短波天线小型化技术分析

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1、哈尔滨工业大学工学硕士学位论文whichmeetstherequirementsandshowsgreatpracticalvalue.Theperformanceofthedielectricloadedantennaislimitedbypermittivityandmediumthickness.Theeffectofdielecticloadingisnotapparent.TheantennapresentedinthispapercanbewidelyusedinHFcommunicationsystem,over-the-horizonradara

2、ndsoon.Keywords：HFantenna,miniaturization,electricallysmallantenna,loading,bandwithbroadening-III-哈尔滨工业大学工学硕士学位论文目录摘要...............................................................................................................................IABSTRACT...............................

3、......................................................................................II目录............................................................................................................................IV第1章绪论...............................................................

4、.................................................11.1课题来源及研究目的与意义................................................................................11.2国内外研究现状....................................................................................................21.2.1国内研究现状................

5、................................................................................21.2.2国外研究现状................................................................................................81.2.3国内外研究现状概括.................................................................................

6、.121.3本文的研究内容和结构......................................................................................12第2章电小天线基本理论..........................................................................................142.1电小天线的概念...................................................................

7、...............................142.2电小天线的性能参数..........................................................................................142.2.1天线的几个基本指标..................................................................................152.2.2电小天线强调的性能参数.................................

8、............