柵流特性 的英文怎麼說

中文拼音 [zhàliúxìng]
柵流特性 英文
grid-current characteristic
  • : 柵名詞(柵欄) railings; paling; palisade; bars
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
  1. The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward

    介紹了限制寬帶放大器頻帶寬度的因素,通過分析mosfet的本徵參數、寄生參數對頻率的影響,提出了採用短溝器件、使mosfet工作在飽和區、抬高源電壓等提高mosfet徵頻率的方法;分析了不同電路組態對放大器頻率的影響、節點電壓對電壓模電路、電模電路頻率的不同影響,根據應用於雙極晶體管電路的跨導線原理,提出了採用mosfet構成的電模放大電路、電傳輸電路、輸出電路以及由它們所組成的寬帶放大器,獲得了良好的頻率響應。
  2. Understanding the three - dimensional nature of these flows and understanding the interactions between the ejected coolant and the endwall flow are the key to a successful endwall film - cooling design. results from this investigation enhance this understanding

    揭示場的三維以及噴射的冷空氣與端壁附近的外場相互作用規律是渦輪葉端壁氣膜冷卻設計成功的關鍵,本文的研究成果增加了對此規律的更深入了解。
  3. These problems boost the study of high - k materials as the alternatives of sio2 gate dielectrics. among all high - k gate dielectric materials, hafnium oxide ( hfo2 ) is being extensively investigated as one of the most promising candidate materials due to its superior thermal stability with poly - si, biggish constant and reasonable band alignment. our researches focus on hfo2 dielectrics

    高k介質材料已經被廣泛地研究來替代sio _ 2 ,以降低泄漏電和改善可靠,其中, hfo _ 2由於其較大的介電常數、較大的禁帶寬度、與si的導帶和價帶較大的偏置、以及與si的高的熱力學穩定徵,被認為是最有希望的替代sio _ 2的介質材料之一。
  4. Based on the hydrodynamic energy transport model, the influence of variation of negative junction depth caused by concave depth on the characteristics of deep - sub - micron pmosfet has been studied. the results are explained by the interior physical mechanism and compared with that caused by the source / drain depth. research results indicate that with the increase of negative junction depth ( due to the increase of groove depth ), the threshold voltage increases, the sub - threshold characteristics and the drain current driving capability degrade, and the hot carrier immunity becomes better in deep - sub - micron pmosfet. the short - channel - effect suppression and hot - carrier - effect immunity are better, while the degradation of drain current driving ability is smaller than those with the increase of depth of negative junction caused by source / drain junction shallow. so the variation of concave depth is of great advantage to improve the characteristics of grooved - gate mosfet

    基於能量輸運模型對由凹槽深度改變引起的負結深的變化對深亞微米槽pmosfet能的影響進行了分析,對所得結果從器件內部物理機制上進行了討論,最後與由漏源結深變化導致的負結深的改變對器件的影響進行了對比.研究結果表明隨著負結深(凹槽深度)的增大,槽器件的閾值電壓升高,亞閾斜率退化,漏極驅動能力減弱,器件短溝道效應的抑制更為有效,抗熱載能的提高較大,且器件的漏極驅動能力的退化要比改變結深小.因此,改變槽深加大負結深更有利於器件能的提高
  5. Numerical simulation of 3d flow in a turbine cascade at large incidence

    透平葉大攻角的三維數值模擬
  6. Numerical analysis of the behavior of two - dimensional separation flow of a turbine last stage rotor cascade at large negative incidence

    大負攻角下汽輪機末級動葉二維分離的數值分析
  7. In this paper, the theory of negatively charged surface states is used to investigate dynamic breakdown characteristics and the increase of gate - drain breakdown voltage as well as the reduction of saturated drain - source current after sulfur passivation. the measure which can improve the stability of sulfur passivation is proposed

    本論文通過對gaasmesfet擊穿機理和硫鈍化機理的研究,用負電荷表面態理論,解釋了gaasmesfet動態擊穿及硫鈍化后漏擊穿電壓增大、源漏飽和電減小的機理,提出了改善硫鈍化穩定的措施。
  8. Secondly, the transient characteristics of fn tunneling and hot hole ( hh ) stress induced leakage current ( silc ) in ultra - thin gate oxide are investigated respectively in this dissertation

