效率軌跡 的英文怎麼說

中文拼音 [xiàoguǐ]
效率軌跡 英文
efficiency locus
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 率名詞(比值) rate; ratio; proportion
  • : Ⅰ名詞1. (路軌;軌道) rail; track 2. (比喻辦法、規矩、秩序等) rut; path; course Ⅱ動詞[書面語] (遵循; 依循) follow
  • : 名詞1 (留下的印子; 痕跡) mark; trace 2 (前人遺留的建築或器物等) remains; ruins; vestige 3 (...
  • 效率 : productiveness; efficiency; productivity; workpiece ratio
  • 軌跡 : 1 [數學] (某點在空間移動的路線) locus; trajectory; trail; travel; path; way; [電子學] trace; li...
  1. We put forward an algorithm for self - discrimination of island relation and an automatic intersected method of the region machining unit, which can judge the relationship among any plane obturate contour line effectively and swiftly. we also study the tool path generation technology of two - dimensional machining, basso - relievo machining, three - dimensional lifting - pen machining. meanwhile, we put forward an optimize approach of tool path, which improve the efficiency of engraving

    研究了圖像的刀具路徑生成技術與規劃問題,提出了基於射線的島嶼關系自動判斷和區域加工單元的自動分割方法,有、快速地判斷了平面任意封閉輪廓線之間的關系,研究了平面任意區域填充加工、浮雕加工、三維提筆加工的刀具路徑生成的技術,提出了刀具路徑優化方法,提高了雕刻加工的質量和
  2. In addition, the trajectories of oil droplets entering the hydrocyclone were computed by using the particle obit model. thereby the separation efficiency of the hydrocyclone can be obtained

    另外,本文用顆粒道模型計算了進入水力旋流器的油滴顆粒運動,在此基礎上,得出了水力旋流器的分離曲線。
  3. Orientation weighting restricts the direction of trajectories by predicted candidate trajectories and shrink ferret window, and reduces the amount of calculation. truncated sequential probability ratio test ( tsprt ) is also a algorithm of tbd, it can improve calculation efficiency by multistage thresholds to truncate tree - structured list of candidate trajectory of low degree of confidence

    截斷序貫似然比方法也是一種tbd檢測的方法,其通過多級門限截斷置信度較低的樹達到提高的目的,在動態規劃中加入該演算法,使之積累的數減少,降低了計算量和存儲量。
  4. The system realizes multiple serial port communication and management by way of multi - port serial board ( 2 ) use the database technology to manage and manipulate the physics information data of nc tool. the basic information management system, the nc program auto - create system, the simulation of cutter working and dnc communication program are integrated to one system. it realizes the offline programming and controls of no - punched tape, helps to cut short the supplementary cutting time and improves the efficiency of to program and machine tools and realizes the separation and seamless connection of program and manufacture

    本課題以硬體為輔助手段,以軟體為主要手段實現了以下功能:以串口擴展卡來實現網路中多臺數控機床的通信和管理;使用數據庫技術對數控機床的物理信息進行管理和操作,將數控機床基礎信息管理系統、 nc程序自動生成模塊、刀具加工模擬模塊和dnc通信介面模塊集成為一體,實現了數控加工的離線編程和數控系統的無帶控制,提高了編程、質量,縮短加工輔助時間,提高了機床的,既實現了編程和加工的分離,又達到它們之間的無縫連接。
  5. Although the robot has powerful functions, it is limited to use widely due to specific program, running cost and investment cost etc. aiming at improving the welding efficiency and quality and extending the application fields, in this thesis the images of welding path were obtained by non - contact ccd digital imaging technique and were recognized

    雖然焊接機器人功能較強,但由於專用程序、運行成本、投資成本等因素限制了機器人的大量應用。本課題為提高數控氬弧焊機的焊接和焊接質量,擴大焊接范圍,採用非接觸式的ccd數字成像技術,獲取焊接圖像,並對其進行識別。
  6. On the base of choosing proper model and designing route, it uses cad and probes into an efficient and easy design way to enhance design efficiency and shorten design periods. it brings in the way of multiple - objective optimization and gives proper optimization model and algorithm to get a comparative satisfying result. and it applies system simulation to cable crane design and gives the simulation model and arithmetic of the freight track

