置換運算 的英文怎麼說

中文拼音 [zhìhuànyùnsuàn]
置換運算 英文
in-place computation
  • 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
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 置換 : displace; substitute; supersede; substitution; replacement; permutation; transposition; transposi...
  • 運算 : [數學] operation; arithmetic; operating
  1. Secondly, programmed the image processing arithmetic code which include the bottom arithmetic for the general condition comprises threshold division, region combination and informate and the middle level arithmetic for the given task comprises detecting the line dation creirection according to the hough transform in order to fix on the hole ’ s azimuth angle, detecting the aiguille tip position according to the image movement according to the environment and the image format

    然後，根據目標環境要求和攝像機採集圖像格式，開發了圖像處理演算法程序。圖像處理演算法包括底層演算法和中層演算法兩部分，底層演算法針對通用情況，包括閾值分割、區域合併和信息生成。中層演算法針對具體任務設計，包括利用hough變換檢測棱線的方向，從而確定圓孔的方位角和利用基於圖像運動檢測鉆頭尖端位置。
  2. The watermark algovithm can resist the physical transfer of printing and scanning by applying techniques such as fixation normalization mutually which can secure the embedding position, chaotic encipher encryption, multipassage embedding and so on. what ’ s more, the watermark designed in this essay is binary image. it can bear a large amount of information

    本文綜合運用了歸一化相關確定嵌入位置、混沌加密、多通道嵌入等技術，使得本文所設計的水印演算法能夠抵抗印刷和掃描的物理轉換過程，同時本文所採用的水印是二值圖像，能夠承載大量的信息。
  3. Abstract : large time delay exists in complicated practical processes. for example, in fccu ( fluidized catalytic cracker unit ) reactor - regenerator, the feed is preheated through heat exchanging from fractional column slurry, thus results in large time delay. a predictive control system is designed for such processes, where the kernal algorithm is dynamic matrix control. application results show that the control behavior is improved than original pid control

    文摘:實際的復雜工業過程，往往具有大的時滯，例如：煉油廠催化裂化裝置的反應再生系統，其原料油預熱通過油漿換熱實現，因此時滯特別大.本文針對這一類大的時滯過程，設計了以動態矩陣控制為核心演算法的預測控制系統，運行實踐表明：這一控制方案比原pid控制在控制質量上有較大提高
  4. With relations of operators and matric, we will show that the inverse a - 1 of positive operator a is still a positive operator if and only if that a is a generalized permutation

    利用運算元和矩陣的關系，得到正運算元t的逆是正運算元的充要條件是t是廣義置換運算元。
  5. Aspheric optical compound machine tool ( aocmt ) which integrates grinding, lapping and polishing is developed. the influences of motion errors on grinding accuracy are analyzed. according to homogeneous coordinate transition model, the postposition processing algorithm in multi - axis numerical control machining is deduced

    3 、研製了集銑磨成型、研磨、拋光於一體的光學非球面復合加工機床（ aocmt ） ，分析了各種運動誤差對銑磨精度的影響；根據空間齊次坐標的變換模型，推導出多軸數控加工的後置處理演算法；通過五軸數控聯動， aocmt機床能夠以法向方式加工出任意復雜的光學表面，銑磨精度穩定在8 m之內。
  6. An arithmetic device with low power consumption includes master latches, a dynamic range detection unit, slave latches, an operation unit, and a word - length restoration unit

    一種低功率消耗的算術裝置，其利用輸入主級閂、動態?圍偵測單元、控制轉換仆級閂、運算單元、位元數還原單元以構成。
  7. The adm system mainly includes a oscillator, a clock generator, an amplifier, a pre - amplif ier, a comparator, an agc ( automatic gain control ), an adm analyzer & synthesizer, a d / a converter and a lowpass filter

    整個系統包括：內置振蕩器，時鐘產生器，放大器，前置運算放大器，比較器， agc （自動增益控制器） ， adm分析綜合器，數模轉換器以及低通濾波器。
  8. By using it, the section mapping drawings of multi - types & complex pipeline system can be automatically generated through the entity crossing operation. this method composes of the following three key steps. in the first, different graphic entities are identified from the complex pipelines drawing in terms of the layer information they owned, then the correspondent information is to be encapsulated to keep the spatial data completeness of the graphic symbols

