电讯技术2018，Vol.58Issue(2)：145-151,7.DOI:10.3969/j.issn.1001-893x.2018.02.005
阵形畸变对拖线阵三维探测性能的影响及补偿技术
Effect of Array Shape Distortion on 3D Detection Performance of Towed Line Array and Compensation Technique
摘要
Abstract
For the discontinuous problem of the target detection caused by the array shape distortion of the towed line array,firstly,the influence of the array shape distortion on the 3D detection performance is ana-lyzed,and the feasibility of extracting target depth information is demonstrated via the actual array shape forming the aperture in the vertical direction. Then,according to the monitoring data of the attitude sensor and depth sensor,a 3D compensation technique based on array shape automatic fitting is proposed. Final-ly,the steering vector is modified by the 3D compensation technique to reduce the mismatch between the steering vector and covariance matrix,and the discontinuous problem of the target detection caused by the array shape distortion is solved. The results of numerical simulation show that,estimation of the 3D array shape and compensation for the distortion array shape can achieve 3D detection of underwater unknown tar-get,avoid the influence of calibration source on the real-time detecting target,and is convenient for engi-neering application.关键词
水下目标探测/拖线阵/阵形畸变/深度信息提取/三维补偿/三维探测Key words
underwater target detection/towered line array/array shape distortion/depth information extraction/3D compensation/3D detection分类
信息技术与安全科学引用本文复制引用
王思秀..阵形畸变对拖线阵三维探测性能的影响及补偿技术[J].电讯技术,2018,58(2):145-151,7.基金项目
新疆维吾尔自治区自然科学基金资助项目(2017D01A23) （2017D01A23）
