optimal standard 中文意思是什麼

optimal standard 解釋
至適溫度
  • optimal : adj. 最適宜的；最理想的；最好的 （opp. pessimal）。
  • standard : n 1 標準，水準，規格，模範。2 旗；軍旗，隊旗；【徽章】標幟，標記；旗標，象徵。3 【植物；植物學】...
  1. By the large quantity of indoor and field soil mechanics test, this paper investigated physics and mechanics property of xigeda stratum and xigeda compounding filling, profoundly and systematically studied on shearing strength, cbr ( including indoor cbr and field cbr ) and intensity feature of xigeda compounding filling. the new achievement and cognition as follows : ( 1 ) cbr value is decided by moisture content and mudstone content of xigeda compounding filling. the filling material can satisfy minimum intensity standard of express highway when mudstone content is less than some fixed value, ( 2 ) this paper established field cbr standard value which can synthetically evaluate the filling material nature and field compaction degree. ( 3 ) the optimal compacting mean of xigeda compounding filling is hard oscillation first and weak oscillation later, not traditional way which is weak oscillation first and hard oscillation later. ( 4 ) this paper put forward the conception of optimum moisture content in construction different from optimum moisture content of indoor impaction

    本文以昔格達填料強度特徵為研究對象，通過大量的室內及現場試驗，從昔格達地層巖組的物理力學性質、昔格達填料的物理性質入手，對昔格達填料的抗剪強度、室內承載比及現場承載比特徵進行了較系統地研究，獲得了如下認識及進展：昔格達混合填料承載比值受填料含水量及其中泥巖含量的影響，當泥巖含量小於一定值時，昔格達混合填料具有較高的承載比值，能夠滿足高速公路對填料的最低強度要求；建立了綜合評判昔格達填料性能及現場壓實效果的現場承載比（ cbr ）標準；對于昔格達填料而言，最佳的碾壓方式為先強振后弱振而不是傳統的先弱振后強振；提出了與室內擊實最優含水量相區別的施工最佳含水量的概念。
  2. The principles of erasure codes used under binary erasure channels are summarized and erasure codes which belong to standard classes of rs codes are introduced with emphasis on cascaded low - density erasure codes with linear time encoding and erasure recover algorithms. thresholds of regular degree distributions are analyzed. it is shown that low - density erasure codes based on ( d, 2d ) - regular sequences of degree distribution are not close to optimal ( d 3 ). two pares of irregular degree distribution sequences are introduced and a pare of improved right regular sequences of low - density erasure codes are presented, it is testified that the new sequences are asymptotically quasi - optimal. in the meantime, simulations of cascaded low - density erasure codes based on a few types of special sequences of degree distribution available are given, together with performance analyses on these codes

    闡述了應用於刪除通道下的糾刪碼基本原理，介紹了兩類標準的rs碼類糾刪碼，重點分析了具有線性時間編碼和恢復演算法的漸近好碼?級聯型低密度糾刪碼，分析了正則度分佈的閾值，對正則低密度校驗碼在刪除通道下的糾錯性能進行了模擬，從理論上證明了基於（ d ， 2d ） -正則度序列的低密度糾刪碼都不是漸近最優碼（ d 3 ） ，同時還分析了非正則低密度校驗碼的度序列設計，基於右邊正則序列提出了一種改進型右邊正則序列，證明了此序列為漸近擬最優的，對基於幾類現有典型度分佈序列的級聯型低密度糾刪碼進行了模擬模擬及性能分析； 3
  3. 4 liang, shing - ko and chi - tai lien, ( 2007 ), " selecting the optimal erp software by combining the iso 9126 standard and fuzzy ahp approach ", contemporary management research, vol. 3, no. 1, pp. 23 - 44

    5梁馨科、謝松益（ 2006 ） ，金融保險產業永續經營理念與留才管理模式之建構，保險學報，第三期，頁165 - 182 。
  4. It is hedging transaction that realizes the risk transferring function because the economic logics lies in that futures price is the expectation of the spot price. with the portfolio theory of hedging, the definition of optimal hedge ratio, the standard model of optimal hedge ratio and the effect of hedging are discussed thoroughly

