Phase Difference Estimation Methods for Linear Array

摘要：

The performance of array may be seriously degraded by the difference of phase responses between the array elements. Thus it is important to compensate these differences by means of precise phase estimation. In this paper, two methods for phase difference estimation between linear array elements are presented. The first one works by applying the cost function to search the optimal source position before the phase difference is obtained. The other one establishes the observation equation at first, and then solves it by least-squares method. Algorithms for both methods proposed here are very simple, while the required experimental equipments are also not very complicated. Simulation results and experiment results show that both methods have sufficient accuracy and are easy for application.

作者: Jia LIU Shengchun PIAO Shie YANG Yang SONG Yichi ZHANG

作者单位: College of Underwater Acoustic Engineering,Harbin Engineering University,Harbin,150001,China

会议类型: 国际会议

会议名称: The 2nd International Symposium on Systems and Control in Aeronautics and Astronautics(第二届航空航天系统与控制国际会议 ISSCAA 2008)

会议地点: 深圳

会议语种:英文

页码: 487-489

在线出版日期: 2008-12-10（万方平台首次上网日期，不代表论文的发表时间）