甚低頻波段 的英文怎麼說

中文拼音 [shébīnduàn]
甚低頻波段 英文
very low frequency band
  • : 甚代詞[書面語] (什麼; 怎麼) what
  • : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : Ⅰ量詞(部分) section; segment; part; paragraph; passage Ⅱ名詞(姓氏) a surname
  • 波段 : [電學] wave band; wave range; band; range; frequency range; frequency band
  1. Many technologies of electrically small antennas and wide band antennas are discussed in theory, simulation and experiment. and some novel electrically small or wide band antennas are proposed. the loaded monopole is analyzed in depth integrating the genetic algorithm ( ga ) with the method of moments ( mom ) in order to increase the gain and decrease the vswr of antennas used at hf / vhf band

    在本論文的研究過程中,通過合理利用各種現有的天線寬帶化和小型化的理論成果、有效的綜合各種技術措施,運用矩量法和遺傳優化演算法等數值方法,深入研究了加載單極子天線問題,旨在全面提高高/內的天線增益和降電壓駐比,以獲得較高增益的、基本滿足駐要求的小型超寬帶天線。
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