逼近理論 的英文怎麼說

中文拼音 [bījìnlǐlún]
逼近理論 英文
approximation theory
  • 逼 : Ⅰ動詞1 （逼迫; 給人以威脅） compel; force; drive; threaten 2 （強迫索取） extort; exert pressure ...
  • 近 : Ⅰ形容詞1 （空間或時間距離短） near; close 2 （接近） approaching; approximately; close to 3 （親...
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 論 : 論名詞（記錄孔子及其門徒的言行的「論語」） the analects of confucius
  • 逼近 : 1 （靠近 接近） press on towards; gain on [upon]; approach; crowd on; close in on; draw near 2 [...
  • 理論 : theory
  1. Secondly, a new adaptive osculatory rational interpolation kernel function is constructed from the point of approximating the ideal interpolating function, the function ' s characteristics, i. e., the space properties, the spectral properties, and the efficiency are analyzed, and the comparision it with other interpolation methods is made

    然後，在圖像采樣和圖像重建理論的基礎上，基於逼近理想插值核函數的思想，構造了一種自適應切觸有理插值函數，對其空域和頻域的性能進行了分析，並與傳統的圖像插值核函數進行了比較。
  2. In chapter five, the research work focus on color gamut transform correction in panel display. a method of color gamut transform correction which introduces the concept of virtual gamut space is presented to solve the problem of luminance and chromic disuniformity which arises from the differentia of chromic and drive characteristics of each module or pix on the same display panel. and the high quality of image displayed on the panel is ensured

    提出了克服同一種平板顯示屏由於各個顯示模塊（顯示象素）的色度空間特性和中國科學院長春光學精密機械與物理研究所博十學位論文基十擬合逼近理論的平板圖像顯示技術研究基色驅動顯示特性的差異而造成的平板顯示屏色度和亮度分佈不均的有效方法，解決了平板顯示屏的全屏幕亮度、色度一致化的問題，保證了高質量視頻圖像的顯示。
  3. In theory of approximations, the classic methods of polynomial approximation for rational expression are various interpolations and operator approximations, such as lagrange interpolation, hermite interpolation and bernstein polynomial approximation

    在逼近論中，用多項式逼近有理式的經典的方法是各種插值與運算元逼近方法，如lagrange插值、 hermite插值和bernstein多項式逼近等。
  4. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓電力線的傳輸特性和數字調制技術進行分析的基礎上，將通信理論中的直接序列擴頻技術（ dsss ）用於解決低壓電力線通信的干擾問題，主要研究內容如下： （ 1 ）用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析，分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析，驗證dsss技術在本系統中的可行性； （ 2 ）由dsss技術對濾波系統的要求，根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路； （ 3 ）用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路，構造出低壓電力線載波通信系統，並採用atmel公司的單片機設計了接收和發射電路的微控制器； （ 4 ）分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗，並對結果進行分析，驗證了dsss技術對干擾信號的抑制作用。
  5. Verdu derives the ideal of multi - user detection in 1986. the multiple access interference, he deemed it has available information in certainly structure. adopted by the mlsd in the theoretical, it has many good abilities, such as its capability close with the single user ' s, near - far resistance, raised the capacity of the system. thereby come to operate the mud ' s research

    1986年， verdu提出了多用戶檢測思想，認為多址干擾是具有一定結構的有效信息，理論上證明了採用最大似然序列（ mlsd ）可以逼近單用戶接收性能，並有效地克服了遠近效應，大大提高了系統容量，從而開始了對多用戶檢測的研究。
  6. A drive method of unequalized clock counter in panel display which uses no dissimilarity @ subclass to achieve precision unequalized clock counter correction based on functions approximation theory is proposed. the new method is acquired based on the particular analysis results of the display drive design projects which adopted counter drive method in which the balance between the display image quality and the cost of drive circuit is given. finally, synthesis comparison examples are given

