置換編碼 的英文怎麼說

中文拼音 [zhìhuànbiānmǎ]
置換編碼 英文
permutation encoding
  • 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
  • 編 : Ⅰ動詞1 （編織） weave; plait; braid 2 （組織; 排列） make a list; arrange in a list; organize; gr...
  • 碼 : Ⅰ名詞（表示數目的符號或用具） a sign or object indicating number; code Ⅱ量詞1 （指一件事或一類的...
  • 置換 : displace; substitute; supersede; substitution; replacement; permutation; transposition; transposi...
  • 編碼 : encoded; code; coded; encrypt; codogram; coding編碼表 encode table; 編碼程序 builder; 編碼尺 code...
  1. In the array scheme of with the diaphragm, the optimization of semiconductor optoelectric devices array forms a sky screens. while the bullel passing through the sky screens, the outputs of optoelectronic devices are amplified and coded, and then transmitted to the computer for processing

    半導體光電件陣列方案是將半導體器件陣列和光闌合理配置，形成天幕，將彈丸過靶信號光電轉換、放大，經過編碼處理，最後送入計算機處理。
  2. At first we improve the methods of iris image preprocessing, including an efficient arithmetic of evaluation iris images, an improving method of locating iris, calibrating iris image by the translation of coordinate and the circular shift of code, a eatimate of the background illumination by bicubic spline, and the image enhancement by the dual tree complex wavelet transform. next we designed the recognition arithmetic based on the location of the local maxima of the wavelet transform modulus. in the thesis lots of simulation are performed by means of matlab and visual c + +

    首先改進了虹膜預處理方法，實現了一種快速高效的虹膜質量評價演算法;設計了一種改進的兩步虹膜定位演算法，準確的定位了虹膜的內外邊界;利用坐標轉換和編碼的循環移位實現了對虹膜圖像的配準;利用雙三次樣條函數擬合虹膜圖像背景，去除了非均勻光照對虹膜識別的影響;使用二分樹復數小波方法增強了虹膜圖像的對比度;在識別演算法方面，本文設計了一種「基於小波模極值點位置的虹膜識別演算法」 。
  3. At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder

    硬體方面，採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。
  4. This thesis focuses on the ingress process module of ctu, which translates c - 5 dcp format to rainier 4gs3. the specification analysis, architecture and logic design, functional simulation testbench design, synthesis report and testing result are discussed in this thesis. the research work mainly includes : the specification analysis and design requirements of ctu logic ; the architecture and logical design of ingress process module, which includes receive control fsm, send control fsm and cell position adjustment logic ; the performance improvement of ingress process module to receive and transmit data cell at the full line speed

    本論文的主要研究工作包括：通信協議轉換邏輯的功能分析和設計需求；通信協議轉換邏輯上行方向的系統分析及體系結構設計，包括上行接收狀態機、發送狀態機、信元內位元組位置調整機制等的設計；通信協議轉換邏輯上行方向的線速設計，主要是上行接收的線速設計，要使用流水設計技術；提出了高速實現roundrobin調度策略的實現方法，並設計實現了桶式移位器和優先級編碼電路；應用bfm模擬模型設計了上行處理各模塊的模擬testbench ，完成了各級模塊的模塊模擬和系統集成模擬。
  5. Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control

    本文結合相關技術的介紹和分析，描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現，此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備，該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能，同時該設備的驅動程序基於wdm模式，並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面，能夠方便地運行在windows98 / 2000 / xp操作系統平臺上，具有實時性強、工作穩定、通用性較好和性價比高等特點。
  6. ( 3 ) study deeply the structure of fat 16 file system and the characteristic of flash disk, and develop the file management software of flash disk to manage nc files effectively according to the management idea of fat 16 file system. ( 4 ) research the module and protocol of reliable communication in serial network, which are composed of arm main control board, dsp motion control board, keyboard board, i / o control board and encoder signal collection board, and then develop communication software of the serial network. ( 5 ) study the principle of displaying char in lcd and the method of embedding font library into operating system, and research deeply the method of embedding chinese font library into os in the light of the characteristic of chinese

