晶體控制電路 的英文怎麼說

中文拼音 [jīngkòngzhìdiàn]
晶體控制電路 英文
crystal control circuit
  • : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
  • : 體構詞成分。
  • : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • : 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...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • 晶體 : [晶體學] crystal; vitrella; crystal body; crystalloid; x-tal
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  • 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. This paper mainly aims at the characteristics of the hardware and software structure of the parallel computer on satellite, and has fulfilled researches of fault tolerant technique in three aspects of control theories and engineering : the first research of the system level fault - tolerant module is based on the system structure of the parallel computer on satellite, a kind of cold backup module and a kind of hot backup module for multiprocessor computer have been put forward. then the research of software fault tolerant technique which is based on the operate system named rtems has been carried, the mission level fault - tolerate arithmetic and the system level fault - tolerate mechanism and strategies based on the check point technique have been put forward, at the same time the self - repair technique of software which has used the technique of system re - inject has been studied. finally the technique of components level fault - tolerant based on fpga has been studied, a kind of two level fault - tolerant project which aims at the fault - tolerant module of the parallel computer on satellite has been put forward, and the augmentative of circuit that project design realization need is little, this project can avoid any breakdown of any part logic circuit of the fpga

    本課題主要針對星載并行計算機系結構及軟結構的特點,從如下三個方面進行了容錯理論研究和實踐工作:首先進行了基於星載多cpu并行計算機系結構的系統級容錯模型研究,提出了一種多cpu冷備份容錯模型和一種多cpu熱備份容錯模型;然後進行了基於rtems操作系統的軟容錯技術研究,提出了任務級容錯調度演算法以及基於檢查點技術的系統級容錯恢復機和策略,同時研究了利用系統重注入進行軟在線自修復的容錯技術;最後研究了基於fpga的部件級容錯技術,提出了對容錯模塊這一星載并行計算機關鍵部件的兩級容錯方案,實現該方案所需增加的少,可避免板級元以及fpga元內部任何邏輯發生單點故障。
  2. On the basis of the research of former graduates, we design the hardware & software of digital boxcar by employing the high - speed ad fpga chip and the usb protocol controller chip, and we realized the high - speed sampling, digital adding, high - speed storage, data transmission and interface circuits of pc successfully

    根據實驗室前幾屆研究生的積累,前人研究方案的基礎上,利用ad元、 fpga元和usb協議元重新設計了boxcar的硬實現和相應的檢測軟
  3. At the same time the principles of triggering pulse to the three - phase thyristors is discussed, and a way using monostable multivibrator to produce the pulses has been given below. the hardware control system based on tms320f240 is designed, which includes sampling circuit, protective circuit, phase - compensated circuit and so on

    對三相閘管抗器的觸發脈沖產生原理進行了分析,採用單穩態觸發器實現六相觸發同步;設計了以tms320f240為核心的硬平臺,包括采樣、保護、六相觸發同步等外圍
  4. Chapter two is data sample of system. it will discuss the data conversion theory, 24bit e - a data conversion, mux - channel switch sampling technology, and emc design. among them, we will introduce the principle and application of ads 1251, application of photomos technology in mux - channel switch sampling, and emc design with hardware and software of gas feed controller, which has good performance in reliability

    第二章介紹系統的數據採集,該部分包括24bit -采樣原理、多信號切換採集技術和磁兼容設計,其中,主要介紹了ads1251元的工作原理和應用, photomos技術在多信號切換采樣中的應用,以及配氣器在硬、軟等方面所做的磁兼容設計,通過這些設計使得系統具有很好的穩定性和抗干擾性。
  5. The development of fieldbus technology made lonworks field bus outstanding in all kinds of fieldbus. this paper simply introduces some kinds of common using fieldbus and the important position and influence of lonworks fieldbus in all kinds of fieldbus, carefully describes the technology core of lonworks technology, puts great emphasis on the introduction of the development and design of public security node of intelligent district which adopts computer, communication and control technology, carefully designs the interfaces of hardware circuits. the public security node of intelligent adopts 8031 single chip as its main processor to complete the application program of user, which mainly collects, process and control all kinds of field signal, and neuron chip 3150 as its slave processor to communicate with other nodes on field network, which works under parrel slave a mode