    套期保值的經濟邏輯在於期貨價格是對現貨價格的未來預期，本文運用資產組合套期保值理論，對最佳套期保值率概念、最優套期保值率的標準模型、套期保值效果進行了分析。
  5. Two indexes was calculated to estimate the best bands union for color combination, one is optimum index factor ( oif, the sum of standard deviation divided by the sum of correlation coefficient. ), the other is the determinant of the co - variance matrix. it can be seen from the result that for color combination the original optimal bands were tm 4, 3, 7 and tm 4, 3, 5, the best mixed images were mnf1, br and ndvi

    以協方差矩陣行列式值和最佳指數值（組合波段標準差之和除以相關系數之和）為評價標準，得出對于tm原始波段而言，最佳的彩色合成組合是tm4 、 3 、 7和tm4 、 3 、 5 ；綜合幾種變換圖像的彩色合成的最佳組合是mnf1 、 br 、 ndvi 。
  6. An optimal protective measure was found, which is a mend to the standard link by retracing the converse detonator with a great extent and fixing the retraced nonel - tube with the detonator together to make the retraced part of nonel - tube smooth and bear little force of water stream

    經過分析比較和現場測試，找到最佳的拒爆防護方案，即在標準連接法的基礎上加以改進，將逆向連接的傳爆雷管折回的幅度增大，並將該打折的導爆管與雷管一起固定在網路的連接點上，使打折部位順滑而不受力。
  7. Through the experimental result of the various methods of pretreatment, the effects were illuminated ; appraisal of every kind pretreatment method was given ; the optimal scheme of enhanced fingerprints based on the fourier transform and direction information was determined, and the standard of the comparing pretreatment algorithm was proposed

    通過實驗說明了各種指紋預處理方法的效果；結合特徵點變化，給出了各種預處理方法的評價；確定了基於傅里葉變換結合濾波和方向信息的頻域濾波增強指紋的最佳方案，並提出了比較預處理演算法的標準。
  8. Of course, each site is different, and you must look at your referrer logs and talk to your client ( or your boss, if you work in ? house ) to determine the optimal time for switching from old ? fashioned, non ? standard web design to w3c ? compatible methods

    當然，每個站點都是不一樣的，你必須注意下你的參考日誌還有你和客戶間的談話記錄（或是你的上司，如果你是名守戶職業者）來決定重構的最佳時間。
  9. Abstract : the dynamic calculation of the additional investment recovery period was discussed on the theoretical basis of the original compersation period calcuation. the investment recovery period in the design has been adopted to substitute the formerly prescribed standard time period. the results of the additional investment were evaluated and an optimal engineering plan is determined

    文摘:在原抵償年限計算的理論基礎上，對追加投資回收期的動態計算進行探討，採用了以設計方案的投資回收年限，替代原規定的標準年限值，對追回投資回收期的結果進行評價，從中選擇最優工程方案
  10. Through chaos optimization method embedded into the genetic algorithm. the algorithm with the combination the advantages of the genetic algorithm and chaos optimization method which need not the optimal problem function ' s differential and promote the ability of the genetic algorithm ' s locally meticulous search can be obtained with the faster convergence and the greater probability for the global solution. a chaotic sequence is inserted into the search procedure of genetic algorithm, which can overcome premature of the search by genetic algorithm and the speed of convergence is faster than standard genetic algorithm

    對遺傳演算法進行了理論分析，並且研究了遺傳演算法的設計與實現；利用混沌優化方法不依賴于梯度信息的性質，將其與遺傳演算法相結合，提出了一種求解連續不可微函數優化問題的混合遺傳演算法；基於對于符號動力系統的研究，利用混沌序列的遍歷性，將混沌序列引入遺傳演算法中，提出一種嵌入哈爾濱工程大學博土學位論文一混飩序列的遺傳演算法，該演算法有效地克服了標準遺傳演算法中的早熟現象，並且具有更快的收斂速度。 」
  11. On the aspect of optimal scale, regarded the maximum of mean annual net benefits of water sources project as an optimization standard, an optimal method and its concrete steps are presented in this paper

