符號變換 的英文怎麼說

中文拼音 [fúháobiànhuàn]
符號變換 英文
sign change
  • 符 : Ⅰ名詞1 （符節） tally （with two halves made of wood bamboo jade metal issued by a ruler to gener...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 符號 : 1 （記號; 標記） character; sign; symbol; mark; code; notation; expression; denotation; sentinel ...
  1. So this part is dealt with separately. dcpm method is employed to improve the quality of image coding with making full of the relativity of the wavelet coefficients. according to the different importance degree and vision character of the high frequency wavelet coefficients, different thresholds are applied to remove small coefficients ; then mannos module are applied to remove the visual redundancy ; in order to produce more zero - tree, horizontal and vertical wavelet coefficients are transformed accordingly to improve the compression ratio

    對于小波變換后的小波系數的高頻部分，根據其分佈特性和人眼的視覺特性，採用視覺模型對零樹量化過程的閾值進行修正，有效地去除視覺冗餘；對各高頻子圖採用多級樹集合分割的零樹編碼方法，有效地利用系數編碼剩餘符號，進一步提高壓縮比。
  2. Coordinate transformation, matrix, vectors, newton ' s law, conservation theorems, simple harmonic oscillator, non - linear oscillations, gravitation, euler ' s equation when auxiliany condition are imposed, the delta notation, lagrangian and hamilitonian dynamics, central - force motion, dynamics of a system o f particles, motion of noninertial reference frame, dynamics of rigid body, coupled oscillations, orthogonality of the eigenvectors, continuous system

    座標變換、矩陣、向量、牛頓定律、守恆定律、簡諧振動、非線性振動、引力、尤拉式方程式及附加條件、符號、拉格蘭及漢米爾頓力學、中心運動、多粒子系統動力學、非慣性參考座標運動、剛體動力學、耦會振動、本微向量正交性、連續系統。
  3. Abstract : based on the distance transformation of catographic algebra, the common objecting method of line symbols is proposed, which is based on the ridge map. satisfactory result was achieved

    文摘:在地圖代數實現的距離變換基礎上，提出一種基於山脊圖的線狀符號目標化方法，為解決線狀符號自動跟蹤數字化問題提供了一種可選途徑。
  4. Formats 03, marseille, france, september 6 - 7, 2003, lncs 2791, pp. 34 - 45. 11 kalus havelund, arne skou, kim g larsen, kristian lund. formal modelling and analysis of an audio video protocol : an industrial case study using uppaal

    如果從某一個位置l出發，一個時間變量x在被重置之前，不會被任何轉換用形如x c或者xc的條件測試，那麼符號狀態l ， d中的所有形如x - y
  5. The main works and innovations of this thesis are as follows : ( 1 ) based on the oversampling of ofdm frequency response, this paper proposes a channel estimator which combines the comb - pilot - tones partitioning and the fourier transform with the same pilot symbol samples

    具體而言，主要有以下六個方面的工作和創新點： （ 1 ）利用在ofdm系統中通道的頻域響應是過采樣的特性，提出了在頻域內用均勻梳狀分佈的導頻符號和與導頻符號數相同點的傅里葉變換相結合的通道估計方法。
  6. In this dissertation, with the aid of many types of constructive transformations and symbolic computation, some topics in nonlinear waves and integrable system are studied, including exact solutions, painleve integrability, backlund transformation, darboux transformation, symmetry ( similarity reduction ), conditional symmetry, lax integrable hierarchy, liouville integrable n - hamilton structure, constraint flow, involutive system, lax representation, r - matrix, separation of variables and integrable couplings. chapter 2 and 3 are devoted to investigating exact solutions of nonlinear wave equations : firstly, the basic theories of c - d pair and c - d integrable system are presented

    本文以構造性的變換及符號計算為工具，來研究非線性波和可積系統中的一些問題：精確解（如孤子解、周期解、有理解、 dromion解及compacton解等） 、 panileve可積性、 backlund變換、 darboux變換、對稱（相似約化） 、條件對稱、 lax可積族、 liouville可積的n - hamilton結構、約束流、對合系統、 lax表示、 r -矩陣、變量分離及可積的耦合系統
  7. Symbolic conversion program

    符號變換程序
  8. Subsequently we analyze the isomorphism relationship between ergodic matrices and the corresponding permutation group. by defining the permutation symbol operation system of ergodic matrices, we constructed a union form to express all existed permutation algorithms

    通過在理論上分析遍歷矩陣和置換群的同構關系，定義了遍歷矩陣對應的置換運算和符號體系，再統一的框架下表達各種圖像置亂變換。
  9. Using matiab symbolic computation, this paper studies the sensibilities of cvt ' s parameters, characteristic of cvt ' s transient noise, deduces the formula of cvt ' s secondary voltage and the formula after fourier transform ; then bring forward the least square algorithm for cvt and the compensatory algorithm based on fourier transform