    該方法通過管線系統設計圖中的圖形實體的分層處理與信息封裝，首先實現了復雜管線實體的自動識別並確保了圖形實體具有對應管線實體對象的完備空間信息；在此基礎上，根據用戶給出的任意位置截切線，構造隱式描述的截切面並與隱式描述的管線實體進行求交運算；最後通過對求交結果的坐標變換，生成能夠直觀反映出多類型復雜管線系統空間分佈信息的截切面映射圖。
  9. Gets or sets the view transformation matrix for fixed point math operations,

    為定點數學運算獲取或設置視圖轉換矩陣。
  10. Subsequently we analyze the isomorphism relationship between ergodic matrices and the corresponding permutation group. by defining the permutation symbol operation system of ergodic matrices, we constructed a union form to express all existed permutation algorithms

    通過在理論上分析遍歷矩陣和置換群的同構關系，定義了遍歷矩陣對應的置換運算和符號體系，再統一的框架下表達各種圖像置亂變換。
  11. Advanced fpga technology is introduced to improve the integration of digital circuits, and all digital circuits in the original module are integrated in the fpga chips, which could not only reduce the cost, but also improve the reliability and measurement precision of the circuits. high speed digital signal processor ( dsp ) is selected as the coprocessor instead of scm ; it can receive all kinds of commands sent from vxi, analyze and execute the commands, harmonize each section of the module and process the data. higher - conversion - speed comparator chip is adopted to convert the input signals being measured into square waveform signals which could be identified by fpga chip ; it can expand the measurement range of frequency dramatically

    本文在原有vxi總線四通道計數器模塊的設計基礎上，通過對原模塊缺陷的分析，採用一些新的技術和新的電子器件來重新設計該計數器模塊:採用最新的fpga技術來提高數字電路的集成度，將原模塊中的所有數字電路全部集成在fpga晶元中，這樣不僅能節約成本，還能提高電路的可靠性和測量精度;採用高速的數字信號處理器（ dsp ）取代原有的單片機作為協處理器，來接收vxi發來的各種命令，分析命令、執行命令、協調模塊各部分的工作以及對數據的處理;採用轉換速率更高的比較器晶元將輸入的被測信號轉換為fpga晶元能夠識別的方波信號，能極大提高測量頻率的范圍;採用d / a轉換晶元和隔離運算放大器得到隔離通道所需的比較電平，該比較電平值能夠根據實際需求進行設置，能增強模塊的使用靈活性。
  12. Chapter 2 analyzes parallel process technology ' s actuality, the requirement of real - time process, and mostly guidelines of parallel process performance. chapter 3 discusses imaging algorithm - - - - - - chirp scaling algorithm theory as well as realization of ideal point target ; and then discuss the scalar of data and operation. chapter 4 discuss the fft and distributed matrix transposing, mostly about ( 1 ) discussed how to realize parallel fft, and evaluate the preformance of parallel fft ; ( 2 ) discuss another step ' s - - - - - - matrix transposing - - - - - - realization can divided into three steps : distributing, renewedly distributing and local transposing of matrix, and then discuss the time of process in detail

    第四章分別研究了cs演算法中的fft變換和分散式矩陣的轉置問題，主要有： （ 1 ）對cs演算法中運算量最大的步驟fft變換進行了并行性的提取，並對并行fft變換的演算法性能進行了評估； （ 2 ）分析並研究了cs演算法中另一不可或缺的步驟? ?矩陣轉置問題，提出矩陣分佈、重新分佈和局部轉置來實現矩陣轉置的并行化，並詳細分析了矩陣轉置的時間耗費問題。
  13. Fiber optic gyro ( fog ) inertial system provides angular velocity and acceleration measurement of measurement body along three axes, based on the attitude matrix refreshed by outputs angular velocity to transform the acceleration from the body frame to the earth frame, finally through acceleration integral we can get the position of the measurement body in the space. fog is popular in the navigation field for many advantages, such as wide dynamic range, high resolution and all solid components

