典型變換 的英文怎麼說

中文拼音 [diǎnxíngbiànhuàn]
典型變換 英文
canonical transformation
  • 典 : Ⅰ名詞1 （標準; 法則） standard; law; canon2 （典範性書籍） standard work of scholarship 3 （典故...
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 典型 : 1 （在同類中最具有代表性的人或事） typical case; typical example; model; type; specimen 2 （具有...
  1. The other research purpose is to discover characteristic information and reliable methods of reflecting spinal cord damage. due to typical damage indicators, amplitude and latent period, have bugs such as limited information and weak stabilities, this project recommends applying time - frequency analysis to monitoring spinal cord function. through analysing and comparing typical signal with stft and cwt, it is proved indicators under time - frequency distribution can be better in reflecting signal changes, espcially the wavelet transformation

    針對目前ep監測中判定脊髓損傷的指標（波幅和潛伏期）存在信息量相對較小、穩定性較差的缺陷，本課題提出利用時頻分析技術對術中脊髓功能監護進行研究，通過短時傅立葉變換和小波變換分析和比較典型信號的時頻分佈，證明時頻特徵參數能更有效的提取信號的變化信息。
  2. Our video post - processing algorithm can only convert several tipycal types of interlaced signals to de - interlaced signals. while the 21 types of video display formats must be achieved by video display module. in this dissertation. we provide the design method of video display module in detail based on the introduction of multiplicate video display formats. at the mean time, in order to improve image quality further, by analyzing and comparing a variety of currently popular image sealer methods. we provide a alternative way for selecting appropriate image sealer methods

    視頻后處理演算法只針對幾種典型的輸入制式進行隔行變逐行的轉換，而多達21種的視頻顯示格式主要通過視頻顯示模塊來完成，因此，本文在介紹多種視頻顯示格式的基礎上，詳細介紹了針對我們目前版本的視頻后處理晶元視頻顯示模塊的設計方法，並且為了在視頻后處理晶元的后續版本中，進一步提高視頻顯示的質量，本文對圖像插值的方法也進行了探索，通過比較和分析目前多種流行的圖像插值方法，得到了后續版本圖像插值方法選擇的方向。
  3. The loss of the different parts in the assistant circuit of the typical zvt - pwm buck converter is calculated

    本文對一典型的zvt - pwmbuck變換器進行了深入的分析研究。
  4. The unique rising and falling stage design makes multi - function hall space change in many kinds of appearance, which makes it an ideal site for holding large conference, performance, celebration, academic report and feast

    別出心裁的升降舞臺設計，使多功能廳空間變換呈現多種姿態，是舉行大型會議、演出、慶典、學術報告、宴會等的理想場所。
  5. Finte function, the typical representative of many - valued function, is clearly and vividly exposed its complicated alternative character by riemann surface and is thoroughly discussed the key points and the process of monodromic branch ceded from many - valued function

    摘要通過討論多值函數的典型代表根式函數，運用黎曼面，清晰、形象地揭示多值函數復雜的變換特性，並論述分出多值函數的各單值分支的關鍵問題及其方法。
  6. In light of the limitation of fast fourier transform ( fft ) for the method of traditional spectrum analysis to analyze the unsteady signal, wavelet and wavelet analysis are made for the typical unsteady process signal of starting up and shut down with the good characteristic of simultaneous localization in both the time and the frequency domains based on the field test on the vibration of two - row placed units in lijiaxia hydropower station, in which the signal is decomposed into different frequency band, and then the weak signal is caught and the dominant frequency is picked up for the analysis of the vibration source

    摘要基於李家峽水電站雙排機組振動的現場試驗研究，並且針對傳統頻譜分析方法傅立葉變換（ fft ）對于非平穩信號已力不從心這一缺陷，利用小波分析方法在時域和頻域上同時具有良好的局部化性質，通過對開停機這一典型非平穩過程信號進行小波及小波包分析，將其分解到不同頻帶內，獲取微弱信息和提取優勢頻率，並對其作振源分析，得出開停機初始時刻因水流不穩均出現強烈的振動現象，且低頻段信號能量最大，開停機過程水流脈動壓力和尾水渦帶擺動是引起定子基礎振動的主要原因。
  7. Based on the analysis of the real work state of the tractor in the field, take the typical plough implement unit as an example ; a further study was made in this paper, including the theory of the automatic transmission and the quality of gearshift

