求最佳參數 的英文怎麼說

中文拼音 [qiúzuìjiāshēnshǔ]
求最佳參數 英文
optimization
  • 求 : Ⅰ動詞1 （請求; 要求） ask; beg; request; entreat; beseech : 求人幫忙 ask sb a favour; ask a favou...
  • 最 : 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
  • 參 : 參構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 最佳 : the best; optimum
  1. 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、彈性篩面、振幅可調的運動參數特點；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、大處理能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最佳篩分設備。
  2. 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

    能否找到一個最佳的環境參數組合，使其既能滿足人體熱舒適性要求又有利於降低供暖能耗，這對于改善該地區人居熱環境、節約能源、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。
  3. 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參數，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、電磁閥通流面積等參中壓共軌電控柴油機可變氣門系統的研究數對電控可變氣門系統啟、閉特性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、閉性能起著決定性的作用，對於一定的氣門啟閉規律要求，這些結構參數存在一組最佳值。
  4. Finally, the characteristics of ion curren extraction in different conditions are simulationed with magic software, and the parameter of best emission surface is obtained

    最後，採用magic程序對高頻離子源不同引出參數下的束流引出特性進行了數值模擬，得到了獲得最佳的引出離子束所要求的等離子體發射面參數。
  5. Abstract : by establishing the mathematical model about & quot; the explor ation of hollow holes & quot; and sowing it, and with the fruit of having taken part i n the national competition mathematical modeling by college students since 1996, the p aper deals with the establishment of mathematical model is the best way to cult ivate talents with quality of applied mathematics

    文摘:通過「空洞探測」問題數學模型的建立和求解，以及從1996年起參加全國大學生數學建模競賽所取得的成效，說明了數學建模是培養應用性人才所具備的數學素質的最佳途徑之一。
  6. This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and

    本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是：根據光學玻璃的物理與化學性能，選擇輕型鏡坯材料；用有限元法對鏡子的變形進行分析、計算，找出變形規律，優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構；分析玻璃切削原理，設計專用磨輪結構，選擇合理工藝技術參數，完成400mm平面鏡輕量化減重孔的加工；分析氫氟酸腐蝕光學玻璃機理，尋找最佳酸濃度、腐蝕作用時間等工藝參數，實現400mm平面鏡減重孔應力與微裂紋的消除；討論分離器加工原理和工藝技術特點，完成400mm平面輕型鏡面形加工。
  7. From the view of engineering economies, this paper get objective function of equipment selection for ice - storage system, and get the optimal equipment selection, in which introduce into uniform annuity and correction coefficient of designing date load

    摘要從工程經濟學角度，引進等額年金，設計日負荷修正系數，得出冰蓄冷空調系統設備選擇的目標函數，對各參數進行賦值，求得最佳的系統設備選擇，並用一個工程實例驗證，結果表明此數學模型是有效的。
  8. 1 ) the principles of various rotary - type transplanting mechanisms of high - speed rice transplanter had been studied, and the subjects for further research - - studying their dynamics characteristics to improve their dynamics performance and further to enhance the efficiency were put forward. an innovative idea of two - stage - optimization for dynamics analysis was presented in the paper. the creativity of the idea was that the kinematics optimization ( first stage optimization ) results were the constraint for dynamics optimization ( the second stage optimization )

    本文主要的研究內容和結果如下： 1 ）研究國內外各種類型的旋轉式高速水稻插秧機分插機構的工作原理，指出尚待研究的問題? ?研究其動力學特性，以改善動力學特性，進一步提高插次；為此提出了動力學兩級優化的創新性思路? ?以運動學優化（ 1級優化）得到的機構參數范圍作為動力學優化（ 2級優化）的約束條件，最終得到的最佳參數不僅能滿足運動學的要求，又具有最佳的動力學特性。
  9. On the premise that the basal transducer layout was designed according to the requirements of deep - sea exploring surroundings and technology on the basis of the hardware structure and data collecting ways of interferometric sonar, the echo signal by energy relativity search is analyzed and calculated, altitude data of the tiny terrain on the seabed under real - time irradiation of ultrasonic is gained as to provide parameters of best cutting depth for intellectualization of the seabed mining vehicle timely and promptly

