數字運算電路 的英文怎麼說

中文拼音 [shǔzìyùnsuàndiànlù]
數字運算電路 英文
digital operational circuit
  • 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 ...
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 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
  • 運算 : [數學] operation; arithmetic; operating
  • 電路 : [訊] circuit （ckt）; electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. Abstract : radiate thermometer uses a high definitive operation circuit in the modulation and linerization of weak optical signals. the theory of colorimetry was used in measuring the temperature. analogic channel and digital interfaces were added in order to expand the instrument. a kind of double channel ' s photocolorimeter including its hardware and software is introduced

    文摘:輻射測溫計採用高精度運算電路，對光弱信號進行調制和線性化處理，運用比色法原理對溫度進行檢測.為了便於儀器擴展，增加了模擬量輸出和數字介面，並對光纖式雙通道比色高溫儀的硬體與軟體的關鍵部分作了簡要介紹
  2. The control system of furnace " s temperature has been widely used in every walk of life, as an important link of repair and manufacture of the electrical equipment such as electromotor transformer etc., soaking lacquer drying craft has some especial requests on drying crafto this article starts with the analysis of drying chamber " s configuration, analyzed its configuration limitation and control function limitation according to the factory " s situation and advances the conception of heated air drying circulation, in addition, this article adopts an intellectualize a / d module, a development sampling tuning - voltage circuit, and presents the method to measure online the insulation resistance of products in order to improve constantly products quality

    而浸漆乾燥工藝作為電機、變壓器等電氣設備的修理、製造中的重要環節之一，對乾燥過程的質量要求有一定的特殊性。該文從乾燥爐的結構分析入手，聯繫到工廠的實際情況分析了結構功能缺陷和控制功能缺陷，提出了熱風循環乾燥的概念，同時，選擇了較為先進的a d板卡、熱電阻信號調理板等專業化智能卡，運用數字pid控制技術，構成了一個較有特色的計算機控制系統。此外，該文還從保證乾燥品質量的角度，採用智能化交流模塊和自製采樣調壓電路的方法，提出了在線檢測產修品的絕緣電阻的方法和手段，以確保企業產品質量不斷提高。
  3. The circuit receives feedback signal of encoder, disposes it by pid and in the form of digit sends control signal which is transformed by d / a into analogue signal to servo amplifier, so further to control motors

    電路板接收碼盤反饋信號，通過內嵌的pid演算法，以數字形式給出控制量，經過d a轉化為模擬控制信號給伺服放大器，進而控制電機運行。
  4. At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost ， which have restricted the development of apf

    目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換，需要快速、實時運算，因此必須使用高速的數字微處理器和高性能a / d轉換器，這必將大大提高系統成本，使得電路結構復雜，在一定程度上限制了有源濾波器的發展。
  5. The business scope of china railway investments group limited is : the investment, design and information consultation of projects ; the research, design, development, installation and application of “ the television, telephone and computer three in one digital information system ” of the railway station and train ; railway mobile tv on the trains ; railway cable tv ; railway information website ; railway newspaper and magazines ; railway art performance ; railway movie & tv producing and issuing ; design, make, and issue railway satellite tv advertisement, railway cable tv advertisement, railway information website net advertisement, train television advertisement, train sponsoring advertisement, billboard advertisement on train, supplies advertisement on train, small articles advertisement on train, railway station billboard advertisement, railway newspaper and magazine advertisement, propaganda sheet advertisement ; the investment and construction of railway project ; railway passenger and freight transportation business ; railway chain tourist hotel and catering business ; material trade ; import and export of technology ; telecommunication operating business ; railway banking business ; energy sources exploiting and operating business

    中鐵多經投資集團主要經營范圍為：項目開發投資、策劃及相關信息咨詢；鐵路站車「電視、電話、計算機三網合一數字信息系統」的研究、設計、開發、安裝應用；鐵路衛星電視及鐵路無線寬帶網路電視；鐵路有線互動電視；鐵路信息網站；鐵路報刊雜志；鐵路文藝演出；鐵路影視製作；設計、製作、發布鐵路衛視廣告、鐵路有線電視廣告、鐵路信息網站網路廣告、列車電視廣告、列車冠名廣告、列車上廣告牌廣告、列車上用品用具廣告、列車上小商品實物廣告、火車站廣告牌廣告、鐵路報刊雜志廣告、宣傳單張廣告；鐵路建設項目投資、施工；鐵路客運、貨運業務；鐵路連鎖旅遊酒店、餐飲業務；物資貿易；技術進出口；電信運營業務；鐵路銀行業務；能源開發及運營業務。
  6. This scenario makes full use of the characteristic of digital circuits, easily to be realized, no complicated calculation needed. what is more, the precision of it is quite high. it can almost be realized without any error

