無限連分數 的英文怎麼說

中文拼音 [wúxiànliánfēnshǔ]
無限連分數 英文
infinite continued fraction
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 連 : Ⅰ動詞1 （連接） link; join; connect 2 （連累） involve （in trouble）; implicate 3 [方言] （縫） ...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 無限 : infinite; limitless; boundless; immeasurable; unlimited
  1. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下，通信頻帶資源緊張，音頻傳輸帶寬有限且復雜多變，而各種音頻數據又日益增多的局面，本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義，在前人不斷工作的基礎上，提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法，兼考慮了編碼效率、多碼率和壓縮時延多個方面，並在matlab環境下做了模擬實驗，對各種音頻信號及多種小波函數做了模擬結果比較，實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果，達到多碼率下實現實時編解碼的過程，在高速dsp晶元等硬體設備支持下，可以有效應用於實際復雜多變信源編碼。
  2. Facilitating the configuration of protocol parameters, optimization of protocol operations, and more exact estimation of protocol performance, etc. basing on combinatorial theory and asymptotic method, we analyzed the properties of manets with nodes uniformly distributed in rectangular region. mathematical formulas of some basic properties of manets are obtained, such as the expected number of wireless links, mean node degree, the relation between network connectivity and radio range

    因此本文第二章基於組合學方法和極限思想研究了矩形區域內節點均勻分佈的無線自組網的幾項基本屬性，網路中鏈路總數的期望值，網路中節點度數分佈情況，以及網路連通性與無線信號傳輸半徑的關系等，得出了其解析描述。
  3. The study in the paper starts with beam distortions, and it treats the plastic deformation area as pure bending sect, rest of the beam as rigid bodies. according to different shapes of the external tendons, it divides into three structural forms familiar in projects, that is the beams with no deviator, with a deviator and with two deviators, and studies the relation between the deformation of the external prestressing tendons and that of the beams, and derives the formulas of the ultimate stress increment of external tendons. in the formulas, the ultimate angle corresponding to half of the plastic deformation area is considered as a variable parameter

    本文首先從梁極限狀態下的變形入手，將塑性鉸區看作純彎段，將塑性鉸以外的區域看作剛體，按照體外預應力筋的形狀不同，分工程中最常見的三種體外結構形式，即無轉向塊的直線型體外筋混凝土梁、具有一個轉向塊的單折線型梁和具有兩個轉向塊的雙折線型梁，研究體外預應力筋變形和梁體的變形間的關系，推導出以極限狀態下塑性鉸區之半對應的轉角為參數的計算體外預應力混凝土簡支梁以及連續梁的體外筋應力增量計算公式，並進一步求得梁的極限承載力。
  4. By simulating body node with fea software ansys and comparing its results with the experiment ones, natural capacity of semi - rigid connection node itself was discussed, and the experimental results were analyzed additionally, and the bearing conditions of sections which could n ' t be tested in experiment were obtained, as well as two kinds of bearing conditions under different conditions that the connections with and without stiffener were compared in detail

    在討論半剛性連接節點本身的性能時，通過有限元軟體ansys對節點進行三維非線性有限元精細模擬，將計算結果與試驗所得數據對比，對試驗結果進行補充分析，了解沒有測到試驗數據的節點組件在加載過程中的受力情況，並對帶雙腹板角鋼頂、底角鋼連接在有無加勁肋兩種情況下的受力狀態進行詳細對比。
  5. " for optimum safety, every woman, without exception, needs professional skilled care when giving birth, " the report says, adding that continuity of care for the newborn in the following weeks is vital

    該報告說， 「為了最大限度的安全，每一個婦女毫無例外地在分娩時需要專業的熟練照護。 」該報告補充說，在接下來的數周內對新生兒的連續照護至關重要。
  6. At the meantime, the rock mass may alternate between loading and unloading and it exists in certain kind of liquid, such as surface water, unconfined water, confined water etc for its intrinsic crannies. the practical rock mass concerned project must solve the key stability pr oblem after the understanding of the complicated mechanical characteristic and the deformation trends to guide the following project design and construction for the demand of security, economy, feasibility and validity. however, the intrinsic nonlinearness and complexity of the engineering rock mass become the main difficulty to predict the stability and deformation, the corresponding structure design must ensure enough safety with all the determinate or random force combination, so a model without the geometry distortion and constitutive equation warp is necessary to be built for the quantificational analysis of practical structure ' s stress, for the simulation of the real process and for the determinate evaluation system and optimization

    由於實際工程巖體其固有的非線性和復雜性，使得求解對應的諸如其穩定性、變形等問題面臨較大的困難，而有關的工程結構的設計必須保證該結構在外來因素的作用下具有足夠的安全度、經濟性和合理性，這必然要求對巖體及其工程結構的受力與變形有一套量化評判體系和優化技術，抓住實際工程問題的本質特徵並建立可行的符合幾何模擬、本構模擬、受力模擬、過程模擬四原則的求解模型，通過該模型的數值模擬成果來指導巖體工程的設計、施工及運營、管理；而巖體結構面的存在使得基於傳統連續介質力學理論的理論分析和數值模擬面臨巨大的挑戰，物理模擬的試驗周期和成本也大大增加，而巖土體工程問題則成為典型的數據有限、了解程度有限類問題，這類問題的解決需要綜合應用理論分析、經驗判斷、物理模擬和數值模擬等方法，數值模擬可以完成目前許多技術手段無法完成的實驗，如參數控制，復雜條件下的邊界條件的處理，同時數值模擬具有高可重復性，且數值模擬的成本和人力開銷等遠低於物理模擬，因此研究巖土體工程問題的流形元數值模擬方法是一項具有理論和實際工程應用價值的重要課題。
  7. Then the result of certain k - shortest path algorithm is introduced as a set to be chosen by both the simulated anneal algorithm and heuristic algorithm, concerning the end - to - end traffic requirement and restriction on link bandwidth. afterwards, the effect of the value k on the outcome of the simulated anneal algorithm is researched. the network resource is allocated, while the study of link protection problem on traffic routing is introduced and two types of protection, shared protection and dedicated

