finite sequence 中文意思是什麼

finite sequence 解釋
有限序列
  • finite : adj. 有限的；【語法】限定的；【數學】有窮的，有盡的。n. 〈the finite〉 有限（性）； 〈集合詞〉有限物。adv. -ly ,-ness n.
  • sequence : n 1 繼續；接續；連續。2 順序；程序；次第；關系；關聯。3 後果；結果；接著發生的事；後事；後文。4 ...
  1. Any finite sequence of symbols from an alphabet a is called a string.

    由字母表A中的符號所組成的任何有窮序列，被稱為符號串。
  2. In recent years, the endomorphism algebras of complete exceptional sequence of type an and an have been researched. furthermore, the inductive formula of the number of complete exceptional sequence over hereditary algebras of finite representation type has been obtained

    對于例外序列自同態代數的研究中，有關a _ n型， a _ n型的完備例外序列的自同態代數的結構都已經清楚，並且進一步得到計算有限表示型遺傳代數中完備例外序列個數的遞推公式。
  3. Represent finite positive rational numbers by convergence subsequence of harmonic sequence numbers

    利用調和數列的收斂子列表示有限正有理數
  4. In this paper, we study the finite iterated order of growth and the iterated convergence exponent of the zero sequence of nonzero meromorphic solutions of second order homogeneous linear differential equation, and obtain some precision evaluation

    摘要研究了二階齊次線性微分方程非零亞純解的迭代級與零點迭代收斂指數，得到了它們的精確估計。
  5. Fairly good chaos map, which is of high performance and be implement easily is selected. with the introducing of appropriate perturbation aimed to change the initial conditions, we may enlarge the chaotic sequence period under finite precision in practical applications. mixed chaotic model is constructed by combining logistic sequences and m - sequences in form of exclusive - or. and we, by adding two mixed chaotic model, constructed double chaotic system to generate the key generator, which provides with excerllent cryptographic properties

    本文利用混沌技術，通過對混沌映射的選取，選取出了易於實現，且性能優良的混沌映射;通過初始參數的加擾，使有限精度下混沌的短周期行為得以改善;通過利用混沌序列與m序列異或構成了混合混沌序列，在混合混沌序列的基礎上構造出了雙混沌系統，從而提高系統的抗破譯能力，設計出了混沌序列密鑰生成器。
  6. Any finite sequence of symbols from an alphabet a is called a string

    由字母表a中的符號所組成的任何有窮序列，被稱為符號串。
  7. It is a main task of general topology to compare different spaces. mappings which connect different spaces are important tools to complete it. which mapping preserves some special generalized metric space is a basic probleme in investigating generalized metric spaces by mappings. g - first countable spaces and g - metri / able spaces have many important topological properities so to investigate which mapping preserves them is very necessary. in [ 7 ], clnian liu and mu - ming dai prove that open - closed mappings preserve g - metri / able spaces ; whether open mappings preserve g - first countable spaces is an open probleme asked by tanaka in [ 6 ]. in [ 4 ], sheng - xiang xia introduces weak opewn mappings and investigates the relations between them and 1 - sequence - covering mappings. in the second section of this article, we investigate weak open mappings have the relations with other mappings and prove that the finite - to - one weak open mappings preserve g - first countable, spaces and weak open closed mapping preserve g - metrizable spaces. in the third section, we investigate an example to show that perfect mappings do not preserve g - first countable spaces, g - metrizable spaces, sn - first countable spaces and sn - metrizable spaces

    在文獻[ 4 ]中，夏省祥引進了弱開映射，並研究了它和1 -序列覆蓋映射的關系。本文在第二節研究了弱開映射與序列商映射，幾乎開映射的關系，證明了有限到一的弱開映射保持g -第一可數空間；弱開閉映射保持g -度量空間。第三節研究了文獻[ 5 ]中的一個例子，證明了完備映射不保持g -第一可數空間， g -度量空間， sn -第一可數空間， sn -度量空間。
  8. In finite element analysis, the storage needed by a total stiffness matrix for solving a large - scale system of linear equations is related to the sequence determined by numbering of mesh nodes

