置換分類技術 的英文怎麼說

中文拼音 [zhìhuànfēnlèijìshù]
置換分類技術 英文
replacement sorting technique
  • 置 : 動詞1. （擱; 放） place; put; lay 2. （設立; 布置） set up; establish; arrange; fix up 3. （購置） buy; purchase
  • 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
  • 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
  • 類 : Ⅰ名1 （許多相似或相同的事物的綜合; 種類） class; category; kind; type 2 （姓氏） a surname Ⅱ動詞...
  • 技 : 名詞（技能; 本領） skill; ability; trick; technique
  • 術 : 術名詞1. （技藝; 技術; 學術） art; skill; technique 2. （方法; 策略） method; tactics 3. （姓氏） a surname
  • 置換 : displace; substitute; supersede; substitution; replacement; permutation; transposition; transposi...
  1. To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5

    詳細分析了與rwa相關的光網路關鍵技術，包括傳輸、交換、組網等，重點研究了光交叉連接的功能和結構、性能，對其引入的串擾進行了詳細分析，選擇恰當的器件參數進行了數值模擬，並提出了抑制措施（如雙重濾波、優化判決門限、選擇恰當的復用波長數） ; 3 .研究了光網路的r認叭的基本原理、與r認叭的幾個相關問題（光網路類型、業務類型、流量類型、光網路生存性） 、 r認人演算法的分類和比較，具體研究了幾種動態r場人演算法; 4 .研究了以全光連接建立時間為優化目標的r認認演算法，提出預置光路的概念，對網路資源進行狀態分類（佔用、未佔用、預置） ，利用改進的r認叭演算法模擬，預置光路可為部分新到的連接請求快速建立連接，從而提高網路性能;研究了以多光纖網路連接阻塞率為優化目標的r認城演算法，提出了以節點度數、每個波長分層的空閑光纖數以及路由策略決定的幾種鏈路權重函數，利用基於波長分層圖模型的并行r場人演算法模擬，利用新的鏈路權重函數使得演算法具有更優的性能，使網路具有更低的連接阻塞率。
  2. Cool wall wizard dreaming to automatically download various colors wallpaper to work intensely all day into your computer, no longer feel monotonous and boring ; extremely rich in the network wallpaper, the 12 classification, support manually download new wallpaper ; intelligent frame rapid trimming technology, adaptive various popular display size ; timing can be manually or replacement of desktop wallpaper, different timing of the transformation also supports random transform mode ; circle player in the process, support the insertion of local wallpaper, wallpaper and local networks of pictures that turn ; to hide / show desktop icons, wallpaper and user - friendly viewing ; since the launch set to boot, the first time you gave surprise ; cool wall wizard provide three kinds of styles console skin ( white fashion, classic black, gray and elegant ) ; wallpaper borders can set the color to the background transparent desktop text

    雪狐酷壁精靈自動下載各類絢麗的壁紙，讓整天對著電腦埋頭工作的你，不再感到單調、無聊；極豐富的網路壁紙庫，十二大分類，支持手動下載新壁紙；智能邊框快速切邊技術，能自適應各種流行的顯示器尺寸；可以定時或手動更換桌面壁紙，提供不同變換時間的選擇，還支持隨機變換模式；循環播放過程中，支持插入本地壁紙，實現網路壁紙和本地圖片的交替顯示；可隱藏/顯示桌面圖標，方便用戶觀賞壁紙；允許設定開機自啟動，第一時間就給你驚喜；酷壁精靈提供有3種風格的控制臺皮膚（白色時尚、黑色經典、灰色典雅） ；還能設置壁紙邊框的顏色，讓桌面文字的背景透明。
  3. The conformal microstrip antenna with some unique character has been applied in many fields, especialy on speedy objects. in this paper, an efficient fdtd algorithm is introduced to analyse the microstrip antenna. firstly, the fdtd formula in descartes coordinate system and in cylindrical coordinate system are obtained from the time _ dependent maxwell equations using the yee algorithm in a calculating region where the dielectric parameters are independent of time and space. the choice of the space discretization units and the time discretization interval are discussed which are decided by the accuracy and stability respectively. the shape and setup of the excitation source are discussed too. the excitation source is chosen to be gaussian pulse in shape. secondly, the mur ' s first - order and second - order boundary condition are deduced in cylindrical coordinate system. the methods of transforming radiation fields from near zone to far zone in the frequency domain and in the time domain are presented when fdtd is applied to analyse the characteristics of far zone. finally, three kinds of microstrip antennas are analysed. they are a slot antenna that lies on a plane ground of a microstrip, a slot antenna that lies on a cylindrical ground of a microstrip and a microstrip line _ fed aperture coupled stacked rectangular patch antenna in cylindrical coordinate system

