零點方案 的英文怎麼說

中文拼音 [língdiǎnfāngàn]
零點方案 英文
zero option
  • : Ⅰ數詞1 (零數) zero2 (數的空位) zero sign (0); nought 3 (表示沒有數量;無) nil; nought 4 (...
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 名詞1 (長桌) table; desk 2 (案件) case; law [legal] case 3 (案卷; 記錄)record; file 4 (提...
  • 零點 : null point; zero end; zero point; zero; zero hour; null (函數或曲線的)零點標準(額) the nil no...
  • 方案 : scheme; plan; programme; project; proposal; suggestion; formula; scenario; outline
  1. The gravity analysis is carried out especially for the synthetic fused silica and calcium fluoride used in 193nm lithographic objective as well as the optical elements with structural sizes of ( 200mm ~ ( 300mm. large numbers of analysis data for surface shape error are obtained by using algor finite element analysis software. then these data are plotted into curves and comparison analysis will be carried out, finally the measures and schemes for reducing gravity deformation are proposed

    因此,本論文重對大口徑光學系統在高精度光學鏡頭裝校中,因重力變形進行了詳細的分析研究,特別針對193nm光刻物鏡系統所使用的材料sytheticfusedsilica和caleiumfluoride以及用到的結構尺寸200mm ~ 300mm光學件進行了重力變形分析,使用algor有限元分析軟體獲得了大量的面形誤差分析數據,然後將這些數據繪成曲線進行對比分析,最後提出了減小重力變形的措施與,並進行了實驗,驗證了分析結果是正確的,減小重力變形的法是有效的。
  2. Secondly, the mixed h2 / h control is formulated as a game problem of incomplete information, a suboptimal 2x2 non - zero game model is constructed, where two channels are chose as players and h2 and h control are pure strategies, and an algorithm for mixed h2 / h control, which is based on the nash ' s bargaining theory, is derived to achieve the nash equilibrium point. finally, handling stability, ride comfort and steering handiness are related with vehicle suspension system and electrical power steering

    其次,基於對策論把h _ 2 h _混合控制問題抽象為兩個對局者信息不完全情況下的非和博弈模型,在以次優范數值構造的2x2非和博弈模型中把兩類通道作為參加博弈的兩,以h _ 2和h _控制作為兩種純策略,基於納什談判解原理設計出求解h _ 2 h _混合控制問題納什均衡的演算法。
  3. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機燃燒室的冷卻通道設計為斜航線(等傾角螺旋線)槽形,可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工式.針對這些特,提出了五軸控制、四軸聯動的數控片銑刀銑削加工法.由於燃燒室外表面的母線輪廓復雜,手工編制數控加工程序難度大.為了解決數控加工程序的編制問題,研究了斜航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大,加工難度大,是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削式和向、刀具調整和起刀的設置等多項實際的加工.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻通道加工法的正確性和可行性.這些加工技術的研製成功,對其他相似類型件的加工亦具有參考意義
  4. In general, a precise resistor is in series with one of the resistors in wheatstone bridge to compensate the zero offset, and the other one is in parallel with another arm of the wheatstone bridge to compensate thermal zero drift. based on this principle, in this paper, a compensation method based on virtual instrument technology has been put forward. actuated by current source, a good calculation method of compensation resistors and their position in the bridge is deduced

    本文基於串並聯電阻補償法的原理,提出了一種基於虛擬儀器的誤差補償,推導了在恆流源供電下可以精確的計算出補償電阻大小和補償位置的演算法,並且在虛擬儀器軟體平臺labview上完成了數據採集、處理、顯示等軟體的設計,經過實驗的驗證,對傳感器的溫度漂移補償取得較好的效果,而對靈敏度溫度漂移的工藝補償亦有一定的效果。
  5. In the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load