    現場總線技術的發展使得lonworks技術脫穎而出,本文簡要介紹了常用的幾種現場總線的概況以及lonworks技術在現場總線技術中的地位和影響,對lonworks技術的技術核心:神經元元、 lontalk協議、 lonworks收發器、 lonbuilder及nodebuilder進行詳盡的描述;重點介紹了集先進的計算機技術、通信技術、技術為一的智能小區安防節點的開發與研製,對節點硬的各種介面進行了詳盡的設計。本文設計的智能小區安防節點採用單片機8031作為主處理器來完成用戶的應用程序,主要負責對各種現場信號進行採集、處理及,工作在并行從a方式下的神經元元mc3150作為從處理器,主要完成與現場網上的各節點及中心室之間的通信工作。
  6. The concept of " timing " in the article is not the clock in our ordinary living, but syntheses which is made up of some frequency source in the signal generator ( such as cs atom frequency standard, rb clock & high accuracy quartz crystal oscillator ) which produces the primary frequency, the matching input interface and the matching output interface and controlling circuit etc. for example, bits is a kind of timing equipment, which is used to control the timing of some functions

    本文論及的「時鐘」概念不是指日常生活中使用的鐘表,而是由產生基準頻率的信號發生器(如銫原子頻率標準、銣鐘及高精度石英振蕩器等)中的某種頻率源以及相配套的輸入、輸出介面和等組成的一整套具有特定同步定時功能的綜合。如bits就是一種時鐘設備,它提供用在通信系統中某些功能的定時的時間基準設備,時鐘提供的信號稱為基準信號、定時信號或同步信號。
  7. 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的缺陷和未來直接轉矩技術發展方向,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? ?利用基於bp網增廣pidbp學習演算法來實時在線地修正定子阻參數; ( 3 )採用數字信號處理器dsp實現系統全數字化硬,結合ti公司生產的tms320lf2407元,設計了直接轉矩系統的實驗裝置; ( 4 )提出了基於sercos總線網化分散式的直接轉矩系統, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調的串列實時通信協議; ( 5 )基本勾勒出整個系統的硬和軟設計基本框架,詳細描述一些實驗中的具的細節問題。
  8. The control circuit of digitalized soft - starter with the three - phase ac voltage regulating was designed. the digital phase shifting trigger based on the 80c196kc mcs and gal16v8 programmable device was developed. the control method for digital phase shifting trigger was given and its principle of operation and designing was discussed

    設計了三相閘管交流調壓數字軟起動器的硬;研製了採用80c196kc單片機和gal16v8可編程器件構成的數字移相觸發系統;給出了數字移相觸發方法,分析和討論了該方法的工作和設計原理;採用了一種參數自整定的混合型模糊pid方法。
  9. 4. the dsp ' s structure, characteristic, abundant hardware resources and efficient code are introduced in detail ; the control elementary diagram and system frame are given, designed the hardware circuit diagram, make out the program

    Dsp軟、硬的實現及模擬詳細介紹dsp元的特點、結構、豐富的片內資源、高效的指令代碼,並根據前述的模型,給出了原理圖、系統框圖,設計了,編
  10. But for some special medium materials, such as liquid crystal display controller pcb, magnifiers must be used to gather images to gain enough precision of inspection for the weak contrast between the basic board and the conductor. the images near the light axes are much cleared than that far away from the light axes, so the images can not be simply segmented by black and white and inspected with the methods of pcb which are based on the black white image