    本文運用matlab的符號計算，分析了cvt參數的靈敏度，其暫態噪聲的特點及對保護的影響，推導了cvt二次側電壓及傅氏變換后的形式，在此基礎上提出了針對cvt的最小二乘演算法以及基於傅氏演算法的補償演算法。
  10. The second part, with the aid of many types constructive transformation and symbolic computation ( especially wu algebraic elemination method ), some topics in nonlinear evolution equation are studied, including exact solution ( solitary solution, periodic solution, rational function solutions and jacobian function solution ), backlund transformation, cole - hopf transformation, dromion solution and its construction etc. charter 2 introduces ac = bd model and its application about partial differential equations

    第二部分以構造性的變換及符號計算特別是（吳代數消元法）為工具，來研究非線性演化方程中的一些問題：精確解（如孤子解、周期解、有理解和雅可比橢圓函數解（雙周期解）等） 、 backlund變換、 hopf變換， dromion解及衰變結構等第二章介紹了求解pdes的ac = bd模式及其在偏微分方程中的作用。
  11. In this proposed algorithm, the phase rotation can be compensated using higher order statistics, nonlinear transform of equalizer outputs, and decision feedback algorithm, the faster convergent speed can be obtained by introducing sign algorithm, and the mse can be reduced via employing decision feedback equalization algorithm

    該演算法充分利用高階統計量所包含的相位信息、均衡器輸出信息的非線性變換及判決反饋演算法來補償相位旋轉；利用符號演算法可以減少計算量的特點來加快收斂速度；利用判決反饋濾波器的性能來減小均衡器輸出的均方誤差。
  12. Finally, we study the ( 2 + l ) - dimension nonlinear dispersive long wave equation skillfully, we find the self - transformation between the two equations and turn the ( 2 + l ) - dimension nonlinear dispersive long wave equation into a simple ( 2 + l ) - dimension pde. then, with the homogeneous balance method we obtain the hopf - cole transformation between the ( 2 + l ) - dimension pde and the heat equation. through it, we obtain abundant exact solutions of the ( 2 + l ) - dimension nonlinear dispersive long wave equation with the matlab, including the multi - solitary wave solutions

    ） : = 0 . （ 2 ）巧妙的發現了（ 1 ）與（ 2 ）之間的自變換，將這個方程組轉化為一個簡單的偏微分方程，並利用齊次平衡法得到了此方程與熱傳導方程之間二維形式的物pf - cofe變換，從而藉助m胡ab的符號運算得到了2 + l維非線性色散長波方程包括多孤子解在內的多種新精確解。
  13. It also reflects the function the inside logical organization, its direct result is the masterdom and deepness of language, sign, logical reason and mathematics theories, then display the new point of thought, transformation of thought forms

    也反映了思維的內在邏輯組織作用。它的直接產物是對語言、符號、邏輯推理和數學理論的掌握和加深，從而顯示出新的思維角度、思維形式的變換和更新。
  14. Finite support signal is transformed by wavelet basis in order to reconstruct image as possible as alike. experiments show the distribution character and the degree of correlation of sign, within - subband and cross - subband of wavelet coefficients and provide transcendental knowledge for later coding

    通過實驗分析了小波變換后系數的分佈特點，以量的形式給出小波系數的符號相關性、子帶內、子帶間的相關性等多種相關性的強弱，為以後的壓縮提供先驗知識、指導編碼。
  15. In terms of sub - shifts of finite type determined by an irreducible matrix, affine maps of compacted connected metric abelian group and continuous maps of tree, the two concepts of topologically ergodic map and topologically transitive map are identical

    指出對于由不可約方陣所決定的符號空間有限型子轉移而言，或緊致交換群的仿射變換及樹上連續自映射而言，拓撲遍歷與拓撲可遷這兩個概念是一致的。
  16. Xml expression is not symbolic information but structured block content. by using xml for describing data content, documents and lists, it is possible to exchange data between different systems. it improves persistence of data and reduces extra application costs caused by changes of the business regulations. it guarantees the connection with the old system and protects existing investments

    Xml在解決數據的表示和交換方面具有強大的功能， xml表示的不是符號信息，而是結構化的塊狀內容，通過使用xml來描述數據內容，文檔、表單可在不同的系統中相互交換，提高了數據的可持續性，降低了由於商業規則上的變化所帶來的額外應用成本，保證了同舊系統的連接，保護現有投資。
  17. Based on the theoty of statistical dctection and research on distribution of dct coefficiefits, the chapter 3 proposes a robust 3d motion blind watermark detection algorithin, which is a sign correlation detection scheme

    第三章基於統計檢測理論與dct變換系數分佈的研究，提出一個魯棒的三維運動盲水印檢測演算法，它是一個dct變換域上的符號相關性檢測演算法。
  18. Fourier -, laplace - and z - transformation ; symbols and concepts

    付里葉-拉普拉斯-和z -變換.符號和概念
  19. Applying generalized gaussian distribution to statistical model of the alternating current coefficient of discrete cosine transform, an adaptive blind watermark detection algorithm is presented on the basis of sign detector and linear correlate detector and its probability efficiency is deduced

    摘要根據數字圖像離散餘弦變換域交流系數的廣義高斯分佈模型，在符號檢測器和線性相關檢測器的基礎上，提出一種盲水印自調節的檢測演算法，並推導出該檢測器有較高的檢測效率。
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