    本文以典型的犁耕機組為例，在分析拖拉機田間作業工況的基礎上，深入研究了拖拉機自動變速系統理論及換檔品質的問題，改進了換檔執行機構，用模糊控制方法對換檔品質進行了優化。
  8. This dissertation focus on a innovation methods for inverter controlled hydraulic elevator system applying pressure accumulator as the " pressure - energy transformer ". the required power supply and running energy can be reduced remarkably when accumulators storing and releasing pressure oil. then the key items about hydraulic speed control system based on the ens 1 - 2 and other hydraulic elevator standards are investigated in detail

    本論文主要研究了採用蓄能器-液壓泵馬達構成的「壓力-能量轉換裝置」來儲存釋放變頻驅動液壓電梯系統的能量，從而降低液壓電梯裝機功率和運行能耗的新方案；在此基礎上，根據國內外液壓電梯的標準進行了與速度控制相關的關鍵項目測試，最後針對本課題研製的節能控制系統與當前市場上幾種典型的液壓電梯控制系統進行了能耗對比研究。
  9. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況，在回顧電梯液壓控制系統節能技術的基礎上，介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理，分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式；詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計，重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容；最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。
  10. So, an overview is given, including several popular definitions and all kinds of typical fast algorithms. skeletonization is a concept related closely to distance transformation

    鑒於此，對距離場的生成方法作了一個系統的總結回顧：包括幾種流行的距離定義，以及各類典型的距離變換快速演算法。
  11. Temperature field of hollow ingot solidification is simulated by fem. to different mould, effect of heat transfer coefficient between inner sleeve and cooling medium and thickness of core refractory on final position of solidification, the highest temperature of inner sleeve against cooling medium, and shrinkage cavity and porosity are compared. in addition, change of temperature in typical position of core refractory is also compared

    對空心鋼錠凝固過程的溫度場進行了有限元分析，對不同錠型結構的芯部換熱系數、耐火材料厚度對最終凝固位置、內筒壁最高溫度及縮孔疏鬆的影響進行了對比，並討論了耐火材料典型部位的溫度隨凝固時間的變化。
  12. Abstract : temperature field of hollow ingot solidification is simulated by fem. to different mould, effect of heat transfer coefficient between inner sleeve and cooling medium and thickness of core refractory on final position of solidification, the highest temperature of inner sleeve against cooling medium, and shrinkage cavity and porosity are compared. in addition, change of temperature in typical position of core refractory is also compared

    文摘:對空心鋼錠凝固過程的溫度場進行了有限元分析，對不同錠型結構的芯部換熱系數、耐火材料厚度對最終凝固位置、內筒壁最高溫度及縮孔疏鬆的影響進行了對比，並討論了耐火材料典型部位的溫度隨凝固時間的變化。
  13. Since the antiplane scattering problems of local sites could be divided into two kinds : interior and exterior problems, main points to solve the problems are graf ' s addition theorem. so two expressions and suitable range of the graf ' s addition theorem are studied hi the paper. moreover, an auxiliary function method for mixed boundary - value problems are also discussed in this paper

    由於典型局部場地彈性波出平面散射問題可以分為內域型和外域型兩大類，求解這些問題的要點是要完成特殊函數在不同坐標系間的變換，因此本文對graf加法公式的兩種表達及其適用范圍做了研究，另外對解決混合邊值問題的輔助函數法做了研究。
  14. Chaos in three typical topology power electronic converters with a close loop controller is studied. the discrete iterative model is established and analyzed for the chaos in close loop boost converter working in discontinuous conduct mode. the tracking control method is used to control chaos of this converter, simulation results show its effectiveness

    研究了三種典型拓撲結構的電力電子變換器閉環工作時的混沌現象，針對工作在電流斷續模式（ dcm ）下的boost變換器中的混沌現象，分析了其數學模型，並採用軌跡跟蹤控制方法進行了控制，模擬結果表明了該方法的有效性。
  15. The problem of non - classically damp, after the structure ' s damp and linear water ' s damp are added up, are solved by way of complex mode transformation, and the dynamic responses of a offshore platform are studied under the circumstances of thinking about the mutual effect or not

