數字轉換總線 的英文怎麼說

中文拼音 [shǔzìzhuǎnhuànzǒngxiàn]
數字轉換總線 英文
digit transfer bus
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 轉 : 轉構詞成分。
  • 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
  • 總 : Ⅰ動詞（總括; 匯集） assemble; gather; put together; sum up Ⅱ形容詞1 （全部的; 全面的） general; o...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 數字 : 1. （表示數目的文字; 表示數目的符號） figure; digit; numeral; character; numeric character 2. （數量） quantity; amount
  • 轉換 : change; transform; convert; switch
  1. The subject has mainly finished designing and debugging software and hardware of a / d decode module, fpga video processing module, video data frame deposit module, base clock produce module, d / a encode module, i2c bus control module, etc. a / d decode module gathers analog tv signals and realize video decode ; fpga video processing module deals with the data after decoding and produces systematic logic control signal ; video data frame deposit module offers the buffering area to a large n umber of high - speed video data ; base clock produce module through input basic video signal offers system accurate relevant synchronous signal ; under control of video processing module d / a decode module convert digital video data into compound tv signal which can be shown in tv directly ; i2c bus control module is used to initialize the chip of system by simulating i * c bus timing

    本課題主要完成了a d解碼模塊、 fpga視頻處理模塊、視頻數據幀存模塊、基準時鐘產生模塊、 d a編碼模塊、 i ~ 2c總線控制模塊等部分軟、硬體設計及調試。其中a d解碼模塊採集模擬電視信號實現視頻解碼； fpga視頻處理模塊對解碼后的數據進行去噪處理的同時還負責系統的邏輯控制；視頻數據幀存模塊為大量高速的視頻數據提供緩沖區；基準時鐘產生模塊通過輸入基準視頻信號為系統提供精確的相關同步信號； d a編碼模塊在視頻處理模塊的控制下把數字視頻數據轉換成復合電視信號供顯示用： i ~ 2c總線控制模塊模擬i ~ 2c總線時序實現對系統中編、解碼晶元的初始化。
  2. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。
  3. The author will research two different realizations : 1 ) to design a can bus interface system based on scm system. this interface system would change the digital commands obtained from the c ' an bus into the analog control signals and send these signals to the existing analog electric servos

    這項工作將研究兩種實現方案： 1 ）設計一個基於單片機系統的canbus介面系統，用來將can總線上的數字指令轉換為模擬控制信號，送給已有的電動伺服模擬控制系統。
  4. The author will research two different realizations : 1 ) to design and realized a can bus interface system based on scm system. this interface system would change the digital commands obtained from the can bus into the analog control signals and send these signals to the existing analog electric servos

    這項工作將研究兩種實現方案： 1 ）設計一個基於dsp的can總線介面系統，用來將can總線上的數字指令轉換為模擬控制信號，送給已有的電動伺服模擬控制系統。
  5. This paper introduces the basic theory, structure, data transfer protocol of ds2450 1 - wire quad a / d converter, and the application of four channel digital storage oscilloscope

    摘要介紹了ds2450單總線四通道模擬轉換器的基本原理、結構、數據傳送協議，以及在四通道數字存儲示波器中的應用。
  6. 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。
  7. Strengthen scientific and technological innovation to lead radio and television development - interview on total transition to cable dtv in shenzhen with zeng qingjun, deputy director of department of science and technology, sarft

    就深圳有線數字電視整體轉換工作專訪國家廣電總局科技司曾慶軍副司長
  8. The first part is the general interface of the hardware, which drives, monitors the ultrasonic sensor, receives signals generated by the sensor, converts the analog signals into numerical formats and sends them to the computer through a communication line. the second part is concerned with designing and implementing the software to be used by the vi

    第一部分是以單片機為核心的超聲波發射接收卡的設計，其作用是驅動超聲波探頭工作，接收材料中的缺陷超聲回波信號，將其轉換為計算機可以處理的數字信號，並通過通信總線發送給計算機。
  9. In the hardware design, the analog circuit, high - speed a / d convertor, storage control logic and vxibus interface are discussed. the results of the simulation and analysis of the circuits are given