    該測量方法利用捷聯式光纖陀螺輸出的角速度和加速度信息，測出運載體沿三個方向的加速度分量；再利用光纖陀螺輸出的角速率信號，不斷更新測量體的姿態轉換矩陣，將加速度分量用轉換矩陣更換到地理坐標系；最後經過計算機對轉換后的加速度信號積分運算分別可得到運載體在三維空間中的位置。
  14. This thesis contrasts and analyses the different calculation - method, and improves the genetic algorithm in the parameter inversion of the rock and soil engineering. the strategies are mainly in the following three aspects : 1, new searching way is compositely searching genetic algorithm which is made up of the acceleration method and genetic algorithm when it partially calculates in the later time ; 2, index function is inducted in gengetic operators, at the same time repeated select and double exchange pool are used ; 3, splicing crossover, which reserves some new evolution factions, improves authority function accaunting the capabilities and kinds

    本文對優化演算法中不同求解方法進行對比分析，針對遺傳演算法在巖土工程參數反演運算中進行了改進，改進的策略主要集中於三個方面： 1 、提出了在遺傳演算法中融入形加速法的改進方法? ?復合遺傳搜索法； 2 、針對遺傳運算元的選擇策略，引入指數適值方法，設置雙交換池，提出了重復篩選法； 3 、加強對劣勢種群的內部優良信息的遺傳功能的改進，引入權函數，擴大可交叉運算元的種類，保留各運算元的進化功能，提出了融合交叉運演算法。
  15. A decoding algorithm based on transform and fast hadamard transform changes the matrix multiplication to the addition, subtraction and position exchanging among the matrix elements, so reduces the demand of the instrument for computer

    基於變換和快速阿達瑪變換的解碼演算法，將矩陣乘法簡化為矩陣元素間的加、減運算和位置交換，降低了儀器對微機系統的要求。
  16. To solve the problem of watermark encryption, a novel permutation operator is proposed, based on which the permutation scheme and the substitution scheme for watermark encryption are designed ; encryption algorithms in spatial domain and transform domain are proposed. the ciphered image can be jpeg compressed before it is transmitted, and low - distortion plain image can be obtained after decrypting the compressed encryption image

    為解決水印信息加密問題，我們在第三章提出混沌有序化運算元方法，設計了水印信息加密的置亂模塊和替代模塊;還給出了空間域和變換域數字圖像加密演算法，密文圖像可以經過有損壓縮再傳輸，經過解密得到低失真的明文圖像。
  17. Gets or sets the projection transformation for fixed point math operations

    為定點數學運算獲取或設置投影轉換。
  18. After the comparison with many algorithm, the paper chose alternating sample algorithm, and we also proposed a kind of fourier algorithm on the basis of dispersed fourier algorithm and its fast fourier algorithm, it improved systematic operation efficiency greatly, and made it can be used online among the practical devices. the system adopted module design, which was the foundation of upgrading and expanding system

    本文還通過與多種演算法的比較，經綜合考慮最終選取了適應系統需要的交流采樣方式，均方根演算法，並提出了一種基於離散傅立葉變換及其快速傅立葉演算法的用於諧波分析的全周波傅立葉演算法，其大大提高了系統的運算效率，使之能夠在實際裝置中在線使用。
  19. Intel corp., may 1999. 11 princeton architecture lab for multimedia and security. http : palms. ee. princeton. edu

    Momr也是一個公認的能夠獲得高性能位置換和多字運算的方案。
  20. In many cases, there are more than one sheet, and the acreage of these sheets are not the same. furthermore, placement of stock sheets should not overlap on each other, and should do bool calculation, as well as switch their station and direction to these parts

    此外，板材排樣優化還應滿足板材上零件圖形間互不重疊，且在板材矩形區域內，需要對零件圖形進行復雜的布爾運算、位置方向變換等圖形操作。
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