重對數變換 的英文怎麼說

中文拼音 [zhòngduìshǔbiànhuàn]
重對數變換 英文
loglog transformation
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 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
  1. Then the structure unit of hexangular lattice is found according to the principle of invariable symmetry. renormalization transformation is processed when we regard the structure unit and the growth model as graphs before and after transformation respectively. after choosing the 11 thermodynamic function fugacity as parameter, we can write out the partition functions before and after transformation and the formula of renormalization transformation

    然後根據對稱性不變的原則，從整體晶格中選取結構單元，把結構單元和生長模型分別作為重整化變換前、后的圖形來進行重整化變換，選取熱力學函數易逸度為參量，寫出了重整化變換前後的配分函數和重整化變換關系式，求出了這一變換的不動點。
  2. Abstract : the more detailed mathematial derivation and analysis of watson transformation in diffraction theory of ground wave is made by two different method. in derivation necessary and approximate conditions requred to make the transformation are specially discussed

    文摘:採用兩種不同的方法對地波繞射理論中的瓦特松變換問題做了較詳細地數學推導，並著重討論了做瓦特松變換的要求的必要條件與近似條件。
  3. In the first part of the paper, the development of motor control system fault diagnosis theory is summarized. on the basis of the analysis of the characteristics of wavelet, the theory is discussed and the definition of the singularity is given. because of the localization property of wavelet transform, wavelet analysis can be used to detect the characteristics of the singularity from the signal and intermittence fault problems lying in the motor under test

    著重介紹了小波分析在電機控制系統故障診斷中的應用，根據小波理論在時域和頻域良好的局部化性質，討論了利用小波變換來檢測信號的奇異特徵的原理，給出了小波變換對信號奇異性特徵檢測的方法，針對實際應用，對小波基函數選取及小波分解尺度進行了探討。
  4. According to the geometry of slope measurements for the subjective wavefront optometer, a wavefont reconstruction model using zernike polynomial with normalization factor is put forward. based on householder transformation and gram - schmidt orthogonalization method, two methods for working out unknown zernike coefficients are bring forward. the error propagation parameter for the wavefront reconstruction model is deduced

    深入研究了帶標準化因子的zernike多項式的性質;針對主觀式像差儀波前斜率采樣方案，提出了採用帶標準化因子的zernike多項式對眼測試波前進行重建的數學模型;提出了兩種求解方法，即基於householder變換求解法和基於gram - schmidt正交化求解法，用於確定重建模型中的未知模式系數;推導出了該波前重建模型對斜率測量誤差的傳遞系數。
  5. Wavelet analysis and neural network have been researched. based on bp neural network, analysing the features of the bp neural network ' s activation function and the structure of the bp neural network, wavelets neural network is constructed with wavelet function. fourier transform has a important role on signal processing, so the fourier transform is introduced. a function ' fourier transform is analysed. after introducing the concept of the wavelet analysis, a serval wavelet functions is given out, so the knowledge of wavelet analysis is better understood. the multiresolution analysis has a important role on constructing wavelet function and understanding the wavelet transform

    小波分析和神經網路得到了廣泛的研究，小波神經網路是在bp神經網路的基礎上，考慮和分析了bp神經網路的激勵函數的特點，以及bp神經網路的結構，結合了小波分析的知識而構造的。傅里葉變換在信號的處理起重要的作用，所以介紹了傅里葉變換、離散傅里葉變換和加窗傅里葉變換，並對一函數作離散傅里葉變換分析。
  6. This article canvass the status quo of the archive ' s automatization administration and the develop status of data mining, and discusses how to combine the data mining technology with the archive work from data cleaning means, data mining arithmetic, and data storage etc. and this article put forword a data mining syst em design idea. this article ' s structure is : first, in allusion to the archive data status quo, the pretreatment work of archive data that include data quality evaluation, data cleaning and data commut - ation process is bringed forword ; second, in the process of realizating data mining, the article discusses conception description, association rule, class three familiar means of applicating data mining, also put inforword the concrete arithmetic and the program design chart, and discusses the range and the foreground of all kinds of arithmetic when they are applicated in the archive ; third, the base of so you say, this article also discusses the importance of the archice applicate data storage and the means of realizing it ; last, the article discusses seval important problem of realizing an archive data mining system from data, diversity, arithmetic multiformity, mining result variety and the data pretreatment visibility, mining object descriptive visibility, mining process visibility, mining result visibil ity, user demand description and problem defining etc aspect. the article ' s core is how to import data mining technology in the archive work

