調平系統 的英文怎麼說

中文拼音 [diàopíngxìtǒng]
調平系統 英文
leveling system sistema de nivelacion
  • 調 : Ⅰ動詞1 （配合得均勻合適） harmonize; suit well; fit in perfectly 2 （使配合得均勻合適） mix; adju...
  • 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...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results

    接著，對自適應調制系統中的通道估計問題難點，詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然（ ml ）估計和最大后驗概率（ map ）估計演算法，針對平衰落通道，我們模擬了map估計和ml估計的方差與導頻符號長度的關系，模擬結果表明，錯誤方差受多譜勒頻率的變化影響最大，並且對實際的自適應調制系統，導頻符號長度的取值超過20個符號長度時， map通道估計明顯優于ml通道估計。
  2. Air regulation systems in mining - wing air locks for travelling tracks - double - wing type doors with pressure reduction

    礦山空氣調節系統.車道用的側翼式空氣門.具有減壓平
  3. Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm

    接著，專門利用一個章節闡述了dvb - c前端調制系統原理，他們了差錯控制技術、多進制調制（ mqam ） 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括（整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現） 、分散式演算法、 cic濾波器、直接數字頻率合成（ dds ） 、 cordic演算法。
  4. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先，在闡述i / q正交調制基本原理的基礎上，通過對誤差矢量和鄰近通道功率泄漏的詳細分析，定性、定量地討論了各種非理想電路因素（如相位不平衡、幅度不平衡、直流偏差等）對調制器性能的影響;其次，介紹了鎖相環的工作原理和基本組成部分，包括鎖相環的設計和環路濾波器的設計，特別詳述了電荷泵鎖相頻率源;第三，介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後，對整個直接射頻調制系統進行測試，結果基本上達到了課題要求。
  5. A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method

    提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求，選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化，再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法，通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍，以速度調節器和電流調節器的參數為染色體中的基因，通過遺傳演算法在搜索范圍中優化這些基因，獲得優化解.實驗結果表明，所設計的參數能使系統性能指標有顯著提高
  6. Appropriate adjustable systems include sliding screens, louvre screens, shutters, retractable awnings and adjustable external blinds

    適合的可調節系統包括：水平滑動屏風式，天窗式遮陽棚，曲臂遮陽棚和可調節式外遮陽百葉。
  7. The speed control system is developed based on distance control and high precision elevator car positioning detection technology - efficient operation, excellent riding comfort and accurate car leveling

    以距離控制和高精度轎廂位置檢測技術為基礎的速度調制系統，不僅實現了電梯高效運行並獲得了超乎尋常的舒適感和平層精確度。
  8. In order to enhance the level of automation, the said governing system has been retrofitted by using technical scheme, in which the rexa astuator is taken as a changeover gear, and the force - driven actuator as a servomotor, obtaining satisfactory retrofit result, providing new way for retrofitting the governing system of similar type units

    為提高機組的自動化水平，採用以rexa執行器為轉換裝置和力驅動執行機構油動機的技術方案對其進行了改造，取得了滿意的效果，為同類型機組調節系統的改造提供了新途徑。
  9. Up to the real characteristics of this reservoir, we have done some works on the software development for reservoir ' s dispatching system, and the main results in this paper are as follows : ( 1 ) the city water supply and irrigation water need are statisticed and revised in year 2010, then the water supply process line has been predicted

    本論文研究和開發了黑泉水庫調度系統，為黑泉水庫的科學管理和優化調度奠定了基礎。論文取得的研究成果如下： （ 1 ）對黑泉水庫水平年2010年的城市供水量和灌溉供水量做了逐時段的統計修正，得到了新的水平年供水過程線，並預測了遠景年供水過程線。
  10. In trading, margins on cash equities, which used to be wall street ' s signature business, have been hit by electronic platforms and by rules to increase price transparency, such as regulation national market system ( known as reg nms ) in america

