表徵表示特性 的英文怎麼說

中文拼音 [biǎozhǐbiǎoshìxìng]
表徵表示特性 英文
characterization
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : 名詞[音樂] (古代五音之一 相當于簡譜的「5」) a note of the ancient chinese five tone scale corre...
  • : Ⅰ動詞(擺出或指出使人知道; 表明) show; indicate; signify; instruct; notify Ⅱ名詞1 [書面語] (給...
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 表徵 : surface features; superficial characteristics; characterization表徵碼 mask; 表徵因數 characteriza...
  • 表示 : show; express; mean; indicate; expression; presentation; signifying; remark; representation
  • 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
  1. Some important problems will be mainly discussed in this paper, including : the formation and representation of bsc, bbc, tbsc, tbbc curves and surfaces, some significant properties and corresponding algorithm, the expression of normal curves and surfaces in the form of bsc, bbc, tbsc, tbbc, the methods of the reparametrization of curves and surfaces based on the theory of bsc, bbc, tbsc, tbbc curves and surfaces, the application of the theory of bsc, bbc, tbsc, tbbc curves and surfaces in the reparametrization of curves and surfaces and practical modeling

    3 )函數的概念,並建立了bsc 、 bbc和tbsc 、 tbbc曲線曲面的系統理論。主要研究bsc 、 bbc和tbsc 、 tbbc曲線曲面的構造、質,、演算法;常用曲線曲面的bsc 、 bbc;基於bsc 、 bbc理論的曲線曲面的重新參數化方法; bsc 、 bbc理論在曲線曲面的重新參數化和實體造型中的應用。論文分為六個主要部分。
  2. It is not hard to conclude that the theory can also be used to solve the problem of reparametrization of curves and surfaces. the fifth part is the expression of normal curves and surfaces in the form of bsc and bbc. the last part involves the applications of the theory of bsc and bbc curves and surfaces in the field of reparametrization of curves and surfaces and entitative modeling

    主要研究bbc函數的構造、質, bbc曲線曲面的方法,曲線曲面的參數方程以及它們的質和, bbc曲線曲面b zier曲線曲面的關系, bbc曲線曲面的相關演算法;第四部分是tbsc和tbbc曲線曲面理論,涉及tbsc和tbbc函數的概念, tbsc和tbbc曲線曲面的方程及其與b樣條曲線曲面以及b zier曲線曲面的關系;第五部分是常用曲線曲面的bsc和bbc;第六部分是bsc和bbc曲線曲面理論在曲線曲面重新參數化中的應用和實體造型中的應用。
  3. Different from the researches of modeling, descriptions, representations, relations ’ analysis and processing of spatial objects in spatial reasoning researching, qualitative spatial reasoning faces to the qualitative characters and qualitative relations of spatial objects

    不同於空間推理研究空間對象的建模、描述、及其關系的分析和處理,定空間推理面對的是空間對象的定和定關系。
  4. Fast algorithms of both discrete and orthonormal wavelet and wavelet packet coefficient are diagrammatized to be introduced. daubechies wavelet is applied to help to discuss the application and test on signal filtering and noise reduction with the principle and threshold implementation ; the basic principle to pickup the fault characteristics is introduced mainly about the relations between the maximum module and signal saltation point and how to characterize the saltation point with lipschitz exponent

    了離散正交小波變換的mallat快速演算法和小波包系數分解的快速演算法;重點應用daubeches小波探討了小波變換在信號濾波去噪中的應用和實驗,闡述了其基本原理和通過閾值化處理實現濾波的具體方法;探討了用小波變換進行故障提取的原理,說明了小波變換模極大值和信號突變點之間的關系以及怎樣用李氏指數來突變點的質。
  5. In this dissertation, according to the theory of mechanical dynamics and multi - body dynamics, a simulation model of nj2046 light off - road vehicle including suspension system, steering system and tires is built with the software carsim and so the vehicle steering characteristics are analyzed with the step angle input of steering wheel. it is found that the steering characteristics are different when the velocity and load are different, and the relationship between steering characteristics and velocity and load is presented

    本文根據機械繫統動力學、多體動力學理論,運用動力學模擬軟體carsim建立了包括懸架系統、轉向系統和輪胎等模型的nj2046越野汽車整車模擬模型,在此基礎上分析了nj2046越野汽車在方向盤轉角階躍輸入時的轉向,通過對不同車速、不同載荷條件下的模擬計算,得出了在這些條件下該車具有的不同,揭了轉向與車速、載荷和輪胎的內在關系。
  6. By the result of these experiments, acoustic emission ( ae ) was chosen to use in the research. at the same time, we analyse the phenomenon of acoustic emission at the base of theory, the characteristic signal of acoustic emission which comes from the faulty bearing at the angle of application, and the expression of the characteristic signal. contrast was also made on the data achieved separately from vibrational signal and ae signal, and it is proved that ae is feasible and available to the diagnosis to the fault of the rolling bearing

