聲納陣列信號處理技術 pdf epub mobi txt 電子書 下載 2024

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聲納陣列信號處理技術

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杜選民 著 著



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齣版社: 電子工業齣版社
ISBN:9787121336492
版次:1
商品編碼:12320246
包裝:平裝
開本:16開
齣版時間:2018-02-01
用紙:膠版紙
字數:396000

聲納陣列信號處理技術 epub 下載 mobi 下載 pdf 下載 txt 電子書 下載 2024

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聲納陣列信號處理技術 epub 下載 mobi 下載 pdf 下載 txt 電子書 下載 2024

聲納陣列信號處理技術 pdf epub mobi txt 電子書 下載



具體描述

內容簡介

陣列信號處理是現代聲納設備的核心功能之一。通過接收陣列的信號處理,可以獲取空間指嚮性增益,提高空間分辨和乾擾抑製能力,實現對目標的檢測與跟蹤、方位與距離估計;通過發射陣列的信號處理,可以獲取具有一定時延差或相位差的陣元信號,從而形成指嚮性發射波束,提高聲源級;通過空-時自適應處理,可以提高對弱目標的檢測能力。近年來,聲納技術不斷發展,齣現瞭多綫列陣聲納、連續波聲納、MIMO聲納等新體製聲納以及自適應盲處理、時反處理、矢量信號處理、魯棒性波束形成、模基信號處理等新型處理算法,這些都是聲納陣列信號處理的發展與豐富。本書深入、係統地介紹瞭可應用於實際聲納設備的陣列信號處理技術,在簡單的原理接收基礎上又大量的計算機模擬仿真及湖、海試實際數據的處理結果。另外本書有較大篇幅的聲納陣列信號處理領域的新技術介紹。

作者簡介

杜選民,1970年9月齣生,研究員/博士生導師,畢業於哈爾濱工程大學,獲水聲工程專業博士學位。現擔任中國船舶重工集團公司第七二六研究所副所長、水聲對抗技術重點實驗室副主任、水聲對抗技術重點實驗室學術委員會副主任委員、水聲對抗國防科技創新團隊帶頭人、上海市聲學學會理事、《聲學學報》《聲學技術》《艦船科學技術》編委會委員。

從事水聲及水聲對抗技術研究工作20餘年,主持研製瞭艦用魚雷報警聲納、艦水聲對抗係統、港口近程水下警戒探測係統等裝備,均填補*內空白,獲國防科技進步一等奬2項、二等奬2項、三等奬2項。在國內首次解決瞭拖綫陣左右舷分辨、高速運動目標自適應檢測與識彆、非綫性聲納工程應用等關鍵技術。

入選國傢新世紀百韆萬人纔工程、國防科技工業511人纔工程、國防科技工業有突齣貢獻中青年專傢、上海市領軍人纔。


目錄

第1 章 聲場概述············································································································1

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

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

1.3 聲學基本物理量········································································································ 1

1.4 理想流體介質中小振幅波傳播的基本規律······························································ 2

1.4.1 理想流體介質······································································································· 2

1.4.2 連續性方程·········································································································· 3

1.4.3 狀態方程············································································································· 3

1.4.4 運動方程············································································································· 4

1.4.5 波動方程············································································································· 4

1.4.6 速度勢函數·········································································································· 4

1.4.7 亥姆霍茲方程······································································································· 5

1.4.8 三種不同坐標係下亥姆霍茲方程求解····································································· 5

1.4.9 綫性濾波器理論框架下波動方程求解····································································· 9

1.4.10 介質特性阻抗··································································································· 11

1.5 分層介質中的波傳播······························································································· 11

1.5.1 平行平麵層中波傳播的一般關係·········································································· 11

1.5.2 邊界條件··········································································································· 12

1.5.3 硬底均勻淺海聲場······························································································ 12

1.5.4 液態海底均勻淺海聲場······················································································· 14

1.6 聲場傳播基本模型··································································································· 15

1.7 聲學工具·················································································································· 16

1.8 本章小結·················································································································· 17

參考文獻······························································································································17

第2 章 基陣理論基礎···································································································18

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

2.2 基陣的主要性能參數······························································································· 18

2.2.1 常見的基陣類型································································································· 18

2.2.2 主要性能參數····································································································· 18

2.3 均勻綫列陣·············································································································· 21

2.3.1 基陣響應(指嚮性函數) ···················································································· 22

2.3.2 乘積定理··········································································································· 24

2.3.3 幅度加權··········································································································· 25

2.3.4 波束掃描··········································································································· 25

2.3.5 離散空間傅裏葉變換··························································································· 27

2.3.6 寬帶聲源·························


前言/序言

陣列信號處理是現代聲納設備的核心功能之一。通過對接收陣列的信號處理,可以獲

取空間指嚮性增益,提高聲納作用距離,實現對目標的檢測與跟蹤、方位與距離估計;通

過發射陣列的信號處理,可以獲取具有一定時延差或相位差的陣元信號,從而形成指嚮性

發射波束,提高聲源級;通過空—時自適應處理,可以提高對弱目標的檢測能力。近年來,

聲納技術不斷發展,齣現瞭多綫列陣聲納、連續波主動聲納、MIMO 聲納等新體製聲納及

自適應盲處理、時反處理、矢量信號處理、魯棒性波束形成、模基信號處理等新型處理算

法,這些都是聲納陣列信號處理的發展與豐富。

本書作者一直從事水聲及水聲對抗技術研究和裝備研製工作,在長期工作和學習中積

纍瞭較豐富的理論知識和工程經驗,現將多年來在陣列信號處理方麵的研究成果進行提煉

和總結,形成本書。本書分為基礎理論、陣列應用和新技術研究三個部分。基礎理論部分

(第1~3 章)介紹瞭海洋信道中的聲場模型、基陣理論基礎和陣列信號模型,是各種陣列

信號處理技術研究的理論基礎。陣列應用部分(第4~8 章)分彆介紹瞭矢量水聽器及陣處

理、自適應波束形成與噪聲抵消、聲納被動定位、目標運動分析、空時自適應處理技術和方

法,是陣列信號處理的具體應用和實踐。第9 章新技術研究部分介紹瞭模基信號處理、MIMO

聲納處理、連續波主動聲納處理技術的原理和方法,是陣列信號處理的重要發展方嚮。

本書試圖將陣列信號處理的理論模型和工程應用結閤起來,側重於實用。希望對從事

水聲及水聲對抗技術研究和裝備研製的科研人員有所幫助。本書可作為水聲工程、信號處

理等專業研究生教材,也可作為聲納設備設計人員開展相關研究工作的參考。

本書在撰寫過程中,得到瞭姚藍教授、惠俊英教授、王廣恩研究員等老一輩水聲行業專傢的

指導,並提齣十分關鍵的修改意見,在此嚮他們錶示崇高的敬意和衷心的感謝。本書的研究

工作得到水聲對抗技術重點實驗室孟昭文主任的大力支持,劉本奇、蔣小勇、潘謝帆、譚君

紅等參與瞭有關章節的研究工作,在此一並錶示感謝。

由於作者水平有限,書中難免有不妥之處,敬請讀者批評指正。

作者

2017 年4 月



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