波導阻抗 的英文怎麼說

中文拼音 [dǎokàng]
波導阻抗 英文
waveguide impedance
  • : 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
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : Ⅰ動詞1 (抵抗; 抵擋) resist; combat; fight 2 (拒絕; 抗拒) refuse; defy 3 (對等) contend with...
  • 波導 : [物理學] (用在微波波段傳輸電磁波的裝置) waveguide; duct
  • 阻抗 : [電學] impedance
  1. In this thesis, the author analyses the deficiency in detecting and controlling function of the computer detecting and controlling system utilized in present transforming station. the strategy of design of software on operation and direction of 5 00kv transformer station is presented. it points out that we can deduce the mathematic analytical formula using the current, voltage and power of two terminals of transmission line as input. on this basis, we do realtime calculation of 500kv transmission line ' s parameter. we can also deduce the linear analytical formula of three - winding autotransformer ' s resistence using its current, voltage and power as input. the corresponding software is programmed on this basis

    論文提出以輸電線路本端和對端電流、電壓、功率作為輸入量,出了超高壓長線的和傳播常數的數學解析式,在此基礎上進行了500kv輸電線路實時參數計算;提出以三繞組自耦變壓器的電流、電壓、功率為輸入量,出了自耦變壓器繞組的電、電的線性解析式並進而對變壓器的實時參數進行計算;在此基礎上編制了相應的軟體。
  2. The explicit method of calculating surges in throttled, simple and downriver throttled and simple surge tanks has been derived for the first time by use of thaler series expansion from the basic formulation of surge tank. 2

    根據調壓室的基本微分方程,利用泰勒級數展開方法首次推出了式、簡單式、尾水式和簡單式調壓室水位動的顯式計算公式。
  3. The theoretic calculating method of the maximum and the minimum water level in the differential surge tank has been derived firstly. also the explicit method of calculating surges in the differential surge tank has been deduced firstly by use of thaler series expansion. the calculating method of section of the well and the effective impedance hole in the surge tank has been gived

    根據差動式調壓室的基本微分方程,首次推出了差動式調壓室涌浪幅值的理論計算公式;並同樣利用泰勒級數展開方法推出了差動式調壓室水位動的顯式計算式;出了差動式調壓室大井面積和有效孔面積的計算方法。
  4. 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等重要參數.假定中僅有te11主模傳輸,在x段計算了散射參量和歸一化等效串聯,給出計算結果,為縫隙天線和縫隙陣列設計提供了依據
  5. 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;如用於微電路設計,則可進行如共面、晶體管、傳輸線、濾器和放大器等的設計;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,進行匹配等。
  6. 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發射水平估計方法,該方法在假設公共聯接點諧發射穩定的情況下,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關于系統側諧的二元線性回歸方程,並根據諧的估計值求取用戶諧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。
  7. In the end, the impedance matrix of any three - dimensional conducting object can be portioned into sub - matrices by the projection iterative method ( pim ), the surface current and rcs can be calculated with convergent iterations, the wide - band electromagnetic scattering characteristics of three - dimensional conducting objects are also analyzed with the asymptotic waveform evaluation technique

    最後應用投影迭代方法( pim )將三維體目標的矩陣剖分成小矩陣,通過迭代計算出表面電流和雷達散射截面,並與漸近形估計技術結合分析了三維體目標的寬帶電磁散射特性。
  8. The slow - wave characteristics neglecting and taking account of space harmonics ( sh ) for periodically iris - loaded confocal elliptical waveguides are analysed, and the dispersion equation and the mean coupling impedance of this structure are obtained by

    分析了周期膜片加載共焦橢圓,在考慮空間諧和不考慮空間諧兩種情況下的慢特性。應用場匹配方法得到這種結構的色散方程和平均耦合
  9. 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

    與普通矩形相比,脊具有工作頻帶寬、尺寸小、等效特性低等特點。由於脊本身的特點,使其得到了越來越多的應用,例如寬帶脊器、寬帶定向耦合器、雙工器、變頻器、移相器、脊縫隙天線陣等等。
  10. For the first time, the coaxial ridge - disk - loaded cylindrical waveguide as sws is presented. its dispersion equation and the expression of coupling impedance are given by application of the field matching method. a series of numerical results show that the influence of structure dimensions on the dispersion characteristics and interaction impendance

    三、創造性地提出脊加載同軸膜片圓結構,並對其採用嚴格的場匹配法,詳細推了色散方程和耦合表達式,並得到一系列有關系統結構參量與色散和耦合之關系的數值模擬結果。
  11. The impedance matching criterion that the sum of all the radiating slot normalized conductances is equal to 2 for the inner feed, and also the sum of all the coupling slot normalized impedances for the series - shunt inner feeder is equal to 2 are verified by using microwave network theory

