最佳性能參數 的英文怎麼說

中文拼音 [zuìjiāxìngnéngshēnshǔ]
最佳性能參數 英文
optimum performance parameters
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : 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
  • : 參構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 最佳 : the best; optimum
  1. The basis of dynamics and simulation includes the iterative flyout angle algorithm to the solutions to lambert problem and battin ' s universal conic section state extrapolate method. then spacecraft ' s orbit roots, maneuver impulse and maneuver time are discussed as the following four part : first of all, the chaser ' s one orbit roots is selected as a variable to simulate its influence to the large scale orbital maneuver. the research reveals fact that the orbit roots both of chaser and target should be close to each other to achieve better maneuver and rendezvous " ability, moreover, the best orbit maneuver and rendezvous occurs when both chaser and target ' s initial phase angle are equal

    為了研究了交會機動中追蹤器和目標器的軌道根、機動時限和機動耗等因素對交會機動的影響,模擬和分析分為以下四個部分:首先,研究了追蹤器軌道單個為變量情況下兩航天器大范圍交會機動問題,研究表明,追蹤器的變化量與目標器相應的量在接近的情況下可以獲得良好的交會機動特,而對于兩航天器軌道共面的情況下,初始相位角相等時則獲得的機動效果。
  2. Series of screen - bohou adopt large amplitudes, big intensity of vibrations, flexible screen surfaces, the motion parameters characteristics of adjustable amplitudes ; the unique structural features of " board of screen active, box inactive, unattached vibration of the screen surface " ; though segmented, multi - segments of screen surface jointed, large - scale of screen equipments can be realized, the advantages of large area, big handling capacity and no special requirements to the water of materials make the screen to be the best screen equipments used for the small wet materials

    簡介:博后篩系列採用大振幅、大振動強度、彈篩面、振幅可調的運動特點;及獨特的「篩板振動、篩箱不振動、各段篩面獨立振動」的結構特點;經分段、多段篩面組合,實現了篩分設備大型化,大面積、大處理力的優勢及對物料水分的無特殊要求,是潮濕細粒難篩物料的篩分設備。
  3. Recent years many researchers find that the comfortable area that under the natural ventilated environment is large than is mentioned in the standard. it is very important to find the best thermal environment which can saving more energy, and more comfortable

    否找到一個的環境組合,使其既滿足人體熱舒適要求又有利於降低供暖耗,這對于改善該地區人居熱環境、節約源、保護環境、推動人類和生態的可持續發展具有十分重要的意義。
  4. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統時變、嚴重非線、干擾因素復雜、耦合嚴重、模型不易確定的特點,提出多變量協調控制方案,解決了系統可控差,難以實現穩定自動運行的問題;在此基礎上,改變以往以煙氣含氧量控制送風的傳統模式,針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重,煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題,應用智控制理論中的模糊控制技術,結合自尋優控制的思想,設計了一種模糊自尋優控制器,應用在電站鍋爐送風控制系統上,並闡述了動靜態兩種實現途徑,通過在線優化風煤配比,實現經濟燃燒,切實保障了鍋爐的經濟運行。
  5. Many researches have been done with the simulation model. it was found that some structure parameters such as the diameter of the driving piston, the diameter of the buffer piston, the stiffness of the valve spring, the compress ratio of the buffer piston, and the flux area of the solenoid valve etc. have great effect on the performance of the haecvvs. for certain performance demand of the variable vale system, there is a most suitable combination for the structure parameters

    通過對電控可變氣門系統的主要結構,如動力活塞直徑、緩沖活塞直徑、氣門彈簧剛度、緩沖活塞實際壓縮比、電磁閥通流面積等中壓共軌電控柴油機可變氣門系統的研究對電控可變氣門系統啟、閉特的影響規律的研究發現,動力活塞直徑、氣門彈簧剛度、電磁閥通流面積對電控可變氣門系統啟、閉起著決定的作用,對於一定的氣門啟閉規律要求,這些結構存在一組值。
  6. The switching power for driving the stepper - motor. furthermore, i take part in the vgt performance examination, from which i obtains the data map of vane position and boost pressure with economic rules