    但對於一些特殊介質材料,如液顯示板的檢測,由於基板和導之間對比度不大,而且為了達到檢測精度,必須採用放大鏡頭進行圖像採集,成像系統光軸附近的圖像成像質量較好,而偏離光軸較遠的圖像質量較差。不能通過簡單二值化來很好地分割圖像,而已有的印刷板檢測方法都是建立在二值圖像進行分析的基礎上。
  11. 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的總線介面元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結構設計,其中,對數據緩沖、數據傳輸速率選擇、邏輯等各關鍵點做了重點介紹;具闡述了軟設計思想及流程圖,包括軟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、平轉換等方面進行了介面模塊的軟、硬調試;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。
  12. Compared with the similar research results, the weighted control ic here has the following characteristics : ( 1 ) the circuit structure is simpler ; ( 2 ) the chip ' s fabrication is compatible with standard cmos process ; ( 3 ) n - mosfets with high w / l ratio and short channels are used for weighting and output to reduce the insertion loss ; ( 4 ) the weighting factor varies in a relatively wide range with the controlling signals ; ( 5 ) input and output impedance approach 50 in low frequency ( e. g. 50mhz ), while in higher frequency they slightly deviate from 50, hence the energy reflection lower than 0. 1 ; ( 6 ) it completes the functions of sampling, weighting, controlling and summing of high frequency analog signals

    它的加權與已報道的相關相比具有如下特點:結構簡單;製造工藝與普通cmos工藝兼容:短溝道,高寬長比的nmos管具有低的通導阻,將其作為加權、輸出器件可降低由引起的插入損耗;改變加權信號,可實現權值在較大范圍內的連續變化;輸入、輸出阻抗在低頻(如50mhz )下接近50 ,而在高頻下略有偏離50 ,但反射系數均低於0 . 1 ;實現了對高頻信號的取樣、加權、、疊加功能的迭加。
  13. After a brief discussion about the dso theories and its system construction, we go on with the hardware circuit designs of dso, namely, anologe channel, fpga, dsp, a / d converter, lcd. the main part of this paper focus on the design of the peripheral controller, which is implemented by fpga and almost includes all of the digital circuits of the dso

    在對示波器工作原理和系統結構進行簡要的討論之後,本文對dsp核心、 fpga元和外圍、 lcd顯示器、模擬通道、高速a / d轉換等示波表系統的硬的設計進行了簡單介紹。
  14. Firstly, the current testing localization in the detection of electric bow is analyzed and the new system ' s whole construction developed in this thesis is introduced ; in the 2rd chapter, the embedded 110v dc power supply is analyzed and constructed, and with experiments, some dissonant results such as the fluctuation of output pwm ( pulse width modulation ) pulses, the power noise added to output voltage, and the drop of output voltage have been analyzed and the problems have been broken down one by one ; in chapter 3, stepping motor ' s drive has been systematically dissertated, and combing stepping motor ' s subdivided drive technology, the author develops an intelligent mini - step driving circuit using a main - sub microprocessor structure, which is validated in the hybrid stepper based system ; in the 4th chapter, liquid crystal driving and displaying technology is specified in detail, with one sort of lcd modules ( tlm12864h ), the author develops an feasible circuit for the new testing system, designs a menu mode based program struc ture and brings here some programming codes using franklin c51 programming language ; in chapter 5, the above built system is used in the electric bow ' s practical detection, and the differentiating rate of this system is analyzed

    論文首先分析了目前機車受弓檢修方式存在的局限並概述了本論文研製的受弓測試系統的系架構;第二章對系統內置110v直流源進行了分析和設計,結合試驗對輸出pwm振蕩、輸出源噪聲大、輸出壓下跌等現象進行了分析並提出解決措施;第三章論述了步進機的驅動,結合步進機微步驅動技術研製了基於上下位單片機組的混合式步進機智能驅動,並在試驗中得以驗證;第四章詳述了液驅動及顯示技術,利用一款液顯示模塊tlm12864h研製出本系統用液顯示,設計了菜單式的程序結構並以franklinc51編程方式給出部分子程序代碼;第五章則將以上構建的整個系統應用在機車受弓的實測中,並對測試解析度進行了分析。
  15. Moreover, video control program to implement internal function of fpga is designed including video capture time sequence control, ping - pang frame buffer read and write time sequence control and lcd display time sequence control, and program ' s simulation and analysis is also provided. at last, this paper presents a portable iv ' s video processing system, and proposes three buffer strategy to control capture buffer. and a moving object detection algorithm of combing an adaptive background subtraction technique with a three - frame differencing is adopted

