數據單元介面 的英文怎麼說
中文拼音 [shǔjùdānyuánjièmiàn]
數據單元介面
英文
dui data unit interface-
Using domestic strained integrated resistor as weighing sensor, at89c52 single chip as control unit, combined with arithmetical magnification, analogtodigital conversion ( a / d ), real time clock, liquid crystal display ( lcd ), and series communication interface, a minitype automatic weighing lysimeter is developed. that made measurement of evapotranspiration become conveniently and effectively in studying on water use of crops
為了方便、有效地測定植物的蒸散，為水分利用研究提供價廉物美、簡單易用的儀器，本研究利用國產的集成電阻應變式稱重傳感器，採用at89c52單片機作為控制單元，結合運算放大、模數轉換、實時時鐘、液晶顯示、數據存儲、串列通信等外圍介面電路，研製了小型自動稱重式蒸散儀。By thorough analysis and synthetize this paper made a frame of the system of intelligent instrument and its hardware structure. as followed, this paper depicted design details of intelligent instrument " s hardware, it included the design of interface circuit, data commutations and digital logic of dsp, mcu, internet ' s chip and isp ' s apparatus etc., and have designed schematic map and circuit. so it accomplished the full design of hardware / software of the new type intelligent instrument
本文具體給出了新型智能儀器硬體結構及實現，描述了智能儀器硬體設計細節，包括數字信號處理器、單片機、 internet接入晶元、可編程數字/模擬器件等在新型智能儀器中的介面電路設計、數據通信設計和數字邏輯設計等，詳細地給出了設計原理圖和電路圖；給出了新型智能儀器的軟體設計細節，從而完成了新型智能儀器完整的軟硬體設計。Some interface circuits are also used to realize other functions. the system is consisting of data sampling unit, data processing unit, master controlling unit and human - machine interface unit
主要包括數據採集單元、數據處理單元（ dsp單元） 、主機控制單元（ mcu單元）和人機介面單元等。This paper introduces the development process of wastewater disposal, it ' s auto control system, the level of nowadays and several new techniques of china and foreign countries. the immanent structure, control rules, main features and design methods of auto control systems in wastewater disposal process are studied in this paper. aiming at four typical parameters, such as temperature, dissolved oxygen, ph and the planes of water, the distributed control system is designed, composed by pc called epigyny computer and scm 8098 called hypogyny computer, and some sensors, shift deliver utensils and related meet orifices of parameters gathering and figures communication
本文介紹了國內外污水處理及其自動控制系統的發展過程、當今水平和提高自動化程度的若干新技術；研究了污水處理自動控制系統的內在結構、控制規律、主要特點和設計方法；選取污水處理中的典型參數溫度、溶解氧、 ph值和液位等為控制對象，設計了以個人計算機為上位機、以8098單片機為下位機，並輔之以傳感器、變送器及相關介面單元所構成的二級集散控制系統（ dcs ） ；介紹了幾個主要程序模塊的設計思路、工作過程，這些程序模塊是：用高級語言visualbasic6 . 0開發的上位機人機交互界面程序、數據處理和圖表輸出程序，用執行效率高的匯編語言開發的下位機數據採集與系統監控程序、上位機與下位機之間的數據通信程序，匯編語言與vb之間的轉接程序，等等。There are five parts in powerpc603e ? microprocessor : integer execution unit, floating point unit ( fpu ), instruction ( data ) cache, bus interface unit and memory manage unit. the instructions are executed with pipeline way
Powerpc603e微處理器系統由定點執行單元、浮點單元、指令（數據） cache 、總線介面單元、存儲管理單元組成，以流水和超標量方式執行指令。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同，敏感元件採用高度對稱的四梁結構，其中每個軸向上均採用帶折疊梁的雙側叉指電容結構，採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件，具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算，並利用有限元法進行了模擬分析，根據模擬結果得出了優化參數;在確定敏感結構的基礎上，研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析，利用差動測量技術得到由振動引起的微小電容變化量，經c - v介面電路進行相位調制處理，然後通過解調輸出與加速度成正比的電壓信號。The asic chip embedded with bluetooth is usually employed as keyboard mouse equipment controller at present, so that is complicated and expensive to realize. noteworthily a new style of design is developed in the article : a 51 mcu is employed as keyboard mouse equipment controller while controlling bluetooth module as host, which give full play to 51 mcu and make the product at low cost, the design has sure practicability and innovative ; the software of pc end is designed as operating in the backstage, which receives data from usb interface to simulate the function of the keyboard and mouse. the design is easy, the thought is ingenious
