算符演算 的英文怎麼說

中文拼音 [suànfúyǎnsuàn]
算符演算 英文
operational calculus
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 符 : Ⅰ名詞1 （符節） tally （with two halves made of wood bamboo jade metal issued by a ruler to gener...
  • 演 : 動詞1 （演變; 演化） develop; evolve 2 （發揮） deduce; elaborate 3 （依照程式練習或計算） drill;...
  • 演算 : perform mathematical calculations; calculation; calculus演算器 exerciser
  1. And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results

    接著，對自適應調制系統中的通道估計問題難點，詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然（ ml ）估計和最大后驗概率（ map ）估計演算法，針對平衰落通道，我們模擬了map估計和ml估計的方差與導頻符號長度的關系，模擬結果表明，錯誤方差受多譜勒頻率的變化影響最大，並且對實際的自適應調制系統，導頻符號長度的取值超過20個符號長度時， map通道估計明顯優于ml通道估計。
  2. In this diploma thesis, the statistic and structural characteristic of musical score image is analyzed and synthesized by relevant technology of image project, pattern recognition, mathematical morphology, software engineering, music knowledge, midi and so on. the concept of direction number has been defined, and then the mathematical morphology theory is used to process musical score image and recognize musical information. specialized direction number algorithms are firstly used to preprocess a musical score image and then recognize stafflines, barlines, pitch, note values, clef, etc. finally the musical information of the musical score image is automatically stored in the midi format

    本文利用圖像處理、模式識別、數學形態學、音樂知識庫與midi等相關技術，分析與綜合數字樂譜圖像的統計與結構特徵，提出了方向數等概念，對樂譜圖像進行處理，利用直方圖技術與方向數演算法識別譜線、小節線、符乾等樂譜的主要框架，然後用數學形態學理論識別音高與時值，最後根據這些音樂信息，組合成音樂樂譜信息，並自動轉化成midi格式。
  3. Mapping object identifiers to cryptography algorithms

    >將對象標識符映射到加密演算法
  4. An unsigned integer representing the hash algorithm

    表示哈希演算法的無符號整數。
  5. In this paper, research on the algorithm of complete digital if and baseband transmission system and the realization of transmitter and receiver. / 4 - dqpsk is chosen as digital modulation scheme. the scheme of demodulation is baseband differential detection. sliding correlator can realize the symbol synchronous acquisition ; early - late gate synchronizer is used to do symbol synchronous tracking

    系統的發射機選定/ 4 - dqpsk為調制方式，接收機採用基帶差分解調的非相干解調方式，滑動相關器捕獲發送的pn序列，早遲門同步器跟蹤符號同步，使用相關器對同步后的符號進行最佳判決，並在這些演算法實現的基礎上，實現了直接序列擴頻和解擴技術。
  6. In this paper we also designed the computer optical elements based on the scalar quantity diffractive theory, which can change the laser beam into a square frame. we mainly refered to the one of those improved algorithms of gerchberg - saxton ( gs ). with the computer simulation and drawing program, the simulated diffraction patterns were gotten in this paper, the results agreed with the anticipated diffraction patterns ; in the paper we also design the computer optical elements that can shape the laser beam into a double circle shape, a lamp shape and so on

    計算機模擬成像結果與預期得到的衍射圖樣相符合;文中還討論了設計參數對成像質量的影響規律。同時，本文還用標量理論設計了把高斯光束整形為雙圓斑形光束的計算機光學元件，文中主要是參考改進的gs （ gerchberg - saxton ）演算法;通過計算機模擬，得到了計算機光學元件表面的相位浮雕圖。
  7. The random sea echo generation does ' t accord with the mechanism of sea echo generation

    以前的隨機生成演算法，不符合海雜波的生成機制。
  8. Who calculating the condensing heat transfer, the algorithm uses the nusselt w. method and used a coefficient of correction. by this coefficient the contradiction between the actual condition and the assume condition of nusselt is solved

    為此，演算法在計算凝結換熱時採用nusseltw .方法並加入了修正系數，解決了復雜且變化的實際工況與nussen所假設的條件不完全相符的矛盾。
  9. This paper discusses the methods of similarity measurement of most clustering algorithms, and taking the type of attribute as a standard of choosing similarity, it expounds the methods used to measure numerical attribute, categorical attribute and mixed attribute

    討論了在大多數聚類演算法中的相似性測量方法，並以屬性的類型作為選擇相似性的標準，闡述了用於數值屬性，符號屬性及混合屬性相似性測量方法。
  10. All the connected units in the page are detected by search algorithm of connected region. the row - column mergence of the character is defined by fuzzy connectedness of the connected units at four orientations. the combination of punctuation we adopt the method of combination behind recognition due to great effect of mergence

    版面圖文分割主要採用自底向上的辦法，利用連通域搜索演算法檢測出文本頁面上的所有連通基元，通過對連通基元的四個方向上的連接度進行模糊化處理來決定文字行、列的合併，並對在文字行合併時影響較大的標點符號採用先識別后合併的方法。
  11. For supporting multilevel embedding domains, linear table instead of multilevel table is used to make the implementing of information tables management ( such as symbol table and constant table management ) simple and effective. to fulfill the searching algorithm of symbol table and constant table, an assistant table is introduced to solve the problem caused by the use of hash algorithm

