等值波阻抗 的英文怎麼說

中文拼音 [děngzhíbōzǔkàng]
等值波阻抗 英文
equivalent value wave impedance
  • 等 : Ⅰ量詞1 （等級） class; grade; rank 2 （種; 類） kind; sort; type Ⅱ形容詞（程度或數量上相同） equa...
  • 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...
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 抗 : Ⅰ動詞1 （抵抗; 抵擋） resist; combat; fight 2 （拒絕; 抗拒） refuse; defy 3 （對等） contend with...
  • 等值 : equivalent; equivalence
  • 阻抗 : [電學] impedance
  1. 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
  2. Finally, the method of estimating power customer emission level based on binary linear regression is put forward, which make it a condition that harmonic emission is steady at the point of common coupling. combined with power system thevenin equivalent and customer norton equivalent, according to the principle of least squares method, the voltage that a customer ' s harmonic current begets at the point of common coupling can be estimated in the light of the plural correlation of network parameters

    最後，提出了基於二元線性回歸的用戶諧波發射水平估計方法，該方法在假設公共聯接點諧波發射穩定的情況下，結合系統側戴維南等值與用戶側諾頓等值的電路圖，按照最小二乘法原理，利用電網各參數的復數關系推導關于系統側諧波阻抗的二元線性回歸方程，並根據諧波阻抗的估計值求取用戶諧波電流在公共聯四川大學碩士學位論文（ 2003 ）接點產生的電壓降。
  3. The model considers peak value of lightning current, tower grounding resistance, tower style, line surge impedance, power frequency voltage and distance between towers

    模型中考慮了雷電流幅值、桿塔沖擊接地電阻、桿塔具體形狀、尺寸、桿塔波阻抗、工頻電壓及檔距等因素的影響。
  4. The planeness and integrality of the flier - plate were ensured effectively by exerting restrictive pressure, controlling heating and cooling rate, lowering welding temperature or reducing welding time as much as possible, etc. theoretical model of creating quasi - isentropic compression via 93w - ofc - tc4 - a1 - mb2 system flier - plate with graded wave impedance was established, and numerical simulation of the impact process was then carried out

    採取施加外部機械力、控制升降溫速率以及盡量降低焊接溫度或減少焊接時間（防止脆性金屬間化合物的過度增長）等措施，確保了焊接接頭的平整性和界面結構的完整性。建立起梯度飛片擊靶的理論模型，對93w - ofc - tc _ 4 - al - mb _ 2系波阻抗梯度飛片的擊靶過程進行了數值模擬計算。
  5. This effects can be explained as follows : the radiation conditions are actually impedance matching condition in terms of microwave network, for a fixed dimension of a resonator and output transformer, only below the critical plasma density ", the matching condition can be satisfied in the smith circle map

    我們提出，這一現象可從阻抗匹配的角度來解釋。對於一確定尺寸的腔體、阻抗變換器，存在一個等離子體密度的臨界值，只有在等離子體密度低於這個臨界值時，腔體的輸出阻抗和波導的特性阻抗才能滿足匹配，即滿足所謂的輻射條件。
  6. Equivalent value wave impedance

    等值波阻抗
  7. Flier - plate with graded wave impedance, which can be regarded as a new type of functionally graded material ( fgm ) since its wave impedance changes gradually along the thickness direction and thus can be used to generate quasi - isentropic compression energy waves in targets or drive projectiles to hypervelocities, has come to show great potential for the application in dynamic high - pressure technique

    波阻抗梯度飛片作為一類新型的功能梯度材料（ fgm ） ，因其波阻抗值沿厚度方向呈梯度變化而具有準等熵壓縮特性並能進一步用於超高速發射中，可以看作是fgm的優異特性在動高壓物理領域中的應用新拓展。
  8. For the sake of acquiring preferable quasi - isentropic compression energy waves, wave impedance distribution of the flier - plate had better be controlled between 2 and 3

    為了獲得較好的準等熵壓縮波形，梯度飛片應以波阻抗值為設計參數，而且其波阻抗分佈指數應控制在2 3之間。
  9. Firstly, object - oriented programming method and relation database technology are used to realize protective information management, with a multiple tires " client / server architecture. using it, the technical staffs can check all kinds of reports, fault waves and setting values of protection. secondly, based on protective principles of ta21 series protection devices, protective function is simulated by using object - oriented technology