    本論文的主要研究內容如下： （ 1 ）研究uc os -實時嵌入式操作系統在硬體平臺上的移植及其佔先式內核的任務調度原理，合理分割銑床控制系統的管理任務，根據任務的要求賦予不同的優先級和調度時間，保證任務的執行效率和實時性； （ 2 ）開發底層設備驅動程序和應用程序介面（ api ）函數，以便於進行系統應用軟體的開發； （ 3 ）深入研究fat16文件系統的結構和固態盤的硬體特性，參照fat16文件系統的管理思路，開發固態盤文件管理軟體以有效管理nc代碼文件； （ 4 ）深入研究由arm主控板、鍵盤板、 i o控制板、編碼器信號採集板等裝置組成的串口通訊網路可靠通信的模型及其通訊協議，開發串口通訊網路通信軟體； （ 5 ）研究字元的顯示原理和在操作系統中嵌入字庫的方法，在此基礎上結合漢字的特性深入研究中文字庫的嵌入方法，開發中文字庫嵌入軟體，滿足開發操作界面的信息要求； （ 6 ）深入研究三維圖形坐標變換的原理，開發實用的三維加工軌跡顯示軟體，便於操作者對零件的加工過程進行監控和診斷。
  7. Yes qrinterwork - return, and no option. when set to yes, the compiler generates thunking code to interwork arm 16 and 32 bit code

    當設置為「是」時，編譯器生成形式轉換代碼，以使arm 16和32位代碼交互工作。
  8. One is to use fourier transformation to convert the source signal from time domain to frequency domain and to discard high frequency harmonious components upwards of 19 ( gb / t14953 - 93 d5. 3 demanding ), then to have static huffman coding to the quantized char array which is composed of reserved direct current component and basic wave and each high frequency " s amplitudes and angles. the other is to use discrete wavelet transformation to convert the source signal from time domain to frequency domain and to set the high frequency coefficients that its absolute value is smaller than the given threshold to zero, then to have dynamic huffman coding to the quantized char array which is composed of multiple, wavelet ' s level, datum length, low frequency coefficients and reserved high frequency coefficients. mass simulinks and analyses under the two circumstances have done to show that data compression ratio is small and the relative error is also small and within the permission of engineering and the compression problem can be solved in theory of measured datum of power system

    第一種情況的壓縮方法為：採用傳統的傅立葉變換把原始信號從時間域變換到頻率域，舍棄20次及其以上的高次諧波成分（保證了gb / t14953 ? 93d5 . 3要求） ，然後對保留的直流分量、基波和各次諧波的幅值和相角數據量化后和量化時分別乘以的倍數系數構成一個數組，以字元形式保存，採用靜態huffman編碼對變換數據進行壓縮；採用離散小波變換把原始信號從時間域變換到頻率域，然後對分解得到的高頻系數進行閾值量化處理，對乘以的倍數系數、小波變換的階數、小波變換后的低頻、各級高頻以及原始數據長度、量化后的低頻系數以及保留的高頻系數大小、位置構成一個數組，以字元形式保存，採用動態huffman編碼對這個文件進行壓縮。
  9. The fundamentals and basic flow of genetic algorithm are discussed in detail. associated with the production mode and characteristics of wall - paper industry, its production scheduling belongs to the hybrid flow shop ' s problem. applied based - on permutation coding genetic algorithm and used minimal production time as target function, it is solved the problem of low efficiency of wall - paper production equipments " utility that is caused by manpower scheduling and improved the production efficiency

    2 ）對生產調度問題的研究現狀和研究方法做了綜述和整理，深入探討了遺傳演算法的基本原理和基本流程，並結合墻紙行業的生產模式和生產特點，指出其屬于混合flowshop問題，採用基於置換編碼的遺傳演算法，並以最小生產時間作為目標函數，較好的解決了由人工調度帶來的墻紙生產設備使用效率偏低的問題，提高了生產效率。
  10. Magnetic sensors are an important branch that can be used to detect the non - electronically characteristics through the magnetic field. the insb intellectualized magnetic coder sensor in this paper is designed for the measurement of the position of object and the angular velocity of object. through the sensor, the information of the position and the angular velocity are changed to electric pulse which can provides to other second instruments

    通過磁場的無接觸特性，對非電量的測量是磁傳感器應用的一個重要方面，本文所研究的智能化磁編碼器是對于轉動物體的位置、角速度進行高精度測量的一類傳感器，它可以把轉動物體的位置和角速度信息轉換成電脈沖信號，供二次儀表使用。
  11. At the same time, a novel approach to construction of ldpc codes based on the permutation matrix was proposed which got a parity check matrix with the shortest girth is 6. these codes keep the advantage of linear encoding and become more flexible. simulations show that the performance of short length codes of this kind is as excellent as other ldpc codes