    本文從麥克斯韋旋度方程出發，建立了笛卡兒坐標下無源空間中均勻無耗媒質的fdtd基本方程和圓柱坐標下無源空間中均勻無耗媒質的fdtd基本方程，詳細討論了fdtd法計算中時間步長和空間步長的選取原則以及激勵源的類型和設置；推導了mur一階和二階邊界條件在圓柱坐標下的差分格式；給出了在用fdtd法計算天線的遠場輻射特性時必需採用的頻域和時域近場遠場變換技術；最後用fdtd法計算了平面微帶縫隙天線、柱面共形微帶縫隙天線和柱面共形微帶層疊天線的輸入阻抗和遠區輻射場，並分析了天線的一些參數的變化對天線輸入阻抗的影響，得出了一些有用的結論。
  4. Due to the unique, stable and live physiological properties of the iris and non - invasive to users, most stable and reliable for identification in practical applications of iris - based system, iris recognition is receiving extensive attention and becoming an active topic in biometrics. as an application - oriented research project, iris recognition integrates mathematic, computer science, optics, electronics and physiology etc. based on wavelet transform, aimed to improve the recognition performance, centered at wavelet - based iris feature representation and pattern classification, we review and explore the iris sequence image quality assessment, iris image pre - processing, iris recognition performance evaluation and several other linked topics. we mainly investigate on the principles and application methodology of wavelet transform for iris feature representation and iris pattern classification methods

    以小波變換技術為基礎，結合圖像處理和模式識別方法，設計並開發了虹膜圖像採集裝置，建立了虹膜識別演算法測試實驗平臺;重點研究了虹膜識別中的小波變換的應用基礎理論與關鍵實現技術;提出了基於小波局部模極大值的虹膜特徵表示及其多重匹配識別、基於小波多尺度信息的一維和二維虹膜紋理特徵量化表示、基於小波過零點技術的虹膜特徵表示及其規范化的部分hausdorff距離匹配識別，這三類方法能夠有效地提取虹膜特徵;基於自建的演算法測試平臺，對上述三類方法和其他三種國內外比較有影響的基於小波變換的虹膜識別方法進行了定量的性能比較和評價，通過實驗數據分析得到了有意義的結論;最後指出了小波變換技術在虹膜識別領域的研究重點與發展方向。
  5. Then it demonstrated that layer 3 mpls vpn has high security, the ability of overloading multi - service, function of routing and can realize central management and configuration. it has mature and credible technology and is the most appropriate ip vpn technology for the development of telecom service provider. on the basis, it analyzed the security of mpls vpn and the characteristic of qos, and proved the high security of layer 3 mpls vpn, then by combing with technology of differ service and te ( transfer engineering ), it proved layer 3 mpls vpn can provide qos of low delay and high reliability to satisfy the need of telecom network

    論文首先討論了ipvpn的隧道技術及標志交換技術，尤其結合當前最新的技術詳細討論了標志交換中的三層mpls （多協議標簽交換） vpn技術和各類二層mplsvpn技術，論證了三層mplsvpn具有高安全性、多業務的承載能力、路由功能，可以實現集中管理和配置，技術上成熟可靠，是當前最適合電信運營商發展的ipvpn技術;在此基礎上全面探討了mplsvpn的安全及qos特性，說明了三層mplsvpn具有很高的安全性能，同時通過結合differservice技術及流量工程技術， mplsvpn能夠提供低時延、高可靠的qos保障能力，滿足電信網路運行的需要;並且根據當前最新的雙平面組網技術和iptn技術跟蹤分析了mplsvpn當前的最新發展趨勢和動向。
  6. This paper first research on main technologies used by avs standard, which include prediction, transform, quantization, in - loop filter, and entropy encoding, and then focus on the 2d - vlc entropy coder of avs, which is context - based adaptive coder. this encoder operates on run - level pair, and it uses the type of current block and value of current coefficients to switch vlc code - table. these tables are designed according to the distribution of transformed coefficients, and this way is much better than using only one table to code all residual coefficients in one 8x8 block

    本文首先詳細研究了avs標準的核心技術，包括預測編碼、變換量化、環路濾波器以及掃描和熵編碼等，之後重點研究了avs標準中使用的基於上下文的2d - vlc變長編碼方法，這種方法編碼的是（ run ， level ）數對，同時根據當前編碼塊的類型和殘差系數這兩種上下文信息來切換碼表，這些碼表是預先根據變換系數在不同位置的分佈信息設計好的，這樣要比只使用一個變長碼表來編碼塊內所有位置上的殘差系數的壓縮效果要好得多。
  7. The automatically switched optical network ( ason ) can configure the network intelligently according to the type and traffic of service and the network resources, so gives the optical network the ability of configurable bandwidth and dynamic end - to - end connection management. the network is firmly protected in mechanism and can be self recovered once unexpected accidents happen. so it is widely considered as the strategic technology in the next generation network

    自動交換光網路（ ason ）通過對業務進行分類，可以依據網路資源和業務流量對網路進行智能化配置，在網路故障時提供強大的保護/恢復能力，賦予了光傳送網實時提供可配置帶寬和動態的端到端連接管理能力，被廣泛認為是下一代光網路的主流技術。
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