經驗正確性 的英文怎麼說

中文拼音 [jīngyànzhēngquèxìng]
經驗正確性 英文
empirical validity
  • : 經動詞[紡織] (把紡好的紗或線梳整成經紗或經線) warp
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 形容詞1. (符合事實; 真實) true; reliable; authentic 2. (堅固; 堅定) firm
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 經驗 : 1 (由實踐得來的知識或技能) experience 2 (經歷) go through; experience; 經驗教訓 lessons from ...
  • 正確性 : accuracy
  • 正確 : exactness; correct; right; proper; rightness; rectitude; validity
  1. 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、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.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.過理論分析和實際切削實,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已成功地加工了數十個合格工件.過兩年多的實際生產過程應用,證了所開發的斜航線冷卻通道加工方法的和可行.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義
  2. 2 ) linking the classical control theory with practice, it tries drawing a sententious and practical conclusion by optimization. correctness is proved by emulation with robust toolbox of matlab. 3 ) in view of the complicacy of the circuits, it optimizes reactive compensation by equivalent area theorem and programs by c. it has been used in practice and gets good benefit

    2 )結合多年工作和一些典控制理論對幾種典型負荷網路的補償容量、補償位置進行優化,尋求比較實用、可行的結論,並對其進行基於matlab的模擬,證明其、可行,使其具有更廣的應用
  3. 1, q 3, and at last prove the exisitence of ( q, m + n, n, m ) resilient functions when n > q ? 1. intelligentized ids methods, which can make the system more adaptability and self - studying, are important research directions of ids so far. in order to make the ids systems have better identifying ability and efficiency against new intrusions, we propose the intrusion feature extra - ction algorithm based on ikpca by studying the different kinds of intrusion detection feature extraction algorithm based on unsupervised learning, and then theoretically analysis the conver - gence of the algorithm. in addition, we validate the validity of the algorithm by means of experim - ents ; at the same time, through studying ica and neural networks, we propose fastica - nn ids, and then test the kddcup99 10 % date set to make comparison of kpca 、 ikpca and fastica algorithms in intrusion detection advantages and disadvantages

    為了使入侵檢測系統對新的入侵行為有更好的識別能力和識別效率,本文在研究了各種基於無監督學習的入侵檢測特徵提取方法的基礎上,提出了基於增量核主成份分析( ikpca )的入侵檢測特徵提取方法,並對該方法進行了收斂分析,同時結合模擬試對其進行了證;另外,本文通過研究獨立成份分析和神網路,提出了基於快速獨立成份分析和神網路的入侵檢測方法( fastica - nnids ) ,並通過對kddcup99的10 %數據集的檢測比較了核主成份分析( kpca ) 、增量核主成份分析( ikpca )和快速獨立成份分析( fastica )在入侵檢測特徵提取方面的優缺點。
  4. As far as time cost and accuracy are concerned, this criterion based on waveform discernment is superior to the traditional one based on the transmission line voltage amplitude sampled after breakers work and has been verified its exactness by dynamic emulation

    所提判據在時間和準上要優于傳統的基於故障后線路開關開斷后故障線路殘壓幅值的判別法,並動態模擬證了其
  5. Combining achievements in past scientific research, this thesis summarizes some problems in the process of decreasing water, the problems contains : important parameters such as percolation coefficient, interfering radius etc ; designers get parameters from their experience and make their choice of limited prospecting materials too simply, because of the limits, designer ca n ' t make quantitative analysis on groundwater ; differences on breakwater effect of setting water - tight screen is still existed, although research evolvement in this field is done ; they ca n ' t grasp the hydrogeology parameters accurately in that it influences rightness of designing in deep excavation water - decreasing