    針對目前以該方法為基礎普遍採用的不同技術方案進行詳盡的分析，根據分析的結果闡明了其在圖像顯示質量和驅動代價方面的優缺點，在此基礎上基於函數逼近理論提出了一種平板顯示器計數器非均勻時鐘驅動方法，該方法在計數器時鐘上採用非相異子集完成高精度的非均勻時鐘計數器校正。
  7. Transformed the six - bar guide - bar mechanism realizing linear displacement in automatic instruments into a basic rotating guide - bar mechanism, established the mathematical model of velocity approaching constant by the classical approximate synthesis theory and the modern error theory, discussedthe influences of the existent region of main mechanismic parameters on kinematic and dynamic properties, analysed the theoretical transmission ratio error, advances systematic, complete steps and methods for dimensional synthesis of this mechanism with computer aided design

    將自動化儀表中實現線性輸出的六桿導桿機構轉化為基礎轉動導桿機構，應用經典的機構近似綜合理論與現代的誤差理論，建立了速度逼近常數的數學模型，討論了主要機構參數存在區域及對運動、動力性能的影響，分析了傳動比理論誤差，提出了系統完整的計算機輔助尺度綜合的步驟與方法。
  8. Neural network has the ability of approaching nonlinear function at random precision, so that correct non - linear errors of angular rate sensor on the basis of neural network method

    神經網路具有理論上以任意精度逼近非線性函數的能力，故本文採用基於神經網路方法來校正角速度傳感器的非線性誤差。
  9. The first hypothesis is true according to the pd of 1 - year and pds of each quarterly in one year before special treatment and the second hypothesis also is true in three quarterlies before a corporation is specially treated. default probability of a specially treated corporation is high and tends to increase as time near the exposure date. 2. kmv model has a capacity of discriminating the bad borrowers from good borrowers. 3. volatility of market value of asset is determinant of default probability

    本文得出的主要結論有: （一）假設一在特別處理前一年及各個季度內成立，假設二在特別處理前三個季度內成立，我國資本市場中的特別處理公司具有較高的違約概率且隨著時間向特別處理實施日期逼近違約概率增加; （二） kmv模型具有較強的對違約債務人的識別力; （三）影響違約概率的主要因素是公司資產價值波動率。
  10. In chapter two, the basic knowledge related to panel display drive technology and chromaticity is introduced. some terminology of functions approximation theory is presented

    第二章介紹了有關平板顯示器驅動技術的基本原理和顯示色度學相關的基礎知識，同時給出函數逼近理論的基本概念。
  11. In addition, the paper makes relatively in - depth analyses on the function approximation theory of radial basis function neural networks and the stability of the adaptive controller based on radial basis function neural networks

    此外，本文對徑向基函數神經網路的函數逼近理論以及基於徑向基函數神經網路的自適應控制器的穩定性作了較深入的分析。
  12. The other, called " integral method ", is got by converting the problem to degree reduction of bi - variable polynomials with upper bounds using approximation theory and the relationships between chebyshev bases and bernstein bases

    另一個是將問題轉化為二元多項式的保上界降階問題，再由近似逼近理論和chebyshev基與bernstein基的轉換關系，求得區間有理bezier曲面的降階逼近的「整體法」 。
  13. The purpose of this dissertation is to study the problems of driving algorithm of high quality image display in panel display devices, and adjustment of color based on the virtual gamut transformation with merging approximation theory as essential means

    本論文的目的是以擬合逼近理論和顯示色度學為基礎，研究平板顯示器高質量的圖形、圖像顯示驅動演算法和基於準虛擬色度空間變換的顏色修正方法及其在高清晰度平板顯示器中的應用。
  14. Since time sectional scan method ( tssm ) acts as the dominant partner in the panel display, attention is drawn to the aspect in the drive methods. according to functions approximation theory, the method of complex merging approximation tssm which utilize multiple dissimilarity @ subclasses to achieve precision visual perception scale control is proposed. the comparison examples are given thereinto