    此方案充分的考慮了數字電路的特點，實現過程簡單，不需要dsp進行復雜的運算，而且實現精度高，幾乎可以無誤差的實現。
  7. Using the digital technology improves the performance traditional thyristor welding machine, according to the characters of the double inverse star from rectifier circuit, set the parameters with micro - controller accurately, design the dependable trigger circuit, lead the feedback of voltage for the operation program, so the voltage of main circuit be carried out very steadily

    摘要利用數字控制技術對傳統晶閘管焊接電源進行改進，根據雙反星型晶閘管整流電路的特點，採用單片機進行精確設定，設計了高可靠性觸發迴路，結合電壓反饋進行程序運算控制，實現了主電路輸出電壓的精確調整和可靠運行。
  8. Become a kind of new electronics circuit - current - mode circuit. it is replacing the traditional design method of the voltage - mode in the high frequency high - speed signal processing realm 。 this thesis mainly discussed the modified second - generation current conveyors based on the current - mode kinds of new cuicuit components, they are stronger modified standard current - mode parts in fuctions on this foundation. mainly including the modified differential difference current conveyor ( mddccii ) 、 the fully balanced second generation current conveyor ( fbccii ) 、 ( full balances ) four - terminal floating nullor ( fbftfn ) and the current differencing buffered amplifier ( cdba ), they are all function very strong standard current - mode parts, they all can provide some circuit functions of better than general operation amplifier, because they have the voltage importation and the current importation, therefore use it since can carry out the voltage - mode signal processing circuit expediently, can also carry out the current - mode signal processing circuit expediently, and have to increase the benefit bandwidth to accumulate more widely than the voltage - mode, but have their advantages more according to the current - mode filter of the modified current conveyor, because it constitutes in brief, the filter wave function is stronger and they are better than in general use operation amplifier of many advantages, be easy to composing for example 、 high speed 、 frequency bandwidth 、 the power supply voltage requests low 、 consume small, the impedance is different from etc. advantages, otherwise they have biggish dynamic range, and flexible circuit synthesize, so they are the best active parts

    從第二代電流傳輸器ccii入手，重點研究了以下幾種改進型的第二代電流傳輸器:改進的差動差分電流傳輸器mddccii 、全平衡第二代電流傳輸器fbccii 、多輸出四端浮地零器ftfn 、全平衡四端浮地零器fbftfn 、電流差分緩沖放大器cdba的電路結構及其模型。然後在此基礎上系統地研究了基於這幾種改進型的第二代電流傳輸器的濾波器的設計方法，主要方法和結果如下:利用mddccii設計了差分式連續時間電流模式低通、帶通濾波器;電流模式跳耦結構考爾低通濾波器;利用fbccii設計了帶通二階節濾波器及電流模式雙二階通用濾波器;設計了基於多輸出端ftfn的電流模式二階通用濾波器電路;通過數字化開關選擇的基於fbftfn的電流模式通用濾波器;設計了基於最少個數電流緩沖放大器（兩個cdba ）的多功能通用電流模式濾波器及其在非理想因素情況下分析。設計濾波器的主要方法是採用級聯設計、運算模擬（信號流圖法）和反饋設計（跳耦法） 。
  9. Finally the module is accomplished successfully after installation and debugging. it mainly consists of the minimum system of dsp, a / d conversion circuit, cpld control logic, watchdog circuit, op amplifier and filter circuit

    該模塊主要由數字信號處理器最小系統、模數轉換電路、復雜可編程邏輯器件控制邏輯、看門狗電路、運算放大器電路和模擬濾波器電路構成。
  10. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。
  11. On the basis of confirming the plan of the whole design, the technique of modern digital communication, computer and electronic technique are supplied to design the hardware of the large - scale telephone line expander and program the software, also the debugged and the tested experiment are done

    在確定總體設計方案的基礎上，本文採用現代數字通信技術、計算機技術、電子技術研製了大規模電話線路擴容器的硬體，編制了相應的運行軟體，並進行了調試和試運行試驗。
  12. Simulation of digital circuits is based on computing of logic and delay for component in circuit netlist, so for obtaining correct simulation result, i must have logic computing correctly and delay analysis accuracily

    由於數字電路的模擬是基於對電路網表中的元件進行邏輯和延時計算的，所以要想得到正確的模擬結果，必須進行正確的邏輯運算和準確的延時分析。
  13. Hence, the requirements of the servo control card are getting much sophisticated. in this thesis, the research work and implementation details of a 6 axes servo control card are discussed. this card is based on the ti company ? dsp chip tms320f240 and has realized the following functions : a ) signal encoder, b ) position limit, c ) dual ram communication with cpu, d ) coordinated control e ) dia conversion

