求值電路 的英文怎麼說

中文拼音 [qiúzhídiàn]
求值電路 英文
evaluation circuit
  • : Ⅰ動詞1 (請求; 要求) ask; beg; request; entreat; beseech : 求人幫忙 ask sb a favour; ask a favou...
  • : 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...
  • 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. Both theoretical proof and numerical experiments indicate that this algorithm is convergent and effective for solving large - scale semidefinite programming. in the following section, we work over the bisection problems

    實驗與理論分析均表明該演算法適用於解大規模問題,且具有良好的收斂性;其次,研究了二等分問題。
  2. Although many achievements have been acquired in oled structure material, production technology, drive methods, oled technology is just at the beginning, oled has given an equal chance for every company and country, and it is very important for our country to develop displaying technology of our own. the research direction of oled is managing to improve the device lifetime, at the same time found a perfect production technological flow and the global standard production mode. it is still a arduous mission that we want to live up to a batch production of oled displays in the future some years. active matrix organic light emitting diode ( am - oled ) adopts a circuit structure based on matrix addressing, and its driving circuit includes pixel driving circuit and peripheral driving circuit

    在文中,首先,分析和研究了有源oled的像素驅動,闡述了amoled顯示屏及其周邊驅動的結構和原理;其次,提出了qvga解析度的有源oled顯示屏列極數據引線的分塊( block )方法,確定屏上驅動所需要的控制信號之間時序關系和幅;最後,以fpga控制器的設計為核心,對外圍控制ic進行了具體設計,建立控制器模塊模型和演算法流程,通過quartus軟體對其內部的各個模塊進行綜合設計和模擬,得到了正確的模擬波形,完成了解析度為qvga ( 320 3 240 )的amoled專用驅動的設計。
  3. In this dissertation, we firstly prove that any dirichlet problem is indeed equal to a voltages problem of networks. we give five solutions to dirichlet problem in two dimensions ; among these five solutions, we prove that the iteration solution and the solution of relaxations are exponential convergence, then we estimate their respective convergence rates ; secondly, we discuss random walks on general networks, prove that there is an one to one correspondence between networks and reversible ergodic markov chains ; thirdly, we give probabilistic interpretation of voltages for general networks : when a unit voltage is applied between a and b, making va = 1 and vb = 0, the voltage vx at any point x represents the probability that a walker starting from x will return to a before reaching b ; furthermore, we study the relationship between effective resistance and escape probability : starting at a, the probability that the walk reaches b before returning to a is the ratio of the effective conductance and the total conductance

    本文證明了任何邊的dirichlet問題都可轉化為壓的問題:給出了計算平面格點上dirichlet問題的5種方法:證明了迭代法和松馳法都是指數收斂的,並分別給出收斂速度的估計;討論了一般上的隨機徘徊,驗證了與可逆的遍歷markov鏈是一一對應的;給出了壓的概率解釋:當把1伏壓加於a , b兩端,使得v _ a = 1 , v _ b = 0時,則x點的壓v _ x表示對應的markov鏈中,從x出發,到達b之前到達a的概率;進一步地,給出了逃離概率與有效阻之間的關系:從a出發,在到達b之前到達a的概率為有效傳導率與通過a的總傳導率之比。
  4. Finally, the method of estimating power customer emission level based on binary linear regression is put forward, which make it a condition that harmonic emission is steady at the point of common coupling. combined with power system thevenin equivalent and customer norton equivalent, according to the principle of least squares method, the voltage that a customer ' s harmonic current begets at the point of common coupling can be estimated in the light of the plural correlation of network parameters

    最後,提出了基於二元線性回歸的用戶諧波發射水平估計方法,該方法在假設公共聯接點諧波發射穩定的情況下,結合系統側戴維南等與用戶側諾頓等圖,按照最小二乘法原理,利用網各參數的復數關系推導關于系統側諧波阻抗的二元線性回歸方程,並根據諧波阻抗的估計取用戶諧波流在公共聯四川大學碩士學位論文( 2003 )接點產生的壓降。
  5. 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拓撲;根據adc系統所允許的參考壓最大波動限制,在回饋噪聲對輸入參考平的影響和功耗之間折衷,確定優化的參考阻串阻;根據不同級精度的編碼要,設計出時鐘控制編碼
  6. Basing on other researchers ’ work, this paper has put forward a novel type of icc ( induced current cancellation ) shielding layer for rfic / mmic performance improvement, to reduce high frequency loss, increase q value, and expand its application frequency range. and present how to realize rfic / mmic components such as i / o pad, inductors, baluns and so on by applying icc shielding layer structures. furthermore co - design methods of ic component structure and foundry process structure designs has been presented in this thesis