    首先，針對這種在平板顯示器顯示技術方面佔主導地位的驅動方法進行細致的研究，在此基礎上根據函數逼近理論提出了平板顯示器時間片掃描的混合擬合逼近驅動方法，該方法採用多組相異子集_ i ~ *完成高精度的符合視覺感覺的灰度級控制。
  15. Cfd is also used to get the data of performance parameters of the nozzle at different nozzle pressure ratio, different nozzle area ratio and different geometric defected angle. the theory of function approximation is used to establish the transient model of thrust vectoring with the data calculated

    本文通過cfd計算獲得矢量噴管的性能參數，如流量系數、推力系數以及有效推力矢量角等與矢量噴管壓比、面積比以及幾何偏轉角之間的關系數據，並利用函數逼近理論建立了矢量噴管的動態數學模型。
  16. The author ' s work gives new way, which is beneficial to real time interaction and can efficiently reduce computing time as well as data storage amount. these algorithms can find good use in numerical machining, robotics, form - position tolerance and computer graphics. ( 3 ) degree reduction for nurbs curves and surfaces by applying the theory of the best uniform approximation of chebyshev polynomials and the explicit matrix representation of nurbs curves, this thesis centers on the research of the explicit nearly best approximation of multi - degree reduction of nurbs curves

    以上關于等距曲線的幾何逼近與代數逼近的演算法改革了當前國際圖形界只能對基曲線沿法矢方向平移定距離的點作近似逼近的固定模式，創造了利於交互操作，能有效地減少計算量及數據存儲量的新方法，可在數控加工、浙江大學碩士學位論文機器人、形位公差學、計算機圖形學中獲得很好的應用（ 3 ） nurbs曲線曲面降階應用nurbs曲線的顯式矩陣表示及chebyshev多項式逼近理論，以實現nurbs曲線顯式一次性降多階的近似最佳逼近為目標進行了研究
  17. This paper suggests that the integral of the state equation is evaluated directly through the exponential matrix based on the pim, thus several series solutions are obtained. utilizing the symmetry of matrices and the idea of substructure, the computational precision and efficiency of the pim are improved

    本文深入研究精細積分及動力方程演算法，基於指數矩陣計算、 pade逼近理論，在時域上對非線性動力狀態方程直接積分求解，構建若干系統響應求解格式，並分析了演算法精度、效率；通過矩陣變換，利用矩陣對稱性、子結構等方法改進精細積分計算效率。
  18. Meanwhile, the definition and method of finite difference as well as the theory of numerical approximate were further studied. with the emphasis on their application, the finite difference, the theory of numerical approximate and the optimizing design of valve train were harmoniously integrated

    同時對有限差分的定義、方法及數值逼近理論進行了研究，著重研究了有限差分和數值逼近理論在配氣機構機構優化設計中的應用，使有限差分、數值逼近理論與配氣機構優化設計有機地結合了起來。
  19. In this paper, the principles on vlsi realization of one - dimension cwt are expounded, and the relevant methods of the implementation are classified and compared with each other. and then, a novel method of implementing one - dimension continuous wavelet transform using switched - current circuit is proposed, in which the continuous wavelet transform is implemented by the parallel structure of biquadratic functions realized with switched - current circuits on the basis of approximation theory of network function

    本文闡述了小波變換vlsi實現的原理，並對相關的實現方法進行了分類和比較，提出了一種新的利用開關電流電路實現任意一維連續小波變換的方法，基於網路函數逼近理論，將連續小波變換轉化為雙二次函數並聯電路結構，並用開關電流技術實現。
  20. 20 ramzan z, reyzin l. on the round security of symmetric - key cryptographic primitives. in advances in cryptology - crypto 2000, lncs 1880, springer - verlag, santa barbara, ca, usa, aug. 2000, pp. 376 - 393. 21 gilbert h, minier m. new results on the pseudorandomness of some block cipher constructions

    可證安全理論研究的是分組密碼理想狀態下的安全性，不關注具體演算法的安全性，更多的是對設計準則的研究設計安全的分組密碼就是盡可能逼近理想狀態，逼近的過程就是不斷的降低假設條件。
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