由於目前常見的藍牙鍵盤鼠標設備控制器都是用嵌入藍牙核的asic晶元實現，所以實現復雜而且價格昂貴，而文中設計獨辟蹊徑：用一片51單片機作鍵盤和鼠標的微控制器，兼作控制藍牙模塊的主機，充分發揮了51單片機的性能，實現了低成本設計，具有一定實用性和創新性； pc機端軟體則設計為運行在後臺的應用程序，接收usb介面數據並進行處理，以模擬鍵盤鼠標功能，這一設計簡單易行，思路巧妙。This system uses the mutual independent p89c58x2 single chip to be a sampling and judging and entering unit on the length, width and highly directions. in the meantime, the p89c58x2 carries on communication with the computer and transmits measuring data through rs485
在長度、寬度、高度三個方向上使用相互獨立的p89c58x2單片機作為采樣、判斷、進給控制單元;同時通過串列介面rs485與上位機進行通訊，傳送測量數據。There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor
本文利用s7 - 200plc自身的特點設計了頻率測量單元，根據pid調節各個環節的特點，以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同，利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路，實現了水輪發電機組頻率的測量；在軟體上，對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析，選用改進的pid演算法實現了變參數、變結構的pid調節模式；調速器的機械液壓隨動系統具有步進電機電液轉換元件，採用五相反應式步進電機，根據其驅動特性設計了變頻調壓驅動器，實現plc與步進電機驅動器之間數字介面。By the utilization of cpld chip, all the data sampled are transmitted into computer through fifo registers and single - chip microcomputer with usb2. 0 interface
所采數據在由cpld晶元所設計的控制電路控制下，通過fifo緩存以及帶usb2 . 0介面的單片機晶元，被傳輸至計算機。This digital pattern generator composes of eight parts : interface circuit unit, dual - port sram unit, dsp unit, dac unit, expose / mark signal detection control unit, mark signal diction unit and final expose shape registers unit
本論文中的新型圖形發生器由介面電路、雙埠存儲電路、數字信號處理電路、數模轉換電路、曝光標記檢測控制電路、標記檢測電路、最終曝光數據寄存器單元和束閘控制電路構成。This paper focuses on the research and implementation of these six key techniques. firstly, this paper researches the international standards for compression of digital video data, analyses how to compress analog video stream to mpeg - 4 with hardware. it is also involved in the techniques of net transmit of digital video data, such as net protocol, ip multicast, rtp / rtcp and so on
本文主要是對智能視頻監控系統關鍵技術的研究與實現，主要體現在以下幾個方面: 1 、在視頻數據的壓縮方面，研究與分析了視頻壓縮的標準以及對mpeg - 4壓縮標準做了簡單的介紹，並分析了mpeg - 4的硬體實現方式，即使用硬體編碼晶元vw2010將視頻信號轉換為mpeg - 4格式的視頻流。First of all, this paper introduces the process of transmission of data from satellites. cortex telemetry and telecommand is used to receive telemetry data. before receiving data, the digital modulation modes are recognized by a method of parallel judgement in order to tell cortex telemetry and telecommand unit to set the reception mode, and then by using cortex ’ s tcp / ip interface the remote reception is achieved
本文首先介紹了衛星傳輸信息的過程，然後使用cortex測控單元對遙測數據進行直接接收，在接收之前首先利用了平行判決法來實現數字調制方式的識別，以便控制cortex測控單元使用何種方式進行接收數據，實現了利用cortex測控單元的tcp / ip介面進行遠程接收。Concretely, on the basis of describing the communication specification of arinc 429 with enhanced parallel port ( epp ), the standard and the module application of dsp and cpld, the thesis has proposed the design of the arinc 429 technology based on dsp system. at first, the function and the application of each module of the system and the operation principle of high - performance cmos bus interface circuit hs - 3282 chip which forms the main body of the data diversion of the interface module are introduced. secondly, the hardware structure of the interface module is described in detail, mainly including data latch and buffer circuit, choice circuit of transmission rate, etc. and then the design philosophy and flow charts of the software are fully discussed, such as the basic requirement of software, the design and realization of the function