    在無線通信技術對cmos射頻/微波集成的大背景下,本論文提出了用於高頻集成( rfic / mmic )器件的各類新型icc ( inducedcurrentcancellation ,感應流相消)屏蔽工藝結構,由此設計製造的ic部件解決了傳統半導體工藝無法實現射頻/微波集成的難題,以達到降低高頻集成器件的高頻損耗,提高器件q以及擴寬器件應用頻帶的目的。
  7. Low - voltage power circuit breakers and ac power circuit protectors, preferred ratings, related requirements and application recommendations for

    低壓力斷器和交流保護器的優選額定相關要和應用建議
  8. In this paper, they are set forth at first that the kinds of computer - simulation of electronic devices, the development and the requirements of mosfet ' s model and the way of gain the models " parameters, the dc models have been bui it in chapter 2 and the models of big signals have been deduced in chapter 3, they are different from the equivalent circuit models in the traditional software pspice that they come from the numer i ca i - s i mu i at i on wh i ch is based on the essence equat i on, so the precision of simulation is enhanced ? mosfet ' s small signal models of low frequency, intermediate frequency and high frequency have been built in chapter 4 and chapter 5, although the equivalent circuit models in pspice are used for reference to bui id them, they have their own characteristics which are analyzed at a i i kinds of situations, so that the simulation software for mosfet can be written according them and it i s a i so benef i c i a i for us to catch the gen i us character i st i cs of mosfet and to d esign all kinds of applicable devices the correctness of the models is simply proved in chapter 6

    本文首先介紹了子器件計算機模擬的分類、 mosfet的建模發展動態、對器件模型的要以及模型參數的提取方法。在第二章中建立了mos晶體管在直流端壓條件下的工作模型;第三章推導了mosfet的大信號模型,這兩類模型不同於傳統模擬軟體例如pspice中的等效模型,而是從模型方程出發,採用數模擬的方法,提高了模擬的精度。第四章和第五章分別建立了mos晶體管低頻、中頻、高頻的小信號模型,雖然借鑒了pspice模擬軟體中用等效模型的方法,但是本文分別討論了準靜態和非準靜態時器件的本徵部分以及包含非本徵部分工作于低頻、中頻和高頻條件時的模型,可以根據這些模型編寫相應的模擬軟體,這樣在做器件的模擬分析與器件設計的時候,就可以利用模擬軟體逐步深入地分析器件在不同的條件下和器件的不同部分在工作時的各種小信號特性,有利於抓住器件工作的本質特性,設計出符合要的各類通用和特殊器件。
  9. Highlink believes it ' s a small world when there ' re friends around, we ' d like to be the bridge between you and your customers by providing voice & data services, internet access, enterprise virtual private network ( vpn ), e - commerce, enterprise telecommunications integration, telecommunications project design / construction and building / residential telecommunications facilities, and customized value - added telecommunication services

    海鄰訊以「海內存知己,天涯若比鄰」為服務理念,為客戶提供語音/數據專線、網際網接入、企業虛擬專用網( vpn ) 、子商務、企業通信整合、通信項目的設計/施工及樓宇/住宅通信配套,並根據客戶需提供定製化的增信服務,輔助客戶通過海鄰訊搭建的通信橋梁,溝通無限。
  10. In the condition of lab, for the device of power supply that based on special ct, the experimental results showed that the circuit of power supplies can supply thepower above 400mw for the high potential circuit of ect when the current in linechangefrom6ato900a. thedeviceissomepracticality

    設計製作的小ct供裝置,實驗室條件下的實驗結果表明,採用小ct在線供方案在線流從6a到900a的范圍內變化時,能為高壓側提供不少於400mw的功率,基本滿足設計的要,具有一定的實用價
  11. Abstract : the principle of electro - differential - constant temperature detector ( edctd ) is summarized. a calculation method for selecting resistance value in the measurement circuit based on the sensitivity requirement is proposed. theoretical analysis and experimental result for the method are also given. the proposed method can be applied to production and calibration of edctd, providing guideline in determining the resistance parameters

    文摘:介紹了子差定溫式火災探測器的工作原理,提出了根據不同靈敏度要選取中各阻阻的方法,並從理論和實驗兩方面加以分析和論證,消除了阻參數選擇的盲目性,為生產、檢測差定溫式探測器提供了理論依據。
  12. Based on iec standards, the methods of designing square demodulator, bandpass - weighted filter, and smoothing filter are presented. besides, the signal conditioning circuits and online statistical analysis methods of instantaneous flicker value are given. matlab simulink is also used to simulate the measuring process of voltage fluctuation and flcker