    首先考察實際的網路模型，根據業務需求，引入k路由演算法的結果作為模擬退火演算法和啟發性演算法備選路由集合，在鏈路帶寬有限的約束下對網路資源進行分配，同時引入業務路由的通路保護問題的研究，實現了共享保護和專用保護兩種通路保護方式;針對全波長轉換網路和無波長轉換能力網路，根據為所有連接請求所分配的總資源最少和滿足請求的業務數目最多兩種優化目標對資源分配進行優化，研究了備選路由集大小對模擬退火演算法結果的影響;對模擬退火演算法與啟發性演算法的
  8. E for an algebra of minimal representation - infinite type with preprojective component, it is simply connected if and only if the vanishing of 1 hochschild cohomology group ; the same conclusion is true for a general algebra with minimal representation - infinite type. in chapter 3, we computed the fundamental group for hereditary algebra and other special cases, and studied the fundamental group under one point extension

    在第二章中我們得到了極小無限表示型代數單連通性的一些結論：對于具有預投射分支的極小無限表示型代數，它是單連通當且僅當其一次hochschild上同調群為零；而對於一般情形的極小無限表示型代數，也是如此。第三章中，我們對基本群在遺傳代數等幾種特殊情況下，對於一些例子作了計算。
  9. In this paper, a three - dimensional ( 3d ) program for the three - dimensional reactive flow fields of complicated geometric nozzle, which governed by the compressible full navier - stokes equations with realizable k - s turbulent model, has been upbuilt by using full implicit couple arithmetic and fvm ( finite volume method ) based on understanding and assimilation of a two - dimensional program group of cr ( chamber - radon ). the new program fulfils the urgent need of numerical tools for simulating three - dimensional reactive flow - fields of hylte ( hypersonic low temperature ) and other latest nozzles, for which cr is out of action in simulation, and can be applied to simulate other chemical laser system, such as chemical oxygen iodine laser ( coil ), overtone fluoride hydrogen, all - gas iodine laser, and so on. furthermore, some related topics about nozzles design and engineer ing also have been discussed

    本文在二維cr （ chamber ? radon ）程序研究的基礎上，採用有限體積方法和完全隱式的耦合演算法，通過求解帶realizablek -兩方程湍流模型的多組分、有反應的三維完全納維埃?斯托克斯（ n ? s ）控制方程，建立了一套能夠對復雜形狀的三維噴管和光腔進行數值模擬的三維程序，解決了連續波df hf化學激光器增益發生器設計缺乏三維數值模擬工具的問題，並用該工具解決了cr程序無法實現的hylte等復雜三維噴管流場的理論模擬問題。
  10. In july 1998, the ieee standardization group selected the ofdm modulation technique for their new ieee802. 1l a standard, targeting data transmission from 11 up to 54 mbps. meanwhile, this new ieee standard is the first one to use ofdm in packet based communications. ( before the proposal of this standard, use of ofdm was limited to continuous systems ) in this paper, the author firstly presents the technical characteristics and the typical application of wireless local area network ( wlan ), analyzes its topology structure, the network configuration and etc. then the author illustrates the media access control and the operation and frame structure of physical layer

    1998年7月， ofdm技術正式被ieee標準組確定為ieee802 . 11a物理層調制方法，使得無線局域網數據傳輸速率由11mbps提高到54mbps ，性能得到明顯改善。同時該標準是第一個將ofdm技術應用於包傳輸通信中的ieee標準（在該標準提出以前， ofdm的使用通常局限於連續傳輸系統中） 。本文中，作者首先介紹了無線局域網的技術特點和典型應用，分析了其拓撲結構、網路配置功能等。
  11. After analyzing state - of - the - art of active and semi - active structural control in the world, the dissertation focus on semi - active structural control based on the magneto - rheological dampers. and a semi - active control method is put forward, which is based on lq ( linear quadratic ) optimum control theory, and imitates the optimum active - control force with bound value to control the structural response. then two structural models " simulation is conducted to compare the effectiveness and usefulness of the semi - active control with the passive control, and present the normed criteria to analysis the results

    首先分析了mr可控阻尼機理，及mr阻尼器的兩種力學模型；然後根據最優控制理論中的二次型問題，提出採用限值擬合連續最優主動控制力的半主動控制策略，並以此控制方法針對半主動控制的強非線性控制問題，對兩種結構模型進行了模擬計算，並將半主動控制下的結構響應與採用摩擦型阻尼的被動控制結構及無控結構進行了詳細的比較分析，對計算結果提出採用范數指標進行補充評價的綜合評價方法；通過三種控制狀態下的模擬計算驗證了結構半主動控制的有效性與實用性。
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