声纳阵列信号处理技术-so88
声纳阵列信号处理技术 pdf epub mobi txt 电子书 下载 2022
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杜选民 著
店铺: 兰兴达图书专营店 出版社: 电子工业出版社 ISBN:9787121336492 商品编码:26263796309 包装:平装 出版时间:2018-02-01
基本信息
书名:声纳阵列信号处理技术
:58.00元
作者:杜选民
出版社:电子工业出版社
出版日期:2018-02-01
ISBN:9787121336492
字数:
页码:
版次:1
装帧:平装
开本:16开
商品重量:0.4kg
编辑推荐
内容提要
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。
目录
第1 章 声场概述············································································································1
n1.1 引言···························································································································· 1
n1.2 声波的基本概念········································································································ 1
n1.3 声学基本物理量········································································································ 1
n1.4 理想流体介质中小振幅波传播的基本规律······························································ 2
n1.4.1 理想流体介质······································································································· 2
n1.4.2 连续性方程·········································································································· 3
n1.4.3 状态方程············································································································· 3
n1.4.4 运动方程············································································································· 4
n1.4.5 波动方程············································································································· 4
n1.4.6 速度势函数·········································································································· 4
n1.4.7 亥姆霍兹方程······································································································· 5
n1.4.8 三种不同坐标系下亥姆霍兹方程求解····································································· 5
n1.4.9 线性滤波器理论框架下波动方程求解····································································· 9
n1.4.10 介质特性阻抗··································································································· 11
n1.5 分层介质中的波传播······························································································· 11
n1.5.1 平行平面层中波传播的一般关系·········································································· 11
n1.5.2 边界条件··········································································································· 12
n1.5.3 硬底均匀浅海声场······························································································ 12
n1.5.4 液态海底均匀浅海声场······················································································· 14
n1.6 声场传播基本模型··································································································· 15
n1.7 声学工具·················································································································· 16
n1.8 本章小结·················································································································· 17
n参考文献······························································································································17
n第2 章 基阵理论基础···································································································18
n2.1 引言·························································································································· 18
n2.2 基阵的主要性能参数······························································································· 18
n2.2.1 常见的基阵类型································································································· 18
n2.2.2 主要性能参数····································································································· 18
n2.3 均匀线列阵·············································································································· 21
n2.3.1 基阵响应(指向性函数) ···················································································· 22
n2.3.2 乘积定理··········································································································· 24
n2.3.3 幅度加权··········································································································· 25
n2.3.4 波束扫描··········································································································· 25
n2.3.5 离散空间傅里叶变换··············································
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