    摘要在有限元分析中，求解高階線性代數方程組時整體剛度矩陣所需存儲與由網格結點編號決定的順序有關。
  9. In the first chapter, the background and some basic results are introduced. in the second chapter, we study higher order edge connectivity, and obtained ( a ) except for three graphs, all infinite circulants with finite jump sequence are super - ; ( b ) except for three classes of graphs, all edge transitive graphs are optimally - ( 3 ) ; ( c ) the optimally - ( 3 ) property is characterized for vertex transitive graphs, in particular, necessary and sufficient conditions are give for cayley graphs to be optimally - ( 3 ) ( d ) a sufficient condition for a graph to be optimally - ( 3 ) is given

    第二章中，我們研究高階邊連通度，得到了如下結果： （ a ）除了三個特殊圖外，所有具有有限躍階的無限循環圖都是超邊連通的； （ b ）除了三種特殊圖類外，所有邊傳遞圖都是最優- ~ （ 3 ）圖； （ c ）刻劃了點傳遞圖的最優- ~ （ 3 ）性，特別是給出了cayley圖和極小cayley圖為最優- ~ （ 3 ）圖的充分必要條件； （ d ）給出了一個圖（不一定是對稱圖）是最優- ~ （ 3 ）圖的一種充分條件。
  10. Strong convergence theorem of iterative sequence for a family of finite asymptotically quasi - nonexpansive mappings

    有限個漸近擬非擴張映象迭代序列強收斂定理
  11. The finite precision effect brought by the digital realization of cs and the deterioration of the sequence ' s properties caused by interception have been studied. moreover, after analyzing the effect of the existing ways to improve the performance of cs, especially the perturbation, the effectness of a kind of chaos sequence generator by means of software high - precision computation ( shpc ) has been disscussed

    在數字混沌序列方面，本文驗證了混沌擴頻序列由於數字化所產生的有限精度效應、截短所造成的性能下降，同時對目前的改進方法，主要是加擾法，進行效果分析，並對利用軟體高精度計算實現數字混沌序列產生器的方法進行了探討。
  12. In chapter 2, we get some conclusions for the completion of the almost complete exceptional sequence of representation - finite type algebra and finite dimensional algebra using perpendicular category

    第二章藉助垂直范疇得到了關于有限表示型遺傳代數，任意有限維遺傳代數上幾乎完備例外序列補的一些結論。
  13. 3. by using the techniques of an explicit criterion to determine the number of real roots of a univariate polynomial in ( [ 13 ], [ 73 ] ) ; b - net form of bivariate splines function ; discriminant sequence of polynomial ( cf. [ 13 ], [ 73 ] ) and the number of sign changes in the sequence of coefficients of the highest degree terms of sturm sequence, this paper determines the number of real intersection points two piecewise algebraic curves whose common points are finite. a lower bound of the number of real intersection points is obtained in terms of method of rotation degree of vector field

    大連理工大學博士論義：分片代數價線i片代數簇的若十m穴3 ：利用楊路，張景中，侯曉榮在文獻v13 ， 73 ）中關於一元多項式實根的顯式判準，以及二元樣條函數的b網形式，多項式的判別序列和sturm序列的最高次數項系數序列的變號數，本文給出了兩個分片代數曲線的丈交點數（假設公共點是有限的）的計算公式。
  14. With the improvement of technology of digital circuit, making use of digital circuit to produce noise has become reality. for example, m sequence has been maken as mask jamming source, but its applications are limited because of its linearity and finite amount

    隨著數字電路技術水平的提高，利用數字電路來產生噪聲已成為現實。例如， m序列已經作為雷達干擾信號的噪聲源，但它的應用受到其線性性和有限數量的限制。
  15. Under finite precision, ways we always seek is easy to implement. and we encrypt the fh system with chaotic stream cipher. simulation results show that the security properties of fh sequence have been improved and the security of information is guaranteed even the fh patterns are broken