    主要工作有如下幾方面:對本段前期實驗室階段採用的振動法幅值域無量綱處理進行了分析,並研製了現場所使用的滾動軸承故障檢測裝置,將無量綱參數診斷法應用於段修現場,且做了大量試驗;對于現場試驗中所出現的問題進行了分析,提出將聲發射的方法用於軸承的在線故障診斷;從理論上分析了聲發射現象,從應用的角度分析故障軸承的聲發射信號的以及聲發射信號方法,並在實驗室中,採用振動法和聲發射法實時檢測的實驗數據進行了對比和分析,證明了使用聲發射法對軸承故障檢測的可行和有效
  7. In this paper, we propose the chord - distribution - based image description, and research the image retrieval algorithm based on this description. the main work of the paper consists of two part that are the feature description about image and the algorithm of image retrieval. in the first part, we propose the definition of region - chord, the presentation of chord - distribution, and describle image after analyzing the properties of chord - distribution. in the second part, after partitioning image and counting region - chord - distribution, we analyse the forground and background of image to each region and propose the criterion of the similarity of images

    論文的主要工作由圖象描述和圖象檢索演算法兩部分組成。在圖象描述部分,我們給出了區域弦的定義和區域弦分佈的,分析了弦分佈的質,並在此基礎上進行了圖象描述。在圖象檢索演算法部分,本文首先作了圖象區域劃分、區域弦分佈的計算;其次對區域作了前景、背景分析並給出了圖象間的相似度量。
  8. 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,深入研究了為2的有限域f _ 2m中的元素在多項式基和最優正規基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下的乘法和乘法逆運算的能,還對這兩種基下的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 。
  9. The wavelet multi - analysis is adopted to further understand the microstructure of solids holdup fluctuation, the vivid fingermark images show that it is a fractal and dissipative structure. the low and frequency signals reflect the dilute phase fluctuation behavior and dense phase ( cluster ) fluctuation behavior, respectively. to deep understand the multi - scales characteristic of gas - solids circulating fluidization, the wp decompose methods for obtaining the eigenvalue of gas - solid fluidized bed has been developed. the results show that eigenvalues of different scales are effective for identification of non - uniform and dynamic structure of gas - solid fluidized bed

    小波多分辨分析法得到指紋圖形象地揭了顆粒濃度脈動的自相似、分叉等具有混沌的微觀結構;小波分解后信號中的低頻和高頻成分分別代了稀相和密相的脈動行為,小波包分解提取能量值的方法能夠揭氣固的多尺度,不同尺度上的能量值四川大學碩十論文反映了氣固循環流化系統中存在的非均勻動態時空結構。
  10. The deviation value was used to characterize the inhomogeneous degree of concentration fields, and the attenuation rate with time was used to characterize the injection dispersion performance of flow field

    以此方差近似蹤劑濃度場的非均勻度,其衰減規律可用於定量描述振蕩流場的注入分散
  11. To improve the performance of the traditional icp method for the large data models of mesh watermarking, this thesis develops a new icp variant based on the framework of mesh multiresolution analysis. the author presents a novel method for acquiring the initial approximate transformation in terms of the distribution feature of points around the centroid

    為避免迭代落入局部而非全局最優解,本方法利用網格的多解析度和網格上點到質心距離分佈的信息,快速有效地確定初始矩陣。
  12. Due to the unique, stable and live physiological properties of the iris and non - invasive to users, most stable and reliable for identification in practical applications of iris - based system, iris recognition is receiving extensive attention and becoming an active topic in biometrics. as an application - oriented research project, iris recognition integrates mathematic, computer science, optics, electronics and physiology etc. based on wavelet transform, aimed to improve the recognition performance, centered at wavelet - based iris feature representation and pattern classification, we review and explore the iris sequence image quality assessment, iris image pre - processing, iris recognition performance evaluation and several other linked topics. we mainly investigate on the principles and application methodology of wavelet transform for iris feature representation and iris pattern classification methods