    本文評述了檔案自動化管理現狀和數據挖掘技術的發展狀況，從數據清洗方法、數據挖掘演算法、數據倉庫的建立等方面論述了如何將數據挖掘技術與檔案工作相結合的具體思路，並提出了一個數據挖掘系統的設計思想。文章首先，針對檔案數據的現狀，提出了應對檔案數據進行預處理工作，包括數據質量評估、數據清理、數據變換和歸約等過程；其次，在具體實現數據挖掘過程中，本文結合檔案數據的特點探討了概念描述、關聯規則、分類等三種常見挖掘形式的實現方法，提出了具體的實現演算法和程序設計框圖，並論述了各種演算法在檔案工作中的應用范圍及前景；第三，在上述基礎上，又論述數據倉庫在檔案數據挖掘中的重要性並提出了實現一個檔案數據倉庫的方法；最後，從處理數據的多樣性、演算法的多樣性、挖掘結果的多樣性、數據預處理可視化、挖掘對象描述的可視化、挖掘過程可視化、結果顯示可視化、用戶需求的描述及問題定義等幾方面討論了實現一個檔案數據挖掘系統的幾個重點問題。全文以探討如何將數據挖掘技術引入到具體的檔案工作實踐中為核心。
  7. " l ' lle brief introduction of underwater acoustic channel and the cl1art of image transmission syste111, innovation of ti1is paper are given in the first chapter. basic technology and hardware using in this project are introduced in the seco11d chaptel transform methods, especially the wavelet transformation are introdtlced il1 the tl1ird cllapter. ii11age ' s coding methods are introduced in cl1apter four, witll tilem ti1e zero tree method is the el11pl1ases

    第一章給出對水聲通道特性簡介以及圖像信息傳輸的系統框圖、本研究創新之處；第二章介紹圖像處理的基本技術以及本研究的硬體環境；第三章介紹圖像數據的變換方法，著重介紹了小波變換涉及到的知識；第四章介紹圖像編碼，重點介紹了零樹法編解碼；第五章介紹本研究的軟體、硬體設計、對零樹法的具體改變。
  8. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于曲線坐標系下的拋物化穩定性方程，文中發展了求解的高效數值方法:引進法向變換，使得在臨界層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含邊界鄰域在內的完全四階精度的法向有限差分格式，這對方程精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式，大大加速收斂並得到更精確的特徵值。
  9. First, the paper introduces the basic knowledge of the image processing technique, emphasizes the image processing method that is used in the measur - ement system, such as edge detection operator, curve fitting algorithm, espe - cially hough change in detail, etc. second, the paper introduces the vc + + 6. 0 program language, analyses its peculiarity and advantage, explains the form of the image in the computer and dib visiting functions

    首先，介紹了圖像處理方法的基礎知識，特別重點講述了在本系統中將會應用到的一些圖像處理方法，如邊緣檢測運算元、曲線擬合演算法等等，尤其是對于哈夫變換的方法，進行了詳細闡述。其次，介紹了本系統所應用的編程語言vc + + 6 . 0 ，分析了其特點和優點，並說明了模擬圖像數字化后，在計算機里的存儲格式以及相應的設備無關位圖訪問函數。
  10. The format transcoding includes the frame size conversion, frame rate or field rate conversion, and interlaced / progressive video conversion. in this chapter, the frame size trancoding with arbitrary rational number ratio of l / m is put forward

    提出了變換比例為任意有理數l m時的空域任意尺寸轉碼，以及針對任意尺寸轉碼器的運動矢量重用演算法。
  11. A novel communication receiver which uses lapped transform ( lt ) incorporating modified median filter ( mmf ) algorithm is designed for narrow - band interference excision. the lt domain mmf algorithm takes full advantages of the direct sequence spread spectrum signal, as well as the characteristics of lt, performing the transform domain filtering twice. the first filtering locates the position of interference and mitigates most of them. the second filtering is performed in a small neighborhood of the located interference. so lt domain mmf algorithm can completely mitigate the interference without distorting the desired signal. simulation results demonstrate the improved ber performance and increased robustness of our receiver