    摘要在相干聲納硬體結構及數據採集方式的基礎上，結合具體的深海鈷結殼探測環境和技術要求，確定了換能器基本布局，探討了信號採集與處理方法，利用能量相關搜索法對回波信號進行分析和計算，得出超聲波實時照射下的海底表面微地形高程數據，為海底采礦車智能化開采提供實時、快速的最佳切削深度參數。
  10. The essay author also design a sm - i new biomass - coal two fuel gasify kiln and through the sawdust orthogonal test the parameters, get the optimal results, and through the test, we advance the improved method, provide a advantage, perfect choice for the country apply the new saving energy experiment

    本論文同時自主設計研製了一臺sm -新型生物質?煤雙燃料氣化爐，並主要利用鋸末生物質對其各項設計參數做了正交實驗，求得最佳結果，在實驗的基礎上提出了相應的改進意見，為廣大農村推廣應用新型節能設備的試驗提供了一種先進、理想的選擇。
  11. Then, we establish the finite element analysis models of the antenna in different structure layout, and obtain the corresponding frequencies and model shapes. finally, according to the importance of each object, we set up the model of multiple objects that aims to maximize the first natural frequency and minimize the mass. combining orthogonal experiment and variant weighting coefficient method, we formed an effective multiple objects optimized algorithm basing on the neural network and genetic algorithm

    本文首先詳細的敘述了天線結構的各組成單元，闡明了天線反射拋物面的形成原理；然後在ansys軟體環境中建立了不同結構布局下天線的有限元分析模型，分析計算了各種情況下天線的的固有頻率與振型；最後依據天線各指標的重要性，建立了以一階固有頻率最大、質量最小為目標的天線結構多目標優化設計模型，並基於神經網路和遺傳演算法，結合正交實驗和變加權系數技術，形成了一種有效的多目標優化演算法，在matlab平臺下實現了天線的結構多目標優化設計計算程序，求得了天線的最佳結構參數。
  12. However, the artificial methods for tuning pid parameters are so far applied commonly regardless of in the domestic or overseas process control engineering practice, which cause the pid tuning job extremely time - consuming and can not assure of the best control system performances consequently, particularly for these time variant processes

    然而，至今控制系統的pid參數整定工作無論是在國內還是在國外的控制工程實踐中，主要採用的還是人工整定法。這使得pid參數的整定工作不僅費時，而且難以保證控制系統性能最佳，尤其是對于被控對象特性隨工況發生變化的系統， pid參數人工整定法更不能滿足系統的要求。
  13. The best approximations algorithm is just the method which can solve the mini - max solution of the least value of frequency deviation. because of the reason above, in this paper the best approximations algorithm is introduced into calculating the parameters of atcxo compensation network for the first time

    最佳一致逼近演算法正是能夠求解出使頻率偏差的絕對值最小的極小極大解的一種方法，為此將最佳一致逼近演算法首次應用於模擬溫補晶振補償網路參數的計算中。
  14. The sliding mode controller with the line - of - sight ( los ) guidance is adopted for the rudder control to steer the ship in waves with the functions of track keeping and roll reduction, in which the design parameters are optimized from genetic algorithm

    配合los導引的滑動模式控制器是以操舵控制的方式，使船隻在波浪中的航跡能維持在既定航線並降低橫搖量，而控制器的設計參數是以基因演演算法來求得最佳化。
  15. With the using of microsoft visual basic 6. 0, a multimedia computer - aided design system of small type pumping irrigation district is developed in this paper. provided with the live multimedia messages as well as a good man - machine conversation mechanism, this system can help the user to finish the planning of an pumping irrigated area such as the layout of canal system, the selection of pump models, the establishment of the irrigation program, the calculating of canals " parameters, the estimate of the project magnitude, the selection of the field constructions, the economic analysis of the project, the output of results, etc, a new oo ( object oriented ) programming method is adopted in this system, various softwares are integrated in this systems as well by the " automation " technic provided by vb, in addition, the multimedia technic is applied to this system for the first time, it makes the system easy to ope rate. as for the optimization of the canals " section, a new optimization method is adopted based on the existing theories about the canals " section, and in this way, with the purpose of minimizing the project ' s investment as well as a stalized canal, limited by the longituding slope, the canals " best feasible parameters can be deduced. furthermore, a integral method to reckon the earth work is developed in this paper, by this way, the estimate precision of the earthwork is enhanced notably. this paper includes the particular illumination for the developing procedure of each systems " segment, and in the end, the directions of the system are demonstrated in a sample area which lies in the zhaija village, taizhou city, jiangsu province, the running results showed that the initial purposes are achieved effectively, and it has a preferable practicability

