吉林大学学报(工学版) ›› 2020, Vol. 50 ›› Issue (5): 1876-1885.doi: 10.13229/j.cnki.jdxbgxb20190484
• 通信与控制工程 • 上一篇
浅海信道低频入射声场时空分布特性
祝令国1,2(
),赵安邦1(),杨宝山2,马忠成2,3,刘文章2,吕良浩2
- 1.哈尔滨工程大学 水声学院, 哈尔滨 150001
2.大连测控技术研究所 第一研究室, 辽宁 大连 116013
3.水下测控技术重点实验室 回声研究室, 辽宁 大连 116013
Temporal and spatial distribution of incident sound field with low frequency in shallow water
Ling-guo ZHU1,2(),An-bang ZHAO1(),Bao-shan YANG2,Zhong-cheng MA2,3,Wen-zhang LIU2,Liang-hao LYU2
- 1.College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin 150001, China
2.First Research Laboratory, Dalian Scientific Test & Control Technology Institute, Dalian 116013, China
3.Echo Research Laboratory, Science and Technology on Underwater Test and Control Laboratory, Dalian 116013, China
摘要：
基于简正波理论，数值分析了浅海信道不同声纳距离范围内入射声场结构、波达角特性和空间相关特性。根据水中目标入射声场的接收方式建立了接收模型，开展了典型声纳频段入射声场时空分布特性海上实验。理论和实验研究表明:远程来波声场主要由低阶简正波构成，在垂直面内近似于水平入射；低频声场具有明显的时间与空间稳定性，能对入射声场进行空间预测。
中图分类号:
- TB567
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