    該卡以ti公司的16位定點數字信號處理器tms320f240為核心晶元，實現6路編碼器信號輸入處理，軸限位中斷處理，通過雙埠ram與pc進行通訊，接收pc發送過來的控制指令和數據，完成插補運算、聯動運算等控制，通過d / a轉換電路，將結果轉化為模擬電壓送伺服放大器驅動電機。
  14. 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。
  15. With the great progresses and series of break - through in vlsi technologies, integrated dsp comes. integrated dsp has lots of advantages, such as low power cost, compactness, higher working speed and so on. dsp are very suitable in speech signal processing

    隨著超大規模集成電路技術上取得的突破進展，高度集成化的dsp數字信號處理器具有體積小、功耗低和運算速度快等諸多優點，因此非常適用於語音信號的壓縮處理。
  16. Civil air defense alarm system was a system to dispense antiaircraft alarm sig - nal, hand hostile air attack informational communication to urbanite at wartime. it is a particular informational communication system of the civil air defense depart - ment, and can not be taken place. at the development trend of digitaliza - tion, unitization, integration of civil air defense communication, the civil air defense alarm system is developing too, for adaptation to the require of both future war and peaceful dual, and enhancing civil air defense communication system ' s directing automation. in recent years, development of different kinds of communication technology infuses new clearly energy into communication, especially spread spectrum communication, because of its strongly interference - free feature, invisibility best, realizable code division multiple access and antimultipath wane and so on merit, gets extensive use at wireless region ; the corresponding spread spectrum chips emerge as the times and get boom, which provides advantag e to realization of the circuit of spread spectrum communication. at the same time, in company with the advance of electronics level, the single chip microcomputer has a great development, world renowned chip manufacturer pushout respective products one after another, the kinds of which are too many to statiste

    在人防通信的數字化、一體化、綜合化必然的發展趨勢下，人防警報系統也不斷發展，以適應未來戰爭和和平時期的雙重需要，提高人防通信系統指揮自動化。近年來，各種通信技術的發展給通信注入了活力，擴頻通信更因其抗干擾能力強、隱蔽性好、可實現碼分多址和抗多徑衰落等優點在無線領域得到了廣泛應用；其相應擴頻處理晶元應運而生並得到迅速發展，這為擴頻通信的電路實現提供便利。同時隨著微電子工藝水平的提高，單片微型計算機有了飛躍發展，世界上著名的集成電路晶元製造商紛紛推出各自的產品，單片機型號之多，已達到難以統計的地步。
  17. Logic computing is boole expression - based computing on level. it can realize simulating the instantaneous state of digital circuits. but it cannot simulate circuits continuously which have complex delay properties

    邏輯運算是基於布爾表達式的逐級運算，它能夠實現對數字電路瞬間狀態的模擬，但對具有復雜延遲特性的電路進行連續時間的模擬就無能為力了。
  18. In the course of the design, critical technologies are applied, such as digital phase - locked loop, fast fourier transform algorithm, universal asynchronous receiver & transmitter, and so on. in the project, as a important component, the module of monitoring the buses " power quality takes a long time

    在設計過程中，使用的關鍵技術有：使用cpld模擬多路sspc多種狀態；在對匯流條電能質量的監測過程中採用頻率跟蹤技術? ?全數字鎖相環；應用fpga技術使用fft運算進行諧波分析；通用異步收發器等技術。
  19. To achieve tuning the gain of the controller by software and digital logical circuits, this article took the first method for example and introduced the tuning process and tuning result in detail, meanwhile, it has also been validated by the experiments and matlab

    一種是通過計算機軟體對控制器增益進行調節，另?種是運用數字邏輯電路來調節增益，以第一種方法為例，詳細的介紹了調節過程、調節結果，並用實驗和計算機模擬加以驗證。
  20. Through analyzing the results, we expatiate the feasibility of using dsp to implement digital signature. in hardware design, tms320c50 chip is chosen as the core processor and electrical periphery circuit is designed on basis of it. the function and connection information of digital signature electric circle is presented in detail in this report. at last, the validation software of signature is accomplished in computer. we run the whole system to get the result of digital signature and its validation, thus verify the correctness of the signature and the validity in identifying attack

    本次設計在硬體上採用的核心處理晶元為tms320c50 ，在熟悉此晶元的內部結構的基礎上，設計了處理器晶元的外圍功能模塊輔助電路，製作了簽名電路板和硬體介面板，本文具體給出了數字簽名電路板和介面電路板各部分電路塊的功能和接線情況。最後，在計算機中編寫了簽名驗證軟體，並給出運行整個系統得到的對數據「簽名」和對「簽名驗證」的結果，對數字簽名結果的正確性和識別攻擊的有效性進行了驗證。
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