預定電路 的英文怎麼說
中文拼音 [yùdìngdiànlù]
預定電路
英文
predetermining circuit- 預 : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 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...
- 預定 : 1. (預先規定或約定) fix in advance; predetermine; schedule 2. [計算機] reserve
- 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
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This paper describes an automatic contest robot from the cctv holding “ the first robot tv contest all over the academician ”, describes the function and the realization of the robot in greater detail. the robot adopts two stepper motors in the stepped driving control system and putting - ball control system like fishing, with the control of at89c52 single - chip microcomputer, it can synchronously produce driving pulse for two stepper motors and control the moving of the robot along the predetermined line
該競賽機器人採用步進電機作為行走驅動,釣魚桿式的放球控制系統,在at89c52單片機的控制下,分別為左、右步進電機產生脈沖,控制機器人按照預設的固定路線行走,待機器人到達預定的目標位置后,同時控制多個放球機構,從而能分別將賽球準確地放入到比賽圓筒中。A term applied to a circuit or method of working in which data is transmitted in only one preassigned direction
用於一個電路或工作方式的一種術語,其中數據傳輸僅以一個預定的方向進行。Abstract : a cad tool based on a group of efficient algorithms to verify, design, and optimize power / ground networks for standard cell model is presented. nonlinear programming techniques, branch and bound algorithms and incomplete cholesky decomposition conjugate gradient method ( iccg ) are the three main parts of our work. users can choose nonlinear programming method or branch and bound algorithm to satisfy their different requirements of precision and speed. the experimental results prove that the algorithms can run very fast with lower wiring resources consumption. as a result, the cad tool based on these algorithms is able to cope with large - scale circuits
文摘:介紹了一個基於標準單元布圖模式的電源線/地線網路的輔助設計集成工具.它應用了一系列高效的演算法,為用戶提供了電源線/地線網路的設計、優化和驗證的功能.非線性優化技術、分枝定界演算法和不完全喬萊斯基分解的預優共軛梯度法是該工作的三個主體部分.用戶可以選擇使用非線性規劃的方法或者幾種分枝定界方法來滿足他們對于精度和速度方面的不同需求.實驗結果表明,文中所提供的演算法可以在很快的運行速度下實現更低的布線資源佔用.因此,在這些有效演算法基礎上實現的輔助設計工具具有處理大規模電路的能力Secondly, compared with some other kinds of comparator structure and based on the preamplifier - latch fast - compare theory, a novel topology of cmos preamplifier latch comparator circuit is presented. considering trade - off between kickback noise and power dissipation, reference resistance value is optimized. according to the encode demands of different stage resolution, clock - control encode circuit is designed
其後,在具體的子adc設計中,對比各比較器類型的優缺點,並基於預放大鎖存快速比較理論,提出一種新型高速低功耗預放大鎖存比較器電路拓撲;根據adc系統所允許的參考電壓最大波動限制,在回饋噪聲對輸入參考電平的影響和功耗之間折衷,確定優化的參考電阻串阻值;根據不同級精度的編碼要求,設計出時鐘控制編碼電路。After which, the battery will be charged by large constant current to allow the fast charging. finally, the constant voltage charging is adopted to guarantee the battery was charged to its full capacity. under the condition that the temperature has raised to a certain threshold at the constant current charging stage, the over temperature circuit is performing and it provides a compensation current which switches the system to constant temperature charging mode with the intention of protecting the ic
即在充電初期採用較小的電流對電池進行預處理,對出現過放電的電池進行修復和保護;然後採用較大的恆定電流對電池充電,實現快速充電的目的;最後採用恆定壓充電,確保電池充滿;在恆流充電階段,當晶元溫度上升到一定程度時,晶元過熱保護電路開始工作,該電路以提供充電補償電流的形式使充電進入恆溫充電模式,對晶元進行保護。The simulation results are all in accordance with the theory analysis, some even better than the theoretical specification. the basic principle of discrete pulse frequency modulation on step - up dc / dc converter is testified, and this effort accumulates more experience to design
在完成電路原理分析與電路設計的基礎之上,應用eda軟體hspice對各個子電路模塊和整體電路進行了功能模擬及量化模擬,模擬結果均達到或優于預定指標。In chapter three, the all sub - circuits including uvlo, current bias, ldo, oscillator, green mode, slop compensation, power limiting, pwm, ovp, blanking time generator, logic controller are designed and simulated. as a result, all of the sub - circuits are satisfied the requirements
本文第三章對集成電路內各個模塊包括欠壓保護、電流偏置、 ldo 、振蕩器、綠色模式、斜坡補償、功率限制、脈寬調制、過壓保護、前沿消隱、邏輯控制電路等進行了設計與模擬,且達到了預定的設計目標。Divider, coaxial line, trigger, signal processing, data acquisition, acquisition control and waveform analysis software is included in the device. when the device operate in the system, overvoltage is transferred to coaxial line by the divider. if the overvoltage amplitude is higher than initialization value, data acqusition card start sampling. when sampling is over, computer save data to file. engineer can analyse parameter of waveform by appropriative software reading data from file
