波導天線 的英文怎麼說

中文拼音 [bōdǎotiānxiàn]
波導天線 英文
waveguide antenna
  • 波 : 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...
  • 導 : 動詞1. （引導） lead; guide 2. （傳導） transmit; conduct 3. （開導） instruct; teach; give guidance to
  • 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...
  • 波導 : [物理學] （用在微波波段傳輸電磁波的裝置） waveguide; duct
  1. Conductance of parallel double - slotted waveguide array antennas

    平行雙縫型波導縫隙陣列天線的導納分析
  2. First, based on phased array antenna ' s mono - pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array

    首先以單脈沖相控陣天線測角原理為基本理論出發點，利用相位控制的坐標分離技術，基於線陣、圓形陣等簡單形式的相控陣天線，推導了平面陣、圓柱面陣等相控陣天線由相位量化誤差引起的波束指向誤差公式。
  3. Study of ablation radome material for broad - band supersonic missile

    高速寬頻帶導彈天線罩的耐燒蝕透波材料研究
  4. As the vital development of the millimeter wave guidance technology, phased array antennas use electrical control scanning beam, which results to faster scanning velocity, more flexible beam control and higher anti - interference ability. thus it can realize target seeking, tracing, guidance at the same time, and can work in the complex and worsening condition

    作為毫米波制導技術的一個重要發展方向，相控陣制導技術中的相控陣天線是採用電控方式掃描波束，掃描速度快、波束控制靈活、抗干擾能力強等，可以同時完成目標搜索、跟蹤、引導等多項功能，能工作在日益復雜和惡化的工作環境中。
  5. 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。
  6. Moment method is used for the analysis of interference among the vehicular multiple antennae in this paper. the multiple antennae system is equivalent to a microwave network, then the admittance matrix of the network can be obtained. using the admittance matrix, we can analyze the characteristic of coupling between two antennae and the near field of the antennae by the mom

    本文採用矩量法對車載多天線間的相互干擾特性進行了分析，將多天線系統等效為微波網路，然後採用矩量法求該網路的導納矩陣y ，利用該導納矩陣對天線間互耦特性進行分析，同時計算天線的近場分佈。
  7. Abstract : according to the continuative condition of the tangential fields on the slot aperture which is the inclined narrow - slot on the broadwall of a sectoral waveguide, the moment method is used to calculate the magnetic current coefficient and distribution. then the scattering field, the scattering parameter and the equivalent impedance are obtained. leting only the te11 dominant mode propagates in the waveguide, the scattering parameters and the normalized equivalent series impedance in the x - band are computed. the basis disigned the slot antenna and the slot array is offered

    文摘:根據縫隙口面切向場的連續條件，採用解析數值法矩量法，對扇面波導寬壁上窄的斜縫進行了計算，解得了磁流系數及其分佈，並得到散射場、等效散射參量及等效阻抗等重要參數.假定波導中僅有te11主模傳輸，在x波段計算了散射參量和歸一化等效串聯阻抗，給出計算結果，為縫隙天線和縫隙陣列設計提供了依據
  8. On the base of above it, this paper discuss the synthesis of optimum distributed arrays by nonuniform spacing in the sense of dolph - chebyshev. having derived the equations of optimum element distribution, we analyze the exponentially spaced array, which are optimum when the elements are isotropic and equally weighted, and the array by general raised cosine function. the formulate for estimating the sidelobe envelope, beamwidth of the array pattern and clean region width are obtained

    推導了最佳陣元分佈方程，分別對陣元無方向性和等加權時的最佳分散式陣列? ?指數間隔陣列和採用廣義升餘弦加權的最佳分散式陣列進行了分析，推導了天線方向圖旁瓣包絡、波束寬度，干凈掃描區寬度的估計公式，給出了近軸旁瓣電平與陣列參數的關系。
  9. 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
  10. 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
  11. 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。
  12. Thus, space - charge field in excitated photoconductor can intensity influence not only the shape of photo - electric current of pcss ' s, but also the terahertz out put of photoconducting antenna. in this paper, the forming and movement of space - charge field are simulated by means of fdtd method

