almost-linear 中文意思是什麼

almost-linear 解釋
準線性
  • almost : adv 差不多,幾乎,將近,快要。 It s almost two o clocks now 現在快兩點了。 almost never [no nothi...
  • linear : adj. 1. 線的,直線的。2. 長度的。3. 【數學】一次的,線性的。4. 【動、植】線狀的;細長的。5. 由線條組成的,以線條為主的,強調線條的。
  1. Leaves tufted ; stipes 15 - 30 cm long, densely scaly at base, glabrous above ; sterile lamina about 60 cm long and 20 cm wide, simply pinnate ; pinnae numerous, alternate or subopposite, linear - lanceolate, the largest about 12 cm long and 1 cm wide, base cordate, apex acuminate, margin finely toothed ; veins close, forking once or twice and forming areoles near the midrib ; fertile lamina similar to sterile ones, but somewhat reduced, about 8 cm long and 0. 4 cm wide, lower surface almost entirely covered with sporangia

    葉簇生;葉柄長15 - 30厘米,基部密被鱗片,向上近光滑;不育葉片長約60厘米,寬20厘米,一回羽狀;羽片多數,互生或近對生,線狀披針形,最長者長達12厘米,寬約1厘米,頂端長漸尖,基部心形,邊緣有細密鋸齒;葉脈1 - 2次分叉,近中脈形成網眼;能育葉與不育葉相似,但較小,長約8厘米,寬約0 . 4厘米,下部滿布孢子囊。
  2. In this thesis, we study some open problems and conjectures about the linear complementarity problem. it consists of the next three aspects : firstly, we study murthys " open problem whether the augmented matrix is a q0 - matrix for an arbitary square matrix a, provide an affirmable answer to this problem, obtain the augmented matrix of a sufficient matrix is a sufficient matrix and prove the graves algorithm can be used to solve linear complementarity problem with bisymmetry po - matrices ; secondly, we study murthys " conjecture about positive semidefinite matrices and provide some sufficient conditions such that a matrix is a positive semidefinite matrix, we also study pang ' s conjecture, obtain two conditions when r0 - matrices and q - matrices are equivelent and some properties about e0 q - matrices ; lastly, we give a counterexample to prove danao ' s conjecture that if a is a po - matrix, a e " a p1 * is false, point out some mistakes of murthys in [ 20 ], obtain when n = 2 or 3, a e " a p1 *, i. e. the condition of theorem 3. 2 of [ 25 ] that a p0 can be deleted and obtain a e " a is an almost e - matrix if a is a co - matrix or column sufficient matrix

    本文分為三個部分,主要研究了線性互補問題的幾個相關的公開問題以及猜想: ( 1 )研究了murthy等在[ 2 ]中提出的公開問題,即對任意的矩陣a ,其擴充矩陣是否為q _ 0 -矩陣,給出了肯定的回答,得到充分矩陣的擴充矩陣是充分矩陣,並討論了graves演算法,證明了若a是雙對稱的p _ 0 -矩陣時, lcp ( q , a )可由graves演算法給出; ( 2 )研究了murthy等在[ 6 ]中提出關於半正定矩陣的猜想,給出了半正定矩陣的一些充分條件,並研究了pang ~ -猜想,得到了只r _ 0 -矩陣與q -矩陣的二個等價條件,以及e _ 0 q -矩陣的一些性質; ( 3 )研究了danao在[ 25 ]中提出的danao猜想,即,若a為p _ 0 -矩陣,則,我們給出了反例證明了此猜想當n 4時不成立,指出了murthy等在[ 20 ]中的一些錯誤,得到n = 2 , 3時,即[ 25 ]中定理3 . 2中a p _ 0的條件可以去掉。
  3. This paper concerns with almost all kinds of generators such as the linear, nonlinear and inversive congruential methods, fibonacci and tausworthe sequences, add - with - carry and subtract - with - borrow methods, multiple prime generator and chaotic mapping

