Antennas: From the Theory of Long Lines to Integral Equations (天線：從長線理論到積分方程)

Levin, Boris

Antennas: From the Theory of Long Lines to Integral Equations
  • 出版商: CRC
  • 出版日期: 2024-12-26
  • 售價: $6,390
  • 貴賓價: 9.5 折 $6,071
  • 語言: 英文
  • 頁數: 524
  • 裝訂: Hardcover - also called cloth, retail trade, or trade
  • ISBN: 1032582154
  • ISBN-13: 9781032582153
  • 相關分類: 天線相關 Antennas

    • 尚未上市，無法訂購

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商品描述

This book describes both known and new results. In the sections devoted to the use of integral equations for the current in a linear metal radiator, the focus is on Leontovich's equation. An advantage of this equation is the simplicity of the solution and the absence of the argument φ in it because the integration over φ already performed. The refined solution makes it possible to determine the total sum of the series for the current, which is close to the known solution including only the first terms. The results of the synthesis of different types of antennas with capacitive loads are presented, which makes it possible to implement Hallen's hypothesis about the usefulness of applying such loads to create an in-phase current distribution in antennas and to obtain required characteristics.

New results include the widespread use of the complex potential method in relation to the calculation of capacitive structures in homogeneous and inhomogeneous media, antenna patterns and flows of electrical fields between antenna elements and in the surrounding space. In particular, the analysis of field flows makes it possible to substantiate a rigorous method for analyzing microstrip antennas. The characteristics of antennas in various conditions of their installation are considered and compared. The results of the use of multi-floors structures that provide in the wide frequency range the radiation in direction perpendicular to the antenna axis, and structures that make it possible to reduce the mutual influence of antennas located at different heights on a common mast are described.

商品描述(中文翻譯)

本書描述了已知和新發現的結果。在專門討論線性金屬輻射器中電流的積分方程使用的部分，重點放在 Leontovich 方程上。這個方程的一個優點是解的簡單性，以及因為已經對 φ 進行了積分而不再需要該參數。精細的解使得能夠確定電流的總和，這接近於僅包含前幾項的已知解。文中還呈現了不同類型天線與電容負載的綜合結果，這使得能夠實現 Hallen 假設，即應用這類負載來創造天線中的同相電流分佈並獲得所需特性。

新結果包括在均勻和非均勻介質中計算電容結構、天線圖樣以及天線元件之間和周圍空間的電場流的複雜勢方法的廣泛應用。特別是，對場流的分析使得能夠為微帶天線的分析提供嚴謹的方法。考慮並比較了天線在各種安裝條件下的特性。描述了多層結構的使用結果，這些結構在寬頻範圍內提供垂直於天線軸的輻射，以及能夠減少位於不同高度的天線在共用桅杆上的相互影響的結構。

作者簡介

Boris Levin was born in Saratov, Russia, in January 1937. He graduated from Leningrad Polytechnic Institute in 1960, received his Ph.D. in radio physics from Central Research Institute of Automatic Devices in Leningrad in 1969 and Doctor of Sciences Degree in Physics and Mathematics (Russian equivalent of professor degree) from S.-Petersburg Polytechnic University in 1993. From 1963 to 1998 he worked for the Design Department "Svyazmorproyekt" of Russia Shipbuilding Ministry. From 2008 to 2015 he works in Holon Institute of Technology, Israel. Currently he is retired.

Levin Boris has authored 9 books, including three books in Russian and six books in English, including "The theory of thin antennas and its use in antenna engineering" (Bentham Science Publishers, 2013), "Antenna Engineering. Theory and Problems" (CRC Press, 2017), "Wide-range and Multi-frequency Antennas" (CRC Press, 2019) and "Antennas: Rigorous Methods of Analysis and Synthesis" (CRC Press, 2021). Further he has authored 94 original articles in technical journals, 97 papers in proceedings of international scientific conferences, and 45 patents. His main research interests are in the fields of the electromagnetic theory, the theory of linear antennas and antenna optimization. Major accomplishments are analysis, design and developments of new antennas.

作者簡介(中文翻譯)

Boris Levin於1937年1月出生於俄羅斯薩拉托夫。他於1960年畢業於列寧格勒理工學院，1969年在列寧格勒中央自動設備研究所獲得無線物理學博士學位，並於1993年在聖彼得堡理工大學獲得物理與數學的科學博士學位（相當於俄羅斯的教授學位）。從1963年到1998年，他在俄羅斯造船部的設計部門「Svyazmorproyekt」工作。2008年至2015年，他在以色列霍隆科技學院工作。目前他已退休。

Levin Boris著有9本書籍，其中包括三本俄文書籍和六本英文書籍，包括《薄天線理論及其在天線工程中的應用》（Bentham Science Publishers，2013年）、《天線工程：理論與問題》（CRC Press，2017年）、《寬頻與多頻天線》（CRC Press，2019年）以及《天線：嚴謹的分析與合成方法》（CRC Press，2021年）。此外，他還在技術期刊上發表了94篇原創文章，在國際科學會議的會議論文中發表了97篇，並擁有45項專利。他的主要研究興趣包括電磁理論、線性天線理論及天線優化。主要成就包括新天線的分析、設計與開發。

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