比特同步器 的英文怎麼說

中文拼音 [bǐtètóngbùqì]
比特同步器 英文
bit synchronizer
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 步 : Ⅰ名詞1 （步度; 腳步） pace; step 2 （階段） stage; step 3 （地步; 境地） condition; situation; st...
  • 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
  • 比特 : [計算機] bit （信息量單位）比特波形 bit pattern; 比特差錯率 bit error rate [probability]; 比特緩...
  1. In contrast to traditional synchronous motor of electrical excitation, permanent - magnet synchronous motor ( pmsm ) has more advantages, especially the occasion that requires high precision of control and high reliability, such as avigation, numerical control machine tool, processing center, robot and so on. in addition, it plays an important part in ac motor in modem times

    與傳統的電勵磁同步電機相比，永磁同步電機具有許多優良的特性，尤其是在要求高控制精度和高可靠性的場合，如航空、數控機床、加工中心、機器人等方面獲得了廣泛的應用，在現代交流電機中也佔有舉足輕重的地位。
  2. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式，電力系統的發展使得電流差動保護應用於線路保護成為需要，而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先，本文對目前線路保護的研究和實際應用情況進行了討論和分析，比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次，針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點，同時為加快差動保護的動作速度，對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析，結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護，對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  3. Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc

    本文根據大量的國內外文獻，對研配液壓機的工作原理及設計結構進行了簡介；對位置同步的控制方法進行了比較分析，提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案；在此基礎上著重對比例閥控非對稱缸建模，最後得到位置控制系統的總體數學模型，從理論上對同步系統動態特性進行了分析，並用pid控制器進行參數整定，減小雙缸同步誤差、提高系統的動態響應性能；其中控制性能的分析藉助于matlab軟體中的simulink工具箱，由已建立的數學模型形成模擬模型，得到可視化的模擬結果，從而利於交互方式下調整參數，了解不同的參數對系統的影響，優化同步系統的動態性能；在深入了解系統的動作特性后，對plc控制研配液壓機的原理進行了探討，針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃，編制出研配液壓機動作控製程序，在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。
  4. Based on the analysis of the driving theory of tft - lcd and the characteristic of lvds interface, we designed a drive circuit to control the horizontal / vertical synchronization signals and pixel signal, this drive circuit has a lvds interface. we make and debug the drive circuit by using performance - to - price fpga ep1c3t144 and lvds transmitting chip ds90c387

    在深入分析了液晶顯示器驅動原理和lvds介面特性的基礎上，基於fpga設計了控制顯示器行/場同步信號和顯示像素信號輸出lvds介面的驅動電路，並採用高性價比的fpga晶元ep1c3t144和lvds發送器晶元ds90c387製作和調試了相應的電路。
  5. Fisrt, the flow field of radial and tangential annulus with rotating flow are made by using an advanced piv system, its flow field characteristics are obtained preliminary probed. it is found that the flow field characteristics are not the same between unpermeateing flow and have permeateing flow, otherwise the flow field is compared between rotating flow and dynamic tubular membrane

    首先通過採用先進的piv測試系統，對旋轉流膜器的徑向環隙和切向環隙處的流場進行了實測，初步探討了其流場特性，發現在無滲透流和有滲透流的情況下其流場並不相同，並與旋轉動態膜的分離特性進行了比較。
  6. Base on the characteristics of industry, academe and research institutes, and base on the different degree of merging into an organic whole, cooperating with the model ' s integral analysis, the paper gives further illustration about enforcement tactics of model ' s development. set up specialized agencies to advance cooperation and make innovations ; set up several institutions which have some function like " incubator " and " digesting device " ; cooperating with the enforcement of " r & d ", qualitative & quantitative analysis should be used to carry on a comparable benefit analysis in order to coordinate the relationship between policy decision and interests

    基於產學研各方的特點及結合程度之差異，配合模式的整體分析，進一步說明其發展的實施策略：建立專門機構，推進協調合作創新；建好一批「孵化器」和「消化器」 ；配合實施「 r & d 」 ，同時在實踐中要運用定量、定性相結合的方法來進行效益可比分析，以協助決策和利益關系協調。
  7. In the dissertation, a novel hybrid excitation constant voltage synchronous generator is adopted to improve the system performance, which takes the advantages of both electrical excitation and permanent magnet machines. a parted configuration is presented in order to design the structure of the generator. the adaptive digital adjustment is settled in principle using the single chip microcomputer 80c31 as the control core of the voltage regulator and adopting the proportion - integral - differential control as the control arithmetic, then a sample is made