    針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題,提出將氣平衡改造成工作可靠的重力平衡的,並確定了改造的三個原則:一是保證整機的可靠性,使抽油機運轉平穩,振動噪音小,壽命長;二是力求降低生產成本,減少部件製造,盡可能選用原來的通用件,捨去平衡缸和空氣包等氣平衡附件,在原往返架主體上懸掛一個配重箱;三是力求不改變沖程、沖次及最大懸載荷等主要技術參數。
  6. Abstract : in the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load

    文摘:針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題,提出將氣平衡改造成工作可靠的重力平衡的,並確定了改造的三個原則:一是保證整機的可靠性,使抽油機運轉平穩,振動噪音小,壽命長;二是力求降低生產成本,減少部件製造,盡可能選用原來的通用件,捨去平衡缸和空氣包等氣平衡附件,在原往返架主體上懸掛一個配重箱;三是力求不改變沖程、沖次及最大懸載荷等主要技術參數。
  7. To resolve the situation that the sensitivity of present ground fault protection schemes is low for the large - sized hydro - generators, a kind of protection scheme based on the fault component of third - harmonic voltage and two kinds of protection scheme based on the fault component of zero - sequence voltage at the terminals and neutral are developed, and they can obtain higher sensitivity and reliability and provide 100 % protection for the stator windings. the influence of noise on the stator ground fault protection based on the local modulus maximum of wavelet transform is analyzed

    針對目前大型水輪發電機定子繞組單相接地保護靈敏度偏低的問題,通過分析單相接地故障后機端和中性序電壓的變化特,提出了一種基於機端和中性三次諧波電壓故障分量和兩種基於機端和中性序電壓故障分量的高靈敏度、高可靠性保護,並實現定子繞組的100 %保護。
  8. Therefore, based on the key project ? esearch on some basic problems on quality control and source tracing in modern manufacture ? ( no. 59735120 ) sponsored by national natural science foundation, a deep research is made in this dissertation its branch subject ? the theory and technology of zero - waste control. the main work and achievements are as follows : 1. on the basis of the introduction of common quality control methods, some key problems about statistical quality control are elaborately discussed ; a method to decide the quality control line is developed ; a mathematical model based on the sampling plan of multi - variation of product quality is set up ; the process manufacturing condition of quality control chart is discriminated using the theory of fuzzy diagnosis

    為此,本文基於國家自然科學基金重資助項目「現代製造質量控制、溯源若干基礎問題的研究」 (項目編號: 59375254 ) ,重對其中的子課題? ?廢品控制理論和技術進行了深入的研究。論文的主要工作和取得的成果如下: 1在介紹了常用質量控制法的基礎上,對統計質量控制的幾個關鍵問題進行了詳盡的討論,提出了質量控制界限的確定法,建立了基於產品質量多變異的抽樣的數學模型,利用模糊識別理論對質量控制圖工序加工狀況進行了判別。
  9. Based on the author s years experience, the article makes a sys tematic description of the theoretical basis, principles and attention points in practices for application of the principles of aesthetic judgement and feeling in many aspects such as management, self - beauty modeling of professional workers, beautifying the environment, aesthetic judgement of beauty - seekers, planning t he clinical practice

    筆者根據多年的經驗積累,系統地闡述了將審美及美感原理運用於美容醫學管理,專業人員自身美的塑造、美容醫學環境美的創造、求美者的審美評價、臨床治療的制訂、實踐等面應用的理論依據、應用原則及其實踐中的注意,強調這種應用是全面、系統、深入的,而不是星、片面、膚淺的。
  10. In order to improve the quality of the voltage signals, this paper has adopted the scheme of three phases and six organs in signal - generator part, which can eliminate the errors caused by the assembly warp and the zero shift of organs. this paper also has analyzed the distribution and varying rules of the magnetic field in the signal - generator part, then based on the conclusion of the analysis improved the structure of signal - generator, which could completely eliminate the noise signal caused by the roughness of the face on the magnetic steel ring. the improvement not only met the requirement of this study, but established the theory foundation for the super - high precision magnetic encoder in future research