    與vgt試驗,通過試驗據的分析,以經濟原則得到了增壓壓力脈譜圖和葉片轉角位置脈譜圖。
  7. Various attempts have been made to study the effect of electrochemical polymerization processes including temperature, electrolyte composition and the deposited location on the strength and brittle - tough properties. by the mechanical measurement and testing, we found, compared with the mixed electrolyte composition of isopropyl alcohol ( ipa ) + 5 % boron trifluoride diethyl etherate ( bfee ) + 5 % polyethylene glycol ( peg ), the better mechanical properties of conducting ppy films were given by the mixed electrolyte compositon of ipa + 5 % bfee + 5 % deg

    結果發現,當添加劑peg的濃度不變時,改變bfee的濃度可以改變薄膜材料的,其中以30的bfee濃度為;當固定電解液中bfee濃度不變時,改變添加劑的濃度對制備的薄膜影響不明顯,但以peg100為臨界;降低溫度,可以使薄膜生長減緩,有利於得到更好的薄膜。
  8. It has been maked for immediate and statistical analysis that the calculation about the work order parameter of the base - bleed - rocket is calculated in the taguchi method, its influencing trend is bring out in the open, the theoretical base is settled for confirming the greatest combination about the work order parameter of the base - bleed - rocket. the multi - objectile optimal design model is established that the indexes have been taked into account first and synthetically, such as physical parameter range lethality power strength and flight stability and so on, the program is compiled and the example is calculated. the true worth of the theoretical work in this paper is validated by flight experimentation of 130mm hybrid base - bleed - rocket extended - range principium projectile

    本文進行了底排?火箭復合增程彈工作時序正交試驗設計的直觀分析與方差分析,揭示了每個對射程計算的影響趨勢,為進一步確定底排?火箭工作時序值的匹配組合奠定了理論基礎;建立了底排?火箭復合增程彈多目標優化設計模型,該模型首次綜合考慮了底排?火箭復合增程彈的結構特徵量、結構強度、飛行穩定、威力和射程指標,編制了相應的分析程序,進行了算例計算;完成了130mm底排?火箭復合增程原理樣彈的結構設計與飛行試驗,其試驗結果驗證了本文理論研究工作的實際應用價值。
  9. On the basis of that, according to basic theory of spherical symmetry grin optics and the rigorous computation of light tracking, its effect on retro - reflection was estimated. finally, by optimized computation the best technical parameters were obtained and the direction of improve its retro - reflection effect was determined

    在此基礎上,根據球對稱梯度折射率光學的基本理論和光線追跡的嚴格計算,估算了用其製作回歸反射材料夠達到的指標,並通過優化計算尋找到技術,為提高回歸反射材料的指明了方向。
  10. We decided to use the axial polarized model as our investigate object after comparing. with theoretical and emulational methods, we studied the properties of cymbal transducer are dependent of the dimensions of metal endcaps and pzt thinner circle plate. and obtained the optimized dimensions

    採用理論和有限元模擬相結合的方法,研究了金屬端蓋和壓電陶瓷片( pzt )的形狀對cymbal換器的縱向位移及諧振頻率等的影響,確定了試樣的形狀
  11. 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瞬變時,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;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,整定了調節;通過動態比較,分析了調節系統改變對其動態的影響。
  12. Appraise the test scheme of dynamic consolidation of each test district before test and make optimization suggestions ; 4. the grain - size distrilidation of the underlayer of dynamic consolidation has great on consumption of the energy i, the better the dynamic consolidation effect is ; 5. the deformation effect of dynamic consolidation foundation is that not only the settlement deformation of foundation will decrease greatly after pounding, but residual settlement deformation in each test district are compared, it can be concluded that the deformation stability of foundation of the runway engineering of pu - dong airport can satisfy the design requirment through dynamic consolidation according to optimized test scheme. but the underlayer of dynamic consolidation should be made when pounding

