特徵阻抗 的英文怎麼說

中文拼音 [tèzhǐzǔkàng]
特徵阻抗 英文
characteristic impedance
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 徵 : 名詞[音樂] （古代五音之一 相當于簡譜的「5」） a note of the ancient chinese five tone scale corre...
  • 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...
  • 特徵 : characteristic; feature; properties; aspect; trait
  • 阻抗 : [電學] impedance
  1. The basic principle and method of 3d stochastic modeling of sedimentary microfacies are discussed according to geological and acoustic impedance data of well - logging constrained seismic inversion, and a case study according to stochastic modeling of fluvial facies reservoir of the minghuazhen formation of neocene in a certain block of bohai bay basin is used to show the general process of this research

    摘要探討了綜合應用地質及測井約束地震反演信息進行三維沈積微相隨機建模的基本原理、思路與方法， ?以渤海灣盆地某區塊新近系明化鎮組河流相儲層?例，說明這一研究過程的基本步驟，包括井眼沉積微相解釋、測井約束地震反演、波阻抗與地質相的概率關系分析、隨機模擬方法選擇、地質統計特徵分析、三維隨機建模、隨機模擬預測的多解性評價。
  2. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  3. The elements of the reduced - jacobian matrix are functions of some parameters of the system. for example, effective short ratio, power base ratio, coupling impedance and load flow of the system. for single - infeed hvdc system with a parallel ac line, computer simulations using power system analysis software package ( psasp ) were performed

    用一種簡單的方法可以求得降階雅可比矩陣，由於降階雅可比矩陣的元素都是交直流混合系統中一些參數的代數函數，如有效短路比、功率基準比、連接阻抗和系統潮流等，因此，矩陣的特徵值也與這些參數相關。
  4. Since the variational method is useful for determining characteristic quantities such as resonant frequency and impedance, it is mainly used in this thesis

    變分法在確定諸如諧振頻率和阻抗等特徵量方面非常有效，因而本文主要採用了變分法。
  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

    如用於微波電路cad ，可用所建立的模型結構來描述這么一類微波電路的非線性行為特徵；如用於微波電路設計，則可進行如共面波導、晶體管、傳輸線、濾波器和放大器等的設計；如用於微波電路優化，則可用所建立的電路模型優化電路參數，進行阻抗匹配等。
  6. For multi - infeed hvdc systems, when the minimum eigenvalue of the system becomes zero, the voltage stability graph can be plotted effective short circuit ratio as function of coupling impedance

    對于多饋入hvdc系統，在最小特徵值為零的情況下，可以根據這種關系作出有效短路比?連接阻抗圖，即電壓穩定圖。
  7. According to the characteristics of the eis change, it is an alternative mechanism that bioorganic sulphide accelerated the corrosion

    根據其後期腐蝕速度變化和阻抗譜特徵，有可能生物有機硫化物的存在加快了其腐蝕速度。
  8. By use of coupling - of - modes model, this paper computers the characteristic impedance, then puts emphasis on the feedthrough effect which affects saw performance and some advice is given

    本文就是順應軍用和民用技術需求進行的工作，通過耦合模模型求解了saw濾波器的特徵阻抗，由此重點研究了影響saw器件性能比較嚴重的電磁直通效應，並提出了改善措施。
  9. " the concept is that systemic sclerosis, which is a severe disease characterized by systemic fibrosis, is at the beginning mainly a vascular disease, and we hypothesize that using major vascular drugs ( calcium channel blockers, endothelin antagonists, prostacyclins, phosphodiesterase inhibitors, etc. ) from the beginning and at appropriate dosage may interfere with the fibrotic process which seems secondary, " dr

