inverse theorem 中文意思是什麼

inverse theorem 解釋
反定理
  • inverse : adj 相反的;逆的;翻轉的,倒轉的。 an inverse network 倒置(電)網路。 inverse time 逆時,反時。 ...
  • theorem : n. 1. (能證明的)一般原理,公理,定律,法則。2. 【數學】定理。
  1. We improved the theorem of inverse limits of hereditarily - normal spaces, and gave a simple proof of this result

    摘要討論了-正規空間的逆極限性質,改進了文[ 7 ]中關于遺傳-正規性逆極限保持定理,並給出一個簡單證明。
  2. The global inverse function theorem is applied for the existence and uniqueness of periodical solutions to the semilinear boundary value problems. some results are improved

    摘要本文運用整體反函數理論證明了一類半線性方程邊值問題周期解的存在唯一性,推廣和改進了已有的一些結果。
  3. A note on the inverse problem of integral mean theorem

    關于積分中值定理反問題的注記
  4. In the second section, we structure a kind of semirings, namely semidirect product of semirings, and prove an isomorphic theorem of semidirect products. in the third section, we give the characterizations of the relations of all kinds of regular semirings and introduce the concept of pseudo - inverse and the necessary and sufficient conditions of pseudo - invertible element. in the fourth section, we define an equivalence relation on the cartersian product of commutative semiring and its multiplicative subset

    第二部分,先構造一類半環,半環半直積,然後證明半直積的同構定理第三部分,刻劃了半環各類正則元之間關系,引入偽逆的定義,給出了可偽逆元素的充要條件第四部分,在交換半環和乘法集的卡氏積上定義等價關系,進而構造了一類交換半環:分式半環
  5. Proof of theorem ' s inverse theorem

    定理的逆定理證明
  6. The direct and inverse theorem of weighted approximation by generalized baskakov operator

    運算元加權逼近的正逆定理
  7. In the first part, the simultaneous approximation of this kind of operators is studied ; in the second part the approximation in c [ 0, ) of their linear combination is discussed. absorbing the method of paper [ 20 ], the inverse theorem of a new kind of linear combination operators is obtained in the third part

    第一節研究這類運算元的同時逼近;第二節討論該運算元線性組合在c _ [ 0 , )上的逼近;第三節吸收[ 20 ]的思想,得到了該運算元線性組合逼近的逆定理;第四節討論該線性組合運算元在c _ [ 0 , )逼近的飽和定理。
  8. An algorithm for detecting moving ir point target in complex background is proposed, which is based on the reverse phase feature of neighborhood ( rpfn ) of target in difference between neighbor frame images that two positions of the target in the difference image are near and the gray values of them are close to in absolute value but with inverse sign. firstly, pairs of points with rpfn are detected in the difference image between neighbor frame images, with which a virtual vector graph is made, and then the moving point target can be detected by the vectors ' sequence cumulated in vector graphs. in addition, a theorem for the convergence of detection of target contrail by this algorithm is given and proved so as to afford a solid guarantee for practical applications of the algorithm proposed in this paper. finally, some simulation results with 1000 frames from 10 typical images in complex background show that moving point targets with snr not lower than 1. 5 can be detected effectively

    基於運動點目標在鄰幀差分圖像中所具有的近鄰反相特徵,即運動點目標的兩個位置相鄰近、灰度值一正一負,提出一種在復雜背景下,基於紅外序列圖像的運動點目標檢測演算法.本演算法利用該特徵在鄰幀差分圖像中檢測反相點對,進而構造反相點對矢量圖,最後依據累積反相點對矢量圖中多矢量首位相接的連續性檢測出運動的點目標.文中給出並證明應用本演算法能以概率1檢測到運動點目標的收斂性定理.對典型復雜背景下10幅1000幀圖像的模擬結果表明,當信噪比大於或等於1 . 5時,可以有效檢測出運動點目標
  9. This is because the origin of the virial theorem value of 2 lies in the inverse square coulomb force being the only interaction seen by the electron and impurity ion

    其原因是在理想的一維、二維、三維結構中,對于雜質體系只存在電子和施主離子間的平方反比庫侖力,而沒有量子阱寬的限制。
  10. Inverse problem of the mean value theorem of differential with its asymptotic property

    微分中值定理的逆問題及其漸近性
  11. The author mainly realized the method of generating the large random numbers and judging the prime number using lehmann means, then three pairs of secure key with different lengths ( 256 bits, 512 bits, 1024 bits ) was generated to meet the demand of different security grade. in encryption module, modular multiplication arithmetic of large number was realized adopting addition chaining. in decryption module, extended euclid was used to get inverse, and the chinese remainder theorem was used to realize decryption, which increased the speed of decryption greatly

