131 164
[11] Li X K, Meng X X, Xia Z 2015 Acta Phys. Sin. 64 064302 (in Chinese) [李秀坤, 孟祥夏, 夏峙 2015 物理学报 64 064302]
[12] Xia Z, Li X K 2015 Acta Phys. Sin. 64 094302 (in Chinese) [夏峙, 李秀坤 2015 物理学报 64 094302]
[13] Li F H, Zhang Y J, Zhang R H, Liu J J 2010 Phys. Sci. China 53 1408
[14] Zhu N, Wu S 2009 J. Acoust. Soc. Am. 126 2254
[15] Bouaynaya N, Charif-Chefchaouni M, Schonfeld D 2008 IEEE Trans. Pattern Anal. Mach, Intell. 30 5
[16] Tang W L, Fan J 2004 Acta Acustica 29 5 (in Chinese) [汤渭霖, 范军 2004 声学学报 29 5]
[17] Tesei A, Fawcett J A, Lim R 2008 Appl. Acoust. 69 422
[18] Touraine N, Haumesser L, De’cultot D, Maze G 2000 J. Acoustic Soc. Am. 108 5
[19] Tang W L 1994 Acta Acustica 19 92 (in Chinese) [汤渭霖 1994 声学学报 19 92]
[20] Thomas M, Lethakumary B, Jacob R 2012 ICCEET p717
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