當裝置在線運行時,系統中出現的過電壓信號通過分壓器傳遞到同軸電纜,通過觸發電路判斷,如果大於預先設定的值則啟動採集卡的同時采樣,采樣結束后,計算機把數據存盤並以文件格式保存,管理人員隨時通過調用專用軟體調取文件進行各種參數分析。Overvoltage amplitude is higher than initialization value, data acqusition card start sampling. when sampling is over, computer save data to file. engineer can analyse parameter of waveform by appropriative software reading data from file. in the trial measurement, the device shows good performance. simulant trial and actual result indicate that method in the paper acquire approving effect, and the device can be used in the lokv distribution network
當裝置在線運行時,系統中出現的過電壓信號通過分壓器傳遞到同軸電纜,通過觸發電路判斷,如果大於預先設定的值則啟動採集卡的同時采樣,采樣結束后,計算機把數據存盤並以文件格式保存,管理人員隨時通過調用專用軟體調取文件進行各種參數分析。The level adjustment circuit 100 lowers the clock signal input to the first clock terminal ck1 by a predetermined value from h level and provides the signal to the gate of the transistor q5
電平調節電路100將送往第一個時鐘終端ck1的時鐘信號從h電平降低一個預定值,並將此信號送往晶體管q5的輸入端。The algorithm can be applied to connection routing in pcbs with various pad geometry and pad sizes, with different wire widths and variable distances between wires. the basic element in routing is the search line with a given destination. the main features of the router are the target orientation of the search lines, the routing efficiency is guaranteed by rationally designed data structures and by the ability of searching around obstacles, the small amount of working storage and the reasonably short routing time
該布線演算法適用於焊盤外形尺寸不一,線寬及線間距離可變的印刷電路板布線,其基本要素是帶有預定終點的探索線,特點是線探索具有目標針對性,設計合理的數據結構及靈活的繞障探索方式可大大提高搜索效率,所需存儲量小,布線速度快。Based on the research and analysis of system structure of 10 - bit 100msps pipelined cmos adc, according to the system performance, the specifications of sub _ adc is obtained, while the sub _ adc including the preamplifier - latch comparator, the reference ladder resistance and the clock - control encode circuits are discussed in detail
基於對10 - bit100mspspipelinedcmosadc系統結構的分析研究,結合系統性能確定了子adc的指標要求,詳細討論並設計了子adc單元模塊的設計,包括預放大鎖存比較器,參考電阻串和時鐘控制編碼電路。Use of time sequence method to predict the future growth trend of the fixed network telecom industry revenue ; contrasting the fixed telephone development of town and village, adopting logistic growth curve econometrics method to analyze three development stages of chinese village fixed telephone market ; draw a conclusion that the chinese village fixed telephone has a huge development potential ; and predict the development trend of village fixed network telecom in several years ; adopting logistic growth curve method to calculate and analyze internet business growth stage ; while studying internet development potential, we draw a conclusion that internet business also have a good growth foreground, and give a quantitative predict of internet industry development
運用時間序列外推法預測未來固網電信業收入增長趨勢;通過城鎮與農村固定電話發展對比,採用logistic成長曲線計量經濟方法分析了中國農村固定電話市場發展的三個階段,認為中國農村固定電話處于高速發展的中期,具很大的發展潛力,並定量預測出未來中國農村固話發展趨勢;在研究網際網路及寬帶接入業務發展潛力時,同樣採用logistic成長曲線計量方法,分析了網際網路業務成長階段,得出網際網路業務尤其是寬帶業務具有很好的增長前景的結論,並定量預測出未來網際網路業務、寬帶業務的增長趨勢。Gb1094. 5 - 85 power transformers part 5 ability to withstand short circuit only applies to power transformers, not to balanced transformers. if short - circuit test on balanced transformers can be performed by means of single phase supply instead of three phase supply, and other special transformers can also be done in this way, so it is very significant to improve test capacity of transformer laboratory in our country
變壓器的短路強度只能通過短路試驗來驗證,國家標準gb1094 . 5 - 1985 《電力變壓器第5部分承受短路的能力》只適用於電力變壓器,對平衡變壓器等特殊變壓器並無具體規定,對于平衡變壓器,如果可以用單相電源預先短路法模擬三相電源的短路試驗,那麼其它特種變壓器的短路試驗也可以參照進行,這對提高我國變壓器試驗室的試驗能力具有重要意義。Finally, it takes a detailed test to the processed millimeter 4 - bit digital phase shifter. the test result is better than expectant guideline : the maximum of the phase error is 10, the insertion loss is better than 10. 74db, the return loss is more than - 14. 88db in the 33. 9ghz 34. 5ghz frequency band. the whole volume of the phase shifter is 80mm 35mm 20mm