    在渠道縱橫斷面優化方面，本文在利用已經比較成熟的縱橫斷面優化理論的基礎上，提出以工程總費用最小為目標函數，以渠道縱坡i為控制變量，以渠道不沖不淤流速及灌區允許地面比降為約束條件，通過縱橫斷面聯動優化的方法得到渠道的最佳工程可行的斷面參數。另外，針對部分地區的取土困難的狀況，本文採用積分法計算渠道工程土方量，從而大大提高了土方量的估算精度，有助於準確控制工程投資規模及資金投向。本文詳細闡述了該系統所採用的編程方法、系統構成、系統各組成模塊的開發過程以及灌區規劃所採用的優化方法及原理，最後應用本系統對泰州市翟家村機電灌區進行規劃設計，運行結果證明其操作比較簡便，界面友好，運行速度快，規劃成果合理，基本達到了系統預定的要求，具備較強的實用性。
  16. To find the parameters of preparation and annealing process associated with the best electrochromic properties of these films, following researches and experiments were carried out : to compare the visible light transmittance of the colored state with bleaching state of the electrochromic films which were annealed at different temperatures and for different duration, to count the dynamic optical density change, and to test the i - v relations of these films " electrochromic cycles and their colored / bleaching response time

    對經過不同熱處理溫度和不同熱處理持續時間得到的薄膜樣品的著色褪色可見光范圍內透射光譜的比較，計算薄膜動態光密度變化量的大小，測試薄膜著色褪色循環伏-安關系以及薄膜著色褪色響應時間的快慢，尋求到薄膜呈現最佳電致變色性能時所對應的制備參數與熱處理參數。
  17. 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參數； （ 2 ）對既有砂性土又有粘性土地基的最佳夯擊次數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能的消耗有很大影響，級配好的墊層對夯擊能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性后，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性能滿足設計要求，但須在處理時施加強夯墊層。
  18. The optimal performance state ' s parameter of thermoelectric refrigerator under different work conditions was obtained on the assumption that the temperature in the cold side is invariable. and, the optimal performance state ' s parameter of thermoelectric refrigerator under the third kind boundary conditions was also obtained. the transmission of heat differential equation for the heat conduction process of thermoelectric module was derived and the solution with the first kind boundary conditions under the influence of thomson effect and the solution with the third kind boundary conditions without the influence of thomson effect was obtained

    在假設熱電製冷的熱端溫度固定的條件下，得出熱電製冷器在不同工況下的最佳工作參數並進一步求得在三類邊界條件下的最佳工作參數;導出了電偶臂在電與熱的偶合作用下傳熱微分方程，並對其進行解析求解:在考慮湯姆遜效應的影響下得出一類跟三類邊界條件下傳熱方程的解析解，在忽略湯姆遜效應的影響下得出二類跟三類相的邊界條件下傳熱方程的解析解。
  19. The paper derives a new calculation formula for contact ratio of pump gear, provides a c language program as well, which make the pump gear optimum design convieniently

    為了方便測繪計算，輸出的結果是滿足齒輪泵性能要求的，並按泵齒輪中心距排列的多組泵齒輪最佳參數，供設計者根據現場要求選擇使用。
  20. Finally, the parameters were optimized by using programming method and the optimum combination of the parameters was determined and the verifying test proved the validity of the results

    利用計算機規劃求解分析方法，對模型進行優化計算，得出秧苗埋苗率最小時的最佳參數組合，並進行了試驗驗證。
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