    針對當前國內外雨水集蓄利用側重於工程技術性研究，加強其理論性研究便顯得十分迫切和必要，具有重要的現實意義和經濟價值。
  12. In this paper, first discussed are the corresponding results in highway and dam constructions and the engineering characters of rock - fills are deeply analyzed, especially the relationships between gradation, strength and maximum dry density, long - term stability of fillers including earth - fillers and rock - fillers and some conclusions of use are drawn. by in - situ tests and researches on compacting mechanism of high - filled rock embankments, effecting factors on compaction, construction technology and shock compacting technology, obtained in this paper are the compacting technology of high - filled rock embankment and the optimal parameters of rolling compaction. by deeply research on the theory and methods of quality control of high - filled embankment, settled are the questions as quality detection method and control standard of high - filled rock embankment

    本文首先總結和分析了國內外公路和壩工行業已有的相關成果，深入探討了填石料的工程性質與最大幹密度、長期穩定性等之間的關系，得到了一些有益的結論；通過現場試驗路堤的試驗和對高填石路堤壓實機理、填石路堤壓實效果影響因素、施工工藝和沖擊壓實技術等研究，解決高填石路堤壓實工藝和最優碾壓參數控制等技術問題；通過深入研究填石路堤壓實質量控制原理和方法，解決高填石路堤壓實質量檢測方法和控制標準技術難題；解決高填石路堤沉降觀測技術問題，並根據沉降觀測結果研究高填石路堤地基和路堤沉降變化規律，得到了能預測沉降變化規律的「龔帕斯」成長曲線預測模型；根據工程實際，深入研究了邊坡穩定性的影響因素，得到了有益的結論。
  13. Water pollution was becoming intensified, while with the improvement of human ' s living standard, more attention was increasingly paid to the sanitation and safety of drinking water. so adopting advanced drinking water purification to obtain high quality water was necessary. by changing the different combination of drinking water ' s regular treatment process, ozonation, activated carbon and biological activated carbon, the paper chose the optimal treatment process, also the parameters of the process were analyzed through experiments, then the economic, reasonable process parameters were determined

    水污染不斷在加劇，而隨著人們生活水平的提高，飲用水的衛生和安全越來越被關注，因此有必要採用先進的飲用水深度處理技術來獲得優質飲用水，本文通過改變飲用水常規處理工藝、臭氧化、活性炭與生物活性炭的不同組合的中試試驗研究，選擇出了最佳處理工藝，又對最佳處理工藝的各個參數進行試驗分析，確定出經濟合理的工藝參數，在現有的條件下，對預臭氧化進行了生產試驗。
  14. ( 2, 1, 7 ) nonsystematic convolutional codes are optimal convolutional codes on the same code length and information bit length condition, so they are adopted as space standard codes by ccsds ( consultative committee for space data systems )

    （ 2 ， 1 ， 7 ）非系統卷積碼在相同的碼長和信息長度下為最佳卷積碼，因此被ccsds （空間數據系統咨詢委員會）采納為空間標準碼。
  15. Meanwhile, from the view of standard welfare analysis, this paper use the approach of optimal pricing to study on optimal subsidy of public transport

    同時從傳統經濟學福利分析出發，採用最優定價的方法對公共交通的最優補貼進行了研究。
  16. Thanks to the support of the national natural science foundation of china under grand no. 50277036 for " the pulse electromagnetic fields and system - level em radiation of electric vehicles ", this thesis concentrated on the design of the variable voltage and variable frequency ( vvvf ) system and the development of a genetic algorithm for vector optimal design problems. the work includes mainly four parts : a brief introduction of the frequency - converter, the emc design of the vvvf system and the national standard of the electromagnetic interference of the vvvf system, the study of global search optimization algorithms, and an improved genetic algorithm called emigration genetic algorithm for multi - objective optimal problems

    在國家自然科學基金資助項目《電動汽車脈沖電磁場與系統級輻射的研究》的工作基礎上，本文對電動車電磁輻射關鍵部分? ?變頻調速系統的電磁兼容性設計以及在電磁兼容性設計中涉及到的電磁系統的多目標優化方法進行了系統的分析和研究，其核心內容包括：變頻器工作原理；變頻調速系統電磁兼容性設計及變頻調速系統電磁兼容標準；隨機類全局優化演算法研究；提出了一種改進的遺傳演算法命名為遷徙遺傳演算法。
  17. The hardware and software technique about agc is presented. at last, several optimal control methods used in agc is compared. in chapter 3, this paper compares the two types of agc control performance standard released by north american electric reliability council ( nerc )

