瞬態性能 的英文怎麼說

中文拼音 [shùntàixìngnéng]
瞬態性能 英文
mapping
  • : Ⅰ名詞(眼珠一動; 一眨眼) wink; twinkling Ⅱ動詞(眨眼) wink
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 能名詞(姓氏) a surname
  • 瞬態 : transient; instantaneous condition; transient state
  1. Powerformer have some changes in constract with the conventional generator , subsequently it also have some new problems in order to have an economical , efficient , credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design , magnetism design , thermal design and structural design are have some new changes above all , the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first , it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances , including monolayer - slot , multilayer isometric - slot and multilayer anisometric - slot then , the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second , the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced , including stable reactance , transient and subtransient reactance specially , the saturated influence of the stable reactance is considered then , the results are analysed final , it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then , it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence

    基於上述原因,本文對powerformer的電磁參數以及定子繞組諧波磁勢進行了研究。首先是用解析法推導出powerformer定子繞組槽漏抗的計算公式,考慮了單層圓形半閉口槽、多層等半徑圓形半閉口槽和多層不等半徑圓形半閉口槽三種情況,並對powerformer樣機的定子繞組槽漏抗用解析法和有限元法進行了計算,並比較其結果;其次,簡要介紹了有限元法計算powerformer電抗參數的原理,包括穩電抗、電抗和超電抗,對穩電抗考慮飽和影響,對結果進行分析;最後,介紹定子繞組諧波磁勢對電機運行的影響並對定子繞組諧波磁勢進行了分析。然後通過對定子繞組進行不同排列來分析定子繞組諧波磁勢,看看繞組排列對諧波磁勢的影響。
  2. For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr

    本文對于微腔半導體激光器,提出站模型,夠較直觀簡潔地分析微腔半導體激光器的穩,利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論;對于電流i噪聲、自發發射壽命_ ( sp )噪聲、自發發射因子噪聲、光子壽命_ p噪聲,以及電流調制、 _ ( sp )調制、調制、 _ p調制,在小信號近似下,得到了相應的激光器的傳遞函數;在大信噪比的前提下,對激光器進行了頻域分析,分別計算了它們在不同參數下的信噪比增益,分析了其抗噪聲
  3. The apparatus, with the specialities such as miniature, automation, flexibility, and individual - computer managing has become the developing trendof the testing equipment today. based on analysis of the characteristic and the system structure of the visual instrument, the paper has studied the design idea of it, put forward the exploiting methods of the visual instrument based on the object - oriented technique, exoatiated on the technique kernel of design the visual instrument under windows environment, designed a typical visual instrument " vis - 1 signal - analyzing and wave - displaying system ", which integrates multi - function instruments such as general oscillograph and ulf oscillograph real - time signal recorder wave and frequency - pedigree analysis instrument. the system has more excellent functions and characteristics than traditional instruments

    本文研究了虛擬儀器系統的設計思想,在分析虛擬儀器系統的特點及其體系結構的基礎上,提出了基於面向對象技術的虛擬儀器系統開發方法;闡述了windows環境下實現虛擬儀器的技術要點;實現了一個典型的虛擬儀器系統「 vis ? 1信號示波分析系統」 ,該系統集普通示波器、超低頻示波器、存儲示波器、信號記錄儀、波形及頻譜分析儀等多種儀器功於一身,並具有許多傳統儀器難以達到的優越功
  4. The result of study shows the sr - qsw - buck converter adopted interleaving and magnetic integrated techniques achieves high efficiency, low volume, fast transient response, and satisfies severe performance requirements of vrm

    研究結果表明:採用磁集成技術的交錯並聯sr - qsw - buck拓撲具有效率高、體積小、響應速度快的特點,可以滿足vrm的嚴格指標要求。
  5. Skj ( jjw ) series of ac purifying regulated power supply, incorporating functions of regulation and auti - inter ference, designed and muters, xerox, video equipments, medical instrmments and other electr onicinstrmmerts and autocontrol systems for is wide vange of regulating, high precicion, quickacting, high effciency, small itcan restrain restrain sharp voltageand protect from moise of electric power net