    基於iec標準要,設計了實現數字式壓閃變測量的平方解調器、帶通加權濾波器、平滑濾波器等各環節,給出了信號調理和瞬時閃變在線統計分析方法,並應用matlab系統模擬工具simulink對壓波動和閃變測量全過程進行了數字化模擬。
  13. And it is commonly regarded as fault - free when the comparative deviation of component parameters are within 5 % of the nominal value, while in practical operations the allowance range could be set flexibly according to different requirements for the circuit performance

    通常認為元件參數的相對偏差絕對在標稱的5 %范圍內為無故障,但實際上元件的容差是可以根據對性能的不同要而靈活設定的。
  14. In the course of design, we fully consider the actual conditions on the railway and take a series of corresponding measures to the concrete problem. such as we select high - accuracy microconvertor and have the converted function in succession data collecting system chip aduc812, design v / f circuit and external a / d circuit. in anti - interference of the hardware, we try to disperse each function module to avoid interfering each other, adopt photoelectric isolated technology to dispel the circuit connection of input and output. in controlling we import arithmetic mean into strain wave algorithm and real computing technology of virtual value for sample treatment of data, that is using the software to smooth away interfere error and to calculate actual value, thus it makes the precision of the data improve greatly

    在設計過程中,根據系統要,充分考慮鐵上的實際情況,針對具體問題採取了一系列的相應措施,如在器件選擇方面選用高精度microconvertor系列、具有adcdma連續轉換功能的數據採集微控制器晶元aduc812 ,設計了v f變換和外部a d轉換;在硬體抗干擾方面,將每個功能模塊盡量分散獨立開來以避免相互干擾、採用光隔離技術消除輸入輸出通道上的聯系;在控制方面對于采樣數據的處理引入了算術平均濾波演算法和真有效的計算方法,即通過使用軟體來濾除系統中有干擾造成的誤差並計算真,從而使數據的準確性得到極大地提高。
  15. In conventional cmos charge pump circuits, the pumping high voltage is limited by mos threshold voltage, so that it can not use less cascade stages to pull up a high voltage which we want to generate

    在傳統的cmos荷泵中,荷泵輸出的壓受mos管的閾壓限制,所以當要荷泵的輸出壓較高時,則不得不連很多階來達到要
  16. The electronics industry is hong kong s largest export earner. in 2003 the total exports of electronics products has increased by 20 % over the previous year to $ 732 billion. there has been an increasing demand of ic chips from hong kong manufacturers

    二零零三年,香港子產品的整體出口貨比二零零二年增加了20 % ,達7 , 320億元,而香港製造商對集成晶元的需亦不斷上升。
  17. A fem software as an important tool, work has been done as follows : the method using fem to design anomalous structure of transducers was adopted ; the vibration modes of the elastic pipe, ultrasonic transducers and system has been analyzed in piezoelectric coupled field. resonant frequencies of the transducers have been matched quite well with resonant frequencies of pipe, which can make it easy and accurate to design a transducer. the values of equivalent dynamic capacitors and dynamic inductances of ahead nine orders have been gotten derived by fem method, and fem equivalent circuit of the transducers has been built

    以ansys有限元軟體為主要分析工具完成了設計工作;在經典換能器設計理論和前人經驗的基礎上,對不規則形狀的換能器採用了有限元的方法設計;在耦合場中分析了換能器、導管及整體裝置的振動情況,使換能器的諧振頻率與導管的諧振頻率達到了較好的匹配,使設計變得更加容易和準確;利用有限元方法建立了振子的等效模型,出了其前6階模態的等效動態,為阻抗匹配和驅動的設計提供了依據。
  18. 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技術來提高數字的集成度,將原模塊中的所有數字全部集成在fpga晶元中,這樣不僅能節約成本,還能提高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平,該比較能夠根據實際需進行設置,能增強模塊的使用靈活性。
  19. The artificial neural network ( ann ) method, which can be used to approach non - linear function with many input / output parameters, is originally used to estimate the discharge capacity of mh / ni batteries when changing the discharge current and voltage. the satisfactory result has been obtained from comparison of simulation results

    並對鎳氫蓄池soc的預測進行了模擬,結果表明,通過該網模型可以方便快速的得到池的soc,所得結果滿足要,為池管理系統提供了一種新的池soc的預測方法。
  20. In chapter 3, the configuration of an operational amplifier is confirmed in base of the characteristic parameter, which is needed firstly, and the probable value of configuration parameter in this circuit is calculated artificially

    第三章根據所要的性能參數確定出運算放大器的結構以及手工算出結構參數的大概。第四章用模擬軟體對第三章設計的運算放大器進行模擬分析,細調設計使之優化。
分享友人