    目前國際上關于隨機數有很多熱門的理論和方法,除了傳統的線性同余法,還有非線性同余法、 fibonacci 、 tausworthe序列、進位加?借位減發生器法等。
  4. Subnanosecond millimeter relativistic backward wave oscillator, based on superradiance mechanism, was a novelty microwave device developed in last few years. the dependence of peak power on the square of the density of electron beam is almost linear

    基於超輻射機理的亞納秒毫米波微波器件是近幾年發展起來的一種新型微波器件,其輻射功率與參與束波互作用的電子束密度的平方成正比關系。
  5. Provided that the height of collar stand remains constant, the lapel ease and gradient data of lapel collar increase with the increase of the collar width, but in the case of increment, the former almost keeps linear increase tendency, whereas the latter exhibits a progressive decrease

    假定領座高度不變,隨著領面寬度的增加,翻領松量的變化呈線性增加,且增量基本保持不變;而倒伏量也隨翻領寬度的增加而增加,但增幅呈遞減趨勢。
  6. Almost disturbance decoupling of linear singular systems

    線性奇異系統的幾乎擾動解藕
  7. Almost linear mapping

    殆線性映射
  8. Dichotomies for certain linear system and existence of almost periodic solution and bounded solution

    若干圖類的鄰強邊染色
  9. But when these methods are applied to evaluation of interest rate swap option, interest rate cap, interest rate floor, forward rate agreement, both the cubic interpolation and the spline interpolation are superior to the linear interpolation, but the cubic interpolation and the spline interpolation are almost same

    當三種期限結構估測方法應用於利率互換期權、利率上限期權、利率下限期權、遠期利率定價時,立方插值法和三次樣條插值法盡管都優于線性插值法,但是它們之間卻沒有優劣之分。
  10. Here the author emphasizes non - linear neural networks used to data mining. the neural networks currently studied are almost linear based on super - flat. usually they need long training time, and are hardly understood

    目前的神經網路研究基本上是基於超平面的線性神經網路,通常這種網路存在著學習時間長,網路結構不容易理解等問題。
  11. Abstract : the mountain wave induced by a ridge in two - layer stratifiedfliud has been successfully simulated in a tank. the wave pattern is almost the same compared with the linear theory result qualitatively

    文摘:利用不同密度分層的鹽水模擬穩定層結大氣條件,在水槽中成功地模擬了兩層大氣分層流中二維山脊引起的地形波,得到的波動圖像與線性理論模式結果在定性上基本一致。
  12. The tree of this paper is as follows : in chapter 2, we study the uniformly asymptotic stability of the trivial solutions of a class of linear and nonlinear difference - differential equations with finite time - dependent delays. then, we deal with the existence, the uniqueness and the stability of periodic solutions and almost periodic solutions when the systems are under periodic perturbations and almost periodic perturbations

    本文內容具體安排如下:第二章,我們首先研究一類具有限變時滯的線性及非線性差分微分方程系統的零解的一致漸近穩定性,然後討論在周期擾動和概周期擾動下,相應系統的周期解和概周期解的存在唯一性及穩定性。
  13. A selection method of serm factorizations for linear transforms is presented. it is discovered that the near optimal results are almost everywhere and when the factorization error is small, the closer the permutation matrices, the closer the results. according this fact, a local search is proposed that based near optimal factorization method which can obtain the near optimal results. moreover, this method convergence very fast, can usually obtain useful results by very limited iterations. it is tested lossless image coding with the selection results and good results is obtained

    通過大量的實驗,發現serm分解的近似最優結果是大量存在的,而且這些近似最優結果的分佈是分散的,當分解結果的誤差度量比較小時的時候,有當置換矩陣相近時,分解結果的誤差也相近的實驗事實。基於此觀察結果,給出了基於局部搜索的serm分解的近似最優分解方法,可以得到非常接近最優分解的結果。
  14. The presented dissertation mainly discusses the non - linearity existing in monostation and multistation radar measurement. the first part of this dissertation integrated the non - linearity with the uncertainty of measurement system, and presents a secondary order filter for correcting measuring variance while the measurement equation is non - linear. by comparing the filter error of extended kalman filter with that of secondary order filter, we find the filter performance of these two filters are almost same