    作者主要實現了大隨機數的生成、採用整除小素數和勒曼測試法判定素數,可以生成三種不同長度的密鑰對( 256位、 512位、 1024位)來滿足不同的加密安全等級的需求;加密模塊中,選用了二進制序列的乘法方法,實現了大數模冪乘運算;解密模塊中,引用了擴展的歐幾里德法求逆元,並採用中國剩餘定理實現解密過程,大大提高了解密速度。
  12. Thus the resistance factor and vibration modes of the soil layer are obtained and used to analysis the pile response. by considering the interaction between the soil layer and the pile with boundary condition of continuity of displacement and equilibrium of force at the interface of soil layer and pile, the dynamic equilibrium equation of pile is solved and an analytical solution for the pile response in frequency domain is yielded, which is used to define complex stiffness and mobility at the level of the pile head. based on the convolution theorem and inverse fourier transform, a semi - analytical solution of velocity response in time - domain subjected to a semi - sine exciting force is given

    首先通過引入勢函數方法對土體位移進行分解,從而將土體動力平衡方程解耦,求解得到了土層的振動模態和阻抗因子,然後利用該解以小應變條件下樁土接觸面上力平衡和位移連續條件來考慮樁土耦合作用,求解樁的動力平衡方程,得到了樁頂的頻域響應解析解、復剛度和速度導納,利用卷積定理和傅里葉逆變換,求得了半正弦脈沖激振力作用下樁頂速度時域響應半解析解。
  13. 2. based on the ( q, h ) - deformed quantum plane by benaoum, we establish the transformation formulae of arbitrary degree power of two variables on the ( q, h ) - deformed quantum plane. furthermore, we give the ( q, h ) - analogues of multinomial theorem, binomial reciprocal formula, chu - vandermonde identities and a pair of new double - index series inverse formula

    在benaoum在引入的( q , h ) -量子變形平面的基礎上,首先建立了( q , h ) -量子變形平面上的變量的任意次乘積的變換公式,進而給出了多項式定理、二項式反演、 chu - vandermonde恆等式等結果的( q , h ) -模擬以及一對新的雙指標級數互反公式。
  14. The main work and achievements are summarized as follows : according to the spectrum analysis theory, the simple formula of the power spectrum between the excitation and the response is obtained. then the time - domain statistical properties of the structural response are acquired through fourier inverse transform, and cauchy ' s residue theorem is applied to solving the integral of fourier inverse transform, the structural dynamic reliability is calculated in terms of possion hypothesis based on first passage failure

    主要研究內容如下:從譜分析理論出發,得到了激勵與響應功率譜之間的簡明關系式,由fourier逆變換得到響應的時域特徵,利用cauchy留數理論處理fourier逆變換的積分式,基於首超破壞的possion假設計算結構系統的動力可靠性,並在此基礎上進行結構優化設計,奠定了確定性模型的基礎。
  15. Secondly, using the relation between the weighted modified k - functional, the weighted modulus of smoothness, the weighted main - part modulus of smoothness. we get the pointwise direct and inverse approximation theorem with jacobi weight for s ' zdsz - kantorovich operator. thus some results on w ( x ) = 0 ( w ( x ) denotes the weight function ), ditzian - totik modulus and classic modulus are extend

    其次,引入一種改變的帶權k -泛函,利用帶權光滑模和帶權主部光滑的關系及帶權光滑模與改變帶權k -泛函的等價性,關于sz sz - kantorovich運算元,討論了一階矩不為零的運算元的點態帶jacobi權逼近正定理及等價定理,推廣了已有的權為零及ditzian - totik光滑模和古典光滑模的結果。
  16. Based on lifting scheme and cohen - daubechies - feauveau theorem constructing biorthogonal wavelets, we construct a new symmetric biorthogonal 9 7 tap wavelet ( ls97 ). the compression performance of the ls97 wavelet is almost the same as that of cdf 9 7 wavelet, which is adopted by jpeg2000. furthermore, the inverse of ls97 wavelet can be replaced by cdf 9 7 wavelet in image compression, and vice versa

    以構造雙正交小波的cohen - daubechies ? feauveau定理為基礎,利用提升方法設計了一組對稱雙正交9 / 7小波濾波器,它與jpeg2000中採用的cdf9 / 7小波壓縮性能幾乎相同,並且它們兩者在圖像壓縮中可以互相做正變換與逆變換。
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