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內(nèi)容簡介

　　本書系統(tǒng)地介紹了近海面蒸發(fā)波導(dǎo)的理論模型與特性。全書共12 章，內(nèi)容包括緒論、蒸發(fā)波導(dǎo)的基本概念、蒸發(fā)波導(dǎo)預(yù)測模型、蒸發(fā)波導(dǎo)高度時空分布規(guī)律、蒸發(fā)波導(dǎo)環(huán)境特性實時監(jiān)測及短期預(yù)報方法、蒸發(fā)波導(dǎo)與海水蒸發(fā)量的關(guān)系、蒸發(fā)波導(dǎo)中的電磁波傳播模型、海洋蒸發(fā)波導(dǎo)中的電磁波傳播特性、蒸發(fā)波導(dǎo)數(shù)據(jù)傳輸系統(tǒng)、蒸發(fā)波導(dǎo)反演方法、基于BP 神經(jīng)網(wǎng)絡(luò)算法的蒸發(fā)波導(dǎo)預(yù)測模型、蒸發(fā)波導(dǎo)環(huán)境特性數(shù)據(jù)庫軟件。本書融入了作者團隊10 余年來在蒸發(fā)波導(dǎo)方面的科研成果，納入了作者團隊在國內(nèi)外重要期刊上發(fā)表的20 余篇論文，同時也參考了少量國內(nèi)外相關(guān)的研究成果。

作者簡介

　　楊坤德博士，西北工業(yè)大學(xué)教授、博士生導(dǎo)師，現(xiàn)任“海洋聲學(xué)信息感知”工信部重點實驗室主任、“水下信息與控制”國家級重點實驗室副主任、航海學(xué)院科研副院長。主要從事水聲工程的教學(xué)與科研，研究方向包括海洋聲學(xué)、水聲信號與信息處理、水聲系統(tǒng)設(shè)計與集成等。

圖書目錄

目錄
第1 章緒論 ································································································.1
1.1 蒸發(fā)波導(dǎo)的研究背景與意義 ··································································.1
1.2 蒸發(fā)波導(dǎo)的研究歷史和現(xiàn)狀 ··································································.5
1.2.1 蒸發(fā)波導(dǎo)修正折射率剖面的測量方法和預(yù)測模型研究 ························.7
1.2.2 蒸發(fā)波導(dǎo)高度時空分布規(guī)律研究 ·················································.10
1.2.3 蒸發(fā)波導(dǎo)環(huán)境特性實時監(jiān)測及短期預(yù)報方法研究 ····························.12
1.2.4 蒸發(fā)波導(dǎo)中的電磁波傳播理論和傳播模型研究 ·······························.14
1.2.5 蒸發(fā)波導(dǎo)對船載電子系統(tǒng)的應(yīng)用影響研究 ·····································.16
1.3 本書的主要內(nèi)容 ···············································································.16
本章參考文獻 ·························································································.18
第2 章蒸發(fā)波導(dǎo)的基本概念 ·········································································.24
2.1 對流層折射 ·····················································································.24
2.1.1 球面分層大氣中的折射定律 ·······················································.24
2.1.2 射線的曲率半徑 ······································································.25
2.1.3 折射的分類 ············································································.26
2.1.4 修正折射率 ············································································.28
2.2 對流層大氣波導(dǎo)的分類 ······································································.29
本章小結(jié) ·······························································································.30
本章參考文獻 ·························································································.30
第3 章蒸發(fā)波導(dǎo)預(yù)測模型 ············································································.31
3.1 大氣運動的基本概念 ·········································································.31
3.1.1 大氣運動的基本方程 ································································.31
3.1.2 大氣中尺度環(huán)流 ······································································.31
3.1.3 莫寧-奧布霍夫相似理論 ····························································.32
3.2 蒸發(fā)波導(dǎo)預(yù)測模型——PJ 模型 ····························································.33
3.2.1 PJ 模型的基本理論 ···································································.33
3.2.2 計算機仿真結(jié)果 ······································································.35
3.3 蒸發(fā)波導(dǎo)預(yù)測模型——偽折射率模型 ···················································.37
3.3.1 偽折射率模型的基本理論 ··························································.37
3.3.2 計算機仿真結(jié)果 ······································································.40
3.4 蒸發(fā)波導(dǎo)預(yù)測模型——NPS 模型 ·························································.41
3.4.1 NPS 模型 ···············································································.42
3.4.2 NPS 模型在穩(wěn)定條件下的改進 ····················································.44
3.5 蒸發(fā)波導(dǎo)高度對氣象要素的敏感性分析 ················································.46
3.6 冷空氣條件下不同蒸發(fā)波導(dǎo)預(yù)測模型的對比 ··········································.48
3.6.1 4 種蒸發(fā)波導(dǎo)預(yù)測模型的對比 ·····················································.49
3.6.2 冷空氣條件下的電磁波傳播實驗 ·················································.56
本章小結(jié) ·······························································································.63
本章參考文獻 ·························································································.63
第4 章蒸發(fā)波導(dǎo)高度時空分布規(guī)律 ································································.65
4.1 蒸發(fā)波導(dǎo)統(tǒng)計分析的方法與數(shù)據(jù)源 ······················································.65
4.2 世界海洋蒸發(fā)波導(dǎo)高度的時空分布規(guī)律及其成因分析 ······························.70
4.2.1 世界海洋蒸發(fā)波導(dǎo)高度的時空分布規(guī)律 ········································.70
4.2.2 世界海洋蒸發(fā)波導(dǎo)高度的時空分布規(guī)律的成因分析 ·························.74
4.3 西太平洋蒸發(fā)波導(dǎo)高度的時空分布規(guī)律及其成因分析 ······························.77
4.3.1 西太平洋蒸發(fā)波導(dǎo)高度的時空分布規(guī)律 ········································.77
4.3.2 西太平洋蒸發(fā)波導(dǎo)高度的時空分布規(guī)律的成因分析 ·························.82
4.4 中國南海蒸發(fā)波導(dǎo)高度的時空分布規(guī)律及其成因分析 ······························.87
4.4.1 中國南海蒸發(fā)波導(dǎo)高度的時空分布規(guī)律 ········································.88
4.4.2 中國南海蒸發(fā)波導(dǎo)高度的時空分布規(guī)律的成因分析 ·························.94
4.5 亞丁灣蒸發(fā)波導(dǎo)高度的時空分布規(guī)律及其成因分析 ·································.96
4.5.1 亞丁灣蒸發(fā)波導(dǎo)高度的時空分布規(guī)律 ·······4