    觸發條件下光電導體內部電場不僅顯著的影響光電導開關產生超快電脈沖的功率、波形，而且對thz偶極天線的輻射功率也有明顯的影響。
  13. So, in this paper, a new feeding method is proposed. it is a combination of aperture coupling from a slotted waveguide and coplanar feeding using series - fed microstrip line

    因此，在本文中提出一種對微帶貼片天線陣饋電的新方法，它是由波導縫隙的口徑耦合饋電和微帶線串饋的平面饋電共同完成的。
  14. If we tracked satellite by the tradition narrow beam antenna, that should caused the jumping tracking between multi - aircraft. that is difficult to achieve by the immense antenna boot and the follow - up system. using digital beam forming realize aircraft target tracking and controlling should be best means to resolve this problem

    隨著我國多星測控系統的發展，在一個測控站作用范圍內將出現多星，同時要求地面站對多星同時進行跟蹤測控；如果採用傳統的窄波束天線對目標進行跟蹤測控，必然導致天線在多個飛行器之間進行跳動跟蹤，這對于龐大的天線引導、伺服系統來說難以實現，採用數字波束對飛行器目標進行跟蹤測控是解決此問題的最好方法。
  15. The spot responder system which is the necessary part of ctcs is analyzed in the dissertation and three key technologies of the channel in the responder system are researched. firstly, a new kind of rectangular plate magnetic inductive loop antenna is designed to transmit the power frequency. researching the near field inter - inductive characters, the relationship among the inductive efficiency, the perimeter and the conductor width of the antenna is found out

    本文在對ctcs中的點式應答器系統原理及組成進行分析和消化的基礎上，對系統中通道的幾個關鍵技術進行了詳盡的研究，主要分為三個方面: 1 ，提出並研製了新型的片式環形磁感應天線，並對傳輸能量載波的天線的近場互感特性進行了分析，得到互感效率隨天線的周長大小以及導帶寬度的變化規律，並通過計算機模擬和試驗對天線的近場波瓣圖進行了研究;通過分析寬帶匹配技術中的實頻法理論，設計了信號載波天線的寬帶匹配網路。
  16. The paper analyzed an s - band single ridged waveguide antenna used for near field measure by fdtd method and microwave transmition line theory

    本文採用fdtd方法以及微波傳輸線理論對一個用於近場測量、工作在s波段的單脊波導天線進行了分析。
  17. But ridged waveguide antenna which is small in volume when working at a low frequency band can obtain a high resolution and is suitable in the rubber material measure. one of the features of the paper is that some improvements of fdtd are presented

    脊波導天線與普通金屬波導相比，在較低的頻域可以有較小的工作尺寸，因而能達到較高的解析度，且便於與同軸饋線連接，很適合用於橡膠吸收材料的測量中。
  18. Reference [ 1 ] has used the fdtd to solve some ridged waveguide and waveguide antenna to obtain the inside field. the feature of the paper is to analyze the antenna ' s near field in the rubber absorbing materials

    文獻[ 1 ]等已對一些脊波導進行過fdtd的數值解以求得到脊波導的內場，本文的特點在於分析了s波段的脊波導天線在被測量的橡膠吸收材料中的輻射近場。
  19. And waveguide has a too large structure to satisfy the requirement when working at a low frequency band

    而波導天線傳感器在衰減較小的低頻區尺寸太大也達不到要求。
  20. Research and development efforts have been underway for several years to explore a novel antenna concept that can directly accept microwave energy in an azimuthally symmetric mode, with a boresight peak

    本文從理論推導、數值模擬等方面研究了后兩類天線，即可以直接輻射軸對稱模式高功率微波的天線- vlasov天線和cobra天線。
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