    現金證券的買賣? ?華爾街曾經的招牌業務? ?慘遭來自電子交易平臺以及諸如美國國家市場調控系統之類的增加價格透明度的法規的打擊。
  11. A system with repmsm ( rare earth permanent magnet synchro - nous motor ) as executing motor is presented in this thesis. the hardware platform for the ac speed regulating system is based on tms320f240 dsp controller and uses ipm ( intelligent power model ) as the power device in the invert circuit

    系統選用正弦波永磁同步電動機為執行電機，以ti公司的tms320f240dsp晶元為控制核心，以智能功率模塊（ ipm ）為逆變電路功率開關器件，構成交流調速系統的硬體平臺。
  12. The financial adjustment system is designed to ensure a balanced distribution of these financial resources

    財政調整系統是為了確保資金來源的平衡分配而設計的。
  13. The main features in the study of flood forecasting and control system are as follows : ( 1 ) runoff generating and confluence theory and hydro - dynamic method are adopted to predict the water level of taihu lake and key nodes, the basin wide forecasting and control system with the function of real time correction has been first established in plain river network to meet the complicated flow conditions of taihu lake basin and to enhance the reliability of forecasting results ; ( 2 ) according to the rainfall in foreseen period multiple schemes can be made in the forecasting model and adjusted with time, which overcomes the errors caused by the uncertain rainfall in the foreseen period so as to make the forecasting results approach reality

    本文所研究的預報調度系統有如下特點： （ 1 ）本系統採用產匯流理論和水動力學方法預報太湖及重要節點水位，首次在平原河網地區建立了具有實時校正功能的全流域預報調度系統。以適合太湖流域復雜的水力條件，增強預報的可靠性; （ 2 ）預報模型可以根據預見期降雨量進行多方案預報，並隨時間推移，可以實時進行調整，克服由於預見期降雨不確定引起的誤差，使預報結果更接近實際。
  14. Principle analysis and application of bituminous concrete spreader auto - leveling beam

    計算機模擬瀝青攤鋪機自動調平系統的分析
  15. The main research contents of the paper involve : establishment of real time forecasting system of taihu lake basin ; forecasting method for the tidal levels along yangtze river and hongzhou bay ; model mechanics of flow generation and confluence forecasting ; forecasting model mechanics of flow dynamics in plain river networks of taihu lake basin ; case study of real time flood forecasting and control in taihu lake basin

    本文所研究的內容主要概括如下： 1 ）太湖流域實時預報調度系統的建立與開發機制； 2 ）沿長江及杭州灣潮位預報方法； 3 ）太湖流域產匯流預報模型機理； 4 ）太湖流域平原河網水動力學預報模型機理； 5 ）太湖流域實時洪水預報與調度實例研究。
  16. According to this control model this text has already carried on the direct feedback control, conventional digitized pid control system analog simulation. determined the convention control mode controlled parameter and its the control effect. and uses the neural network inversion control method based on this, recognizing and controlling leveling system and has carried on the training and the computer simulation to it

    依據其控制模型，文中進行了直接反饋控制、常規數字pid控制系統的模擬模擬，確定了常規控制方式的控制參數及其控制效果，並在此基礎上採用神經網路逆控制方法，對調平系統進行辨識和控制，並對其進行了訓練和計算機模擬。
  17. An auto - leveling system is available as an option, which, when activated, will automatically raise the drill to a level operating plane at the lowest possible elevation for good machine stabili - ty

    另有自動調平系統選件可供，啟用該選件時，即會自動將爆破鉆提升到一個盡可能低的水平操作平面，以獲得良好的機器穩定性。
  18. Els electronic suspension levelling system

    懸架電子自動調平系統
  19. In the last the static and dynamic performance of the 50000kn hpsraf was calculated and analyzed

    最後，對50000kn汽車大樑液壓機同步調平系統的靜態和動態特性分別進行了計算、分析。
  20. This paper class the leveling system of the asphalt payers in common use, analyze and compare the configuration characteristic, the work principium and the work performance of the most kinds of the leveling benchmark, and explain what should be pay attention to when they are used

    摘要對目前實際施工中常用的調平系統進行了分類，並對各種調平基準的結構特點、工作原理和工作特性進行了分析和比較，說明了不同調平基準實際使用的范圍。
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