數基點 的英文怎麼說

中文拼音 [shǔjīdiǎn]
數基點 英文
point radix
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 點 : 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「、」）...
  1. First the sketch / datum plane is fitted by least - square distance, then the extruded direction or axis with the flank points of the cloud is extracted in quadratic paogramming arithmetic, and certain points projected to gain 2d sketched datas. feature points are defined to segment the sketch datas, and the sketch profile is generated by fitting separately the line and circle segment

    使用最小二乘方法擬合草圖基準平面，採用二次規劃方法提取拉伸方向和旋轉軸線，然後將數據點投影以獲取草圖數據，通過柵格劃分提取草圖邊界輪廓數據，再對這些邊界數據進行基於特徵點的分割，以直線和圓弧段擬合出草圖輪廓。
  2. It makes sampling data regularized by means of man - machine interactive mode and procedure method, respectively. the driven data of the cutter guide is generated, which is based on sampling data processed. it proposes an intelligent data reduction algorithm which bases on the combination of straightness of curves, equidistance and distance deviation principle

    首先採集並分析了內輪廓數據，分別運用程序處理方式和人機交互方式實現采樣數據點的規則化處理;根據處理后的測點數據生成磨頭驅動數據;並提出了一種基於曲線曲率、等距及距離偏差帶的自適應數據壓縮方法。
  3. Papery blueprints digital processing includes compress storage and standardization which are based on the comprehension of the blueprints

    紙質圖紙的數字化處理包括圖紙的壓縮存儲和圖紙的標準化處理，處理的基點在於對圖紙的理解之上。
  4. These reconstruction methods are fast, simple and well working. more useful information of the organs can be obtained if the arbitrary section plane images can be showed

    同時，提出了基於數據點的平滑三維重建方法，此方法快速、簡潔、效果良好，能為任意剖面的顯示提供很好的參照。
  5. Surface reconstruction method based on fea surface of 3d unorganized points is divided into four modes according to the special features of points on surface in this thesis

    （ 2 ）基於有限元分析的曲面重構方法根據離散數據點的不同特點，本文將離散數據點曲面分成四種模型。
  6. By this solution, a balde body model can be created by the optimization of the parametric grid of the blade body surface. some key techniques used in the solution, such as the computation of the data points on the meanline, the technology of cotinuty between the leading line and the outline of the blade body and the technology of the cross - section curve discretization, are disserated, and corresponding algorithm are presented in this paper

    在進行參數網格優化的過程中，需要進行中弧線數據點求解、緣頭拼接和截面線離散，本文對以上三個問題進行了深入研究，並在此基礎上提出了中弧線數據點求解演算法，緣頭拼接演算法和截面線離散演算法等研究成果。
  7. In japan, strong gdp and labour force data saw 10 - year japanese government bonds close 1 basis point higher at 1. 25 %

    日本方面，國內生產總值及勞動力數據表現強勁，令日本十年期政府債券上升1個基點，收報1 . 25 % 。
  8. There were many researches focusing on point - to - point congestion control based on tcp. studies of congestion control in multicast are still in experiment phase. hardly is there any congestion avoidance control used in most multicast applications

    目前，對基於tcp協議點對點傳輸模式中的擁塞控制研究較多，而組播中的擁塞控制的研究還處于實驗研究階段，大多數基於組播的應用還沒有一種合適的擁塞控制機制或完全沒有採用擁塞控制。
  9. Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

    本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀；其次研究了橢圓曲線密碼體制的基本理論；第三，分析了橢圓曲線密碼的安全性並介紹了密鑰共享，加密，數字簽名等橢圓曲線密碼體制；第四，深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法，並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進，而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能，還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究，所得的結論可供在實現橢圓曲線密碼體制時參考；第五，研究了目前流行的計算橢圓曲線標量乘法的快速演算法，同時改進了固定基點梳形法，提高了整個系統的速度，並在實驗的基礎上分析研究了流行演算法的優劣；第六，實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫，在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh ， eces ， ecdsa等橢圓曲線密碼體制；第七，實現了兩條安全橢圓曲線上的橢圓曲線密碼體制，包括ecdh ， eces ， ecdsa 。
  10. Base on the business enterprise development, the author brings forwards the following influence factors of business enterprise logistics method : logistics position in the business enterprise strategy ; the core competition and logistics management ability of the business enterprise ; the flexility of business enterprise ; and the different industries, different products and different life cycle of product etc. after that, the paper discusses the economic feasibility of the self - run logistics and the third party logistics in our country. at last, the paper established the calculation method and the target function of the logistics cost expenses, and put forward the method of how to compare their economy expenses - cost benefit method