    本文針對此問題,引入現代的設計方法:在選取合適的模型和設計路線的前提下,運用計算機輔助設計,研究探討高便捷的設計方法,大大的提高設計,縮短設計周期,節約成本;引入多目標優化的思想,提出合理的優化模型,給出了實現演算法,得到了比較滿意的結果;引入系統模擬的設計理念,給出了荷重的模擬模型實現演算法和程序,對荷重進行了計算機模擬,提高了纜索起重機布置的和質量,提高了生產的安全性。
  7. In the thesis, tracks programming of the cutting contact points are described in detail for the above two machining methods, including the key techniques of the determination of path interval and step length, the calculation of cutting contact point, and the interference disposal of the part boundaries and the island, which provide the foundation for the improve of the blades " machining efficiency and quality

    本文詳細介紹了上述兩種加工方法中切觸點規劃問題的實現,其過程包括走刀行距的確定、走刀步長和切觸點的確定、邊界的確定和干涉處理、島嶼干涉問題的解決等關鍵技術,為提高葉片的加工和質量奠定了基礎。
  8. The track in leading line is redesigned for its acute curvature change, which is the bottleneck during spiral machine. the new track has avoided blade ' s gnaw and tool swaying. and a new track with high quality is calculated

    針對高速螺旋銑的加工瓶頸部分? ?緣頭處曲劇烈變化的幾何特徵,重新設計了緣頭處的走刀,避免了緣頭處的啃切與刀軸晃動,計算出高質量的多坐標加工刀位
  9. In the research task supported by the key technologies r & d program in the 9th five - year plan of jiangsu province, the study focuses on the nc milling programming software development method and the corresponding algorithms on the basis of acis. by using the development interfaces provided by acis, the author has made some innovation to tool path generation algorithms. based on acis, a new set operation method of loops is presented in this paper

    藉助acis提供的開發介面實現對一些刀具生成演算法的創新:提出了一種基於acis的環集合運算方法,該演算法充分利用了acis的功能,使演算法實現過程大大簡化,並提高了演算法;設計了一種加工區域識別演算法,該演算法可以識別出由存在復雜嵌套關系的多個型腔環和島嶼環組成的零件幾何模型中的待加工區域;提出了一種實體精加工刀具生成演算法,該演算法可以自動計算出待加工零件在一個加工方向上所有的刀具,從而在某些情況下,大大方便數控編程人員完成nc代碼的生成。
  10. To make pic ( particl - in - cell ) simulations. to set up models of guns and magnetic field and simulate them in the vacuum and plasma, respectively. we found that plasma held back part of space charge effects and improved trajectory of electrons. but beam would oscillate and became instable as accretion of plasma density. by simulating again and again, we draw a conclusion magic could n ' t work when plasma density was more by far than beam electron density. at last a four - stage depressed collector was simulated

    建立電子槍和聚焦系統模擬模型,分別在真空和填充等離子體條件下進行模擬。發現填充等離子體能補償部分空間電荷應,改善電子束包絡,提高電子的流通,但是隨著等離子體密度的增大,束電子會出現振蕩不穩定性,遺憾的是通過反復多次模擬發現本文所用粒子模擬的代表性軟體magic無法用於模擬等離子體密度遠高於束電子密度的情況。
  11. In this thesis the problem of low efficiency in blade ' s manufacture is solved based on one new nc scheme : spiral machine. the technics control parameters and track - making algorithm during blade ' s spiral machine are designed in detail. multi - coordinates tool point calculating formulas are deduced, which can be used in multi - kind control parameters