    論文對同步發電機的工作原理、性能特點、電機本體以及電壓調節器的硬體和軟體設計進行了研究，針對稀土永磁同步發電機變載、變轉速情況下輸出電壓不可調的不足之處，採用一種新穎的電機型式? ?自適應復合勵磁恆壓同步發電機，綜合了永磁發電機和電勵磁發電機的優點，提出一種磁路分開的結構進行電機本體的設計，並選用單片機80c31作為電壓調節器的控制核心，比例?積分?微分控制（ pid ）作為其控制演算法，從原理上較好地解決了其電壓的自動數字調節，並試制了一臺樣機。
  8. The principles and characteristics of synchronous rectification ( sr ) are given, and advantages of self - driven sr in low power applications is detailed. review of several topologies which incorporate self - driven sr makes the constrains of conventional self - driven sr scheme apparent and thus a new scheme to drive srs is proposed. the developed single - winding self - driven synchronous rectification ( swsdsr ) scheme works properly in topologies that drive symmetrically the transformer ( push - pull, half bridge, . . ). it allows for maintaining the srs on even when the voltage in the transformer is zero, which is impossible to do in traditional self - driven approaches

    本文針對低壓/大電流輸出的小功率dc / dc變換器，圍繞著變換器的效率問題，分析了同步整流的原理和特點，重點闡述了自驅動同步整流在低功率場合的優勢，在分析比較了多種與自驅動同步整流相結合使用的電路拓撲后，指出常規的自驅動同步整流方案限制了與之結合使用的電路拓撲的范圍這一局限性，從而給出了一種新穎的單繞組自驅動同步整流方案。
  9. To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed

    利用集成a / d 、 d / a轉換器的新型晶元aduc824 ，實現了電流（電壓）采樣?數據處理?電流控制的閉環控制結構；地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題；控制信號反相的同時進行幅度壓縮，使得輸出調整電壓的解析度提高；根據常規的比例?積分?微分（ pid ）調節模型，針對陀螺系統的特性，給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法；不同條件下系統穩流性能的對比、分析在論文最後給出，並據此找出了決定該系統穩流精度的關鍵因素，提出了系統的改進意見。
  10. Secondly, the mechanism of fatigue is summarized, the factors and measure of driving fatigue is analyzed and then the mechanism of driving fatigue affecting driving safety is studied based on previous study. finally, the experiment of a block design is schemed according to the difference in driving time, using the human factors and experimental psychology theories and instruments. after the experimental data is analyzed, the mechanism of driving fatigue affecting driving safety is tested and the measure of driving fatigue prevention is suggested

    論文以從事公路客運行業的營運駕駛員為研究對象，首先通過問卷和訪談的方式調查了營運駕駛員的實際工作狀況，總結出營運駕駛員的群體特徵;然後，從理論角度闡述了疲勞的產生機理，分析了駕駛疲勞的產生原因及測量方法，並在總結前人研究成果的基礎上進一步分析了駕駛疲勞對行車安全的影響機理;最後，應用人機工程學和實驗心理學的理論方法和實驗儀器，按駕駛時間的不同設計了區組對比的實驗方案，通過對實驗數據的匯總分析，驗證了駕駛疲勞對行車安全的影響機理，並提出了預防疲勞駕駛的措施和建議。
  11. So it becomes the most competitive new type of gyroscope. the interference fog is in the application process. the resonance fog needs shorter fiber or waveguide to realize the same sensitivity, comparing with the interference fog it can realize integration in silicon planar waveguide module and integration of ring cavity, input and output optical circuits and modulator in single chip of planar waveguide

    與干涉式光纖陀螺相比，為達到同樣的靈敏度，諧振式光學陀螺需要的光纖或波導長度要短幾十倍，並可以進一步實現將環形腔、輸入輸出光路、調制器等集成在單片平面波導上，特別適合於研製微型光學陀螺。
  12. Simulation has shown that the proposed scheme can achieve more accurately in similarity examination than scheme which proposed by [ 102 ]. so the bit number of coded video stream was decreased about 22. 95 percent and thus the compression ratio was improved. although the coding cost was increased about 8. 25 percent by using proposed scheme

