相對傳輸電平 的英文怎麼說

中文拼音 [xiāngduìzhuànshūdiànpíng]
相對傳輸電平 英文
relative transmission level
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 傳 : 傳名詞1 （解釋經文的著作） commentaries on classics 2 （傳記） biography 3 （敘述歷史故事的作品）...
  • 輸 : Ⅰ動詞1 （運輸; 運送） transport; convey 2 [書面語] （捐獻） contribute money; donate 3 （失敗） l...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 平 : Ⅰ形容詞1 （沒有高低凹凸 不頃斜） flat; level; even; smooth 2 （高度相同; 不相上下） on the same l...
  • 相對 : 1. （面對面） opposite; face to face 2. （非絕對的） relative 3. （比較的） relatively; comparatively
  • 輸電 : transmission; transmit electricity輸電導線 transmission conductor; 輸電量 transmission capacity; ...
  1. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式（ 16qam和4 - qpsk ）進行了模擬工作並給出了模擬結果，同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試；然後在基於軟體無線電思想的數字處理平臺（該數字處理平臺實現了中頻數字化）上用dsp軟體完成了載波的相位跟蹤。
  2. A relatively security, reliable virtual private network _ and implementary plan was designed to meet the demands of data traffic, security of information transmission, transmission of video frequency, ip telephone, oa of companies. the design applied vpn and realized data increment service, for example, transimission of video frequency, ip telephone and oa and so on. these projects gained good economic and social utility for si chuan unicom

    論文依據四川某集團公司對網路數據通信、網路信息傳輸安全、視頻傳輸、 ip電話、集團公司oa的需求，具體設計了一個相對安全、可靠的虛擬專用網建設和實施方案，依據此方案在集團公司實施了vpn ，又在該vpn網路平臺上實現了相關的數據增值業務，如：視頻傳輸、 ip電話及集團公司oa等。
  3. With promulgation and obliging actualization of iec 1000 - 3 - 2 etc. international standards, power factor correction ( pfc ) technique become a hotspot of research in power electronics field. based on average current mode, the paper introduce the design and implementation of a fully digital controlled single - phase boost power factor corrector with fast response. the control - loop circuit is realized using digital control and the corrector can tend to unity power factor, lower current harmonics and high transfer efficiency

    本文在平均電流模式控制的有源功率因數校正技術的基礎上，設計了一種控制電路基於數字信號處理器（ dsp ） 、主電路採用boost變換器拓撲結構的全數字單相功率因數校正器，用數字電路代替傳統的模擬電路來實現對整個迴路的控制，最終使得校正器具有輸入功率因數接近於1 、低電流諧波以及高轉換效率的特性。
  4. In 6. 635, topics covered include : special relativity, electrodynamics of moving media, waves in dispersive media, microstrip integrated circuits, quantum optics, remote sensing, radiative transfer theory, scattering by rough surfaces, effective permittivities, random media, green ' s functions for planarly layered media, integral equations in electromagnetics, method of moments, time domain method of moments, em waves in periodic structures : photonic crystals and negative refraction

    本課程所覆蓋的論題包括：狹義相對論、運動媒質的電動力學、色散媒質中的波、微帶集成電路、量子光學、遙感、輻射傳輸理論、粗糙表面上的散射、有效介電系數、隨機媒質、平面層狀媒質的格林函數、電磁學中的積分方程、矩量法、時域矩量法、周期結構中的電磁波：光子晶體和負折射率。
  5. In the eme model, the electron energy balance equation is taken into account and the transport coefficients are assumed to be the functions of the electron mean energy. in this paper, a software is programmed to simulate the discharge process of plasma display cell of coplanar - electrode type, the matrix - electrode type and the novel shadow - mask pdp according to the gas discharge mechanism and fluid simulation theory. the simulation results show that both lfa model and eme model can be used to investigate the discharge characteristics of the cell, but the eme model is preferred for its better coincidence with theories and experiments

    在本文中，分別使用本地場近似的lfa （ localfieldapproximation ）流體模型和假設碰撞反應系數、傳輸系數和電子的平均能量相關的eme （ electronmeanenergy ）流體模型對pdp放電過程進行模擬，比較分析模擬結果，得出eme模型和lfa模型對放電的繁流、起輝放電、熄滅等過程的描述的基本趨向是大致相同的，而從模擬工作電壓與實際電壓的接近程度和放電效率角度比較， eme模型的模擬結果跟理論和實驗結果更為相符。
  6. The push - pull tl converter can be deduced by using the basic tl topology derivation and by special derivation only used in this topology, in which, the voltage stress of each switches is input voltage

