高度計編碼器 的英文怎麼說

中文拼音 [gāodùjìbiānmǎqì]
高度計編碼器 英文
altimeter coder
  • 高 : Ⅰ形容詞1 （從下向上距離大; 離地面遠） tall; high 2 （在一般標準或平均程度之上; 等級在上的） above...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 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
  • 高度 : altitudeheightelevation
  • 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. The main computer is programmed under windows, while the assistant computer is programmed under dos. the last, based on the idea of module - structure, the software of the testing system are designed, thus this software system is compatible and transplantable to design again. the experiment of measuring principle is taken : take the xy flat of lathe as the parallel - pole device and adjust the angle of sensor, the rotating - probe can test the felloe mould in scanning way

    藉助虛擬儀器的思想，對測控系統進行了設計：採用光柵尺、光電編碼器測量可動部件的運動量，解析度高、誤差小；採用細分驅動的步進電機裝置，控制性能好；系統實施環境溫度的檢測、補償，提高了檢測精度；基於兩級微機組建測控系統：主機為人機界面，採用windows編程，從機用dos編程，實時性好；軟體設計採用兼容性和移植性好的模塊式結構，便於二次開發。
  2. The design for the code salver of the encoder uses new encoding technology, which makes it easy to produce and figure simpler

    在編碼器的碼盤設計上採用了一種全新的絕對編碼技術（文中稱為簡碼） ，利用這種編碼技術製作的碼盤圖形簡單，製作方便，精度高。
  3. Secondly, compared with some other kinds of comparator structure and based on the preamplifier - latch fast - compare theory, a novel topology of cmos preamplifier latch comparator circuit is presented. considering trade - off between kickback noise and power dissipation, reference resistance value is optimized. according to the encode demands of different stage resolution, clock - control encode circuit is designed

    其後，在具體的子adc設計中，對比各比較器類型的優缺點，並基於預放大鎖存快速比較理論，提出一種新型高速低功耗預放大鎖存比較器電路拓撲;根據adc系統所允許的參考電壓最大波動限制，在回饋噪聲對輸入參考電平的影響和功耗之間折衷，確定優化的參考電阻串阻值;根據不同級精度的編碼要求，設計出時鐘控制編碼電路。
  4. This has brought heavy computation burden when it is applied to compress the hdtv high definition television content. based on the original ffsbm fast full search blocking matching, this paper proposes an improved ffsbm algorithm to adaptively reduce the complexity of motion estimation according to the actual motion intensity. the main idea of the proposed algorithm is to use the statistical distribution of mvd motion vector difference

    為了提高壓縮效率， avs採取了可變塊大小的運動補償技術，一個宏塊可以被進一步劃分為四種塊大小， 16x16 ， 16x8 ， 8x16 ， 8x8 ，這樣一個16x16的宏塊中總共會被劃分成9個不同的分區，每個分區獨自地進行運動估計，這使得運動估計成為了avs編碼器中復雜度最高的一部分。
  5. The thesis describes the detailed procedures of hand - writing data processing, including chinese character dot matrix building and display, vector data storage, chinese character dot matrix compression, transfer protocol and hand - writing chinese character re - building. also, stroke order based hand - writing chinese character recognition method is explored, and characteristic - recognition methods for chinese character with similar stroke order codes and the structure of hand - writing chinese character recognition dictionary are discussed

    第四，設計了服務器端的服務軟體，可以實現數據的解碼、重建、筆劃特徵提取、識別、數據管理功能；採用了基於筆段筆順編碼和結構特徵的識別方法並設計了識別字典的結構，可以有效的提高識別速度，達到較高的識別率。
  6. The distributed plc system of the floodgate ' s opening measuring presented by the paper has many advantages such as high reliable operation, high measuring precision, having the network communication function, convenient installation and correction, etc. this thesis further studies the key device for the floodgate ' s opening measuring, the rotary encoder, selects the absolute rotary encoder adopting the binary cyclic code, studies the method for transforming the cyclic code to the binary data and according to the transforming formula designs the ladder diagram program