    本文採用改進的重疊變換域中值濾波演算法進行變換域抗干擾處理.該演算法既考慮到直接序列擴頻信號的特點，同時又利用重疊變換的特性對變換域系數進行了二次濾波.該演算法節省處理時間，並且不需要有關干擾的先驗知識，系統性能不會隨干擾頻率變化而變化，因而是一種很穩健的處理方法
  12. The thesis discussed a parameter extraction program for the mosfet level1 model. in the analysis and design of circuit, at first, the thesis described the system function of the new dc - dc switching converter. then several sub - circuits of converter ic such as oscillator, over - temperature shutdown circuit, auto - restart counter circuit and control circuit were completely discussed

    在電路設計中，本文首先分析了開關電源電路的基本拓撲結構和psm調制模式，接著對開關電源變換器進行了系統的原理分析並設計了總體框圖，然後詳細設計了振蕩器電路，熱保護電路，自動重啟計數器電路和主控門邏輯等子電路並進行了功能模擬。
  13. The tested signals is entered into the digital oscillograph and output the analog signals. in the base of known patameter of time domain, the signals is transform by fft

    將測試信號首先經過數字示波器重現模擬信號，在已知時域參數的基礎上，對信號進行fft變換，最後實現對信號的頻域測量。
  14. The explaining for region gravity and magnetic data is accomplished by using result of potency field transformation through level and vertical relating with level one - difference of several height and vertical two - difference and working out construct map of region geophysics

    對區域重磁資料的解釋就是利用位場變換結果，是通過不同延拓高度的水平一階導數、垂向二階導數圖的解釋，再進行水平和垂向關聯，編制區域物探構造圖的方式實現。
  15. For slow replacement the age distribution function assumed is unimportant.

    對緩慢置換，假設的時齡分佈函數變得不重要。
  16. At first the paper begin to study the foundation of digital curved face and space meshing principle, introduce the basic knowledge of curve theory and curved face theory, explain the mathematical tools of vector turning and coordinate conversion in the paper ; analyse the motion and relative motion of rigid body, provide the condition of gear driving continuous contact and equation of conjugate meshing

    論文首先從參數化曲面和空間嚙合原理基礎出發，介紹了曲線論和曲面論的基本知識，對課題研究重的數學工具矢量回轉和坐標變換進行了說明;分析了剛體的運動和相對運動，根據空間嚙合原理給出了輪齒傳動連續接觸的條件和共軛條件方程。
  17. The characteristic of h. 264 standard can be concluded mainly into three aspects. it is more practicable, more adaptive to ip net and mobile system and it improves the key components of coding structure based on hybrid video coding framework. for example, it adds coding mode decision, multi frame prediction, context - based adaptive variable length coding ( cavlc ), 4x4 integer transform, loopfilter, etc. the improvement in performance leads to higher computational complexity in the new standard

    H . 264的技術特點可以歸納為三個方面，一是注重實用；二是注重對移動和ip網路的適應；三是在混合編碼器的基本框架下，對其主要關鍵部件都做了重大改進，如多模式運動估計、幀內預測、多幀預測、基於內容的變長編碼、 4 4二維整數變換等。
  18. Combining the favorable capability of ebcot and characteristic of multi - wavelet ’ s coefficients, this article puts forward an integrated filter and pretreatment method based on approximated stairs. it processes the vector quantification of multi - wavelet ’ s coefficients and carries out the mix - scan compression arithmetic towards bit planes of ebcot

    本文結合ebcot的良好性能和多小波變換系數特性，提出一種結合濾波器和基於近似階的預處理方法，並對多小波變換系數進行重新排列和量化處理，對ebcot中位平面進行混合掃描方法相結合的壓縮演算法。
  19. In this paper, the transitional method of the spherical har monics is applied and a new model is gained. the parameters of the new model are geocentric radius, range cross - deviation and polar is decided by different trajectories

    本文對球諧函數的改進主要是採用了換極法，根據不同的彈道重新選擇極點，將球諧函數變換為以地心距、射程角、側向偏差為參數的新的形式。
  20. By employing de finetti theorem, in chapter two we discuss the limit behaviour of interchangeable random variables squences, mainly including the convergence rates in the central limit theorem and the law of the iterated logarithm

    第二章主要討論了可交換隨機變量序列的極限性質，具體包括中心極限定理的收斂速度和重對數律，所得的結論補充了可交換隨機變量極限理論方面的結果。
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