    系列進精密凈化電源是當今國際上普遍採用的現代電源調節技術,配以大容量濾波器與集成化控制系統構成;它具有如下特點:可靠好、效率高、優良的動(,體積小、重量輕、噪音低、負載適應力強;適用於對電源要求較高的儀器或設備。
  6. Since the departing process of fire work departing installation is a highly nonlinear transient dynamic process, it relates to many speciality field, and the characteristic of the material is very complex under the highly rate and highly pressure distortion, the design methods and the design formulae by experience which has been used for a long time are very limited, the facter which truly affect the departing process of fire work departing installation cannot been reflected in the design calculation, the structure modelling and optimization of the fire work departing installation is cannot been carried out by the traditional optimization method

    由於火工分離裝置的分離解鎖過程是一個高度非線動力過程,涉及多個學科和專業領域,而且材料在高速高壓條件下十分復雜,長期以來所沿用的經驗設計方法和設計經驗公式的局限很大,對火工分離裝置分離解鎖過程一些實際有影響的因素不定量地反映到設計計算中來,採用傳統優化方法無法實現火工分離裝置的結構優化建模和計算。
  7. First, we give a brief review of instanton theory of 1 + 1 dimension. then we obtain the instantons in 4 - field model of 2 + 1 dimension

    文章首先回顧了1 + 1維~ 4和sine - gordon場方程靜子的相關理論,討論了靜子的量密度、及其穩定
  8. The improvement to internal ballistic calculation precision of solid rocket motor ( srm ) is important to capture target of missile. and to accomplish it ' s task. calculation of burning surface of propellant grain is essential to interinal ballistic performance calculation

    提高固體火箭發動機內彈道的計算精度對導彈準確捕獲目標、完成任務有著重要的作用,而發動機工作時燃面計算是內彈道計算的基礎。
  9. The primary of linear induction motor which drives the metro is installed on the chassis bogie, and because it is quite strict with laying down railway rail to use flat linear induction motor to drive metro, its secondary - - - - reaction board ( called induction board ), which is a kind of compound board of aluminum and steel, is fixed on the rail sleeper between the track. it is the airgap which is a gap between the primary and secondary of lim. the electromagnetic airgap is a very important parameter of lim

    利用有限元法對直線感應電動機二維非線渦流場進行了數值計算,並在此基礎上,運用電磁場有限元分析的專用軟體ansoftmaxwell2d對單邊型直線感應電動機的進行了模擬分析,得到電機運行過程中的電磁推力、法向力、初級電流、氣隙磁密等曲線,通過改變直線電機參數,分析了電機氣隙對其瞬態性能的影響。
  10. Since polymer light - emitting diodes ( pleds ) were invented, much efforts have been made to improve the brightness and efficiency of its electroluminescence for realizing pled commercial application. we investigated several factors influencing the brightness, efficiency and spectrum characteristics of pleds el, especially focused our attention on the processes of carrier injection, transport, recombination and annihilation factors influencing brightness efficiency of organic electroluminescence ( oel ) in doped single and double - layer pleds

    本文以提高聚合物器件的效率和亮度為目標,提出了提高及b幾種方案,研究了材料質,器件結構,它們的穩及發光機理,特別關注了以兼具電子空穴傳輸力的分子及摻雜聚合物作成的單雙層摻雜聚合物發光器件中的載流子注入、遷移、復合及湮滅等。
  11. On the aspect of the dynamic character, the electrocircuit model of the motor is being realized on the pspice environment. the transient character of the pmlsm under the sinusoidal power is reached using the pspice model at circuit level, the results are compared with those using time - stepping fem

    從電機的動方面:建立了電機的pspice模型,在pspice環境下對電機進行正弦波驅動下的模擬,並與以電磁場分析為基礎的時步有限元電機的動模擬分析進行了比較。
  12. Carryed out genetic algorithm to optimize this system to solve these two problems, and realized perfect smooth curve, instant reaction, stable function and robust function in transforming control