    模擬實驗表明，與文獻[ 102 ]方案相比，提出的方案雖然增加了約8 . 25的編碼器編碼耗時，卻有效提高了對視頻序列突變幀的檢測精度，從而進一步降低編碼器端輸出編碼視頻流的比特數達22 . 95左右，在基本不影響重構視頻信息視覺質量的同時提高了編碼器的壓縮效率。
  13. The micromanipulator must contact the objects to be handled in the manipulation process and the end - effector will be loaded by the exterior forces. the static mechanics of the manipulator has been analyzed on the basis of the work done above, by the way of the screw theory the mechanics jacobia is educed, furthmore, the matrix is the transpose of the kinematics jacobia in such a microscopic world. meanwhile the index of the static stiffness and payload related to the mechanics is studied

    微動機器人在操作過程中，必然要接觸到操作對象，末端執行器要受到力力矩的作用，在前面分析的基礎上，進一步分析其靜力學性能，運用螺旋理論導出反映其靜力特性的力雅克比矩陣，並且可以看到此矩陣與速度雅克比互為轉置。同時還考察了微動機器人的靜剛度、承載能力指標。
  14. The line code is very efficient for bit synchronization in the communication systems and it is useful to choose the appropriate line code. the dissertation introduces the advantages of the manchester code, then studies the way to realize the encoding and decoding of the manchester code, and introduces the process of the joint - debugging on the whole system. the contents of this dissertation are as follows : 1

    本文首先討論了線路編碼與實現通信中位同步的關系，以此為出發點，討論了曼徹斯特碼作為一種線路碼于其他碼型的相對優勢，而後研究了編解碼器實現方案中的幾種待選方案，並對幾種方案做了對比論述后，設計了合適的方案，接著詳細研究了曼徹斯特碼編解碼器的硬體實現並進行了模擬。
  15. Except to realize the function of normal rpc, arpc provides a number of new capabilities not available in normal rpc. these capabilities include : dynamic load balancing, service transparence, service parallel execution, synchronous and asynchronous call, out - of order replies, dynamic creating of server, combined client - server support, p2p communication style, receipt acknowledgement and so on

    除實現通常的rpc具有的功能外， arpc還有許多新的功能和特點，比如動態負載平衡、服務透明、服務并行執行、同步、異步調用功能、不需按請求順序響應、服務器的動態創建、客戶?服務器支持、 p2p的通訊風格、消息接受確認等。
  16. For the image acquisition of optical scan mode, normally, ccd image sensor is used to capture image, but in our system, due to the system request of micromation and high integration, cmos image sensor is adopted as the image collection device, and then the thesis gives a interface circuit between the chip and dsp and a control solution of image collection ; toward the information storage in our solution, dsp is directly linked to usb host chip and it is the dsp that accomplishes the processing of usb protocol and interface control so as to reduce the cost, minimize product cubage and consequently meet the requirement of system micromation ; at the same time, the thesis probes preliminarily into usb otg ( on - the - go ) technology, which offers an approach between embedded machines including pda, mobile phone, printer, digital camera and so on ; in addition, some attempts on the other application area with tms320vc5402 which was commonly used to voice processing and static image processing are done, for example, to arrange the chip to control lcd module directly

    在圖像的光電掃描輸入上，傳統方案大部分採用ccd型圖像傳感器，而在本方案中，根據系統微型化、高集成的特點，使用了cmos圖像傳感器作為攝像器件，並且設計了該晶元與dsp的一種介面電路以及圖像採集控制方案；在信息存儲上，本方案採用dsp直接與usbhost晶元連接，由dsp處理usb協議和介面信息，從而降低了系統成本、縮小了產品體積，滿足了系統微型化的要求；同時本論文也對usb - otg技術進行了初步探討，利用此項技術，不再需要計算機作為主機，就能實現在pda 、移動電話、印表機、數碼相機等嵌入式應用之間直接互聯通信；另外也對廣泛用於語音處理和靜態圖像處理的tms320vc5402其它方面的應用進行了嘗試，比如直接控制液晶顯示器等。
  17. According to the demand of the technology of gas nitriding, the author firstly put forward total demand analysis and systematic model - making for gas - nitriding furnace ' s temperature control system with uml in order to definite the temperature control system ' s functional requirement and the interaction of each object in this system on the basis of this idea. it ' s thought that the key step for realizing the temperature control system is the analysis and the design of the pid controller. considering that the gas - nitriding furnace has significant temperature lag, the author initially pointed out the opinion of realizing the system of temperature control by pid controller with pure lag compensation and then designed the parameter of pid controller with pure lag compensation and ordinary pid controller by matlab6. 5