    本文結合以往的研究成果,總結了降水過程中存在的一些問題,主要包括:重要設計參數,如地層滲透、基坑降水影響半徑等,設計中僅從個人出發取值,對有限的勘探資料進行取捨和過分地簡化。這些局限使設計者不能對地下水進行科學的定量分析,盲目較大;深基坑降低承壓水引起的周邊地面沉降的研究雖已取得很大的進展,但是一些主要問題仍未解決,對防滲帷幕的實際擋水效果存在不同看法;對於弱透水層的水文地質參數一直難以準把握,影響了深基坑降水設計的
  6. Thirdly, the paper researchs the application of single electron transistor and the synthesis theory of cicuit based on quantum dot cellular automata by synthesis example of quantum cellular neural network based on build schr ? dinger equation of coupling quantum dot. at last, the paper researchs digital integrated circuit design based on quantum dot cellular automata and design a 8 - bit quantum dot cellular adder by qcadsign based on a method of majority logic reducetion for quantum cellular automata, it prove this designer of 8 - bit quantum dot cellular adder is correctly

    Dinger )方程為基礎的量子點細胞自動機電路綜合理論,本文以量子細胞神網路為綜合實例,建立耦合量子點的薛定鄂( schr ? dinger )方程組,通過化簡得到類似細胞神網路的非線電路方程。最後研究了基於量子點細胞自動機數字集成電路設計,通過建立邏輯方程,簡化邏輯方程,並設計基於精簡qca擇多邏輯門8位加法器,並用qcadesign進行了模擬,實證明設計
  7. As a result, the studying aim of this paper is to establish a practical and complete system for the prediction of ship maneuvering motion, taking into account of the influence of the environmental factors, such as the wind, wave and current, establish a practical and complete system for the prediction of ship maneuvering motion. in this paper, the opengl virtual reality simulation technique is introduced into the field of ship maneuver and control, and using the mmg mathematical model, the three dimensional dynamic simulation system of the ship motion is established and good results are achieved. in the process of the system development, firstly, the maneuvering motion equations for ship in the still water are established, based on the mmg module mathematical model and serial experimental result

    在系統開發過程中,首先採用mmg分離式數學模型及相關的系列化試結果,建立單槳單舵海洋運輸船舶在靜水中的船舶操縱運動方程,並編制計算程序,與試結果比較,證實了計算結果的;為了解mmg數學模型中模型參數變化對操縱指數的影響程度,作者在上述已有程序基礎上,對有關模型參數進行偏移修,探討了相應參數變化后的操縱指數,對船舶操縱指數對模型參數的靈敏度進行了詳細的分析與探討,所得結論與工程實際相吻合,具有實際應用價值,並為進一步提高船舶操縱預報的精度打下了基礎;然後,在已有的船舶靜水操縱運動模型基礎上,考慮雙槳雙舵的影響,建立了內河雙槳雙舵船舶的操縱運動模型;最後,綜合考慮風浪流作用力的影響,進行了船舶的操縱運動模擬計算。
  8. Innovation of the aero maintenance system based on augmented reality ( ar ) technology and eye tracking technology, which can give real - time instruction for maintenance, is vital for enhancing the accuracy of maintenance and reducing the cost of maintenance. in the paper, the study work include 3 sections, as following : firstly, deducing 3d registration algorithm based on markers, depicting the display and 3d display technologies of artificial matters, and realizing 3d registration function specifically ; secondly, establishing an eye - movement measurement system based on the infrared television method, making use of the thoughts of ranks superimposition to withdraw the pupil center coordinates, and giving the thaught of recombining the position relation of purkinje spot to determine the eye sight direction primarily ; finally, describing the basic theory of augmented reality maintenance guiding system in detail, and introducing the software function and hardware frame, which will provide the foundation for the further study of this system

    本文的研究工作主要包括以下三個部分:首先,改進了有標志點的三維注冊演算法,並具體實現了三維注冊功能,最後試證了注冊演算法的,為將來基於無標志點的發動機維修誘導系統的研究提供基礎和實踐;其次,描述了基於紅外電視法的視線跟蹤系統的基本原理,對眼動信號處理技術做了初步的研究,即利用了行、列疊加的思想提取了瞳孔中心坐標和普爾欽( purkinje )斑點的坐標,闡述了結合瞳孔中心與普爾欽( purkinje )斑點的位置關系進行初步判定視線方向的方法;最後,詳細描述了所構建的增強現實維修誘導系統的基本原理、軟硬體框架,為今後維修誘導系統的深入研製提供基礎。
  9. This ga - bp network model was used to study the technological disciplinarian of the ball mill process. lastly, the important guidelines of the preparation of superfine quartz powder was optimized based on ga theory