    本文基於螺旋銑新工藝方案有的解決了葉片數控加工中的低下問題,詳細設計了葉片螺旋銑多坐標加工中的工藝控制參數和生成演算法,推導出適用於多種控制參數的螺旋加工編程的多坐標刀位點計算公式。
  12. ( 3 ) study deeply the structure of fat 16 file system and the characteristic of flash disk, and develop the file management software of flash disk to manage nc files effectively according to the management idea of fat 16 file system. ( 4 ) research the module and protocol of reliable communication in serial network, which are composed of arm main control board, dsp motion control board, keyboard board, i / o control board and encoder signal collection board, and then develop communication software of the serial network. ( 5 ) study the principle of displaying char in lcd and the method of embedding font library into operating system, and research deeply the method of embedding chinese font library into os in the light of the characteristic of chinese

    本論文的主要研究內容如下: ( 1 )研究uc os -實時嵌入式操作系統在硬體平臺上的移植及其佔先式內核的任務調度原理,合理分割銑床控制系統的管理任務,根據任務的要求賦予不同的優先級和調度時間,保證任務的執行和實時性; ( 2 )開發底層設備驅動程序和應用程序介面( api )函數,以便於進行系統應用軟體的開發; ( 3 )深入研究fat16文件系統的結構和固態盤的硬體特性,參照fat16文件系統的管理思路,開發固態盤文件管理軟體以有管理nc代碼文件; ( 4 )深入研究由arm主控板、鍵盤板、 i o控制板、編碼器信號採集板等裝置組成的串口通訊網路可靠通信的模型及其通訊協議,開發串口通訊網路通信軟體; ( 5 )研究字元的顯示原理和在操作系統中嵌入字庫的方法,在此基礎上結合漢字的特性深入研究中文字庫的嵌入方法,開發中文字庫嵌入軟體,滿足開發操作界面的信息要求; ( 6 )深入研究三維圖形坐標變換的原理,開發實用的三維加工顯示軟體,便於操作者對零件的加工過程進行監控和診斷。
  13. Following, making development study from the three directions : the first one is how to reduce calculation when to use markowitz model. this text has improved the efficient frontier of markowitz model utilizing free risk assets, and reduced calculation about revenue rates " co - variance matrix utilizing single or multiple factors, and so on. the second one is to add thinking factors about, such as transaction fee, fund limitation, lowest transaction unit ' s limitation, risk measures and exchange rate risk of international portfolio securities, so as to make markowitz model closer to our country ' s practice

    接著,分三今方向對markowitz模型進行了拓展研究:第一個方向是運用markowitz模型時如何減少計算量,本文利用無風險資產來改進markowitz模型的有邊界,利用單因子或多因子模型來減少收益協方差的計算量等等;第二個方向是增加考慮因素,諸如交易費用、資金限制、最小交易單位限制,風險測度和國際組合證券的匯風險,使markowitz模型更貼近我國的實際;第三個方向是對markowitz模型進行動態拓展研究,提出了將證券收益看成是隨機序列時的投資決策模型,深入研究了m ? v有邊界隨資產品種數增加而發生的漂移,並用解析方法和幾何圖形描述了漂移的和方向。
  14. Send the real - time position, velocity of the moving object. received by gps oem caxd, associaied with the status information of the vehicle devices, to the monitoring centef, by way of the mobile conununication network. the monitoring system, based on some gis software, displays the tracks of the mobile objects on the eiectronic map, and users could supervise and query their iaterested parameters such as the location or velocity of the vehicle, the general information of vehicles, as so on, so that provide bases for vehicle management, improve the efficiency, or assure vehicles against accidents

    車輛監控系統是its的重要組成部分之一,它將全球衛星定位技術、地理信息技術( gis )和現代通信技術結合在一起,通過將裝有gps接收機的移動目標的動態位置、速度、狀態等信息,實時地通過無線通訊鏈路傳送至監控中心,在具有強大的地理信息查詢功能的電子地圖上進行移動目標運動的顯示,並可以對目標的準確位置、速度、運動方向、車輛狀態等用戶感興趣的參數進行監控和查詢,為調度管理提供可視化依據,提高車輛的運營,確保車輛安全。
  15. This article aims to find some practical methods to reform and optimize credit risk management structure of state - owned commercial banks. during my research process, i collected abundant relevant materials, combed the materials to abstract main clue, and also did powerful analysis with case demonstration, all of which will be reflected in the main body of this article. this article can be divided into three correlated parts : in the first one, it reviews the evolution history of the loan credit risk management of the four state - owned commercial banks, which rationally leads to the discussion of the loan credit risk management reform in the following part