    大量的對比分析試驗表明，該密鑰生成器生成的混沌序列密碼的密碼學特性良好。同時，本文還努力的尋求一種在有限精度條件下混沌加密的可實現方案，並利用混沌序列密碼對跳頻系統進行加密。
  16. ( 2 ) a new digital frequency - hopping communication system based on cipher - quasi - chaotic sequence is proposed, which combines the cryptography and frequency - hopping technology. the system ' s protocol, base - band signal processing and modulation / demodulation algorithms of the radio - frequency part are designed, and the hardware experiment conducted on a prototype of the system show that the system functions well. the finite precision problem arising while taking use of chaotic signal to generate pseudo - random sequence is studied and the anti - tracking capability of the cipher - quasi - chaotic sequence is studied with the volterra - tls method proposed in this dissertation

    （ 2提出一種新的基於密碼準混飩序列的密碼與跳頻技術相結合的跳頻通信系統，並且進行了協議部分、拂信號處聊分、射頻調制解調演算法部分的模擬研究和系統的硬體實驗研究；研究了利用混飩信號產生偽隨機序列的有限精度實現問題，利用本文提出的m業肚m 113方法對密碼準混飩序列產生的跳頻碼的抗鵬干擾能力進行了模擬實驗研究。
  17. The one kind of improved fwt ( fast wavelet transform ) algorithm for a finite sequence is proposed after studying theory of multiresolution analysis and analyzing technical characteristics of dsp. the implementation of the periodic extension of the fwt on dsp is described in detail and the corresponding fwt assembly code is described for the dsp tms320c3x series

    在充分研究多分辨分析理論和分析信號處理器技術特點的基礎上，針對dsptms320c3x的特點，提出了一種有限序列的fwt （快速小波變換）的改進演算法，詳細闡述了信號處理器上fwt的周期性擴展的實現問題，用dsptms320c3x匯編語言實現了改進的fwt演算法。
  18. The residual strength of damaged composite laminates and their repaired structures are calculated, and the influence of the repair parameters is discussed by the finite element and program stated above. some useful conclusion can be drawn according to the curves, which show the influence of repair parameters to repair effect. for the laminate which contains a circle hole, the suggested patch shape is circle, the patch size is 2 to 3 times than the diameter of damaged hole, the patch thickness is equal to the parent laminate and the patch stacking sequence is the same as the parent laminate

    用所建立的二維有限元模型和編寫的有限元程序計算損傷板及其修補結構的剩餘強度，並分析了修補參數對修補效果的影響；根據本文計算得到的修補參數對修補效果的影響曲線，可以得到如下結論： ?對于含孔復合材料層壓板，當圓形補片與母板鋪排順序相同、直徑為損傷孔直徑2 3倍、相對厚度為100時能夠獲得比較好的修補效果。
  19. In this paper, a 3d finite element analysis software ( fzfx3d ) was compiled to simulate the construction process of mass concrete structures constructed with sequence method. based on the practical project xiluodu arch dam, the dam ' s construction process was simulated by a small time step size, 0. 5 or 1 days. the environmental temperature change, hydration heat rise, artificial cooling, creep, volume deformatio

    運用laplace變換方法將溫度的求解表示為只與空間坐標及澆築時間有關的函數，從而避免了用隱式差分法、有限元法求解時需求解聯立方程的因而對測點選擇的依賴，也避免了顯式差分法求解穩定性受時間步長，測點間距大小限制的缺點，因而具有測點布置靈活的特點。
  20. 1. on the bases of some basic suppositions, terzaghi ' s one dimensional consolidation and principles of layered summation method, the paper draw the formula which can calculate the embankment of layered filling and take the formula into programme ; 2. building the finite difference model of layered high - stack soil, carrying out numerical simulation of construction sequence, construction velocity, interface element of layer - stacked, the author get the numerical solution

    1利用一些基本假定，根據太沙基一維固結理論和分層總和法的基本原理，推導出來計算分層填築體自身沉降的公式，並編制了程序； 2建立了分層填築高填方路堤問題的有限差分模型，並對分層填築的施工順序、施工速度，界面單元進行了數值模擬，獲得了位移場和應力場的數值解。
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