Envelope Phase Shift Feature Extraction of Underwater Target Echo

被引：1
|
作者：
Yong, Jintao [1 ]
Chen, Yunfei [1 ]
Zhang, Yang [1 ]
Jia, Bing [1 ]
Li, Guijuan [1 ]
机构：
[1] Sci & Technol Underwater Test & Control Lab, Dalian, Peoples R China
来源：
2019 4TH INTERNATIONAL CONFERENCE ON COMMUNICATION, IMAGE AND SIGNAL PROCESSING (CCISP 2019) | 2020年 / 1438卷
关键词：
D O I：
10.1088/1742-6596/1438/1/012004
中图分类号：
TB8 [摄影技术];
学科分类号：
0804 ;
摘要：
Aiming at the problem of target classification with different physical property parameters, the phase characteristics of echo envelope associated with different physical property parameters are studied, and the feature extraction method of the phase shift characteristics of the target echo envelope is established. The extraction method and the feature resolution performance of the phase shift characteristics of echo envelope are verified by the water-tank test of cylindrical targets with different materials and finite length. The experimental results of the underwater cylindrical target echo show that the feature of target echo envelope phase shift has significant difference with the change of target material, structure and radial scale. The phase shift feature of underwater target echo envelope has good performance for targets with different physical property parameters.
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页数：9
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