    首先，本文將面向對象方法和關系數據庫技術結合起來，採用psmis的多層客戶?服務器體系結構實現對保護信息的管理，以便供電段技術人員查看保護裝置的整定值、各種報告、故障錄波（系統不僅能顯示波形，還能動態顯示波形每一點的峰值、有效值、相位，甚至阻抗值及阻抗角、諧波含量等） 。
  10. Currently, researchers from home and abroad usually use simplified models in the aseismatic analyses of immersed tunnels, which can not properly simulate the two functions of the soil, while the finite element method solves this problem successfully, and the development of numeric calculation and computer technology lays a solid basis for its application, it is a pity that the applications of fem is not common currently

    目前，國內外對沉管隧道進行抗震分析時，大多採用簡化計算模型，將土的作用以等價彈簧和阻尼器代替，不能適當模擬土既是地震波的傳播介質又是結構物的支承介質的雙重作用。動力有限元法的連續介質模型很好的解決了這一問題，數值計算理論和計算機技術的發展為該方法的應用奠定了堅實的基礎，然而，目前這方面的應用還很少。
  11. According to the radar - absorbing model, the performance of rams of various absorber - volume - percentage with various frequency and the radar obsorbing performance of which in various thickness is predicted. according to the radar - absorbing model, the prerequisites of microwave electromagnetic parameters and the border curves for a single - layer homogeneous absorbing coating backed by a perfectly conducting plate to produce zero specular reflection are obtained by the steffensen speedup approach to solve the complex transcendental equation

    以吸波模型為依據，用計算機求解了單層均勻各向同性吸波材料的阻抗匹配條件，通過數值模擬得到了吸波材料阻抗匹配時電磁參數邊界曲線的數值模擬等式和阻抗不匹配時寬帶吸波材料電磁參數的合理搭配規則和頻散特性。
  12. Flier - plate with graded wave impedance, which can be regarded as a new type of functionally graded material since its wave impedance changes quasi - continuously along the thickness " direction and thus has quasi - isentropic compressive characteristics, has come to show great potential for the application in dynamic high - pressure technique

    波阻抗梯度飛片作為一類新型的功能梯度材料，因其波阻抗值沿厚度方向呈準連續變化，而具有準等熵壓縮特性，可以看作是功能梯度材料在動高壓物理研究領域中的應用新拓展。
  13. A new similarity method in fem is presented for researching of the problems about the nonuniform and irregular region, such as micromachined microwave coplanar waveguide. by using this method, we calculate the characteristic impedances of mems waveguide and analyse the change with its different dimensions. with the use of a recurrence relation, this new method not only use much less computer ' s memory than the conventional fem, but also simplify the post - process

    對低阻硅襯底上實現v型槽mems共平面波導進行了詳細深入的研究，提出並採用混合相似剖分有限元方法對不規則結構傳輸線的特性阻抗進行數值分析，在驗證了方法的正確性基礎上，進行了大量計算，並總結了常用50 、 120等阻抗傳輸線的結構參數。
  14. By utilizing the knowledge of digital circuit and simulation circuit, the system designs the pretreatment dealing circuit of the myoelectrical signal, which has the feature of big input impedance well suppress of public module and high gains. then the signal is gathered with " zhentong " data gathering after dealing with, and the software of signal processing is explored before the myoelectric signal is analyzed. after picking up eigenvalue, it is proved that the result is unanimous basically with the data of the relevant materials ; the other is to control artificial hand by the eigenvalue of the myoelectric signa l and at last the system gets very good control results

    即利用數字電路和模擬電路等相關知識，設計了具有輸入阻抗大、共模抑制好、增益高等特點的肌電信號前置處理電路，利用「振通」數據採集儀對處理后的信號進行採集，並利用快速傅立葉變換的相關知識編寫了信號處理程序，對肌電信號進行了波形分析、幅值譜分析和功率譜分析，提取了信號特徵值，與相關資料的數據相比，基本一致；二是利用肌電信號的特徵值對肌電假手進行控制。
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