最後,對加工出的毫米波四位數字移相器進行了測試,測試結果完全達到了預定指標要求:在所要求的33 . 9ghz 34 . 5ghz頻帶內,最大相移誤差小於10 ,插入損耗小於10 . 74db ,輸入輸出回波損耗大於- 14 . 88db ,整個電路尺寸為80mm 35mm 20mm 。So in one hand it requires the wafer ' s diameter to be more large in order to enhance the productivity, and on the other hand it puts forward more strict requirement about the crystal perfection and electricity character. especially the electronic character and the equality of micro - area in the crystal wafer has become the key factor to determine whether the device can be made on it or not. so the resistivity measurement of micro - area become one most important procedure in the chip machining. to ensure the produce quality of chip and the perfect performance of final production, the four - probe testing technology need to be deeply studied
圖形日益微細化,電路尺寸不斷縮小,目前ic製造以8英寸、 0 . 13 m為主,預計在2007年左右將以12英寸、 65nm為主,這一方面要求圓片直徑不斷增大以提高生產率,另一方面對晶體的完美性、機械及電特性也提出了更為嚴格的要求。特別是微區的電學特性及其均勻性已經成為決定將來器件性能優劣的關鍵因素。因此,微區電阻率的測試成為晶元加工之中的重要工序。Under some conditions, short - circuit test on balanced transformers can be performed by means of 1. 5 phase supply. it is proved to be equivalent to the short - circuit fault during their operation. the test results comply with gb1094. 5 - 1985
建立一定的試驗條件,在1 . 5相電源雙臂預先短路情況下進行短路試驗,使短路試驗能夠同時滿足實際運行中發生短路時的短路電流有效值和短路電流峰值的要求,並進行試驗驗證。The system is based on chopper constant current drive technique, according to the top level design idea, adopting advanced specical subdivision control integrate circuit and powerful function 80c196kc to organize the system frame, desiging the minimum system of single - chip microcomputer, multifunction i / o interface circuit, relay switch circuit, keyboard and display circuit, multifunction digital setting interface circuit and so on, utilizing the hso and hsi interface circuit which are owned by this single - chip microcomputer exclusively and its powerful command system to realize dual - degree switch control, automation orientation, automatically searching zero position, locking machine when stopping, frequency to set digitally, automatically adjusting speed through changing frequency, swithing subdivision or squarewave control, on the basis of above, the system also have the function of running according to the setting steps and the frequency, voltage and current to display through the led, etc
系統基於斬波恆流驅動技術,按照頂層設計思想,採用先進的專用細分控制電路和功能強大的80c196kc單片機來組建系統構架,設計了單片機最小系統、多功能i o介面電路、繼電器切換電路、鍵盤顯示電路和多功能數字設定介面電路等,利用該單片機獨有的hso和hsi介面及其強大的指令系統,實現了雙余度混合式步進電動機的余度切換控制、自動定位、零位自動搜索、停機鎖定、數字化頻率設定、自動調頻變速控制、細分方波切換控制,在此基礎上,該系統還設有按預置步運行、 led頻率電壓相電流顯示等功能。The system can simulate the transfer process of photo - thermal and thermal - electric at a given parameter setting of structure, environment and circuit. on the basis of circuit structure, the calibration, parameter adjusting and signal readout can be simulated, the vary process of readout circuit, readout voltage, optical gain, optical gain rate, and uniformity can be given. in addition, all kinds of character parameters of device can be forecasted
本論文根據umbirfpa的原理,建立它的軟體模擬系統,它可以根據給定的結構、環境、電路設置等參數首先模擬光熱、熱電轉換過程,並可根據電路結構,模擬校準、參數調節並讀出信號,給出讀出電流和電壓、光學增益、光學增益比、非均勻性等各特徵量的定量變化過程,預測製成后器件的各種性能參數。Socket function mainly realizes setting up and initializing service unit socket, initializing service unit and service unit serial and so on. bind funcion primarily binds local address and port for the socket. listen function is to evaluate the max length of server ’ s listening queue. connect function and accept function set aside rate ahead, infrom user ’ s request of establishing virtual circuit to suna, cooperate with suna to establish the connection between client and server, return the result. we make use of three handshake with data protocol and virtual circuit mode, in this way, when we translate data, we can look up communication course according to virtual circuit number, at the same time, there aren ’ t source ip address and port, end ip address and port in the head of data package, the speed of translating data advances in a certain extent. send function and recv function is to send data collaborating with suna, and copy data from the receiving queue of socket to user ’ s buffer. close function cooperate
Socket ( )函數實現創建、初始化服務元套接字,初始化服務元及服務元序列等。 bind ( )函數為套接字綁定本地地址和埠號。 connect ( )和accept ( )函數主要是根據用戶要求預留帶寬,將用戶的建立虛電路請求轉達給服務元網路體系,協作服務元網路體系採用捎帶數據的三次握手協議建立虛電路,並告訴用戶處理結果,一方面,捎帶數據的三次握手協議在一定程度上可提高數據傳輸速度;另一方面,採用虛電路方式,使得數據通信可直接根據虛電路號查找相應的通信進程,而且數據包的包頭中省去了源ip地址、埠號和目的ip地址、埠號,提高了數據傳輸速率。分享友人