    然後，以企業的角度為基點，從企業物流方式選擇的影響因素：物流在企業中的戰略地位；企業的核心能力、物流管理能力；企業柔性；物流成本費用；不同行業；不同產品；產品不同生命周期等方面對自營物流與第三方物流的可行性進行了研究和探討，給出了兩者物流成本費用的內容，建立了計算兩者物流成本費用的目標函數，並提出了兩者經濟比較的方法? ?成本效益法。
  11. In this thesis, based on activity based classification, there are three subjects to be researched, that is, how to build and express cost caculation rules, how to support many caculation methods and how to support more quick and accurate cost caculation. moreover, this thesis lucubrates a flexible cost cacaulation model. this model bases on advanced cost theory - - activity based classification, and it includes the building of abc ' s cost caculation model, the receptions " automatical accumulattion and transformation rules, the storage and use motivating causes rules, the diverse cost distribution and supporting many cost caculation methods. besides, the model brings forward rules about cost information transformation and accumulattion, rules about keeping business records, rules about motivating causes ’ accumulattion, rules about cost distribution and formula language. what ’ s more, it builds a rule engine, and all of these make this model meet enterprises ’ demand for using many cost caculation methods, and then simplify operators ’ operation. also, it can realize cost accumulated more accuratly, keeping business records more promptly and cost analysed more intensively, and then give supports to enterprises ’ further decision with related data. in the third chapter, it expounds the design and realization of this flexible cost cacaulation management system, and use one model case to validate its legitimacy, which explains that with j2ee technology and mvc design pattern, this system has good features of reuse and adaptability. at last, it introduces its application in china resource alcohol co., ltd

    本文以作業成本法為理論基點，圍繞著如何建立成本核算規則並給予表達、如何支持多種成本核算方法以及如何提供更為快捷、精確的成本核算等三大主題展開深入的研究，並建立了多適應性成本核算模型。該模型以先進的成本核算方法作業成本法為理論基礎，涵蓋了從作業成本核算模型的建立到成本單據自動歸集轉換等規則的提取，從動因量存儲使用等規則的建立到成本多樣化分配以及支持多種成本計算方法等全部內容。在對成本核算規則進行分析和表達的基礎上，該模型提出了基於作業成本法的成本信息轉換存儲規則、記賬規則、動因量歸集規則、分配規則以及計算公式語言，並建立了基於這些規則的規則引擎，從而使得該模型能夠滿足企業多種成本計算方法的需求，簡化了企業人員的操作過程，並且實現了更為準確的成本歸集，更為迅速的成本制單，以及更為細化的成本分析，為企業的進一步決策提供了有力的數據支持。
  12. To reduce the basis risk, this thesis offers a compound hedge policy on stock index futures and deduces the expressions of the hedge ratio in two instances when the cost is same or restricted. this paper analyses the investments of pension fund from 9 - 6 - 2003 to 7 - 10 - 2003, then it demonstrates the stock portfolio of pension found by the goal program model

    為了降低套期保值交易的基點差風險，本文提出了利用多種股票指數期貨對股票組合進行復合套期保值的策略，並給出了套期保值成本相同和限制套期保值成本兩種情況下的套期保值率公式。
  13. Firstly, the theory summarize of r & d project evaluation and performance measurement are done, the limitation and shortage of traditional evaluation and measurement is pointed out ; afterward, the purpose and content, the methodologies and classify, the basic principle and work procedure, the reporting and organizing are dissertated ; and then, the influence factor and the main parameter of the r & d project performance measurement are analyzed, the index of performance measurement are discussed emphatically, based on this, a dynamic and effective r & d project performance measurement system is developed, it comprises designing, implementing and updating performance measurement systems ; at last, the development current of r & d project evaluation and performance measurement is discussed and the conclusion of this paper is made