    第二章介紹了大區互聯電網自動發電控制abc的基本理論，分析了自動發電控制中的硬體技術和軟體技術，比較了幾種現代控制理論在agc中的應用情況。
  18. The chapter structure of this thesis is the following roughly : chapter 1 about capital structure concept and relevant categories it explains and defines main basic conceptions that text involves such as modern enterprise, capital structures, and give out comparatively strict defining of meaning and extension of the conceptions ; chapter 2 the modern enterprise capital structure theory in western country this chapter introduces the main content of western enterprise modern capital structure theory and historical development trend in detail, comment on the corresponding view of main schools ; chapter 3 system analysis on capital structure of our country state - owned enterprise in this chapter we analyse the capital structure of our state - owned enterprise with real examples, accordingly find out matters of the capital structure of soe ; chapter 4 enterprise capital structure and corporative structure this chapter discusses mutual operation of enterprise capital structure and corporative structure ; chapter 5 securities market and the choose of capital structure in the chapter we produce advises on developing securities market in order to optimize the capital structure of soe ; chapter 6 optimal standard of the capital structure of soe this chapter probes into the optimization standard of the capital structure of state - owned enterprise of our country mainly, moreover offers rational projects on the adjustment of capital structure of soe

    本文的結構安排主要分為以下幾部分：第一章資本結構概念及其相關范疇，主要解釋定義本論文所涉及到的基本概念如現代企業、資本結構，並對其內涵與外延給以較為嚴格的界定；第二章現代西方企業資本結構理論述評，詳細介紹現代西方企業資本結構理論主要內容及其歷史發展趨勢，並對相應的主要理論觀點給以評述；第三章我國國有企業資本結構形成的制度分析，對我國國有企業資本結構進行實證分析，從而搞清我國國有企業資本結構的現狀及其形成的體制原因；第四章企業資本結構與治理結構，主要從企業資本結構與公司治理結構互動的角度論述企業如何實現合理的資本結構；第五章我國資本市場發展與企業資本結構選擇，主要論述企業外部環境（資本市場）和企業資本結構選擇的相互關系；第六章國有企業資本結構優化標準探析，本章主要探討我國國有企業資本結構的優化標準，進而提出我國國有企業資本結構的調整思路。
  19. Although dm can also solve the modulation time error, but the output waveforms can ’ t reach the industrial standard ( total harmonic distortion thd ). considering this, a new control strategy called current optimal control ( coc ) is presented in paper. coc is that system samples the output value real time, comparing with expected value, considering all switching actions available then draw a concluding to decide which way would be fastest and best way to render system smooth

    針對這一缺點，本文提出了一種更好的控制策略，電流最優delta調制，它是在電流滯環控制的基礎上，根據電路的輸出信號來分析，考慮所有可能的逆變器動作來決定選用哪一種開關轉換方式能最快最平穩地達到預期值，採用的是一種電流預測控制手段，從而使輸出波形的紋波最小。
  20. The recognition and measurement of social, economic, and environmental benefit are studied and concrete expressions of these three objects are given ; according to different features of water users and water sources, the concepts and calculation methods of water use fair coefficient of water users and water supply sequence coefficient of water sources are presented ; the concept and calculation method of accordant coefficient of water environment and economic system are also put forward and it is considered as a condition of constraint ; the method to calculate discharge amounts of key contaminants in a planning standard year is brought forward ; on the basis of analyzing characteristics of the model for optimal allocation of regional water quality and water quantity, the method based on matlab optimal toolbox to solve the model is discussed

    模型中考慮了社會目標、經濟目標、環境目標的識別和度量方法，給出了三類目標的具體函數表達式；根據用戶特性和水源特性的不同，引入了用戶用水公平系數、水源供給次序系數的概念和度量方法；由於區域水環境與經濟的協調發展是區域可持續發展的核心內容，因此本文提出了水環境經濟協調發展度的概念，並給出了相應的計算公式；對規劃水平年區域重要污染物排放量進行了計算，並以約束條件的形式予以考慮；分析了區域水質-水量聯合優化配置模型的大系統、多目標、非線性等特點，探討了基於matlab優化工具箱的模型求解技術和方法。
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