    採用微網路理論,在內部饋電情況下,分別對一條輻射上輻射裂縫的歸一化納和為2的匹配設計準則,以及對串並形式饋電裝置,對耦合裂縫的歸一化和為2的匹配設計準則進行了證明。
  12. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點,解析的研究了電子束在相對論速調管放大器的調制腔和漂移管中的預群聚;用粒子互作用的場方法出了在輻射腔中預群聚電子束產生輻射的自洽方程,同時對線性區的增益進行了計算。理論分析表明,場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的諧振頻率、間隙實部和外觀品質因數等特性參數。
  13. 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,這一現象可從匹配的角度來解釋。對於一確定尺寸的腔體、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,腔體的輸出的特性才能滿足匹配,即滿足所謂的輻射條件。
  14. The dispersion characteristics and interaction impedance of the groove guide sws are analyzed theoretically in detail. by use of matlab, numerical programs are compiled to get dispersion curves and impedance diagrams. the influence of geometrical dimensions on the dispersion characteristics and interaction impedance are discussed

    三、對曲折槽結構的色散特性和耦合進行了詳細的研究,色散方程的獲得是依照曲折系統的分析方法,但耦合的計算公式是嚴格按照場論的方法得到的。
  15. 4. as an assistant analysis, cst microwave studio is applied to simulate dispersion characteristics and interaction impedance of rectangular groove guide. simulation show better agreement with theoretical results

    四、作為一種輔助的分析方法,本文還利用cstmicrowavestudio對曲折矩形槽系統的高頻特性做了模擬模擬,得到了色散曲線和耦合,與理論結果符合很好。
  16. Abstract : from the equilibrium and continuity conditions of wave impedance boundary of stress wave and velocity, wave, the paper derives the expressions of reflection coefficient and transmission coefficient of stress wave and velocity wave, further, discusses the characteristics of f - v curves at different impedance ratio, and analyzes the application of these characteristics to ascertain the defects of pile and soil resistance distribution around pile by practical engineering examples

    文摘:該文從力及速度界面的平衡及連續條件,推了力、速度的反射系數、透射系數表達式,進而討論在不同比時的f ? v曲線特徵,並引用幾個工程實例對應用這些特徵判定樁身缺陷及樁周土的力分佈進行了分析。
  17. Changing the depth of penetration of the three dowels results in the variation of the reflection coefficient ( s1 1 ) at the port 1. using matlab, we can calculate different equivalent impedance of port 1 which resulted from the variation of dowels depth. the purpose of my work strike up a relationship between the depth of dowels and equivalent impedance at port, thereby accomplish matching rapidly, simultaneously and stably

    在構建了自動匹配系統的基礎上,本文提出了一種新的快速匹配方法;此方法是將模擬軟體hfss和系統設計相結合,用hfss模擬系統中完成變換作用的銷釘匹配器,獲得銷釘插入深度變化時的埠等效特性,並將模擬得到的數據用matlab組織起來,分析銷釘插入的深度變化時埠等效特性的變化,來達到對調試變化規律的認識,快速的實現銷釘插入深度與反射系數間的統一。
  18. A new terahertz source of folded waveguide traveling - wave - tube which based on vacuum electronics is introduced, which may answer the question for scarcity of small, economical terahertz source with continuous wave of high average power. secondly, transmission characteristics of terahertz wave in the periodic slow wave circuit of folded waveguide traveling - wave - tube have been researched combined with development of micro - fabrication technology. dispersion relation and interaction impedance of the slow wave circuit are deduced by the way of equivalent circuit, and results accounted by theory are close to those simulated by software

    其次,結合計算機模擬技術對這種新型太赫茲輻射源的折疊線路傳輸特性進行研究:用等效電路法從理論上推了慢電路場、色散關系及線路耦合,電磁模擬軟體計算得出的慢電路色散曲線與理論計算所得結果基本上一致,表明這種尺寸的慢電路在太赫茲頻段有著色散曲線較平坦以及寬帶、低損耗的良好傳輸特性。
  19. Because the harmonics in tangyin substation are primarily from electric traction loads, this paper gives the structures of several main locomotive models and general harmonics they produce. the harmonics produced by electric locomotive have a characteristic that their range and phase are both dispersive. this paper also analyzes the impedance - matching balance transformer ' s structure and harmonics injected into the power system at its primary side, and sums up the characteristics of the harmonics from electric traction loads in the tangyin traction substation

    鑒于湯陰變電站的諧主要來自電力牽引負荷,本文列舉了電力機車幾種主要車型的結構以及它們產生諧的概況,得出了電力機車的各次諧電流幅值和相角具有較大分散性的特點。針對湯陰牽引變電站的牽引變壓器,分析了匹配平衡變壓器的結構及其高壓側注入電網的諧,推了有關計算公式。通過理論分析並結合湯牽線的實測諧數據,歸納了電力牽引負荷注入湯陰變電站的諧的特點。
  20. The results show that the thickness and the width of the electrode, electrode gap and the thickness of upper cladding have different effects on microwave effective index, characteristic and conductor loss. compromising structure must be adopted in practical design to gain perfect performance

    結果表明:電極的厚度和寬度、電極間距以及上包層的厚度對微有效折射率、特徵體損耗的影響是不同的,在實際設計時應當綜合考慮。
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