    正文希望提供關于國有商業銀行貸款信用風險管理的較為全面的觀察視野,並致力於勾勒清晰的沿革路線和遵循嚴密的論證邏輯,為此,本文分為三部分進行論述:首先本文梳理概括我國國有商業銀行貸款信用風險管理的歷史沿革狀況,提供有關國有商業銀行貸款信用風險問題的基礎信息,簡要分析國有商業銀行龐大不良貸款和畸高不良貸款比的歷史成因,探討了近幾年以來貸款信用風險管理改革舉措與成,以清晰說明貸款信用風險管理改革的時代背景和歷史,為進一步論證奠立事實根基和案例基礎。
  16. With the progress of the information technology and the development of the global manufacturing techniques, enterprises require more efficient and lower cost machine tools by reason of enhancing their competitive ability. but conventional machine tools will encounter many difficulities which are hard to overcome in the future, for instance of high - speed machining ( path speeds exceeding 50 m / min ) and high - efficient space curved surfaces machining as well as flexibility of machines

    隨著信息技術的進步和全球化製造技術的發展,企業為了提高自身的競爭力,要求配置更高和成本更低的加工設備,而傳統機床在未來的加工業中會遇到難以克服的困難,例如在高速加工(速度達到50m min )和高空間曲面加工及機床的通用性方面將無法滿足現代加工技術的要求。
  17. Based on the above algorithm, a preprocessing software system special for computer simulation of sheet metal forming processes has been developed. for giving cad model of tool surfaces, the algorithm provided in this paper can fully automatically generate quadrilateral finite element meshes from nc track points of tool surfaces, which include the punch, the blank holder, the blank and the die

    對于給定的cad模型,本文通過cam數控編程獲得的nc,能夠自動生成沖頭、壓邊圈、板料和凹模的全四邊形網格,避免了基於cad模型網格生成演算法通常所需的幾何修復時間,大大提高了cae建模,降低了建模勞動強度。
  18. This system can be used in other plane welding when working with the corresponding jig and rational welding craft arrangement, and this makes numerical welding machine becomes more efficient and flexible by changing nc codes according to different welding path and resolves the contradiction between process automation and process cost in some extent

    通過配合相應的夾具,合理的焊接工藝安排順序,該系統可以應用於其他平面焊接加工場合,數控焊機可以並根據焊接及時更改加工代碼,提高設備的焊接適應性和焊接,一定程度上解決了自動化成本和加工之間的矛盾。
  19. To resolve the question of tracking highly maneuvering targets in clutter with different sensors, the theory of multi - sensor data fusion and algorithm of joint probabilistic data association have been analyzed in depth. in this thesis, with the using of matlab simulating tool, it accomplished the tracking of three maneuvering targets in clutter and completed the algorithm emulation of every phase in multi - target tracking. from the satisfied result of simulation, the validity of target tracking algorithm in whole data fusion system has been proved

    論文針對多雜波環境下的高度機動目標,依據多傳感器數據融合的理論基礎,基於目標跟蹤領域中的概數據關聯演算法,對於三個機動目標在雜波環境下的進行跟蹤,並在matlab環境中,完成了多目標融合跟蹤各個階段的演算法模擬,取得了滿意的模擬結果,從而證明了整個系統的數據融合目標跟蹤演算法的有性。
  20. Abstract : a modified droplets trajectories analysis model is established for the efficiency estimation of liquid - liquid hydrocyclones based on the single vortex field theory

    文摘:在單渦流場理論基礎上建立了一種改進的油粒模型,用以預測油水旋流器粒級分離
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