    「從概念上講，系統性硬化是一種以系統性的纖維化變性為特徵的嚴重疾病，早期主要表現在血管性的病變，因此我們推測早期、適量地應用主要作用於血管的藥物（如鈣離子阻斷劑，內皮素拮抗劑，前列環素，磷酸二酯酶抑制劑等）可能可以干預似乎是繼發發生的纖維化過程。 」
  10. " the concept is that systemic sclerosis, which is a seere disease characterized by systemic fibrosis, is at the beginning mainly a ascular disease, and we hypothesize that using major ascular drugs ( calcium channel blockers, endothelin antagonists, prostacyclins, phosphodiesterase inhibitors, etc. ) from the beginning and at appropriate dosage may interfere with the fibrotic process which seems secondary, " dr

    「從概念上講，系統性硬化是一種以系統性的纖維化變性為特徵的嚴重疾病，早期主要表現在血管性的病變，因此我們推測早期、適量地應用主要作用於血管的藥物（如鈣離子阻斷劑，內皮素拮抗劑，前列環素，磷酸二酯酶抑制劑等）可能可以干預似乎是繼發發生的纖維化過程。 」
  11. 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:該文從力波及速度波在波阻抗界面的平衡及連續條件，推導了力波、速度波的反射系數、透射系數表達式，進而討論在不同阻抗比時的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阻力分佈進行了分析。
  12. Eis characteristics of cu - based alloy in seawater

    銅合金在海水中電化學阻抗譜特徵研究
  13. The results of the eis examination indicated that the electrochemical reaction of the snsb alloy electrode was a typical process jointly managed by both electrochemical reaction and diffusion

    電化學阻抗分析結果表明，錫銻合金電極過程是典型的電化學和擴散共同控制的特徵。
  14. Besides, eigenvalue analysis is used in sound - impedance matrix. with the help of optimization theory, the conclusion is received that the radiation efficiences by a group of velocity distribution corresponding to eigenvector are proportional to the eigenvalue of the velocity vectors

    並對阻抗矩陣進行了特徵值分析，從理論上說明了特徵向量對應的一組速度分佈，其輻射效率正比于該階特徵向量對應的特徵值。
  15. Elements of electrical and optical connection - test methods - electrical elements - measurement of characteristic impedance of a bus or a stub terminator

    電氣和光學連接元件.試驗方法.電氣元件.總線或短線端子的特徵阻抗的測量
  16. As a result, switching configurations for rf signals are designed to minimize signal losses and maintain a characteristic impedance through the system

    因此，射頻信號的切換配置被設計為使信號損耗降至最低，並維持系統的特徵阻抗。
  17. The calculation results have shown that when the angles of the center electrode and the grounds decrease, the effective index, the characteristic impedance, and the conductor loss all decrease

    通過計算發現，隨著中間電極角度和地電極角度增加，有效折射率、特徵阻抗同時減小，導體損耗系數也隨之減小。
  18. 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波有效折射率、特徵阻抗和導體損耗的影響是不同的，在實際設計時應當綜合考慮。
  19. It has been shown by our calculations that conductor loss is greatly reduced under velocity matching with relatively thick coplanar waveguide electrodes and thick buffer layer, but the characteristic impedance can not match with that of the external circuit at the same time, and the modulation bandwidth is confined in this case

    然後，用一般的橢圓積分計算了普通共面波導型調制器的有效折射率、特徵阻抗和導體損耗系數。通過計算發現，採用厚電極和厚緩沖層結構，在實現速度匹配的情況下，可以大大減小導體損耗，但是由於阻抗不能同時滿足匹配，調制帶寬受到限制。
  20. In this dissertation, a key point of the study is to build up a mathematical model of the character impedance the swr sensor. the structure of four equal - length probes can be viewed as a special form of coaxial hansnussion line. combining the character impedance of coaxial and the para1lel transmission line, the character impedance model of probe with eqtlaling length was built up by utilizing mathemaical theory of approach

    本文將四針等長式結構的土壤水分探頭看成是同軸傳輸線的特殊形式，從標準傳輸線特徵阻抗入手，結合平行傳輸線，運用數學上常用的夾逼定理，得出了四針等長結構的土壤水分探頭特徵阻抗數學模型，由此提出swr型土壤水分四針不等長探頭的特徵阻抗數學模型。
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