    復模態變換解決結構阻尼與線性化后的水阻尼迭加后不具有經典阻尼的特點而產生的計算問題，針對某典型鋼質海洋平臺在考慮和不考慮波浪力與平臺結構相互作用的兩種情況下，進行了動力響應數值分析和研究。
  16. According to the concept and basic form of svpsf, the cavity and duct scattering is examined, and a method is developed to remove the duct - induce dispersion effect

    推演了典型非點散射結構?腔體結構的二維svpdf的具體形式，得到消除其散焦效應的積分變換域濾波方法。
  17. In chapter 1, we briefly reviewed the risk theory and its development. and the significance about this paper was expressed. in chapter 2, we introduced classical risk model. in which, making this risk process into a strong markovian process is the preparation of deriving the main results. chapter 3 is the main body of the paper, we derived the results about general ruin probability in a kind of continuous time risk model with deficit - time geometry distribution of claim inter - occurrence time. the martingale approach is a good procedure to get the expression of ruin probability about a class of continuous time risk models with deficit - time geometry distribution of claim inter - occurrence time. we also take advantage of change of measure idea from it

    第二章介紹了經典風險模型，其中用逐段決定馬爾可夫過程理論及補充變量技巧，使一類風險模型的盈餘過程成為齊次強馬爾可夫過程。第三章作為本文的主體部分，在索賠到達間隔服從虧時幾何分佈的連續時間風險模型中，索賠額分佈為一般分佈，它的破產概率可以利用pdmp中的廣義生成運算元得出鞅，通過調節系數的選擇以及在相應測度下的測度變換，使得破產概率的一般解可以表示出來。
  18. In addition, the discrete mathematic models of the digital vehicle control system were obtained by introducing the discrete mathematic models of the typical elements in the digital control system and deducing the time continuous mathematic models in accordance with z transformation method

    利用z變換方法把控制系統時間連續數學模型轉換成離散數學模型，引入數字控制系統典型環節的數學模型，建立磁導航車體運動數字控制系統的離散數學模型。
  19. The result of the calculation for tip clearance is reasonable when it is compared with theory. two ways are put forward for convention of dimension of the turbine components from high temperature to low one, which is related with tip clearance, a simple example is used to illuminate that the two ways are useful, using the method of design optimization, axiisk and a blade of a certain turhine is analysed, it showes that the method of design optimization is feasible to be used for convertion of dimension of the turbine components. finally, ansys software is used to analyzed the variation of tip clearance with the method of cyclic symmetry analysis when engine works under the conditions of temperature and rotational speed, am using a new method to deal with thermal contact resistance in the calculation

    本文完善了計算渦輪葉尖間隙的簡化演算法程序，增加了程序的計算功能，並將其應用於某高壓渦輪進行葉尖間隙分析，所得結果與理論結果進行了對比，得出修改後的程序用於葉尖間隙計算是合理的；同時提出了與葉尖間隙相關的渦輪典型部件的冷、熱態的尺寸兩種換算方法，使用優化設計的方法進行了實例分析，說明了所提出的計算方法是可行的；最後應用ansys有限元軟體利用循環對稱的方法分析了某型發動機高壓渦輪在溫度場及離心力作用下的葉尖間隙在發動機工作過程中變化情況，並分析了計算中的接觸熱阻的處理問題。
  20. On such a basisthe commonly used monomial error accumulating totals correction method is introduced. the author proposes a coordinate transformation method to deal with its drawbacks of maths model imperfection, not applicable to lange - angle deviation and adding to the difficulties of equipment. while orientating the order of matrices according to the principle of the accordance between coordinate ' s rotating order and the physical process of device measuring, a strict maths model of the influence of axis system deviation on surveying angles is concluded and the corresponding correction method is induced. its far - reaching meanings are as follow : ( 1 ) the maths model of the influence of axis system deviation on surveying angles established by the new method is concluded after considerations for the three deviations simultaneously. changes under all circumstances are included, so it is theoretically a perfection of maths method

    在此基礎上介紹了國內目前採用的軸系偏差對測量角影響的經典改正方法?單項差累計改正法，並針對該方法存在的數學模型不完善、對大角度偏差不適用、增加設備調整難度等缺陷，提出採用坐標變換方法，並根據坐標的旋轉次序與設備測量的物理過程相符合的原理定位各矩陣的先後順序，推導出了軸系偏差對測量角影響的嚴格數學模型，歸納建立了相應測量角的改正方法。
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