    應用三電平拓撲的基本變換方法，經過對該拓撲結構的特殊變換，得到了推挽三電平直流變換器的拓撲，其開關管的電壓應力為輸入電壓，與傳統推挽直流變換器相比，電壓應力降低了一半。
  7. In this paper, firstly, monolithic materials cosb3 and bi2te3 were prepared by sparkle plasma sintering ( sps ) respectively, and at the same time the microstructure of cosb3 and bi2te3 were studied by sem ; the seebeck coefficients and electrical conductivities of monolithic materials were measured by standard - four - probe method ( ulvac zem - 700 ) in a he atmosphere simultaneously, and their thermal conductivities were investigated by laser flash method ( tc - 7000 ) in vacuum. secondly, the junction temperature of graded bi2te3 / cosb3 thermoelectric materials was optimized based on the thermoelectric transport properties of monolithic materials, also when graded materials were used in the temperature difference ranging from 300k to 800k, the length ratio of monolithic materials cosb3 and bi2te3 were optimized in theory. thirdly, graded bi2te3 / cosb3 thermoelectric materials were prepared by two - step sps sintering, and the relationship between its average seebeck coefficients and temperature were calculated by theory mo del

    均質材料cosb _ 3和bi _ 2te _ 3的電導率和seebeck系數採用標準四端子法于he氣氛下在zem - 1上同時進行測量；熱導率採用激光微擾法（ tc - 7000 ）于真空狀態下進行測量；其次，在對均質材料cosb _ 3和bi _ 2te _ 3熱電傳輸特性研究的基礎上，對結構梯度bi _ 2te _ 3 cosb _ 3熱電材料的界面溫度進行了優化；為了使結構梯度bi _ 2te _ 3 cosb _ 3熱電材料在300k至800k的溫度范圍內具有最佳的熱電性能，本研究同時對梯度結構熱電材料當中均質材料cosb _ 3和bi _ 2te _ 3材料的長度進行了優化設計；第三，通過兩步放電等離子燒結的方法制備出了結構梯度bi _ 2te _ 3 cosb _ 3熱電材料；採用理論計算的方法研究了梯度結構熱電材料平均seebeck系數和溫度的關系；同時為了驗證設計的結果，本論文對結構梯度bi _ 2te _ 3 cosb _ 3熱電材料的開路輸出電壓和熱端溫度之間的關系及梯度材料在300k至800k的溫度范圍內使用時的功率輸出進行了相應的研究。
  8. Finally, how the pwm - fcl contributes to the system stability, three - phase load unsymmetry and the transmission capacity is discussed. and how to decide a reasonable compensation rate of the pwm - fcl is also proposed

    最後討論了pwm - fcl對系統穩定、三相負荷不平衡的作用以及它對輸電線路功率傳送能力的影響，並說明在設置其補償度時所應該考慮的問題。
  9. A kind of multilayer forward neural network based on improved genetic algorithm is applied to build the inverse kinematics model of manipulator, aim at the model, each operator and coding plan of the improved algorithm are discussed in detail, because the first joint of the robot is not rotational, for to unify to the fitness function, the relation model between every joint of the robot and corresponding electromotor rotational angle which is regarded as output sample neural network is build

    為此，我們提出應用基於改進的遺傳演算法的神經網路來建立機器人運動學逆問題模型，針對該模型，詳細討論了改進后的遺傳演算法的各個運算元以及編碼方案，並針對該機器人第一關節是平動關節，建立了該機器人各關節與相應驅動電機轉角之間的關系模型，將各關節驅動電機的轉角做為神經網路訓練樣本對的輸出樣本，為統一到適應度函數的公式中做了必要的準備。
  10. The microstructure and conductive property of the two kind of iii 2002. 6 nanofilms were studied by spm. for the multihole network film, the current in the hole was small. it is possibly because the grains in the holes was very isolated, so the electrons in the holes had more resistance

    對于多孔tio2薄膜，相應的電流像表示孔外平坦區域通過較大的電流，孔內電流較小，這可能是由於孔內顆粒比較孤立，電子在傳輸過程中受到較大的阻力。
  11. This converter operates as a bidirectional converter and transfers energy between its two sides by charging the midpoint capacitors to a known constant dc voltage level

    多電平矩陣變換器的能量傳遞，是通過三相輸入電壓對中點電容充電到一個恆定直流電壓而實現的。
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