本文在簡單的論述了pc並口協議（ epp ）與dsp之間的通信方法、 cpld模塊邏輯控制應用和arinc429的通訊規范的基礎上，給出了基於dsp的arinc429通訊介面的設計方案:對通訊板中各模塊的功能和應用以及構成數據轉換主體的總線介面晶元hs - 3282的工作原理做了說明;介紹了本設計所用的dsp和cpld的功能概況;詳細敘述了通訊板介面模塊的硬體結構設計，其中，對數據緩沖電路、數據傳輸速率選擇電路、邏輯控制電路等各關鍵點做了重點介紹;具體闡述了軟體設計思想及流程圖，包括軟體的基本要求和功能的設計與實現;接著從埠譯碼單元、 i / o通道、電平轉換電路等方面進行了介面模塊的軟、硬體調試;最後，給出了測試結果，對研製工作做了總結，對本設計的優缺點各做了評述。At last the paper uses fully learning data according celts, constructs theory and methord of implementing system. the theory has two aspects : gives imprecise learning methords using rules when sequencing initially, such as introducing, narrating emphases and so on ; during the process of learning, we construct a fuzzy evaluating model using the data of scores, learning time and browsing times, and adjust scores with learning objects. then we can inference more precice learning strategy based on the result of evaluation, such as searching previous knowledge units, learning current knowledge units repeatly
該原理主要體現在兩個方面：一是在初始編列時，根據規則的匹配與調用可以實現較為粗略的教學方法指導，如一般性介紹、重點講述等；二是在過程導學當中，針對最具代表性的測驗成績、學習時間、瀏覽次數的學習效果和行為，結合學習者的預期學習目標等因素進行適當的成績調整、時間改進等處理，並運用模糊綜合評判的方法對學習者實施有效評價，以推理出在學習過程中較為細化的教學建議，如搜索前驅知識單元、重新學習當前知識單元等。The minimum control system of single - chip micro - controller has two part of binary systems serial communication. for the communication between pc and the single - chip instrument, i chose to connect a chip named max232 to proceed the level conversion in electricity, establish the correspondence agreement, drawing the hardware connection diagram, and designed the correspondence procedure process with parts of procedures code ; for the communication between the single - chip instrument and the fx489, thesis uses 8251a to expand 89c51 for a serial port
對于pc機和單片機的通信，論文選擇了介面晶元max232進行電平轉換，設定了雙方通信協議，畫出硬體連接圖，並設計了通信程序流程及部分程序代碼；對于單片機和fx489之間的串列通信，論文採用了8251a擴展了89c51的一對串列口，同時也設計了這部分的通信程序流程及程序代碼；另外，還對89c51擴展了一片數據存儲器6264 。This thesis gives the design of an airborne datum communication board based on arinc429 bus, which is adopted dsp as controller, utilized bus interface chip hs - 3282 and use self - designed 429 electronic conversion circuit, then form a simple structure datum communication board with high dependability
該通訊板實現了pc並口（ epp ）與arinc429協議間的通訊，採用dsp控制，利用arinc429總線介面晶元hs - 3282和自行設計的電平轉換電路，構成了一款結構簡單、可靠性高的數據通訊板。For the teaching the hardware pwm inverter is designed, including the choice of power module, filter tache, auxiliary power supply, brake unit and protection circuits. in addition data sampling system is contrived with encoder and current / voltage sensors. the control circuit with tms320f240 for the core is presented at last. the circuit includes memory extension, d / a converter digital i / o interface and the interface of the serial port. the way of space vector pwm realization is briefly introduced in this paper
接著，設計了pwm電壓型逆變器，其中包括主迴路功率模塊與濾波環節、控制電源、制動單元及保護電路設計。另外還利用霍爾元件與編碼器設計出數據採集系統。最後，給出了基於tms320f240的最小系統，包括存儲器擴展、串口擴展、數字i o介面以及空間矢量pwm的實現。In the multi - module mode both trig signal and reference clock are used for synchronization. the functional module supports dma with the dsp, which frees the dsp ' s core processor and entitles the real - time digital signal processing
在數據傳輸方面無論是通過外部總線介面還是數據鏈路介面，功能模塊與dsp之間都支持dma方式，解放了母板處理器的核心運算單元，使實時信號處理成為可能。The output circuit of feedback control signal by using a high resolution 16 bit digital to analog converters ( 16 bit dac ) which is kennel of chip dac703j, the data communication interface between microcomputer and computer by using the circuit of the ttl and rs - 232 voltage transform with the chip max232, are also designed
採用了dac703j晶元為主的高解析度16位d a轉換電路，設計了反饋控制信號輸出電路，採用max3232晶元為主的ttl電平與rs - 232電平轉換電路，設計了單片機與上級計算機數據通訊介面。分享友人