相位編碼器 的英文怎麼說

中文拼音 [xiāngwèibiānmǎqì]
相位編碼器 英文
phase encoder
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 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...
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 相位 : phase position; phase
  • 編碼器 : （將一項信息變換成一系列數碼信號的電路） coder; encoder; encipheror編碼器方框圖 encoder block diagram
  • 編碼 : encoded; code; coded; encrypt; codogram; coding編碼表 encode table; 編碼程序 builder; 編碼尺 code...
  1. Chapter 3 discusses the modules used in the fh - mpsk and fh - / 4dqpsk systems. these modules include : duc / ddc ( digital up converter / digital down converter ), nyquist flitter, burst start detection, interpolation module, pll ( phase locked loop ), pll error extraction, initial phase correction and the coding and decoding for tcm

    第三章主要討論了跳頻模式下fh - mpsk和fh - 4dqpsk系統中各個模塊的設計，這些模塊包括：上下變頻器、奈奎斯特濾波器、信號到達檢測、插值模塊、通用環路、各環路誤差提取方法、初始相位校正和tcm編譯碼。
  2. In order to obtain a high - quality speech codec, the phase information of speech should be included in codec. in this thesis, a method for quantizing the phase of sew ( slowly evolving waveform ) and reconstructing sew ’ s phase with cubic polynomial interpolation is given based on the perceptual weighting analysis - by - synthesis ( a - b - s ) vector quantizer for the phase spectrum in wi coder

    本文基於感覺加權相位譜分析合成（ abs - analysis - by - synthesis ）矢量量化方法，給出了一種wi編碼器中慢漸變波形（ sew - slowlyevolvingwaveform ）的相位信息量化及合成端相位的三次多項式插值重建方法。
  3. As with bytecode generation, the binding compiler will always generate the same source code token sequence for a binding component

    與位元組碼生成相同，綁定編譯器總是對一個綁定組件生成相同的源代碼標志序列。
  4. It can directly control and drive the stepmotor and dc servomotor, and it can control the ac servomotor by controlling the ac transducer, and it also has the function of detecting the feedback position signal of photoelectric coder and induction phase shifter

    它能直接控制和驅動步進電機和直流伺服電機，並可通過控制交流變頻器對交流伺服電機進行控制，而且具有光電編碼器和感應移相器位置反饋信號檢測功能。
  5. 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。
  6. For the users " convenience, users are allowed to install the encoder anyway. in other words, the range used actually of the encoder is allowed to span its zero point, and the ascending direction of the encoder ' s output and that of the floodgate ' s opening can be identical or not

    為了方便用戶的使用，允許用戶將閘位計（即旋轉編碼器）安裝在任意位置，包括閘位計實際使用范圍跨越閘位計零點的情況，閘位計輸出增大的方向與閘門開度增大的方向可以相同，也可以不同。
  7. Now, with the rapid development of computer and electronics, there have been a great progress in the field of input / output device technology. among this field, pci has been a current standard interface of pc. and in order to accommodate the development of operating system, wdm has been a driver model adopted by industry generally. at the same time, in the respect of sensor ’ s application, a high precision and high integrated incremental rotary encoder has been an outstanding one among the displacement sensors. meanwhile, eda technology and cpld / fpga chip applied in the signal processing circuit are approved by a great number of engineers who are engaged in designing the electronic device

    目前，隨著計算機技術和電子技術的飛速發展， i / o設備介面控制技術領域有了長足進步。其中， pci介面成為主流的微機標準介面，而與操作系統平臺的發展相適應， wdm已成為業界普遍採用的驅動程序模式;同時，在傳感器應用方面，高精度、高集成的增量式旋轉編碼器已是位移型傳感器中的佼佼者，而eda技術和cpld / fpga器件在信號處理電路中的應用被廣大電子設計人員所認可。
  8. 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。
  9. During the process of measuring valve phase, the grating displacement sensor and photoelectric axis - angle encoder are applied to measure the displacement of valve and the angle of curving shaft respectively. their signals are sampled and imported into computer. then the three signals are compared to find the relationship of valve phases in order to offer the reliable measuring parameters for the researchers and quality controllers

    在氣門相位測量中，採用光柵位移傳感器和光電軸角編碼器，分別將發動機進、排氣門位移量和曲軸旋轉位移量的變化信號通過采樣，輸入計算機，對三路信號加以比較找出氣門的相位關系，從而為設計開發人員、品質控制人員提供可靠的測量參數。
  10. Using an 8 - depth async fifo solves the synchronization and exchange of data be - tween different clock domains. the data transaction protocol comes from the most basic work way of uart. when the master clock is 16. 7mhz, the pcm side and adpcm side clocks both are 2. 38mhz, the results of simulation show that the latency from the start - bit of pcm data inputting uart receiver to the stop - bit of adpcm data outputted uart transmitter is 14. 3 us and the latency from the start - bit of adpcm data inputting uart receiver to the stop - bit of pcm data outputted uart transmitter is 14. 7 us

