[1]芦嘉,生雪莉,凌青,等.双基地声呐发射声屏蔽技术[J].哈尔滨工程大学学报,2015,(09):1177-1182.[doi:10.11990/jheu.201503084]
 LU Jia,SHENG Xueli,LING Qing,et al.Transmission shielding technology for bistatic sonar[J].hebgcdxxb,2015,(09):1177-1182.[doi:10.11990/jheu.201503084]
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双基地声呐发射声屏蔽技术(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2015年09期
页码:
1177-1182
栏目:
出版日期:
2015-09-25

文章信息/Info

Title:
Transmission shielding technology for bistatic sonar
作者:
芦嘉12 生雪莉123 凌青3 董伟佳12 伍飞云4 孙筱逸12
1. 哈尔滨工程大学水声技术重点实验室, 黑龙江 哈尔滨 150001;
2. 哈尔滨工程大学水声工程学院, 黑龙江 哈尔滨 150001;
3. 复杂舰船系统仿真重点实验室, 北京 100161;
4. 厦门大学水声通信与海洋信息技术教育部重点实验室, 福建 厦门 361005
Author(s):
LU Jia12 SHENG Xueli123 LING Qing3 DONG Weijia12 WU Feiyun4 SUN Xiaoyi12
1. Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin 150001, China;
2. College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin 150001, China;
3. Science and Technology on Complex Ship Systems Simulation Laboratory, Beijing 100161, China;
4. Key Laboratory of Underwater Acoustic Communication and Marine Information Technique of the Ministry of Education, Xiamen University, Xiamen 361005, China
关键词:
发射声屏蔽双基地声呐盲区目标探测直达波抑制自屏蔽信号正交匹配追踪
分类号:
TB332
DOI:
10.11990/jheu.201503084
文献标志码:
A
摘要:
基线附近区域为双基地声呐的探测盲区,当目标位于基线区域时,目标回波与强直达波干扰同时同向到达,基于空域滤波等的传统直达波抑制方法失效。为实现双基地声呐对盲区内目标的探测,提出了一种适用于多发射阵元系统的发射声屏蔽技术。发射声屏蔽技术利用目标回波与直达波相异的多途信道结构特性,自动屏蔽在接收站位置处的直达波而不影响目标回波,且不需接收站进行任何后续处理。在已知回波信道信息时,发射声屏蔽技术可进一步实现对回波信号的聚焦,提高信干比。仿真结果表明,在不同信道条件下发射声屏蔽均能有效抑制直达波干扰。利用发射声屏蔽技术,双基地声呐能够实现对基线区内目标的检测。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-03-27;改回日期:。
基金项目:国家自然科学基金资助项目(51179034);海洋工程国家重点实验室(上海交通大学)资助项目(1211).
作者简介:芦嘉(1987-),男,博士研究生;生雪莉(1977-),女,副教授.
通讯作者:生雪莉,E-mail:shengxueli@aliyun.com
更新日期/Last Update: 2015-10-28