    並採取遺傳演算法對直流伺服線定常系統進行優化處理,從而很好地解決了這兩個問題,實現了控制傳遞中有極好的平滑曲線,時響應,穩以及魯棒
  13. Based on a cone - shaped compound heatshield, a series of research work has been done from the investigation of theoretical analyses of ablative and insulating principles and technical experiments. 1 based on the exploration of improving material performances, a feasible scheme of adding insulating functional layer is proposed ; 2 a simplified calculation method is proposed via establishing fea ( fmite element analysis ) and instantaneous heat transmission is calculated with the mentioned method ; 3 a practical engineering scheme is proposed through a series of experiments ; 4 the interface problems of the function layer are solved through co - curing method and successful samples are manufactured ; 5 in order to estimate properties, the heatshield was anatomized engineering applied possibility is explored on the analyses of performance evaluation by testing mechanical properties, coefficient of heat conductivity and doing dynamic ablative experiments, also, the comparison with that of the required materials is done

    本文以一錐形復合防熱套為研究對象,從燒蝕、隔熱機理的理論分析和工藝試驗兩方面,進行了一下研究工作: 1 、通過對提高材料及製品通過對提高材料及製品隔熱的多種途徑進行探討,提出了採用添加隔熱功層,研究復合型大面積防熱套是理論有效、工藝可行的方案; 2 、通過建立有限元分析模型,對防熱套的燒蝕隔熱行為進行了理論分析,提出了簡化的隔熱計算方法,並用該方法對復合型防熱套的傳熱模型進行了分析計算; 3 、通過復合型防熱套的工藝探索試驗,提出了一種工程應用上切實可行的工藝方案。
  14. Dynamic performance measurement technique of transient high temperature sensor

    高溫傳感器動測試技術研究
  15. This paper establishes the linear model of hydro - turbine and deducts its transfer coefficients. then the optimized operation parameters are gained in the frequency disturbance and load rejection simulation. through comparing dynamically, this paper analyses the impact on its dynamic performance if some governing system parameter changes

    在研究小波動情形時,即系統在穩定工作工況點附近小變時,可以把非線系統進行線化處理;本文建立了水輪機調節系統的線化模型,推導了其中的傳遞系數;對水輪機調節系統的頻率擾動和機組突甩負荷工況進行了模擬試驗,整定了最佳調節參數;通過動比較,分析了調節系統參數改變對其動的影響。
  16. Instrument transformers - part 6 : requirements for protective current transformers for transient performance

    儀表用變壓器.第6部分:瞬態性能保護電流變壓器要求
  17. The analysis results indicate that the transient performance of pump during starting period decreases evidently under cavitation condition ; cavitation performance of the pump has close relationship with flowrate, rotational speed and impeller parameters

    分析結果表明,啟動過程中的汽蝕現象使混流泵瞬態性能迅速下降,汽蝕與流量、轉速、葉輪參數等有密切關系。
  18. The main works of this paper are followed : analysing the sampled data for measuring steady - state parameters and transient parameters and the quality of aepss which are described in mil - std - 704c and hb6448 - 90. developing the software of the system for mearsuring aepss by means of software engineering

    論文的主要工作:根據飛機供電系統參數的測試標準mil ? std ? 704c和飛機供電系統參數的數字式測試方法hb6448 - 90 ,系統地研究了飛機供電系統中穩瞬態性能參數的特以及供電品質測試的理論和方法,並且運用軟體工程的方法設計飛機供電參數測試系統的軟體。
  19. The same conclusion as derived from the original pda under approximate condition is concluded this way without any approximations. the second method is the instant - state performance prediction based on the hyca method. this method not only gives the off - line recursive error variance relation, but also gets a series of performance measurement such as track life

    然後應用兩種方法對其進行估計和預測,一是基於riccati方程的穩估計,其結果與pda演算法近似條件下得出的結論相同;二是基於hyca方法的瞬態性能預測,不僅給出了誤差方差的離線遞推關系,而且得到了航跡壽命等一系列指標的估計值。
  20. In order to get good dynamic as well as static performance, multiple - loop control strategy with the instantaneous outer voltage loop and inner current loop is used in pfc converter based on dsp tms320lf2407a

    內環通過時值控制獲得快速的動,保證輸出畸變率較低,外環使用輸出電壓的時值控制,具有較高的輸出精度。
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