波導計 的英文怎麼說

中文拼音 [dǎo]
波導計 英文
waveguide meter
  • : 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...
  • : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • 波導 : [物理學] (用在微波波段傳輸電磁波的裝置) waveguide; duct
  1. The characteristics of various solid - state power - combining techniques and the principles of the waveguide - based power combining structure are compared and analyzed in detail. the power combiner is based on a double antipodal finline - to - microstrip transition structure. the proposed 2 2 combining structure is optimized by using 3 - d fields simulation tools cst

    主要內容為: 1 .研究和對比了各種固態功率合成技術的特點,詳細地分析了基空間功率合成器的工作原理,提出了一種基於雙對極鰭線-微帶過渡的2 2路毫米功率合成器結構,藉助三維場模擬軟體cst對該無源網路進行了優化設
  2. The convergent properties of the multimode method are discussed. finally a diplexer employing h - plane t - junction and preassigned e - plane metal - insert branching filters is given. and the scattering parameters of the un - optimized diplexer were obtained by the computer program

    在論文的最後部分設了兩個e面金屬插片濾器,並把它們作為通道濾器和h面t形結組成雙工器,用矩形雙工器的分析程序對它進行了分析,給出了分析結果。
  3. Numerical calculations have been made for wave-guides with a core of rectangular cross-section embedded in a uniform surround of lower refractive index.

    對于掩埋在較低折射率的均勻介質中的距形截面芯子的曾作過數值算。
  4. A conventional edg design is based on the rowland circle on which the end points of the input and output waveguides located

    原有edg採用rowland圓設,輸入輸出在圓弧曲線上由條形引出。
  5. So, one can conveniently design a high performance sinuous feed rapidly following the steps in this paper

    因此,根據文中步驟可以快速、方便地設出性能優越的線。
  6. Two kinds of filters are presented : by transferring the conventional waveguide cavity filter to the siw, a narrow bandstop filter is designed and simulated, get characteristic of narrow - band bandstop filtering. for example, relative bandwidth 1. 2 %, most attenuation of 48db in band. electromagnetic bandgap ( ebg ) structures present “ forbidden band ” characteristics, siw features high - pass characteristics, so bandpass filters can be composed by combing ebg and siw

    本論文提出了兩種基片集成器結構:將傳統的腔體濾器概念運用於基片集成結構,設出了一種窄帶帶阻濾器,對其進行模擬,得到了窄帶帶阻濾特性,如相對帶寬為1 . 2 % ,最大衰減為48db 。
  7. The computational method of integration for solid angle on cross section of the elliptic waveguide

    橢圓形管中對空間立體角積分的算方法
  8. While simulating the resonant circuits, we finished a microstrip resonance, which has high q - factor and fits to design w - band low phase noise oscillators. select beam lead hyperabrupt junction varactor and gunn die made in china as vco ’ s frequency turning component and minus resistance

    此外,文中還對w頻段微帶結構直流偏置網路、微帶過渡等外圍電路進行了模擬優化,設方法和結論對毫米微帶電路設具有通用的參考價值。
  9. The former is calculated by mom. special attention is paid to the evaluation of the admittance matrix elements, which involve the internal and external mutual coupling. the latter is solved using po

    矩量法用於縫隙陣列的模式項散射的算,著重分析了包含外部耦合和內部耦合的矩陣元素的求值。
  10. 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,對扇面寬壁上窄的斜縫進行了算,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.假定中僅有te11主模傳輸,在x算了散射參量和歸一化等效串聯阻抗,給出算結果,為縫隙天線和縫隙陣列設提供了依據
  11. The trained neural network model can be used to solve a variety of problems emerged in rf / microwave circuit design, such as in microwave circuit cad, the established model structure can be used to characterize the nonlinear behavior of microwave circuits

    如用於微電路cad ,可用所建立的模型結構來描述這么一類微電路的非線性行為特徵;如用於微電路設,則可進行如共面、晶體管、傳輸線、濾器和放大器等的設;如用於微電路優化,則可用所建立的電路模型優化電路參數,進行阻抗匹配等。
  12. Equivalent circuit method is usually used before. this method has apparent defect, that is, the ignorance of higher order mode effect, which can greatly affect the computational accuracy. in cases that require high accuracy, this method is unusable