    因此,為提高原始電壓信號的質量,本文採用三相六元件的信號發生,通過差分處理濾除了由於裝配偏差和漂移帶來的信號誤差;本文對編碼器信號發生結構進行了磁場分析,依據磁場分析的結論對編碼器常用的信號發生結構進行了改進,改進后的結構利用積分原理在理論上能夠完全消除信號中由磁鋼環表面粗糙度引起的信號噪聲,進一步提高了信號質量,此結構不僅滿足了本課題的需要,而且為今後研製超高精度的磁電式編碼器奠定了理論基礎。
  11. In the development of software development, we don " t begin with blank, but base it on the current work, making the best of the knowledges of the experiences accumaleting from the past, therefore, we can implement knowledge share

    軟體復用是在軟體開發中避免重復勞動的解決,出發是應用系統的開發不再採用一切「從開始」的模式,而是以已有的工作為基礎,充分利用過去應用系統開發中積累的知識,實現知識共享。
  12. Then it is possible to realize high compression ratio of images. in this paper the principle of which wavelet transform can be used in images compression is discussed on basis of statistics and analysis of image ' s wavelet coefficients after wavelet decomposition. also some kinds of quantify and coding schemes are discussed including scalar quantization, vector quantization, embedded zerotree wavelets encodings run length coding, huffman coding and so on

    論文對圖像經分解后的小波系數進行統計與分析,闡述了小波變換所以能夠用於圖像壓縮的道理,並在此基礎上討論了多種量化和編碼的設計與實現,包括標量量化、矢量量化、嵌入小波樹編碼、行程編碼、哈夫曼編碼等,其中對jpeg2000採用的標量量化和嵌入小波樹編碼作了重討論和分析。
  13. The research job includes bringing a project about fault calculation, using node impedance matrix as maths model of network to derive the arithmetic based on the fundamental of modifying impedance matrix by adding the branch, building the whole database with micosoft access. the whole project is realized with visual c + + 6. 0. it is applied to au hui electric network, and is proved correct

    本文首先根據系統的要求,綜合考慮各種運行式變化,提出合理的序電流,分支系數的計算;然後採用節阻抗矩陣作為系統的數學模型,推導出基於支路追加法的阻抗矩陣快速補償優化演算法,從而實現計算;最後以micosoftaccess為工具設計出完整的故障計算數據庫。
  14. This paper deeply analysis the production management problems existing in the xac metal sheet part manufacturing workshop, and from the viewpoint of the computer aid production management, using the advanced management mode and integrating the aircraft part production characteristics, analysis and studies the integrated management of the manufacturing information, the organizing of the production plan and the control of the production process of the part manufacturing workshops that are under the cims environment, and also applies concrete system analysis, promotes general design plan and model establishing method

    本文主要是對西飛公司鈑金件製造車間目前存在的生產管理問題進行了深入細致的分析,進而從計算機輔助生產管理的角度出發,運用先進的管理模式,結合飛機件生產的特,討論和研究了基於cims環境下件製造車間製造信息的集成管理和生產作業計劃的組織和生產過程的控制,同時進行了具體的系統分析、提出了總體設計的和建模法。
  15. After several typical foreign desktop systems had been studied, mem ( melted extrusion manufacturing ) process was chosen as the molding process of the first rapid prototyping desktop system in china, mem200 - d, which combined our technical advantages and design experiences. by using the mechatronic design and modularization method, the system scheme design, layout design and part / assembly design have been achieved

    作者在研究了國外多種典型的桌面化快速成形系統的工藝、特之後,結合自身的技術優勢和設計經驗,選擇熔融擠壓製造工藝( meltedextrusionmanufacturing ,簡稱mem )作為國內第一臺桌面化快速成形系統mem200 - d的成形工藝,同時應用機械電子學產品設計法,結合桌面化快速成形系統的特,以模塊化設計思想完成了mem200 - d桌面化熔融擠壓成形系統的總體設計、結構布局設計和部件設計。
  16. These solutions ? designed to improve service levels and operating efficiency for retailers ? include point - of - sale terminals, barcode scanners, electronic shelf labeling, kiosks, applications software and self - checkout systems