    本論文研製的分散式plc閘門開度測量系統具有工作可靠、測量精度高、具有聯網通信功能、安裝和校正方便等特點。本論文深入研究了閘門開度檢測的關鍵器件? ?旋轉編碼器，選用了採用二進制循環碼編碼的絕對式旋轉編碼器，研究了將二進制循環碼轉換為二進制數的方法，根據轉換公式設計了plc的梯形圖轉換程序。
  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. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  9. Abstract : regarding the practical problems in applications of photoelectric encoder and the solutions a detecting method for displacement with higher accuracy and the implementing circuit are stated and designed. with the control of underdrived robot arm as an example the concrete application is introduced

    文摘:就光電編碼器的實際應用問題及解決方法，提出並設計了一套適用於精度要求較高的位移檢測方法及實現電路，文末以欠驅動機器臂的控制為例，介紹其具體應用。
  10. We select fpga of type xc3s200 as hardware to design the coder and display the hardware resources inside, moreover study the method and steps of designing dsp, based on fpga, by using system generator, finally, it emphasizes the design process of multi - band excitation vocoder. we can work out the module of high pass filter and the module of low pass filter, module of divide frame, module of keynote rough estimate, module of keynote fine estimate, module of band - separated v / u judgment / verdict and module of band - separated amplitude estimate, by using simulink, ise and system generator

    本文選用型號為xc3s200的fpga作為設計編碼器的核心硬體，介紹了其內部所含的硬體資源，並研究了利用systemgenerator基於fpga設計dsp的方法和步驟，最後，本文把重點放在多帶激勵語音編碼器的設計上，利用simulink ， ise和systemgenerator分別設計其中的高通低通濾波器模塊、分幀疊加模塊、基音粗估模塊、基音精細估計模塊、分帶v / u判決模塊、分帶幅度估計模塊。
  11. In order to get a higher precision, a late - model 23 - digit angle coder is designed. this angle coder acts as the feedback sensor for velocity and position

    為提高測速精度，本文設計了一種新型23位角編碼器，作為速度和位置反饋傳感器。
  12. And then, aiming at the deficiency of conventional design, the high - compositive fpga ( filed programmable gate array ) chip is used as the core in this project to deal with the signal of six encoders in real time

    其次針對以往設計的不足，採用了以高度集成的fpga （現場可編程邏輯陣列）晶元為核心的設計方式，實現六路光電編碼器信號的同步實時處理。
  13. Fpga has become the best selection in the design of complex digital system in modern design process of digital system, especially in communication system, because of its merits like high integration, better reliability, short design period, less investment and agility. the usage efficiency of fpga for communication system can be raised by designing low rate speech coder in fpga

    在現代數字系統設計中， fpga因為高集成度，高可靠性，設計周期短和投資小逐步成為復雜數字系統設計的理想首選，尤其是在通信系統中大量地使用，把低速率的語音編碼器在fpga中設計，可以提高通信系統中的fpga的利用率，節約成本。
  14. Precision test platform of the prototype is designed, by using the high - precision absolute rotary encoder, precision of the prototype is measured, data processing result show that : under the condition that step angle of the input

    設計製造了大速比摩擦傳動樣機的傳動精度測試平臺，用高精度絕對式編碼器對大速比摩擦傳動樣機的傳動精度進行了測試。
  15. By reducing the calculational complexity of the rate - distortion slope estimate and simplifying the design of optimized truncation and tag tree encode in code stream organization, the difficulty and the resource of hardware implementation for t2 encoder is reduced, and the parallelizability of the jpeg2000 hardware system is enhanced

    通過降低率失真斜率估計的計算復雜度、簡化優化截取方法和碼流組織中tagtree編碼方法，降低了t _ 2編碼器硬體實現的難度，減少了硬體資源，提高了jpeg2000硬體系統處理的并行度。
  16. After that, according to the technical features of tms320 dm642 dsp, we elaborately design the program flow and data flow of the encoder. we make use of dma to transfer data to alleviate the burden of dsp core. further more we utilize many code optimization techniques to take full advantages of the parallel computation units

