矩形天線 的英文怎麼說

中文拼音 [jǔxíngtiānxiàn]
矩形天線 英文
square looantenna
  • 矩 : 名詞1. （畫直角或正方形、矩形用的曲尺） carpenter's square; square2. （法度; 規則） rules; regulations 3. [物理學] moment
  • 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...
  1. Based on these theories, this paper discusses the method of design of the rectangular gunn integrated active microstrip patch antenna in detail. the size of the active antenna and the location of the device in the antenna is obtained at the specified operation frequency

    根據這些理論，詳細討論了一種集成gunn二極體的矩形有源微帶貼片天線的設計，得到了在給定的工作頻率下的有源天線尺寸和有源器件的位置。
  2. On the assumption that a cabin and a horn antenna were under the bottom of an airplane, fdtd method was applied to analyze the antenna patterns which are generally affected by the body of the airplane

    摘要假定飛機腹部加裝了某一形狀的炮艙和矩形喇叭天線，用時域有限差分法（ fdtd ）分析了這樣的外形對天線輻射特性的影響。
  3. Theoretical analysis of miniaturized rectangular microstrip patch antenna

    小型矩形微帶貼片天線的理論分析
  4. The basic concept of siw is that it use the top and bottom layers of metal together with two row of vias is very small compared with wavelength, the dissipation loss of radiation is very small. it acts like a rectangular waveguide filled with some dielectrics, so components which can be composed by rectangular waveguide can also composed by siw such as antenna, filter, power divider, coupler, resonator

    基片集成波導的基本概念是利用基片的上下金屬板和兩排間隔一定距離的金屬孔構成波導的金屬壁，由於每排金屬孔孔間距遠小於波長，因此由縫隙泄漏的能量很小，這相當于內部填充了介質的矩形波導，所以能夠用矩形普通波導實現的結構也都可以用基片集成波導來實現，比如功分器、濾波器、天線、耦合器、振蕩器等。
  5. In this thesis, the concept of " fractal " and the recursive algorithm of fractal structure are depicted. the wavelength - independent character of archimedean spiral antenna and the space filled property of koch monopole are analyzed by the method of moment

    本文介紹了分形的基本概念和分形結構的迭代演算法，採用矩量法分析了阿基米德螺旋天線的頻率無關特性和koch單極天線的空間填充特性。
  6. Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results

    文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比：電性能相當；波導管結構更加簡單，容易加工，便於安裝.文中給出圓突-矩形波導中主模場，圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣，縫隙電壓相位為同相分佈，輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖，理論與實驗相吻合
  7. A new waveguide made of changing a wide wall of a rectangular waveguide to a uniform curved wall is called conformal waveguide. a kind of expression of approximate solution for domain mode of the new waveguide, including symmetric, unsymmetric arc, parabolic arch, hyperbolic arch, elliptic arch, etc., is constructed by using boundary condition of mental waveguide, variational method and boundary element method. by using the equivalence principle, an approximate calculating formula for equivalent resonant conductance of a narrow longitudinal halfwavelength slot cut in the curved wall of the unsymmetric arcrectangular waveguide is derived, and the result is shown. although this solution is approximate, it can solve the problem in designing the slotted antenna of such conformal waveguide

    把矩形波導一個寬面外突成均勻曲面構成的新波導統稱為共形波導.利用金屬波導邊界條件、變分法、邊界元素法構造這種新波導中主模場的一種近似解表達式，包括曲面橫截線為對稱、非對稱圓弧，拋物線弧，雙曲線弧，橢圓弧等.然後根據等效原理，推導非對稱圓弧矩形波導曲面上窄的縱向半波長縫隙的等效諧振電導的近似計算公式，給出計算曲線.這種解雖然是近似的，但卻能解決這類共形波導縫隙天線的工程設計
  8. Compare to the normal rectangular waveguide, ridge waveguide has the character of broader bandwidth, smaller dimension, lower equivalent characteristic impedance, etc. because of these merits, it is used more and more widely, such as broadband ridge waveguide filter, broadband direct coupler, diplexer, frequency converter, phase shifter, ridge waveguide slot antenna array, and so on

    與普通矩形波導相比，脊波導具有工作頻帶寬、尺寸小、等效特性阻抗低等特點。由於脊波導本身的特點，使其得到了越來越多的應用，例如寬帶脊波導濾波器、寬帶定向耦合器、雙工器、變頻器、移相器、脊波導縫隙天線陣等等。
  9. Second, we compute the self - impedance through cavity modal theory and mutual impendance based on reaction theory respectively. then the generalized impedance matrix that reflects the effect of mutual coupling is formed. at last, the effect of mutual coupli ng on 2 - d doa estimation algorithms is investigated and two efficient methods of mutual coupling compensation are proposed

    本文首先對兩種二維doa估計演算法? ssm法和二維酉esprit法的性能進行了比較，用空域平滑演算法解決了相干源的二維doa估計；其次運用腔模理論計算微帶天線的自阻抗，用反應原理計算微帶天線間的互阻抗，進而形成計入互耦影響的廣義阻抗矩陣；討論了互耦對二維doa估計的影響，提出了兩種互耦補償的方法。
  10. This thesis in combination with the actual engineering demand, analyzes and designs a horizontally polarized triangular - grid planar phased array antenna, which composed of open - ended rectangular waveguide, the main steps of analyzing and designing are as follows : 1. at first, taking no account of mutual coupling among the array elements, classical electromagnetic theory is used to establish analyzing model for finite array, and initial value parameters of the array structure which basic satisfy the design index are got, these parameters provide reference for subsequent analyzing and design