    這篇論文以作者本人在原工作單位的技術改造實踐中（即滲氮爐的技術改造）所遺留下來的技術問題為背景，根據氣體滲氮工藝的具體需要，首先提出了用uml對滲氮爐溫控系統進行總體的需求分析和系統實物建模以明確溫控系統的功能需求及各對象間的交互，在此基礎上分析得出溫控系統實現的關鍵所在即pid控制器的分析設計和實現，由氣體滲氮爐存在較大的溫度滯后這一特性，初步提出用帶純滯后補償的pid控制器來實現溫控系統的溫度控制，隨后藉助于matlab6 . 5平臺對帶純滯后補償的pid控制器和常規的pid控制器進行參數的設計與整定，進而在matlab6 . 5的simulink模擬環境中對基於兩種不同pid控制器的滲氮爐的兩種溫控系統的設計方案進行了模擬實現及模擬結果比較，結果表明，採用帶純滯后補償的pid控制系統的魯棒性較常規的pid控制系統好。
  18. In this thesis, by the summarizing and analyzing about the present stability control study state of synchronous generator unit, it is achieved that the governor pss ( gpss ) is more suitable for the stability control of multi - machine system because of its better decoupled character than conventional pss ; the intelligence control theory is more reasonable than conventional methods to design the hydro - generator unit gpss because of the uncertainty of mathematical model of hydro - electricity system caused by intense nonlinear character and time - variant operating mode of hydro - turbine and water - hammer effect of hydraulic system

    本文對同步發電機組穩定控制的研究現狀進行了綜述和分析。認為：與常規pss相比，調速器側pss （ gpss ）具有良好的解耦特性，更宜用於多機系統的穩定控制；由於水輪機特性的強非線性、工況的時變性以及引水系統的水擊效應所導致的水電系統數學模型的不確定性，採用智能控制理論設計水電機組gpss較常規設計方法更為合理。
  19. The blind synchronization method based on cyclostationarity is firstly analyzed in the downlink. simulations of the method are carried out under different channel conditions. the performances of the method are analyzed, and then compared with the blind method based on the cyclic prefix of ofdm symbols, thus the validity of the method is proved

    本文首先在下行鏈路中分析了基於ofdm信號的循環平穩特性的盲同步信息估計演算法，並在多種通道條件下進行了計算機模擬，對基於ofdm信號循環平穩特性的估計器的性能進行了分析，並與基於ofdm信號循環前綴的ml演算法的估計性能進行了比較，從而證明了提出演算法的有效性。
  20. Background is high resolution moving picture. the working principle is like midi karaoke player. but the defect of midi is obvious, midi music is pure musical instruments play combination, expression ability be got restriction. now, with the advance of technology, will use the form of mp3 lyric karaoke songs to replace the form of midi, the song files playing have realized original sing, to improve the amusement of karaoke. make mtv sing more to be fill with expression, another, the price is cheap, below with midi karaoke player product of same class. becase support cd vcd dvd jpeg mp3 mpeg4 disc form moreover, so apply extensively

    這款點歌機主要的特點是支持mp3走字字幕格式的mtv歌曲文件，背景是連續滾動播放的高畫質視頻，類似於midi點歌機的工作原理，但是midi的缺陷是現而易見的，它的音樂是純樂器音符的演奏組合，表現能力就受到了限制，隨著技術的進步，用mp3走字的方式來替代midi走字的方式演義卡拉ok歌曲，歌曲文件的播放就實現了原聲原唱的要求，大大提高了卡拉ok的娛樂性，使mtv演唱更富有表現力，另外，性價比也較突出，價格總體要低於同檔次的midi點歌機產品，由於同時兼容普通cd vcd dvd jpeg mp3 mpeg4碟片的播放，具有廣泛的適用性，所以是家用娛樂設備的不二選擇。
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