    以小波變換技術為基礎,結合圖像處理和模式識別方法,設計並開發了虹膜圖像採集裝置,建立了虹膜識別演算法測試實驗平臺;重點研究了虹膜識別中的小波變換的應用基礎理論與關鍵實現技術;提出了基於小波局部模極大值的虹膜及其多重匹配識別、基於小波多尺度信息的一維和二維虹膜紋理量化、基於小波過零點技術的虹膜及其規范化的部分hausdorff距離匹配識別,這三類方法能夠有效地提取虹膜;基於自建的演算法測試平臺,對上述三類方法和其他三種國內外比較有影響的基於小波變換的虹膜識別方法進行了定量的能比較和評價,通過實驗數據分析得到了有意義的結論;最後指出了小波變換技術在虹膜識別領域的研究重點與發展方向。
  13. Such integra ting feature vector is used for building k dim e nsion gaussian m odel, whose param e ters are estim ated by an expectation - m a xi m i zation ( em ) algorithm, and then the resulting block - cluster m e mberships provide a segm entation of th e im age. after segm ented, a m e thod of param e ter - trimm e d average for describing re gion is proposed, of which the param e ter is decided by area and position of region dire ctly. the sim ilarity m easure between two im ages is defined by integrating properties of all regions in the im age

    文中先將圖像分成4 4小塊,各塊的顏色、紋理、位置構成8維的空間;在該空間中對得到的8維矢量建立一個k維高斯模型,應用期望最大em演算法估計模型參數,產生的塊-聚類隸屬度函數實現對圖像的分割;為減小分割演算法不確定對檢索效果的不良影響,對得到的區域採用參數均衡平均,其中參數的確定直接與區域的面積、位置有關。
  14. To aim at the disadvantages such as no entirety of semantic information and feature editing depending on the order of feature designing, a method that feature description graph express feature model is proposed. according to the method feature modified set is established through the law of the order of feature creating so that the complexity of reconstruct is reduced and the efficiency of feature editing is improved

    同時針對傳統造型系統中語義信息不完備、的編輯與設計歷程相關聯等缺點,提出了用描述圖模型,根據生成順序的判定準則來確定的關聯修改集,減少了重構的復雜,提高了編輯的效率。
  15. This paper has a further study on the key technology called validity maintenance mechanism in semantic feature modeling in order to maintain the intent of designers and satisfy them. the method combines geometry model and semantic feature modeling, setting up new feature representation 、 cell element naming and identification method. in the meantime, a history - independence interactive feature boundary re - evaluation algorithm is presented based on feature editing. moreover, the validity recovery mechanism after invalid feature operation can maintain the original feature model. the above ideas have been realized on hust - caid ( computer aided industry design system developed by harbin university of science and technology ) preliminarily

    為了能夠正確地維護設計者的設計意圖和滿足用戶的需求,本文在原有造型的基礎上對語義造型中的關鍵技術即有效維護機制進行深入的研究,將幾何模型,語義模型結合起來統一進行研究,建立了語義造型在產品模型設計過程中方法的新理論、細胞元素命名方法和辨別機制,同時對系統原有編輯過程進行了研究,提出了獨立於歷程樹的邊界重構演算法以及模型操作無效時的有效恢復方法。
  16. In the first part of this experiment, we isolated the tsmt gene ( genebank accession number : af499726. 1 ) from a a zap - cdna library cons tructed from a 200mmoll - 1 nacl - treated library of thellungiella salsuginea and analyzed its sequence characterization, genomic organization and the differential expression in response to salt stress. tsmt encodes metallothionein and there is only one copy in thellungiella salsuginea genome according to its southern blotting

    L ~ ( - 1 ) nacl處理的鹽芥地上部分構建的zap - cdna文庫中克隆了編碼金屬硫蛋白的基因tsmt ( genebank號為af499726 . 1 ) ,並分別對其序列、基因組結構和在鹽脅迫下的進行了分析,結果明tsmt編碼鹽芥金屬硫蛋白, southern結果顯tsmt在鹽芥基因組中只有一個拷貝。
  17. In the prototype system, 72 bin color histogram and moment were chosen as region feature, and we use the irm measure to calculate the distance between two images. a method is proposed to adjust region importance in irm

    在系統中採用了72柄顏色直方圖和形狀不變矩作為區域,採用irm方法計算兩幅圖像的綜合區域相似度,並改進了irm演算法中區域重要因子的度量方法。
  18. Products and systems for the protection and repair of concrete structures. test methods. determination of adhesion steel - to - steel for characterisation of structural bonding agents

    混凝土結構修復和保護的產品及系統.試驗方法.結構粘結劑用鋼與鋼之間粘的測定
  19. In this paper an approach to improving the performance of text categorization is presented by using machine learning technique and domain - dictionary

    摘要為提高文本分類能,提出一種結合機器學習和領域詞典的文本方法。
  20. This paper analyzes the information systems from the angles of system structure, document feature representation and user profiles. this paper also includes the work as follows : 1

    本文致力於從internet上信息檢索系統的系統結構、文檔、用戶個化模式的等三個角度來分析,主要包括以下工作: 1
分享友人