    在信息表管理方面，沒有採用多級的表組織方式，而採用了線性的表組織方式，簡單高效地實現了對作用域多層嵌套的支持；在表的查找演算法的實現中，通過輔助表的引入，解決了符號表和常量表的順序填寫法與hash演算法中表項記錄的hash函數定位法之間的矛盾這一難點。
  12. The uniform resource identifier that describes the cryptographic algorithm associated with the

    值關聯的加密演算法的統一資源標識符（ uri ） 。
  13. A / d samples the intermediate frequency signal. the digital signal proceeding part based on tigersharc dsp can process the baseband digital signal including the algorithm of baseband modulation, baseband differential detection and symbol synchronization, etc. digital up converter supports interpolation filter and complex mixer

    A / d對中頻信號進行采樣，數字信號處理部分以tigersharcdsp為核心，負責基帶采樣數字信號的處理，實現基帶信號調制，基帶差分解調，符號同步的捕獲和跟蹤等演算法。
  14. With applying dsst algorithm, mobile agent can solve the problem of selecting router. synthesizing advantages of centralized search engine and distributed search engine, through it that system obtains the best way that agents mobile does. after statistics analysis, the author gets the mathematic pattern that mobil agent clones right times

    利用idl語言定義了agent在多種平臺上移動的介面，設計了一個符合maf規范的插件，實現agent在異種平臺之間的移動；利用動態最小生成樹演算法解決移動agent的路由選擇問題，綜合集中式搜索和分散式搜索的特點，動態尋找出一條agent移動的最佳路線；通過統計分析得到移動agent克隆的數學模型，通過計算可以獲得agent克隆個數的最佳值。
  15. We examin e the generation of bell state in bose - einstein condensates of two interacting species trapped in a double - well configuration analytically and the density of probability for finding the entangled bell state is given. we find that the oscillation amplitude of the probability of density for finding the entangled bell state becomes greater as the ratio of the interspecies interaction strength and the tunneling rate increases, moreover the self - interaction strength of the component a ( b ) has no effect on it. also we use the time - dependent su ( 2 ) gauge transformation to diagonalize the hamilton operator, obtain the berry phase and analytically the time - evolution operator

    此外我們還研究了在雙阱玻色-愛因斯坦凝聚中糾纏態的演化，研究發現隨著組分間相互作用和隨穿率的比值的增加系統演化到bell態的概率變大，而且組分自身內在的相互作用對形成bell態的幾率沒有影響；並且用含時su （ 2 ）規范變換對角化哈密頓量得到了系統的berry位相和時間演化算符，並研究了量子隨穿過程。
  16. Response surface has been built based on bp neural network with relationship of maximum of spinning force variety, material parameters and power spinning process parameters established and optimum achieved by using particle swarm optimization algorithm hence optimization of tube power spinning process parameters

    摘要以bp神經網路為基礎構建響應曲面，建立材料參數、筒形件強力旋壓工藝參數等和旋壓力最大變化值之間的關系，並用粒子群優化演算法求解，獲得符合優化條件的最優解，從而實現筒形件強力旋壓工藝參數的優化。
  17. In computation of swept volume approximation, an improved technique to generate the swept volume approximation for arbitrary meshes is presented by introducing generator simplification and path resample using frenet moving frames along the discreted sweeping trajectory. other steps, such as a directed distance field computation on a uniform grid based on the hardware accelerated computation technique and iso - surface extraction using marching cubes algorithm, are also included in this algorithm. in addition, the simplification scheme and smoothing technique are applied to the swept volume generated from iso - surface extraction

    本文的主要貢獻在於：在掃描體逼近計算方面，在原有任意多邊形網格模型沿任意路徑運動生成掃描體逼近演算法的基礎上，提出了加入對掃描母體簡化的預處理和用活動標架對掃描路徑進行重采樣等過程，演算法的其它過程還包括：計算掃描體中幾何基元的排列，用硬體加速構造無符號的有向距離場，將無符號距離場轉化為有符號距離場，從有符號有向距離場提取等值面等。
  18. Notations and vocabulary of symbolic calculus and of z - transformation

    算符演算的符號和詞匯.拉普拉斯轉換和轉換
  19. Reference to mpeg - 7 standards, mainly researches feature extracting schemes of video visual information. it includes histogram refinement in rgb color space, histogram in hsv color space, color coherence vectors algorithm and homogeneous texture descriptor extraction algorithm

    論文中主要研究的視覺特徵提取方法有： rgb顏色空間的改進直方圖法、 hsv顏色空間的直方圖統計、顏色相關向量法和提取同類紋理描述符演算法。
  20. 19 kleinberg j m. authoritative sources in a hyperlinked environment. journal of the acm, 1999, 46 : 604 - 632

    為解決這些問題，本文提出一種新的符號網路共體挖掘算mcs演算法。
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