    首先，本文對r & d項目評估和績效測度進行了理論綜述，指出了傳統評估與測度的缺陷與不足；然後，論述了r & d項目評估的目的和內容、方法和分類、基本原則和工作程序、組織與報告工作；其次，分析了r & d項目績效測度的權變因素和主要參數，重點探討了測度指標，並在此基礎上開發了一個動態有效的r & d項目績效測度系統，包括對r & d項目績效測度系統的設計、實施和更新；最後，探討了r & d項目評估與績效測度的發展趨勢並得出了本文的結論。
  14. We obtained the uniform data distribution from discrete data points by inserting spatial dots and then set up digital elevation model ( dem ) of correlative area through constructing mutual linked triangle net. the isoline graph was implemented based on this model. during the processes, we combined the technology of stratification computing when inserting special dots in fault area with the technology of stratification triangle net in fault area for dealing with thrust data

    然後介紹了在本研究中構造逆斷層地質等值線的基本思路：從離散數據點結構出發，採用空間數據內插方法進行數據的均勻化，通過三角剖分構造出相互連接的三角形網路結構來建立起相關區域內的數字高程模型，利用該模型構造出相應的地質等值線圖，其中使用擴展點與斷層區的關系屬性進行斷層區分層空間插值計算處理和斷層區域的分層三角形網格化處理相結合的技術，實現逆斷層數據的處理和等值線繪制。
  15. This brief note presents an easily conceivable inequality for analytic functions. as an application, a function - theoretic proposition involving the fundamental theorem of algebra ( fta ) is deduced immediately

    摘要本文關于解析函數給出了一個可作幾何理解的不等式，由此易得出一個有關解析函數零點的命題，而代數學基本定理成為它的直接推論。
  16. Let the measured bulky error be treated as sudden changing signal, utilizing wavelet transformation could conduct an accurate location on the error point by the use of wave let transformation an algorithm for eliminating data point with measured bulky error was presented, and a discussion was carried out on the selection of wavelet base

    摘要將粗大誤差作為突變信號，利用小波變換可以準確地對誤差進行定位，給出了利用小波變換去除粗大誤差數據點演算法，並對小波基的選取進行了討論。
  17. Hardware framework of the system is based on isa buses of general pc or ipc, including 12 _ bit multiplying d / a conversion, time interrupt, pulse receiving, zero check and on - off and warning circuit

    該系統硬體結構是基於普通pc機或工控機的isa總線而開發，其功能集12位dac轉換、定時中斷、脈沖接收、倍頻辨向計數、零點檢測及使能報警等於一體。
  18. The adaptation processing includes linear prediction coefficient adaptation and adaptation of quantization step size for residual signals. based on g. 726, we adopt a huffman coder to make use of probability statistic of bit cascade covering n ( n 1 ) samples generated from adpcm, in order to further reduce the bit rate. ng is lossless entropy coding, the speech quality of our improved algorithm should be same as that of g. 726 standard

    我們的研究和改進工作包括:研究最優非均勻自適應量化器，及其自適應演算法;研究波形預測函數，以及函數零點、極點的自適應演算法;基於每n （ n 1 ）個樣本所對應符號的概率統計，對預測殘差量化值再進行huffman編碼，進一步降低比特率。
  19. This process is as follows : firstly, the data of different section contour and of section line have been obtained by reverse - engineering ; secondly, non - uniform b - spline approximation algorithm is used to fit the discrete data ; then the data have been optimized and reduced by adopting adaptive sampling of key points of the fitted curve based on vertical distance, sequently the adaptive sampling data is transformed into the format of the. ibl file of the famous 3 - d design software pro / e. therefore we reconstruct the surface and a model is generated ; lastly, the effectiveness of the adopted algorithm and modeling approach are demonstrated by the experiments

    建模型的過程中，首先運用逆向工程測量方法，獲得曲面物體上不同截面輪廓線的測量數據點列，接著對測量數據點進行平滑處理，用最小二乘法求解基於數據點列的控制多邊形，以非均勻三次b樣條曲線擬合截面輪廓曲線；然後利用基於垂距的數據采樣演算法，對擬合曲線上的數據點進行重新采樣，達到優化數據點的分佈及減少描述曲線數據量的目的。
  20. A new algorithm is presented in this paper for piecewise quadric b - splines curve reconstruction from scattered data in a plane

    摘要基於控制頂點擾動的思想提出了一種新的曲線重構演算法，用於構造一條分段二次b樣條曲線來逼近平面上的散亂數據點。
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