計時編碼器 的英文怎麼說

中文拼音 [jìshíbiānmǎqì]
計時編碼器 英文
chronometric encoder
  • 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...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 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
  • 計時 : reckon by time; timing; chronography
  • 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. Above all, [ 12 : 8 ] harming error correction theory is mentioned in this paper. the edac circuit designed by vhdl can works normally at different frequency of the cpu clock such as 66mhz 50mhz 40mhz 33mhz. the edac function of the circuit can also be disabled by software tool. meanwhile, some basic devices such as and logic, or logic, not logic and some small scale integrated circuits are also integrated in the fpga

    本論文闡述了12 ， 8漢明碼糾錯設計過程，採用vhdl語言實現糾錯編碼器（ edac ） ，本設計能夠適應cpu時鐘信號clk2的不同頻率，如66mhz 、 50mhz 、 40mhz 、 33mhz ，並且能夠通過軟體的控制使fpga的糾錯編碼功能關閉。
  3. The main content is design of digital man - machine interface system, a speed regulating system of good stabilization and dynamic performance ; software for appraising the performance of wire feeder. the first, a digital man - machine interface system using at89s8252 singlechip is designed. the system uses sd7218a keyboard / display chip with serial bus interface

    首先，人機交互系統選用at89s8252為核心控制晶元，選用具有串列總線介面的sd7218a鍵盤/顯示晶元完成了數字化人機交互系統軟、硬體設計;採用rs - 485總線實現主控系統和人機交互系統的數據交互;系統採用數字編碼器和鍵盤配合的方式實現焊接參數的選擇和設定，同時還具有最優參數存儲、調用等功能。
  4. 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。
  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. 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。
  7. Based on the realization of the encoder / decoders, this scheme aims at the highest rate downstream frame, and has realized the parallel fec circuit and scrambler complying with the protocols and maken a simulation. the fprme decoder is advanced in the world. the parallel fec circuit completely conforms to the itu - t protocols, and has important practical value

    在rs （ 255 ， 239 ）硬體編碼器/解碼器實現的基礎上，本文按照gpon協議要求，針對gpon中最高速率2 . 488gbps的下行幀，通過設計復雜的操作時序，實現了符合協議規定的32位并行fec編解碼和解擾碼電路，並作了模擬。
  8. With the computer controlling the output of the digital signals and the analog signals, controls and adjusts startup, stop, turn and rotational rapidity of the transducer - electromotor and the strength of brake actuator ; installs the torque sensor on dynamical axis, and installs the encoder on non - dynamical axis of the dimensional globoidal indexing cam mechanism ; utilizes the virtual instrument language labview development the test and control system, with the computer real - time monitoring, late displays and storages the data of the test, and processes the data and analyses it

    利用計算機控制數字量輸出和模擬量輸出來達到控制和調節變頻電機啟停、轉向、轉速;控制制動器的啟停和加載力;在弧面分度凸輪的加載軸和空軸上安裝扭矩傳感器和編碼器;應用虛擬儀器語言labview開發試驗臺的測控軟體系統，用計算機進行實時監測與事後顯示與存儲，並進行信號處理與分析。
  9. At last, the vlsi implementation complexity of motion estimation in video encoding is analyzed. furthermore, a fast block matching algorithm based on hardware implementation and its vlsi architecture are presented

    最後，本文對實時視頻編碼器中運動估計的vlsi實現方法進行了研究，提出了一種易於硬體實現的快速塊匹配演算法及其vlsi結構。
  10. In experiment process, aim at the current rotary encoders output is not ttl wave type, the writer designs the hardware integrated circuit by that can turn the current wave into ttl wave, and it obtains the good result. finally the thesis creates the pcb card of the chip module, and makes use of the hp signal occurrence apparatus 33120a finishing the on - line data collection, give out and analysis the experiment result

    在實驗過程中，針對現有圓光柵編碼器輸出波形為正弦波，設計了正弦波轉為方波的硬體集成電路，取得了很好的效果；製作了下位單片機系統的pcb板；最後利用hp33120a信號發生器，對其發出的信號進行實時採集，給出了實驗結果並加以分析。
  11. 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。
  12. In the designation of software, the author adopts the modular designing method, and makes full use of the functions what the mcu offers, such as a / d function, interrupt function, pwm function, and software timer function. as a result, the following subroutines are programmed : a / d sample, read optic - electron coder signal, disposition of orientation interruption, z interruption, and software timer