    其次,本文分別研究了fn隧穿應力和熱空穴( hh )應力導致的超薄氧化層漏電瞬態
  9. Hot - carrier induced oxide breakdown shows different characteristics compared with that induced by conventional fn stress

    與通常的fn應力實驗相比較,熱載子導致的超薄氧化層擊穿顯示了不同的擊穿
  10. Based on the hydrodynamics energy transport model, the degradation induced by donor interface state is analyzed for deep - sub - micron grooved - gate and conventional planar pmosfet with different channel doping density. the simulation results indicate that the degradation induced by the same interface state density in grooved - gate pmosfet is larger than that in planar pmosfet, and for both devices of different structure, the impact of n type accepted interface state on device performance is far larger than that of p type. it also manifests that the degradation is different for the device with different channel doping density. the shift of drain current induced by same interface states density increases with the increase of channel do - ping density

    基於體動力學能量輸運模型,對溝道雜質濃度不同的深亞微米槽和平面pmosfet中施主型界面態引起的器件的退化進行了研究.研究結果表明同樣濃度的界面態密度在槽器件中引起的器件的漂移遠大於平面器件,且電子施主界面態密度對器件的影響遠大於空穴界面態.別是溝道雜質濃度不同,界面態引起的器件的退化不同.溝道摻雜濃度提高,同樣的界面態密度造成的漏極漂移增大
  11. The la2o3 material was paid attention because of its good gate dielectric properties, but there are a lot of properties are under research, the most important property is thermal stability. to improve the situation the author has made the following research and achieved beneficial results

    La _ 2o _ 3是一種新型的高介電常數的介材料,它的優良能引起了微電子界的注意,但它的很多還有待于研究,其中最重要的是它的熱穩定和隧道電
  12. Numerical simulation of the development of the secondary flow vortices and aerodynamic characteristics of a turbine rotor cascade

    透平動葉二次渦系演變及氣動的數值模擬
  13. After structure design aimed to high transconductance, parameters of device structure are modified in detail. the simulation results of soi nmos with strained si channel show great enhancements in drain current, effective mobility ( 74 % ) and transconductance ( 50 % ) beyond conventional bulk si soi nmosfet. the strained - soi nmosfet fabrication process is proposed with lt - si ( low temperature - si ) technology for relaxed sige layer and simox technology for buried oxide

    其次,根據器件參量對閾值電壓和輸出的影響,以提高器件的跨導和電驅動能力為目的設計了strained - soimosfet器件結構,詳細分析極類型和氧化層厚度、應變硅層厚度、 ge組分、埋氧層深度和厚度以及摻雜濃度的取值,對器件進行優化設計。
  14. This dissertation has on the research and design of a micro turbine engine as background and it is for the purpose of comprehending viscous flow behaviors in micro scaled conditions and that in the mini - turbine cascades. a mini wind tunnel is designed and set up which also can be used in other micro flow experiments. on the basis of this mini wind tunnel, three mini flow experiments, including micro jet experiment, micro boundary layer experiment and mini - turbine cascades experiment, have been carried out

    本文以某型微型渦輪噴氣發動機研製為背景,以認識微尺度下粘動狀態及其機理和微渦輪葉通道內部為目的,設計並搭建了除本實驗外還可供其他體力學實驗使用的微型風洞,並在該微型風洞基礎上進行了微尺度射實驗、微尺度壁面邊界層實驗和微尺度渦輪葉實驗。
  15. Measurement of the gas - flowing properties in the air - cushion ant i - erosion cascades

    氣墊防磨葉內氣體的實驗研究
  16. In this work, based on the threshold condition of the fiber grating external cavity semiconductor laser ( fgesl ) which the phase of the fiber grating has been included, the effect of the temperature variation and the fg external cavity length on the lasing wavelength of the fgesl has been investigated theoretically. in addition, we have used the phase condition of fgesl to get the longitudinal mode distribution of fgesl, then the influence of the injected current on the output characteristics of fgesl has been studied