    這些旨在改善售商的服務水平和運營效率,包括銷售終端、條碼掃描儀、掃描儀定標、電子價簽、自助服務亭、應用軟體及自動檢測系統。
  17. The first part of the paper is designing the testing project for grounding resistance and insulation resistance in a new way. using 16bits ad converter with programmable control amplifier replaced the way which used changing resistance to change measure range. lt is not only improved testing precision and develop the system expediently, but also reduced the area of the circuit boardwith the new way. in order to make the electric implement safety testing system have upstanding expansibility, the software and hardware of the system adopted the modularization design. adopted mcu atmegal28 as a master mcu which control mmi, realtime clock and communication with slaver mcu. atemga8 as the slaver mcu to realize testing function. so it is easy to add or reduce the testing project. the testing implement system has been developed successfully, and the comments for the system is that it has high precision, high expansibility and easy maintain. but considering the electric implement system should have intelligence and humanity abi lity. so this paper bring forward a scheme of electric equipment safety testing embedded system with speech control. after introduce the basic theory of speech recognition, the paper expatiate the characters of this system. the system is a noise conditon, not special people, small glossary, insulation word system. with these characters design the speech recognition as fellow. utilizing cross zero ratio and short energy to ensure jumping - off point and end point ; adopting mfcc as the character parameters of speech recognition ; the character parameters than be recognized by dtw. in order to ensure the credibility of this project, first realized by matlab in computer

    在介紹了語音識別的基本原理后,闡述了本系統的特:本系統是一個噪聲環境下非特定人、小詞匯量、孤立詞的語音識別系統。根據本系統的這些特設計了如下語音識別:利用過率和短時能量相結合的式確定語音端;採用mel頻率倒譜系數( mfcc )作為語音識別的特徵參數;得到的特徵參數最後通過動態時間規整( dtw )的模式識別法進行識別。為了確保本系統實現的可靠性,首先通過計算機利用matlab軟體來模擬,在演算法模擬實現后又進一步增加環境的復雜性:加上較大的環境噪聲、突發性的噪聲等,再通過修改參數、修改參考模板、兩級識別等各種提高語音識別精度的法來提廣東工業大學工學碩士學位論文高識別率。
  18. An authentication server provides a sen ice in the system to verifying whether a requested subject is genuine and also for the identification of every involved information the participants required

    本文異地協同工作的特,提出了協同產品開發中基於互動式知識證明的身份認證協議,井可將其由一個識別轉化為一個簽名
  19. The author is absorbed in research on technology of coprocessor design. in the floating - point addition the paper proposes a carry chain of dynamic and static mixed circuits and a good balance between speed and area of predicting leading - zero logic circuits, considering algorithm and construction of logic circuits. an approach of micro program controller design for coprocessor is put forward and a test bench is given to verify its function

    筆者研究協處理器的設計技術,在浮加法器中提出動態與靜態結合設計進位鏈的以及前導預測面積與速度的折衷法;在微程序控制器的設計中提出一種協處理器微程序控制器的設計法,並且給出其功能驗證的測試平臺。
  20. At last, the experiment result proved the effectiveness of the spectrum rebuilding technology. the experiment result show that the wavelength detection accuracy is improved by an order of magnitude using the spectrum rebuilding technology compared with that obtained from direct peak search. some other schemes to enhance the accuracy are illustrated

    最後列舉了其它幾種提高測量精度的,包括關鍵器件可調諧濾波器的位置變化提高信噪比,調整探測器pinfet的輸出電壓的以提高a / d採集卡的利用率,以及採用系統參考消除系統誤差造成的波長漂移。
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