    本文主要討論單站與多站雷達中的非線性測量問題,在1中,我們把測量系統的非線性與測量系統的不確定性聯系起來,針對只有測量方程是非線性的情況,給出了一種修正測量方差二階濾波器,並用這種二階濾波器分析了推廣kalman濾波器的濾波誤差,指出推廣kalman濾波器與二階濾波器相比,濾波性能幾乎相同。
  15. However, the existing algorithms are almost based on the standard perturbed system, namely the k - k - t system of logarithmic barrier problem for standard linear programming

    但現有的演算法幾乎都是基於標準攝動方程組,即標準線性規劃對數障礙問題的卜k - t系統,建立起來的。
  16. Traditional matched field processors such as linear processor. minimal variance processor, matched mode processor and so on are almost based on the processing of sound pressure, it is well anown tha sound pressure is a time - vaping qmity

    傳統的聲源定位處理器有不少,如線性處理器、最小方差處理器、匹配模處理器等等幾十種,基本上都是基於聲壓場進行的信號處理。
  17. A cycle - slip detection and correction technique is developed to detect and correct cycle slips in dual - frequency carrier phase, named as least - squares - search method for cycle slips, which can correct almost all cycle slips when data gap is shorter than a few minutes, with the help of the geometry - free phase combination and the pseudorange minus phase linear combination

    提出了一種周跳檢測與修復的新方法,即最小二乘搜索法。綜合應用電離層殘差法、偽距載波組合觀測值法、最小二乘搜索法等方法,可修復失鎖時間長達數分鐘的周跳。
  18. Which has high strength, good ductility, impact bearing, erode - bearing, besides, its linear expanding coefficient is almost equivalent to concrete, and it has excellent performance - price ratio etc. this paper is related to 8 rc - poles wrapped by gfrp ( sgfw430 ) and rc - poles are compressed axially, in order to analyze the influence of different stick layer over the pole ' s work performance and the influence between three type axial compress ratio ( 0, 0. 8, 1. 1 ) with one layer gfrp with the contrast poles about limit load - bearing capability, failure state, ductility, section stiffness, restrict losing owing to stress - difference

    其具有強度高,延性好;抗沖擊、耐腐蝕;線膨脹系數與混凝土接近;性能價格比高等多個特點。本文通過8根外包單向gfrp ( sgfw430 )的rc組合柱,以及混凝土對比柱在軸心荷載作用下的試驗為基礎,具體詳細地分析柱子在粘貼不同層數的高性能玻璃纖維和在不同的軸壓比( 0 、 0 . 8 、 1 . 1 )下粘貼一層的高性能玻璃纖維后混凝土組合柱相對對比柱在極限承載能力、破壞形態、延性、截面剛度、應力差帶來的約束損失等方面的變化情況。
  19. Many scholars have done extensive research on spacial frame optimization design. but these studies are almost based on the theory of limited flexibility in small deformation linear elasticity theory, without considering the structure of the nonlinear element

    對于空間剛架結構形狀優化問題,許多學者都進行了廣泛的研究,但研究內容幾乎都是基於小變形線彈性理論的有限元法,而未考慮結構的非線性因素。
  20. At the beginning of their research, they could transform some nonlinear programming into relevant dual, such transformation made some outcome almost similar to linear programming. but if they wanted meaningful results, they had to consider convex programming

    在初期,他們發現可以將某些非線性規劃表述為一個相應的對偶規劃,且有少量相似於線性規劃的結果,但如果希望得到有意義的結果,只能考慮凸規劃。
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