    之後通過分析ti公司的tms320dm642dsp的技術特點，對編碼器的程序流程和數據流進行了精心的設計，採用了dma傳輸數據以減輕dsp內核的負擔，而且採用了多種程序代碼級優化方法來充分利用dsp內核的并行計算單元，提高程序的運行速度。
  17. This method can maintain the superiority of traditional wavelet transform to effectively remove temporal redundancy. in addition, owing to the feather of the integer form of wavelet lifting scheme, the computational complexity and memory requirement are reduced, which can enhance the performance of the wavelet video coding system

    該方法能夠保持傳統小波變換的優勢，高效的去除時域冗餘信息，同時通過提升小波的整型變換能夠快速實現的特點，降低了計算復雜度，減小了內存需求，提高了小波視頻編碼器的性能。
  18. In this paper, two important modifications in dct - based coding algorithm are suggested after making deep study on the generally used scheme of h. 263 coder. first, we find plenty of invalid computation in the transformation part of the h. 263 coder and an improved scheme based on the pre - transform decision to avoid invalid computation is proposed. second, in the motion estimation part of the coder, we find that normal search algorithms are not effective, which neglects different levels of motion in image sequences, and we suggest a new search algorithm which has variable search region based on the difference of motion level. combining the pre - transform decision scheme with variable search region method in motion estimation, a global decision coding scheme is provided, which greatly increases the coding speed of h. 263 coder

    本文對h . 263編碼演算法的現有實現方法作了深入的分析，首先發現變換部分存在大量無效運算，提出了在變換前加判決的前變換判決的編碼方案，以壓縮無效的變換運算；其次發現運動估計部分由於忽略了圖像場景的分級運動而存在一定的無效搜索運算，提出了基於分級運動的可變搜索域法來壓縮無效的搜索運算；最後將前變換判決方案與運動估計的可變搜索域法有機地結合在一起，提出了全局判決編碼方案，從而比較全面地改進了現有實現方法，因而能大幅度地提高編碼器的編碼速度
  19. In the course of implementation on hardware, sdram is adopted to design a reasonable and practical data manipulation scheme for mpeg - 4 data stream. the system minimizes the resource requirements while meeting a definite function target. besides, on the basis of study on rate control of tmn8, we also designed the section of rate control of this system in the way of both hardware and software

    通過對視頻編碼過程中數據流操作的分析，結合sdram的工作特點，合理設計了mpeg - 4編碼器的數據流調度方案，在滿足系統最高要求的基礎上，節省了寶貴的硬體資源，提高了程序的通用性；在分析了碼率控制的基本原理及演算法的基礎上，結合arm處理器的特點，設計了mpeg - 4編碼器碼流控制部分的硬體部分和軟體實現，實驗表明其起到了編碼結果調整的作用，效果良好。
  20. According to the structure characteristics and motion rules of the new type nursing robot, the close loop control system of this new type nursing robot is designed and made with the virtual instrument developing software labwindows / cvi, mcu, piezoelectric ultrasonic motor and high precision optical incremental encoder, which can make the robot reset and rotate by the predefined tracks. at the same time, in order to make the nursing robots used more widely where intensity, precision and price are not high, another control system is designed with the step motor, virtual instrument developing software labwindows / cvi, multi - function daq card pci1711, linear power amplifier. in order to use the nursing robots in acupuncture therapy, a simple finger is designed

    在對其結構特點和運動規律分析的基礎上，本文以虛擬儀器編程語言labwindows / cvi為軟體開發工具，以單片機為控制核心，以超聲電機為驅動元件，以高精度光電編碼器作為速度和角位移檢測裝置，實現了機械臂的復位以及預定軌跡的閉環控制系統的開發;同時為適應一些強度不大、精度要求不高的應用場合，也為降低成本，簡化控制裝置，推動新型護理機械臂短期內應用推廣的需要，以目前應用較為廣泛、控制技術較為成熟的步進電機為驅動元件，用labwindows / cvi開發環境、 pci1711數據採集卡以及線性功率放大器開發了一套控制系統，實現了手臂的復位、勻速運動以及預定軌跡的控制系統;為推廣護理機器人在針灸理療中應用，設計了簡單的手指機構並利用labwindows / cvi開發環境，以及智能材料驅動器? ?層疊式壓電驅動器，進行了手指的抓取以及對驅動對象的轉動控制。
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