    同時提出一種基於置換陣循環移位的構造方法，得到的校驗矩陣圍長至少為6 ，且保持編碼的線性復雜度，碼率靈活，模擬結果驗證了置換陣ldpc碼碼長較短時，在高斯通道下性能接近或超過現有其他構造方式的ldpc碼。
  12. The physical structure, physical layer protocol and multiple optimized opto - electronic and electronic to electronic design schemes for the next generation of cable digital tv optic packet switching network are discussed in the light of the generation of optic packets, coding scheme, regeneration of optic packets, synchronization of optic packets and flux allotment in optic packet switching

    摘要從光分組的產生、編碼方案、光分組的再生、光分組同步以及光分組交換的流量分配等入手，討論了下一代有線數字電視光分組交換網路的物理結構、物理層協議配置及光電、電電的多種優化設計方案。
  13. Science and technology develops rapidly in the 21 th century, especially technologies of computer, communication and internet, the audio - visual information technology makes people exchange, search and transfer information more efficienctly, which is the perfect work of digital coding technology

    隨著科學技術，特別是計算機技術、通信技術和internet網路的飛速發展，無庸置疑，視聽信息成為人們迫切需求的主流信息，在視音頻數據內容的檢索、交換和傳遞等過程中，時刻都要應用數字編碼技術。
  14. The fast dct algorithm not only can reduce the multiplication number, but also can combine the post - scaling and matrix transpose needed for fast dct with the quantization and scan processes, so as to speed up the whole mpeg encoder. in addition, the table - lookup fast quantization algorithm can further speed up the encoding process

    本章提出的快速dct演算法不僅減少了所需乘法的次數，而且變換后的後置乘法和矩陣轉置過程可與量化和掃描相結合，進一步加速浙江大學博士學位論文整個mpeg編碼過程。
  15. 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。
  16. Completed the initialization of can parameter for the communication card and conversion card by compile setting program. designed communication program to actualize the supervision and control of programmable logic controllers by upper computer

    使用專用can介面庫函數編寫設置程序完成了對介面卡、 can485轉換卡的can參數（如濾波方式、通訊模式、驗收碼和屏蔽碼等）的初始化設定。
  17. The thesis then introduces top - to - bottom schemes, which discuss the functional design of hdtv test pattern signal generator according to the tasks and platform of the system, and develops the function of subsystems. the thesis analyses the theory and mathematic model of hdtv test signal, and studies the signal generating scheme called single - fpga and multi - prom, and describes in detail its key modules such as configuration connecting, prom routing, control and switch timing design and so on. the single - fpga and multi - prom scheme increases the number of prom to reduce the degree of fpga demanded, thus

    論文分析了hdtv測試信號的原理及數理模型，提出了一種以單晶元多配置為特色的信號生成方案，並對該方案的配置連接、晶元選路、控制切換時序設計等關鍵模塊進行了詳細敘述，該方案以增加配置晶元數量來降低對主晶元要求，不但降低了產品成本，還使各測試信號的代碼編寫和產生相對獨立，有利於合理使用晶元資源，實現多種復雜的hdtv測試信號，縮短開發周期。
  18. 2. the design of computer control system by combining plc with technical computer came ture, and discussed the problems of plc hardware configuration, plc control software and the software design of 3. design and tailor the module of communication translation from profibus to rs232 / 485, and discussed the methods of use and programme. it fingures out the communication translation between profibus - dp simens commen used communication protocol and rs232 / 485 hardware equipment. it makes the commen equipment ( for example : the module of radio communication, the module of coding cable position detection, and so on ) using rs232 / 485 can be used as substation to switch in the system of simens, and extensions the range of the system of simens plc

    3 、設計製作profibustors232 / 485通訊轉換模塊，並對該通訊轉換模塊的使用及編程方法進行了討論。解決了西門子常用通訊協議profibus - dp到rs232 / 485協議硬體設備之間的通訊轉換問題，使採用rs232 / 485通訊的通用器件（如mds無線通訊模塊、編碼電纜位置檢測模塊等）可以作為profibus - dp分站接入西門子plc系統中，大大擴展了西門子plc系統的應用范圍。
分享友人
分享到 Line

分享到臉書