線天線 的英文怎麼說
中文拼音 [xiàntiānxiàn]
線天線
英文
linear antenna
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線 :
名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
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Mutual coupling analysis of collinear antennas with signal and system concept
利用信號與系統概念分析
線天線的互阻抗
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The thesis focus on the numerical analytical method of curved broadband wire antennas. first, the paper introduced the development of broadband antennas, the common measures to broaden antennas " bandwidth and the study on curved antennas. second, the generalized halen integral equation ( mei ' s equation ) was derived based on the three basic equations of wire antennas by two means and its numerical solution method was discussed
本文就曲
線寬頻帶
線天線的數值分析方法展開研究,首先介紹了寬頻帶
天線的發展,實現
天線寬頻帶的常用方法和曲
線天線的研究現狀,然後在直
線加載
天線滿足的方程的基礎上用兩種方法推導了曲
線天線滿足的推廣的海倫積分方程( mei 』 s方程) ,討論了不同基函數下方程的數值解法。
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The rao - wilton - glisson basis function based on triangular patches is used in the moment method. a junction basis function based on triangular patches is adopted to deal with the key problem of the junction between the wire and patches
在使用矩量法的過程中,採用基於三角面元的rwg電流基函數;對于
線天線和面元間的連接這個關鍵問題,採用了一種連接處基函數。
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Beverage is noted for his experimentation with long wire antennas and received a patent on the wave antenna on june 7, 1921 which is commonly referred to today as the beverage antenna
貝威爾基於1921的6月7日憑著他著名實驗的長
線天線來申請了波長
天線專利,所以今
天都指貝威爾基
天線誕生於1921年6月7日。
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A very low ring of the antenna has been demonstrated with measurement results
實際測試結果顯示,電阻加載漸變槽
線天線拖尾脈沖的幅度非常低。
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The research of transient characteristics of thin wire antennas
細
線天線的瞬態響應特性的研究
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In this thesis, our work is focused on analyzing the effects of mutual coupling between elements of the thin dipole antenna array. the effects of mutual coupling on the antennas pattern synthesis and the amplitude - phase consistency of the input impedance of the uniformly - space liner array are presented. a new method that used the mutual coupling to synthesize the pattern is been given
本文就是以此為出發點,將半波長細
線對稱振子
線天線陣作為研究對象,以分析
天線陣列的互耦影響為核心,討論互耦對幾種方向圖綜合技術的影響,並從兩種不同的角度提出了對陣元互耦的校正方法。
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Wire antennas are still very popular on vehicles, ships and aircrafts. they are easily to be interference sources and sensitive bodies. in our calculation we must take account of the mutual coupling between wire antennas when they are very close
線天線在移動通信系統中被廣泛地應用,它作為許多機載、艦載、衛星、通信電子設備中電磁能量的發射和接收埠,最有可能成為輻射干擾的干擾源和敏感體,特別是當
天線靠得很近的時候,必須考慮相互之間的互耦。
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A new resistive loaded tapered slot antenna is proposed for the ground penetrating radar
摘要提出了一種可用於探地雷達系統的電阻加載漸變槽
線天線。
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Based on an analysis for the factors involving efficiency of loaded antennas, the shape of flare arms of slot line was modified, and the efficiency has been improved
在分析影響漸變槽
線天線加載效果因素的基礎上,提出了一種改進的槽
線金屬面形狀,提高了電阻加載的效果。
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Chapter 3 is devoted to an introduction of tri - band wire antennas for mobile communication
第三章詳細研究了移動通信中的三頻段
線天線。
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In chapter 2, a diversity wire antenna with two isolated ports has been optimized by using genetic algorithm and moment method ( ga + mom )
第二章利用遺傳演算法結合矩量法( ga + mom )優化出了一個兩埠分集
線天線結構。
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A hybrid method which combines the mom with the method of wavelet is used to calculate the current distributions along a wire antenna
將小波變換引入矩量法,得到求解
線天線電流分佈的一般方法,比普通的矩量法減少了計算量。
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Some novel electrically small antennas and wide band antennas such as hybrid loaded monopole, open - circuited transmission line loaded antenna and wire - taper antenna are designed according to these effective technologies found before
設計了混合加載
線天線、頂部套筒電小
天線、
線錐
天線等幾種新型的小型化
天線和寬帶化
天線結構。
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This dissertation is focused on the radiation problems of various kinds of wire antennas mounted on the complex - shaped pec platform and the scattering problems of complex - shaped electrically - large pec targets based on the theory of method of moments
本文主要應用基於電場積分方程( efie )的矩量法( mom )研究復雜形狀的金屬載體上多種
線天線的電磁輻射問題以及復雜形狀金屬目標的電磁散射問題。
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Finally, applying the current basis function of three - term sinusoidal expansion, the radiation characteristic and input impedance of the vertical and horizontal antennas above lossy ground are analyzed by the method of moments with the variation of frequency, height from the ground and ground parameters
最後,用矩量法,採用正弦插值基函數,研究地面上方垂直、水平
線天線的輻射特性和輸入阻抗隨著頻率、離地高度、地面參數等變化的情況。
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In this dissertation, the radiation problems of wire antenna mounted on the arbitrary shaped conducting platform and the scattering problems of arbitrary shaped conducting objects are analyzed using impedance matrix interpolation with the moment method
本文應用矩量法結合阻抗矩陣插值技術,快速有效地求解實際工程問題中常見的任意形狀金屬目標的電磁散射問題及金屬載體上
線天線的電磁輻射問題。
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This problem requires a good description of the electromagnetic behavior of the whole body, including the coupling and junction effects between the antennas and the supporting structure. for these kinds of problems, the method of moments ( mom ) is the most suitable tool due to its accuracy and versatility
對于這個問題的分析需要對整個金屬多面體和
線天線一起考慮,包括互耦以及
天線和金屬面的連接處的影響,由於矩量法具有精確度高和通用性強的特點,是解決此類問題的最適合的方法。
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Characteristic analysis of single wire antenna attached to a conducting body or plate is done in many papers but very few people pay attention to the case of several wire antennas. a deep research for several wire antennas attached to an arbitrary faceted conducting body is made in this paper
許多專家、學者都對金屬物體、金屬平板上的單根
線天線的特性進行了許多分析和研究,但是多根
線天線的情況卻研究得較少,本文對金屬多面體上有多根
線天線情況進行了深入的研究。
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In many cases vehicles, ships and aircrafts can be seen as arbitrary faceted conducting bodies. in this paper the characteristic of several wire antennas attached to an arbitrary faceted conducting body and the infection between them are analyzed
在很多情況下,車輛、艦艇、飛機、衛星等物體都可以近似看成金屬多面體,因此,本文主要研究金屬多面體上多根線天線的特性,分析他們之間的相互影響。