    過理論檢和試證,證明了該模型的,並應用ga - bp網路模型,對球磨過程的工藝規律進行了研究。
  10. As these methods exist shortages, advanced diagnosis strategy is presented, which combines the fuzzy neural network instead of fuzzy inference to rules inference. the problem of accuracy ratio decline because of roughness of fuzzy synthesizing algorithm has been solved. an example of car diagnosis is given and validity of this method has been proved

    因此本章提出了以模糊神網路代替模糊推理並與規則推理相結合的先進診斷策略,解決了因模糊合成演算法的粗糙使診斷成功率下降或診斷錯誤的問題,並給出了一個車輛故障診斷實例,證了上述方法的和有效
  11. The shear strength indexes of and c were obtained for these two embankments, and they demonstrated the reliability of thrust and sliding equilibrium method used to analyze the stability of embankment

    在計算過程中提出4點基本假設,過現場試數據計算分析,論證了假設的成立和推滑平衡分析法應用於填石路堤的,並通過比較得出灰巖作為材料使填石路堤邊坡更為穩定的結論。
  12. For example, w. rostow considered that the growth of economy was aroused by leading industry, and industrial structure took a very important role in the economy growth ; h. chenery considered that industrial structure and economy growth had a bidirectional causal relation ; however, the most influencing theory was brought forward by s ? kuznets, who considered that it was economic growth which caused the variance of industrial structure advancement, etc. according to cointegration theory and granger causality theory, this paper, based on the summary of multitudinous scholars ’ research literature, carries a positive analysis to the relationship between industrial structure and economic growth, using the time serial data from 1978 to 2003 by

    分析結果證了配第?克拉克定律的濟的增長是就業人口向第三產業轉移的原因,但卻否認了庫茲涅茨的收入決定論,即至少在我國,產業結構的演進是濟增長的原因而不是相反。同時,本文還原創地論證了,我國的濟增長與產業結構之間存在惟一的動態均衡關系即協整關系,產業結構與濟增長之間短期波動與長期均衡關系存在於根據協整方程建立的向量誤差修模型之中。
  13. Use technical knowledge, gained through practical experience and formal education to interpret test results

    能夠依據有效的技術背景理論及實踐證明試結論的
  14. Although the software specification described using natural language is easy to write and understand, its validity, integrality, non - ambiguity, consistency are hard to guarantee. the process of verification can only be done by manpower which is not normative and not rigorous. and the complexity of a lot of software has made it impossible to check the specifications artificially

    需求規格說明是需求分析階段的產品,我們通常採用的是未使用任何限制非形式化的自然語言進行描述,這種自然語言書寫的需求說明,雖然易於理解和使用,但難以保證其、完整、無二義、一致證過程只能採用不太規范、不太嚴格的人工走查的方法進行檢查,稍微復雜一些軟體的需求規格說明的檢查,實際上已超出了人工檢查的能力。
  15. Abstract : technology dimensions of work parts always exceed the determined technology dimension limits. but when the work parts are big enough, it is still possible and valuable to modify the work parts " following technology process and technology dimensions, which are respectively called as dynamic technology process ( dtp ) and dynamic technology dimension ( dtd ), to ensure them to be qualified. a mathematical model is proposed which is about how to plan the dtd once the dtp is determined. a software has been written to testify the correctness of the above model. this model will be very useful in the capp and online quality assurance in the manufacturing of precise machine parts