    在主時鐘為16 . 7mhz ， pcm數據端與adpcm數據端時鐘均為2 . 38mhz時，模擬結果表明從pcm的起始位輸入uart接收器到adpcm終止位輸出uart發送器的最大延遲為14 . 3 s ，從adpcm的起始位輸入uart的接收器到pcm終止位輸出uart發送器的最大延遲為14 . 7 s ，設計時盡可能的使編碼與解碼的時間相差不多，從結果看出基本達到這個要求。
  11. This card largely depends on three integrate chips to fulfill its function : 1 ) nic control main chip, corresponding the mac sublayer of ethernet, to realize csma / cd media access protocol, manage the sending and receiving buffers integrated on the chip and provide motherboard pci interface. 2 ) serdes ( serializing and deserializing ) chip, corresponding pcs and pma sublayers in ethernet, mainly to complete 8b / 10b coding and convert 10 bits parallel data to serial data, and convert them again at the receiving end. 3 ) fibre transceiver unit, completing light - electrical conversion of seri

    該網卡主要由3塊集成的晶元完成其功能，分別是i ）網路控制主晶元，對應于以太網的mac子層，主要完成csmaicd介質訪問協議，管理片上集成的發送和接收緩沖區，並提供和主板p0總線的介面： b ） s rd s （串列解串列化器）晶元，對應于以太同的pcs和pma子層，主要完成sb lob編碼並將10位并行的數據轉換為串列數據，在接收端完成相反的功能：涌）光纖收發器，完成串列數據的光電轉換功能。
  12. When the analyzer was located in four angles, a photoelectric detector was used to gather the energy of laser, so we can calculate the retardation of wave plate with the phase shifting

    測量裝置採用了步進電機帶動檢偏器旋轉，運用光柵編碼器測角裝置測量檢偏器的轉動角度，使用光電探測器採集檢偏器在四個方位角度的光強值，根據移相演算法得出波片的相位延遲角。
  13. Secondly, with combination of a certain type of radar, the application of genetic algorithm to optimum code selection and the iteratively reweighted least - square mismatched filter design for sidelobe reduction are discussed. the favorable experimental results are obtained, especially for 64 phase code

    最後，我們結合某型雷達，以64相碼信號為例，說明了遺傳優化演算法在編碼搜索中的優越性，並採用了迭代加權最小二乘演算法來設計失配濾波器以達到相位編碼信號的優化副瓣抑制目的，且給出了相應的模擬結果。
  14. The line code is very efficient for bit synchronization in the communication systems and it is useful to choose the appropriate line code. the dissertation introduces the advantages of the manchester code, then studies the way to realize the encoding and decoding of the manchester code, and introduces the process of the joint - debugging on the whole system. the contents of this dissertation are as follows : 1

    本文首先討論了線路編碼與實現通信中位同步的關系，以此為出發點，討論了曼徹斯特碼作為一種線路碼于其他碼型的相對優勢，而後研究了編解碼器實現方案中的幾種待選方案，並對幾種方案做了對比論述后，設計了合適的方案，接著詳細研究了曼徹斯特碼編解碼器的硬體實現並進行了模擬。
  15. For the positive real function image encoded by double random - phase, the first random - phase mask placed in the blank can not serve as the key when the decrypted image is detected by intensity detector in the decrypting process

    摘要正的實函數圖像通過雙隨機相位編碼加密以後，在解密過程中，用光強探測器接收解密圖像時，位於空域的第1塊相位掩模不起密匙作用。
  16. Based on the simulation results, the key techniques for the design of turbo codes, including the choice of component codes, the design of interleaver, trellis termination schemes and puncturing methods, are discussed deeply. by measuring the statistical characteristic of extrinsic information from component decoders, new iterative stopping criteria and snr estimation updator are devised. also, it is used to implement synchronization of carrier phase

    本文首先對turbo碼的基本編譯碼原理進行分析，在模擬結果的基礎上對turbo碼設計中的分量碼選擇、交織器設計、編碼器狀態歸零方案以及刪余方式等部分關鍵問題進行探討；通過考察外部信息的統計特性，設計了新的迭代停止準則和snr估計更新器，並利用外部信息實現串聯載波相位同步；最後對turbo均衡進行簡要分析。
  17. Based on the single cycle detector, the finite cycle detector is proposed for the detection of phase - coded signals. the finite cycle detector has a good performance under unknown the spreading code sequence, initial phase, spreading code timing epoch

    針對相位編碼信號的檢測，提出了基於單循環檢測器的有限多循環檢測器，可在沒有編碼序列、初相、編碼序列初始時間等信息的情況下，取得理想的檢測效果。
  18. In traditional low bit - rate speech coding, considering that ears are not sensitive to phase information, the phase information is often neglected, and this will result in coarse and harsh speech quality, and it even may lead to inflection in pitch

    在傳統的低比特率語音編碼中，考慮到人耳對相位信息不敏感而經常忽略相位信息，這將導致語音粗糙、刺耳甚至音調發生改變。為了獲得高質量的聲碼器，語音的相位信息是不能不考慮的。
  19. Contains classes representing ascii, unicode, utf - 7, and utf - 8 character encodings ; abstract base classes for converting blocks of characters to and from blocks of bytes ; and a helper class that manipulates and formats string objects without creating intermediate instances of string

    包含表示ascii 、 unicode 、 utf - 7和utf - 8字元編碼的類；用於在字元塊和位元組塊之間相互轉換的抽象基類；以及不需要創建字元串的中間實例就可以操作和格式化字元串對象的幫助器類。
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