    本論文結合實際工程需要，分析和設計了一個採用水平極化方式的三角形柵格矩形波導相控陣天線，其主要步驟如下: 1 .首先，在不考慮陣列單元間互耦影響的情況下，採用經典電磁理論建立有限陣列分析模型，通過分析得到了基本滿足設計指標的陣列結構參數，為后續的分析、設計提供參考。
  11. To meet the bandwidth requirements, a two - layer electromagnetically coupled rectangular microstrip antenna was introduced to the system. the influence of the inset position and the air thickness between the two layers on the impedance, resonant frequency, as well as the bandwidth was investigated

    為使天線達到系統要求，本文設計了兩層電磁耦合矩形微帶天線，分析了影響天線性能的微帶饋線插入深度，微帶饋線與貼片間距以及空氣層厚度這三個參數。
  12. Based on the idea of improving the frequency characteristic of the two parameters above, a novel method of improving the bandwidth of the slot array antenna is presented in this paper, which uses a ridged waveguide instead of a rectangular waveguide as the radiating waveguide

    本文以改善這兩個參數的頻率特性為出發點，提出了一種展寬波導裂縫天線帶寬的新方法，即用脊波導代替矩形波導作為輻射波導。
  13. This dissertation is focused on the study of adaptive digital beam forming ( dbf ), two - dim spectrum estimation and the determination of the highness of the object. main work include : 1 a method of adaptive dbf in received antenna array

    本文圍繞著自適應接收波束形成、時-空二維譜估計和對目標高度判定等方面進行研究，主要研究工作包括以下幾個方面： 1討論了在接收陣列天線中，自適應數字波束形成（ dbf ）的方法，引入了采樣梯度矩陣演算法。
  14. Type plane wave incidence and the input admittance of cylindrical monopole antenna, it is testified that the proposed method is more accurate than the conventional square contour integration method

    型平面波的散射電流以及單極細圓柱形天線的輸入導納，對所提出的方法作了驗證，證明了該方法比常用的矩形積分迴路法對細導線上電流的模擬要精確得多。
  15. 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。
  16. A design method of the dielectric - covered slots arrays in the narrow face of a rectangular wave - guide is presented in this paper

    本文提供了帶共形罩矩形波導窄邊縫隙天線陣的一種設計方法。
  17. This thesis presents the theoretical analysis about the design of the tunable antennas with multilayered structure theory and microstrip antenna ' s analytical methods. and it improves three typical kinds of antennas, and uses the voltage controlled ferroelectric materials. we analyze the tuning features of the antenna by simulation under the condition of different permittivity of the ferroelectric materials, and discuss the feasibility of improvement from microstrip antenna to tunable antenna

    本文結合多層介質理論及微帶天線的分析方法對可調諧天線進行理論分析，並對矩形貼片天線、圓形貼片天線、微帶振子天線三種典型的微帶天線結構進行改進，引入壓控鐵電薄膜材料，模擬分析在改變鐵電薄膜介電常數條件下天線的調諧特性，討論微帶天線改進為可調諧天線的可行性。
  18. Firstly a microstrip - fed microstrip patch antenna has been emulated and validated. on the base of this, the multi - band property of sierpinski equilateral triangle and squareness microstrip fractal patch antennas are carefully studied, and the effect of antenna ' s property by the permittivity, the size of patch, the order of the fractal and the decrease of fractal patches is depicted ; secondly on the base of analysis and comparison of performance of microstrip - fed semicircle and rectangle double - band microstrip patch antennas, warranty of dimension curtailment is offered ; finally expansion of band of those antennas above is discussed

    在此基礎上，著重分析了微帶線耦合饋電的sierpinski等邊三角形微帶分形貼片天線以及sierpinski方形微帶分形貼片天線的多頻特性，給出了介質參數、貼片尺寸、分形的階數以及減少分形貼片數對微帶線耦合饋電的sierpinki等邊三角和sierpinski方形微帶分形貼片天線特性的影響；其次基於微帶線耦合饋電的半圓雙頻微帶貼片天線和矩形雙頻微帶貼片天線的性能分析和比較，提供了尺寸縮減的依據；最後對以上天線的頻帶擴展進行了探論。
  19. 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。
  20. Based on chinese tracking and data relay satellite ( ctdrs ) in the future, the antenna pointing control and complex control theory of user satellite are studied deeply in this dissertation, which is funded by the improve item of dept. of astronautic engineering and mechanics ? “ the teaching demonstration of antenna pointing control system in tdrss ”. the main contents of this dissertation are consisted of the following parts : firstly, dynamics equation is derived using lagrange equation for user satellite, so as the kinetics equations of user satellite at the same time are expressed in the form with matrix differential equations that is suitable for attitude control system design and analysis

    本學位論文結合航空宇航科學與技術學科研究生教學基地實驗室建設項目「中繼系統星間鏈路天線指向控制系統教學與演示實驗」 ，以我國跟蹤與數據中繼衛星系統為背景，對某型號用戶星星間鏈路天線指向跟蹤控制和復合控制理論進行深入的研究，研究內容主要包括以下幾個方面: 1 .利用lagrange方程建立了用戶星的動力學方程，同時推導了運動學方程，並將這組動力學方程以矩陣微分方程形式表示，使之適用於姿態控制系統的設計和分析。
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