    論文的主要工作和研究認識如下: ( 1 )確定必要的強夯施工; ( 2 )對既有砂土又有粘土地基的夯擊次的確定方法進行了探討; ( 3 )對試驗前各試驗小區的強夯試驗方案進行了評價,並提出了優化建議; ( 4 )強夯墊層材料的級配對夯擊的消耗有很大影響,級配好的墊層對夯擊的傳遞比級配差的墊層效果好; ( 5 )強夯地基的變形效應主要是指夯后地基不但沉降變形會大幅度降低,而且剩餘沉降變形會緩慢地發生; ( 6 )在比較各試驗小區的變形穩定后,按照優化后的試驗方案進行強夯處理,則浦東機場場道工程地基的變形穩定滿足設計要求,但須在處理時施加強夯墊層。
  13. This paper mainly presents the basic properties of far - infrared polypropylene knitted fabric of different fabric density, different linear density and different knitting drawing tension, from which optimal processing parameters are obtained

    摘要主要論述了遠紅外丙綸針織物在不同織物密度、不同紗線細度,以及編織過程中不同牽拉張力等情況下的基本,從而得出工藝
  14. The optimized experiments were used to explore the optimal hydrothermal conditions in order to prepare cu powders which have excellent properties. the optimal parameters of hydrothermal experiment as follows : the temperature is 240, the time of reaction is 10h and the volume ratio of solution filling is 80 %

    將粒度均勻和開始氧化溫度作為衡量銅粉的指標,終得到的工藝為:水熱溫度為240 ,反應時間為10h ,溶液填充度為80 % 。
  15. This paper introduced the experimental results for ground - source water / water heat pump, analyzed the effects of the variety flux on system performance coefficients, which showed that the optimal operation flux is 1000 ( l / h ) and provided the heat exchange rate per unit depth of coil, 45 80 ( w / m ). compared the exchang - heat - curveline in winter with that in summer, through which showed the advantages of gshp in mode of heating and cooling on long - period operation

    本文介紹了地源水-水熱泵全年冬夏暖冷聯供的實驗結果以及過渡季地溫的恢復情況,分析了系統流量對熱泵的影響,獲得了運行流量為1000 ( l / h ) 。並實測得到單位管深換熱率及埋管的有關指標。
  16. Based on the down - hole working condition and the required capability of the reducer, the mathematic module for the reducer optimal design as the function of minimum volume is proposed, the design variable and restrain conditions are determined, and by solving the optimal module, the optimal parameters of the reducer are obtained

    根據井下工作的實際條件和要求的減速器傳動,建立了以減速器體積小為優化目標的減速器優化設計學模型,確定了優化設計的設計變量和約束條件,通過編寫程序運行,完成了對優化模型的求解,得到了減速器的傳動
  17. So for further studying the technique of wpki, we really must carry on simulate to the function of wpki ( such as customer quantity, responding time and bandwidth to request etc. ). thus under the condition of not on the scene, we can get the wpki function parameter to carry on the capability valuation, and put forward some directive suggestions, making the wpki attain the best capability under the condition of certain

    因此為了進一步研究wpki技術,必須對wpki(如用戶量、響應時間、吞吐量、帶寬要求等)進行模擬,從而在非現場情況下,通過運行模擬程序,得到wpki的,進行評估,並提出指導建議,使wpki在一定的條件下達到
  18. Abstract : the change in strength, plasticity and relaxation rate of pc steel strand before and after stabilizing has been analyzed by means of fracture and stress relaxation tests. the effect of treatment parameters and tensile stress on the properties was obtained and optimum parameters of stabilizing treatment were also proposed

    文摘:通過對預應力( pc )鋼絞線穩定化處理及隨后的破斷、應力鬆弛試驗,分析了處理前後強度、塑、鬆弛率指標的變化趨勢,得出了工藝溫度、張應力對指標的影響規律,進而提出了穩定化處理的工藝
  19. On the basis of the new model, one of the important parameters, called the optimal operating temperature of the collector of a solar - driven refrigerator, is derived

    基於新循環模型,導出太陽集熱器的工作溫度這一重要量。由此獲得太陽製冷系統的大總,進而討論一些有意義的問題。
  20. In the designing of fan, besides some structure sizes and performance parameters must be met, efficiency or noise object or both objects is always expected

    設計風機時,除了必須滿足用戶要求的結構、外,總希望所設計的風機效率盡可高、噪音盡可低,或者兩者都要求達到
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