    文摘:工件的工藝尺寸在工藝過程中常會超出許可的范圍,但當這些超差工件仍有足夠的加工余量時,通過修改其後續工藝路線(稱為動態工藝路線)及工藝尺寸(稱為動態工藝尺寸)仍有可能將其加工成成品.本文提出了一種在後續工藝路線定后如何定后續工藝尺寸的數學模型,並利用該模型成功地編制出了動態工藝尺寸設計的軟體,且用很多事例證了該模型的.該方法可以應用於精密機械零件製造時的計算機輔助工藝過程設計及在線質量保證
  16. Considering practical application, some control methods brought forward by predecessors have been improved in order to realize them more easily. because it is difficult to control chaos and hyperchaos to high - period by simple linear feedback in experiments, the ordinary linear feedback method is modified to local control, further more, we prove its feasibility and find out the controllable parameter range theoretically. the improved linear feedback method is applied to circuit experiments, and the results of numerical simulation and circuit experiment are all in accordance with theory, which validate this method effective

    概括起來有兩個層面的內容:針對前人已提出的一些控制方法,結合實際應用的需要提出改進的方案,使之更易於實際應用中的實現,這部分包括:基於簡單的線反饋控制低維混沌和超混沌系統的高周期態難以在實中實現而提出的局部控制的改進方案;結合具體實例,從理論上分析了改進控制方案的有效及系統可控制的參數條件;並且用電路實實現了改進的控制方案,實結果也證了理論的和可行;在應用非線反饋方法控制混沌系統的研究中,我們也得到了前人沒有討論過的高周期結果。
  17. In this foundation 80khz / 180a high frequency inverter was designed, already succeeded to use in the fuji company induction heating power source main circuit resonant element character test, which confirmed the theory and the experimental study result accuracy and the rationality

    在此基礎上設計的80khz 180a高頻逆變電源,已成功用於富士公司感應加熱電源的主迴路諧振元件的特測試,也證了本文理論與實研究結果的與合理
  18. The paper puts forward a kind of economical numerical control milling machine system which is supported by windows and industry pc that are acted as software and hardware platform on the base of analyzing the present development of economical numerical control system and some existent problem, and expatiates the system software ' s collectivity frame, also introduces detailedly form and operational way of the user ' s interface. besides, the thesis also frames and accomplishes each module such as syntax inspect module, translation module, tool compensation module and track interpolation module adopting visual c + + 6. 0 and the kind of facing object and modularized program design method by analyzing rationales and function of the software ' s modules, moreover presents the programmer ' s flow chart and parts of source code, whereafter validates arithmetic of translation and tool compensation by simulating process testing program

    本文在分析了我國濟型數控系統的發展現狀以及目前存在的一些問題的基礎上,提出了一種以windows和工業pc機作為軟、硬體平臺的濟型數控銑床系統,闡述了該系統軟體的總體結構,並對其用戶界面的組成及其操作過程做了較為詳細的介紹,分析了軟體的各個模塊的基本原理和功能,採用visualc + + 6 . 0以及面向對象、模塊化的程序設計方法,完成了語法檢查模塊、譯碼模塊、刀具補償模塊以及軌跡插補模塊的具體設計,並給出了程序設計流程圖和部分源代碼,通過系統的模擬程序模擬加工過程證了譯碼和刀補演算法的
  19. According to the successful experience of hilton, grasping the clients ' consumption psychology, emphasizing to foster clients ' loyalty and providing the service to satisfy the clients ' individual necessaries, are the key to increase the quota of sale of the hotel

    根據希爾頓酒店的成功把握客戶消費心理,重視培養客戶忠誠度並提供滿足客戶個化需求的服務,才是增加酒店銷售額的關鍵。
  20. To achieve this, macro - control on government should be strengthened by dealing with the entirety and locality properly ; the activeness on government school - running should be mobilized by dealing with government running schools and local running schools properly ; encouraging the self - development of universities and concert the relationship between the development and self - development ; the good experiences of other countries should be referred by dealing with internationalism and nationalism properly so as to form a modern system on higher education with distinct level, precise orientation, mutual complementing and the chinese socialist characteristics in china

    構建這樣的體系,必須加強政府宏觀調控,處理整體與局部的關系;調動各級政府辦學的積極處理國家辦學和地方辦學的關系;鼓勵高校自我發展,處理發展與自我發展的關系;借鑒國外先進處理國際與民族的關系,從而形成層次清晰、定位準、分工合作、互為補充的、具有中國特色的現代高等教育體系。
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