    設計了基於fpga系統結構的車載視頻顯示板;利用單片機io口模擬i2c時序,實現了視頻解碼;利用fpga實現視頻,研究了採集通道時序、雙幀存ram讀寫時序及lcd顯示時序的方法,並進行了軟模擬和分析;設計了車載視頻檢測系統方案,給出了管理採集緩沖區的三幀緩沖策略,採用綜合三幀差分和自適應背景相減的演算法實現運動檢測,連通檢測去除虛目標,模擬實驗證明其有效性,同時分析了該演算法在dsp視頻檢測系統中的簡單實現方法。
  16. It is the first time that driving chip used by pdp is applied to the fed panel. by adopting the new ic and the novel driving method, the developed grey scale modulator achieve high flexbility, stability and high integration. the circuit system includes cyclonetm fpga from altera and stv7610 from st microelectronic. with the capability of generating two kinds of modulating waveform, it has the advantages of flexible configuration, high display - quality, high integration and low cost. fpga design is based on the quartus platform. data transforming and the system controlling are achieved by using single fpga

    基於altera公司cyclone系列fpga和st公司stv7610驅動元設計的fed顯示器的灰度調系統可以支持兩種調波形,具有配置靈活,顯示性能好等優點,其集成度為原有系統的三倍,且造價更低廉;基於quartusii軟平臺進行了fpga的系統開發與優化,採用單片fpga完成了全部的數據轉換和系統功能, fpga的可編程特性使系統的設計具有充分的靈活性和可擴展性。
  17. Secondly, based on the analysis of locomotive model for gecko robots, the 8051 chip and the atmega8 chip were selected as the mcu ( micro control unit ) respectively, which meet the need of the control system. the corresponding hardware circuit was designed

    在對壁虎機器人運動模型進行扼要的分析基礎上,選擇了所需的硬,其中早期選用的元為8051 ,後期選用的元為atmega8 ,並且設計相關的板。
  18. The proposed driving circuit includes a low - pass filter circuit 、 feedback circuit 、 signal generated circuit 、 phase shifted circuit and power inverter circuit. a ti cooperation ' s dsp ( tms320lf2407a ) is chosen for the drive and control system based on the characteristics of usm, the interface circuit 、 each function ’ s flow chart and algorithm program are designed

    根據usm的特點,選取一款專用於的dsp元tms320lf2407a ,設計了硬介面、各功能部分的流程圖及演算法程序,以ccs為編譯環境,進行機整個系統的軟編寫與調試。
  19. It has given the solutions how to troubleshoot the problem of amlcd at low - temperature environment, including thermal power theoretical calculation of ito heater - film, the technology of built - in ito soft heater - film in lcd, and heat control circuits at low temperature, etc. this paper presents a way to solve the problems, namely, lcd response slowly, and even not work in low temperature environment. in addition, this paper also researches into the features of vibration, shock and emc, and gives the means of how to solve them by reinforcing rigidity, shielding and filter etc

    本文在深入研究液顯示器溫度、振動、沖擊、磁兼容、潮濕等環境特性的基礎上,解決了液屏在惡劣環境下工作的具問題,提出了有源液顯示器的低溫解決措施,包括ito加熱膜加熱功率的理論計算、液屏內置ito柔性加熱膜工藝、低溫加熱等,較好地解決了模塊化液顯示器在低溫環境下出現的響應速度慢,甚至不能使用的問題。
  20. The mixed control chip sg3525a combined with hardware pi controller generates the high - frequency pwm pulse for the first inverter. the digital control block tms320lf2407a mainly provides current preset for constant - current source through the outer filter, pwm pulse for the second inverter and drive signal for the high - frequency pulse power supply

    其中變極性源的一次逆變pwm信號由pwm發生元sg3525a ,配以外部硬pi調節器產生;一次逆變閉環流給定(配以外部濾波) 、二次逆變pwm驅動以及高頻脈沖源的則由tms320lf2407a數字器實現。
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