    基於此,本文中利用陽實際的反射相位分佈,計及半導體激光器( ld ) 、外腔及光纖光( fg )三者的共同作用,根據fgesl滿足的閩值條件,從理論上研究了溫度及外腔長度的變化對fgesl激射波長的影響;根據fgesl中縱模所滿足的相位條件得到其縱模分佈后,利用fgesl滿足的多模速率方程,研究了ld的注入電對fgesl輸出的影響。
  17. The results show that the negative bowing results in the " c " shape distribution of static pressure on blade surfaces, which is the main reason for the variation of characteristics of flowfield, however the aerodynamic performances of cascades can not be improved by negatively bowed blades

    結果表明:葉片反彎曲在葉片表面別是吸力面建立了反「 c 」形壓力分佈,它是引起葉能和場變化的主要原因,但葉片反彎曲不能改善葉的氣動能。
  18. Film cooling of the surface of a gas turbine blade was studied in a large - scale low - speed opening wind tunnel according to actual requirement of the design of aero - engine. the surface of a gas turbine blade was cooled by cylindrical holes in the experiment, with the hole number of fifteen in stator and eight in rotor

    應航空發動機設計的要求,在大尺寸低速葉傳熱風洞中分別對發動機渦輪導向葉片和動葉表面的氣膜冷卻進行了研究,具體研究在不同氣膜孔出時,在不同主雷諾數和吹風比情況下葉片表面局部換熱系數的分佈規律。
  19. Abstract : concerning the models for discribing aerodynamic stability of axial flow compressor, the original model is one - dimensional, and it is reasonable for the onset of surge only. for the onset of rotating stall, there are just some two - dimensional models at published literatures. a three - dimensional aerodynamic of compressor has been presented in this paper. an aerodynamic stability model concerning radial disturbance of compressor is presented. the calculated results show that the occurrence of radial disturbance is related to the axial velocity disturbance, which has important effect on aerodynamic stability of compressor. the position of onset of stall, in blade tip or hub, is dependent upon the characteristics of blade element. the comparisons of calculated results predicted by 2d and 3d aerodynamic stability model have also been made in this paper

    文摘:軸壓氣機的氣動穩定模型,最初為一維模型,僅適用於描述喘振發作.對于旋轉失速發作,在公開文獻中有一些二維模型發表.本文提出了一類考慮壓氣機徑向擾動對失速影響的新的氣動穩定模型.計算結果表明壓氣機的軸向擾動往往隨著徑向擾動的產生,徑向擾動的強度影響壓氣機的氣動穩定,在葉尖還是葉根首先產生失速與壓氣機基元葉密切相關.本文對軸壓氣機二維和三維氣動穩定模型的計算結果進行了對比分析
  20. Concerning the models for discribing aerodynamic stability of axial flow compressor, the original model is one - dimensional, and it is reasonable for the onset of surge only. for the onset of rotating stall, there are just some two - dimensional models at published literatures. a three - dimensional aerodynamic of compressor has been presented in this paper. an aerodynamic stability model concerning radial disturbance of compressor is presented. the calculated results show that the occurrence of radial disturbance is related to the axial velocity disturbance, which has important effect on aerodynamic stability of compressor. the position of onset of stall, in blade tip or hub, is dependent upon the characteristics of blade element. the comparisons of calculated results predicted by 2d and 3d aerodynamic stability model have also been made in this paper

    壓氣機的氣動穩定模型,最初為一維模型,僅適用於描述喘振發作.對于旋轉失速發作,在公開文獻中有一些二維模型發表.本文提出了一類考慮壓氣機徑向擾動對失速影響的新的氣動穩定模型.計算結果表明壓氣機的軸向擾動往往隨著徑向擾動的產生,徑向擾動的強度影響壓氣機的氣動穩定,在葉尖還是葉根首先產生失速與壓氣機基元葉密切相關.本文對軸壓氣機二維和三維氣動穩定模型的計算結果進行了對比分析
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