声纳阵列信号处理技术

声纳阵列信号处理技术 pdf epub mobi txt 电子书 下载 2025

杜选民 著 著
想要找书就要到 静流书站
立刻按 ctrl+D收藏本页
你会得到大惊喜!!
出版社: 电子工业出版社
ISBN:9787121336492
版次:1
商品编码:12320246
包装:平装
开本:16开
出版时间:2018-02-01
用纸:胶版纸
字数:396000

具体描述

内容简介

阵列信号处理是现代声纳设备的核心功能之一。通过接收阵列的信号处理,可以获取空间指向性增益,提高空间分辨和干扰抑制能力,实现对目标的检测与跟踪、方位与距离估计;通过发射阵列的信号处理,可以获取具有一定时延差或相位差的阵元信号,从而形成指向性发射波束,提高声源级;通过空-时自适应处理,可以提高对弱目标的检测能力。近年来,声纳技术不断发展,出现了多线列阵声纳、连续波声纳、MIMO声纳等新体制声纳以及自适应盲处理、时反处理、矢量信号处理、鲁棒性波束形成、模基信号处理等新型处理算法,这些都是声纳阵列信号处理的发展与丰富。本书深入、系统地介绍了可应用于实际声纳设备的阵列信号处理技术,在简单的原理接收基础上又大量的计算机模拟仿真及湖、海试实际数据的处理结果。另外本书有较大篇幅的声纳阵列信号处理领域的新技术介绍。

作者简介

杜选民,1970年9月出生,研究员/博士生导师,毕业于哈尔滨工程大学,获水声工程专业博士学位。现担任中国船舶重工集团公司第七二六研究所副所长、水声对抗技术重点实验室副主任、水声对抗技术重点实验室学术委员会副主任委员、水声对抗国防科技创新团队带头人、上海市声学学会理事、《声学学报》《声学技术》《舰船科学技术》编委会委员。

从事水声及水声对抗技术研究工作20余年,主持研制了舰用鱼雷报警声纳、舰水声对抗系统、港口近程水下警戒探测系统等装备,均填补*内空白,获国防科技进步一等奖2项、二等奖2项、三等奖2项。在国内首次解决了拖线阵左右舷分辨、高速运动目标自适应检测与识别、非线性声纳工程应用等关键技术。

入选国家新世纪百千万人才工程、国防科技工业511人才工程、国防科技工业有突出贡献中青年专家、上海市领军人才。


目录

第1 章 声场概述············································································································1

1.1 引言···························································································································· 1

1.2 声波的基本概念········································································································ 1

1.3 声学基本物理量········································································································ 1

1.4 理想流体介质中小振幅波传播的基本规律······························································ 2

1.4.1 理想流体介质······································································································· 2

1.4.2 连续性方程·········································································································· 3

1.4.3 状态方程············································································································· 3

1.4.4 运动方程············································································································· 4

1.4.5 波动方程············································································································· 4

1.4.6 速度势函数·········································································································· 4

1.4.7 亥姆霍兹方程······································································································· 5

1.4.8 三种不同坐标系下亥姆霍兹方程求解····································································· 5

1.4.9 线性滤波器理论框架下波动方程求解····································································· 9

1.4.10 介质特性阻抗··································································································· 11

1.5 分层介质中的波传播······························································································· 11

1.5.1 平行平面层中波传播的一般关系·········································································· 11

1.5.2 边界条件··········································································································· 12

1.5.3 硬底均匀浅海声场······························································································ 12

1.5.4 液态海底均匀浅海声场······················································································· 14

1.6 声场传播基本模型··································································································· 15

1.7 声学工具·················································································································· 16

1.8 本章小结·················································································································· 17

参考文献······························································································································17

第2 章 基阵理论基础···································································································18

2.1 引言·························································································································· 18

2.2 基阵的主要性能参数······························································································· 18

2.2.1 常见的基阵类型································································································· 18

2.2.2 主要性能参数····································································································· 18

2.3 均匀线列阵·············································································································· 21

2.3.1 基阵响应(指向性函数) ···················································································· 22

2.3.2 乘积定理··········································································································· 24

2.3.3 幅度加权··········································································································· 25

2.3.4 波束扫描··········································································································· 25

2.3.5 离散空间傅里叶变换··························································································· 27

2.3.6 宽带声源·························


前言/序言

阵列信号处理是现代声纳设备的核心功能之一。通过对接收阵列的信号处理,可以获

取空间指向性增益,提高声纳作用距离,实现对目标的检测与跟踪、方位与距离估计;通

过发射阵列的信号处理,可以获取具有一定时延差或相位差的阵元信号,从而形成指向性

发射波束,提高声源级;通过空—时自适应处理,可以提高对弱目标的检测能力。近年来,

声纳技术不断发展,出现了多线列阵声纳、连续波主动声纳、MIMO 声纳等新体制声纳及

自适应盲处理、时反处理、矢量信号处理、鲁棒性波束形成、模基信号处理等新型处理算

法,这些都是声纳阵列信号处理的发展与丰富。

本书作者一直从事水声及水声对抗技术研究和装备研制工作,在长期工作和学习中积

累了较丰富的理论知识和工程经验,现将多年来在阵列信号处理方面的研究成果进行提炼

和总结,形成本书。本书分为基础理论、阵列应用和新技术研究三个部分。基础理论部分

(第1~3 章)介绍了海洋信道中的声场模型、基阵理论基础和阵列信号模型,是各种阵列

信号处理技术研究的理论基础。阵列应用部分(第4~8 章)分别介绍了矢量水听器及阵处

理、自适应波束形成与噪声抵消、声纳被动定位、目标运动分析、空时自适应处理技术和方

法,是阵列信号处理的具体应用和实践。第9 章新技术研究部分介绍了模基信号处理、MIMO

声纳处理、连续波主动声纳处理技术的原理和方法,是阵列信号处理的重要发展方向。

本书试图将阵列信号处理的理论模型和工程应用结合起来,侧重于实用。希望对从事

水声及水声对抗技术研究和装备研制的科研人员有所帮助。本书可作为水声工程、信号处

理等专业研究生教材,也可作为声纳设备设计人员开展相关研究工作的参考。

本书在撰写过程中,得到了姚蓝教授、惠俊英教授、王广恩研究员等老一辈水声行业专家的

指导,并提出十分关键的修改意见,在此向他们表示崇高的敬意和衷心的感谢。本书的研究

工作得到水声对抗技术重点实验室孟昭文主任的大力支持,刘本奇、蒋小勇、潘谢帆、谭君

红等参与了有关章节的研究工作,在此一并表示感谢。

由于作者水平有限,书中难免有不妥之处,敬请读者批评指正。

作者

2017 年4 月



用户评价

评分

评分

评分

评分

评分

评分

评分

评分

评分

相关图书

本站所有内容均为互联网搜索引擎提供的公开搜索信息,本站不存储任何数据与内容,任何内容与数据均与本站无关,如有需要请联系相关搜索引擎包括但不限于百度google,bing,sogou

© 2025 book.coffeedeals.club All Rights Reserved. 静流书站 版权所有