A passive synthetic aperture phase correction algorithm for the asymmetric twin-line array sonar  

作　　者：LI Yu ZHANG Yangfan HUANG Haining LI Shuqiu LI Qihu ZHANG Chunhua 

机构地区：[1]Institute of Acoustics, The Chinese Academy of Sciences Beijing 100080

出　　处：《Chinese Journal of Acoustics》2007年第4期337-344,共8页声学学报（英文版）

摘　　要：A passive synthetic aperture based on phase correction algorithm for solving the port-starboard discrimination problem in the non-aligned towed twin-line array sonar, is described. This method creates a virtual array through applying the estimated phase correction into one array of twin-line arrays. Because the synthetic virtual array is aligned with the other array in twin-line arrays, the right port-starboard discriminated results can be obtained by array processing based on the new synthetic twin-line array. The effect of proposed method has been shown by simulated and sea-trials results in towed twin-line array sonar. With low extra computational loads, the proposed method is easy to apply to the practice.A passive synthetic aperture based on phase correction algorithm for solving the port-starboard discrimination problem in the non-aligned towed twin-line array sonar, is described. This method creates a virtual array through applying the estimated phase correction into one array of twin-line arrays. Because the synthetic virtual array is aligned with the other array in twin-line arrays, the right port-starboard discriminated results can be obtained by array processing based on the new synthetic twin-line array. The effect of proposed method has been shown by simulated and sea-trials results in towed twin-line array sonar. With low extra computational loads, the proposed method is easy to apply to the practice.

分 类 号：O42[理学—声学]