    在模塊的硬體電路設計部分中，著重對信號調理電路、高速a / d轉換器、高速存儲邏輯控制以及vxi總線介面等內容進行了討論，給出了具體的電路設計和關鍵器件的說明，並對部分模擬電路和數字電路進行了模擬分析。
  10. The card is based on the flat roof of pc machine, at first, we are used of the source of program data to leave in ide care, then binary file is come by the send out card, which is transmitted the standard ' s transmission stream. according to the european the standard of dvb - c, variable transmission current velocity rate is 9. 6 - 38. 4 mbits / s

    此卡基於pc機平臺，首先將節目源數據以二進制文件的格式存放在普通ide硬盤上，然後通過計算機的pci總線將二進制文件經過發送卡轉換成符合數字電視asi （異步串列介面）介面標準的平穩碼流。根據歐洲dvb - c標準，可變的傳送流速率為9 . 6 ~ 38 . 4mbit s 。
  11. This paper explains 1 - wire net, such as the hardware circuit and communication protocol, analyzes features of sensor chips ( the 1 - wire devices ) and 1 - wire ? line - powered microlan ? networking technique

    著重討論了可編程的三種單總線傳感器：溫度數字傳感器ds1820 、 a / d轉換器ds2450 、計數器ds2423 。
  12. One - wire bus is a new technique based on cdma and std. it has simple structure, low cost, direct control via computer or microprocessor and simple program. the new type of one - wire digital sensor, which is integrated with thermometer, a / d, controller, rom, ram, can communicate with server computer through 1 wire and without any other accessories, moreover, 64 sensors can share one single line which makes system structure concise and easy

    新型的單總線數字傳感器集成了溫度檢測、 a d轉換、控制器、 rom 、 ram 、單線雙向數據傳送等功能於一體，只需要1根數據線，無需其他輔助器件即可實現傳感器與主機間的數據通訊，而且多達64個數字傳感器可以共用該數據線，使系統間的連接非常簡潔，適應于低成本的多點測試、集中控制系統。
  13. 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。
  14. The digital upward frequency conversion is the key element of the waveform synthesis. at the same time, basic theoretical analysis and optimum design are done for pci bus slave interface, fifo, transmit signal processor, digital - to - analog converter and logic control

    本文對波形合成技術的核心? ?數字上變頻進行了深入細致的研究和介紹，同時對波形合成器中的pci總線介面、先進先出緩沖器、發射信號處理、數模轉換及邏輯控制等部分進行了分析和優化設計，給出了最佳設計方案。
  15. Sarft china s state administration for radio film and television approved on april 7, 2005 the designation of guangxi as the country s only provincial trial site

    二零零五年四月七日，中國廣電總局中國國家廣播電影電視總局正式批準廣西為全國唯一省級有線數字電視整體轉換試點。
  16. The theory mentioned in this paper is a kind of traveling wave method. it overcomes the limitations in theory and short - comings of big errors, realizes the fault ' s checking system by a pc bus industrial control computer, adopts swift a d translation. monitoring on - off switch, warning device when the fault appears

    本文所闡述的理論是一種行波法，它克服了理論上的局限性和誤差大的缺點，應用計算機進行電力系統暫態過程的數字模擬和計算程序，是分析電力系統故障的有力工具，採用pc總線工控機，選用快速a d轉換、開關量測量、出現故障聲光報警。
  17. This image grab card uses saa7111 to translate the analogue signal to digital image data. after buffering in an fifo ram the data are read into computer by a universal pci interface chip, pci9052. finally the images are displayed on screen

    該視頻採集卡以fpga為邏輯控制中心，採用saa7111將四路視頻信號分別轉換為數字圖像數據，經fifo緩存后，由pci總線介面晶元pci9052將數據送入計算機，最後通過應用程序將圖像顯示出來。
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