    在控制軟體的設計上，採用模塊化程序設計方法，充分利用單片機內部提供的a d功能、中斷功能、 pwm功能、軟體定時器等功能，設計出了a d采樣子程序、讀編碼器信號子程序、定位中斷服務子程序、 z中斷服務子程序、軟體定時器中斷服務子程序等模塊化程序。
  13. 3. the coder class is defined introducing the object oriented programming, the important member function is realized such as the beginning and end of coding, the getting of image type, the conversion of image type etc. according to the bandwidth of different users, the bitrate is adjusted and the algorithm is simulatively realized

    採用面向對象的程序設計思想和方法，定義了編碼器類，給出了重要成員函數如編碼開始、編碼結束、獲取圖像類型、圖像類型轉換的程序實現；根據用戶帶寬的不同，調整編碼時用到的位率並且進行了程序的模擬實現。
  14. In paper we designed the processing circuits of magnetic encoder, designed the magnified circuit, the signal collection circuit and the d / a conversion circuit are designed. then magnetic encoder can output two different type signals : digital signals and analog signals, the two type signals are corresponding

    對磁編碼器的信號處理電路進行了設計，設計了磁頭的放大比較電路、單片機信號採集電路和d a轉換電路，設計了單片機信號採集和d a部分的程序，使編碼器能在輸出數字信號的同時輸出與數字信號一一對應的模擬信號。
  15. Firstly, it introduces the development of speech coding, along with the significance of the low bit rate speech coding. it also compares the model of traditional dualistic excitation lpc vocoder and the multi - band excitation vocoder, and lucubrates the analytical method of frequency domain and time domain in the parameter extraction of multi - band excitation vocoding. secondly, based on the parameter extraction operation of keynote cycle, it adopts time domain in rough estimate operation of keynote and frequency domain in fine estimate operation of keynote, in according to the immediacy required in practice, to minish operation amount

    本文闡述了一種基於fpga的多帶激勵語音編碼器的研究與設計，首先介紹語音編碼研究的發展狀況以及低速率語音編碼研究的意義，接著對比分析了傳統二元激勵lpc聲碼器模型和多帶激勵編碼器模型，並深入研究了多帶激勵語音編碼參數提取的頻域和時域分析法，然後根據實際應用的實時性要求，為了減小運算量，在基音周期參數的提取的演算法實現上，本文採用在時域進行基音粗估運算，在頻域進行基音精細估計運算。
  16. The tcp / ip network and the driver of voice coder are mainly introduced. the basic content is as follows : firstly, plainly introduce the development of embedded system and the outlook for embedded system, moreover, consider the application of the embedded developing tool

    其中對tcp ip網路的設計和語音編碼器驅動的實現進行了詳細介紹，其基本內容如下：首先，簡單介紹了嵌入式發展的過程及其前景，同時也介紹了嵌入式開發工具的具體應用。
  17. Some property and working parameters about the encoder are tested. the result indicated that : ( 1 ) the objective of design is achieved, the encoder can output two type signals simultaneously

    對編碼器的各項性能進行了測試，結果表明： （ 1 ）智能化磁編碼器達到了設計的要求，能同時輸出準確的數字信號和模擬信號。
  18. When the system is working, the photoelectric coder checks the speed of doubly - fed vscf wind power generator ; according as the principle formula of vscf, the excitation current frequency of rotor is calculated to satisfy the aim of vscf control

    系統工作時，用光電編碼器檢測出發電機的轉速，依據變速恆頻的原理公式計算出應饋入轉子勵磁電流的頻率，達到變速恆頻控制的目的。
  19. So extend kalman filter ( ekf ) is applied to low speed control of ac servo systems in order to identify the information of position of magnet poles and low speed instead of incremental encoder. in high speed region, encoder is still used to acquire speed information

    基於此，本文把擴展的卡爾曼濾波（ ekf ）技術應用於交流伺服系統的低速控制，完成系統初始磁極位置角的辨識以及低速下電機轉速的估計，在高速時，仍採用光電編碼器獲取電機轉速。
  20. This paper deals with the design and development of a real - time encoding system for mp3 player based on dsp

    本文論述了基於dsp的mp3隨身聽實時編碼適配器系統的設計與開發技術。
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