    以前一般採用等效電路法分析和設元器件;這種方法的缺點比較明顯,那就是對高次模的影響不加考慮,使得算精度大受影響,在較高要求的場合甚至完全不可用。
  13. The processes include the deposition of the waveguide film, the design and fabrication of the mask pattern, the lithography, the metal coating with a magnetic sputtering, the lift - off process for the metal mask, the dry deep etching by icp, the slicing of the wafer, the polishing of the cutting edge, the fiber - to - waveguide alignment and at last, the performance testing. some edg chip samples are fabricated

    對設好的集成器件,本論文設並試驗了器件的製作的全部工藝,包括薄膜的沉積,掩模的設製作,光刻,濺射金屬薄膜,剝離法製作金屬掩模,干法深刻蝕,矽片切割,端面磨拋,對準和性能測試。
  14. 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:把常用的矩形一個寬面改成圓弧形構成的稱為圓突-矩形.這種與扇面相比:電性能相當;管結構更加簡單,容易加工,便於安裝.文中給出圓突-矩形中主模場,圓曲面上縱向槽歸一化諧振電近似公式.設了c和x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比和h面方向圖,理論與實驗相吻合
  15. Finally, using the low loss 3 - db three port network as power dividing and combing network and using hmmc 5040s fabricated by agilent co. as single - way amplifiers, with the help of e - plane waveguide to microstrip transition, we have designed a two - way power combing circuit with waveguide as interface ports. in 33ghz ~ 35ghz, the measured saturated output power is about 170mw, and the combing efficiency estimated is greater 70 %

    最後,採用我們設的3 - db三埠網路作為功率分配、合成網路,以常用的微帶e面探針作為微帶-過渡結構,採用agilent公司hmmc5040作為放大單元,製作出了介面的兩路合成電路,在頻率為33 35ghz實測飽和功率達170mw ,合成效率高於70 。
  16. 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

    把矩形一個寬面外突成均勻曲面構成的新統稱為共形.利用金屬邊界條件、變分法、邊界元素法構造這種新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,推非對稱圓弧矩形曲面上窄的縱向半長縫隙的等效諧振電的近似算公式,給出算曲線.這種解雖然是近似的,但卻能解決這類共形縫隙天線的工程設
  17. The numerical and experimental results of this y - branch structure indicate that the proposed y - branch structure, without extra fabrication technologies, has a lower excess loss as compared with the conventional ones. optimal designs of the structural parameters for the multimode interference coupler are carried out. low loss and high uniformity of the multimode interference couplers are achieved when the waveguide is weakly guiding

    研究了y分支耦合器中分支頂端間距(為工藝製作方便)帶來的附加損耗,提出了低損耗新型y分支耦合器結構,並給出了相關結構參數的優化設方法,我們的理論算和實驗測試結果均表明,該新型結構可以在常規光製作工藝下提高器件的指標。
  18. The concrete forms of cfar algorithm for different clutter distributions are deduced particularly. it concludes the relationship between the detection threshold and the false alarm rate and the estimation of the clutter statistic measure, and so on

    詳細推了不同分佈下cfar演算法的具體形式,包括檢測閾值與虛警率的關系,雜量的估等內容。
  19. The total system of linearly tapered fin - fed slot antenna, which is made up of radome, lwsa and the feed structure, was optimized by commercial software ansoft hfss

    除了線性槽天線的設以外,饋電結構的設對于整個天線系統來說也是很關鍵的,鰭線和的匹配好壞也決定了整個天線系統性能。
  20. The combination of fdtd method with physical optics is also used to analyze paraboloidal reflector antenna in millimeter band. using fdtd method, we obtains precise near fields of the feed because the computing areas include all the feed structure. the current on the paraboloidal reflector can be calculated by using physical optics, and then the far field of reflector can be calculated

    在毫米拋物面天線的分析算中,把fdtd與物理光學法結合起來, fdtd用於具有精細結構的饋源及饋電一體算,得到饋源的幅度和相位方向圖,以此為依據調整饋源結構,使饋源的幅度和相位方向圖為最佳狀態。
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