非穩定電路 的英文怎麼說

中文拼音 [fēiwěndìngdiàn]
非穩定電路 英文
astable circuit
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : 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...
  • : 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...
  • 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
  • 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox

    本論文中,首先介紹模數轉換器的各種參數的意義,以及一階sigma - delta調制器和高階sigma - delta調制器的原理;給出解決高階單環sigma - delta調制器不性的方案,引入級聯結構調制器,特別針對級聯結構調制器中的失配和開關容積分器的理想特性進行詳細的討論;本設計的sigma - delta調制器採用2 - 1級聯結構和一位量化器,調制器採用全差分開關實現;同時對整個調制器的各個模塊進行了設計,包括跨導放大器、開關容積分器、量化器、兩相交疊時鐘等,並利用hspice和spectre模擬工具對這些進行模擬測試;最後,利用matlab軟體和simulink工具對整個級聯調制器進行行為級模擬。
  2. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型站鍋爐燃燒系統參數時變、嚴重線性、干擾因素復雜、耦合嚴重、模型不易確的特點,提出多變量協調控制方案,解決了系統可控性差,難以實現自動運行的問題;在此基礎上,改變以往以煙氣含氧量控制送風的傳統模式,針對國產站鍋爐設備主體及一、二次送風迴泄露嚴重,煤種混雜、成分不、燃燒發熱值低、燃燒效率不高等問題,應用智能控制理論中的模糊控制技術,結合自尋最優控制的思想,設計了一種模糊自尋優控制器,應用在站鍋爐送風控制系統上,並闡述了動靜態兩種實現途徑,通過在線優化風煤配比,實現最佳經濟燃燒,切實保障了鍋爐的經濟運行。
  3. Based on differential geometric theory, a novel nonlinear modulation strategy for multi - iii infeed hvdc systems to enhance the transient stability of ac system in the presence of large disturbances is presented in this paper

    針對大擾動情形,提出了一種用於改善多機交直流混合力系統(有多條直流線落點于其中)暫態性的線性調制策略。
  4. A stable flying capacitor voltage must be maintained to facilitate the operation of the chopper

    在斬波的工作過程中,的浮動壓是常重要的。
  5. After a simulated sample is given, we compute on this sample coupling analysis and steady non - linear analysis. by contrast with the experimental outcome of short circuit, we make certain that steady non - linear analysis should be used to analyze a true model. and then, we confirm the external conditions of finite element heat analysis after analyzing the cooling ways of multiple magnetic circuit transformers

    2 、論述了有限元分析的磁場和溫度場的理論基礎;製造出模擬樣機,分別用耦合場分析法和線性分析法對其進行計算,計算結果與其短實驗結果進行對比,驗證了線性分析法計算結果的可信性;分析多磁變壓器的冷卻方式,確有限元熱分析的外部條件。
  6. In this circuit, reference current sources are used to charge and discharge capacitors. this oscillator ’ s output is very ideal through control circuit under 5. 7v reference voltage, and oscillator ’ s frequency and duty - cycle could be adjusted if reference current source or capacitors in the circuit was adjusted. and the changes of temperature and voltage affect stabilize of the frequency little

    利用系統內部基準源產生的流信號來對容進行充放,然後經過控制作用后,產生的輸出振蕩波形的上升時間和下降時間常小,更接近理想矩形波形;通過調節基準源流信號或者容值大小,可調節振蕩波形的頻率和占空比,同時溫度和壓的變化對振蕩器輸出波形頻率度的影響很小。
  7. A major limitation of piezoceramic actuators is their lack of accuracy due to the hysteresis nonlinearity which can result in the degradation of system performance and even lead to instability

    摘要由於壓陶瓷執行器固有的遲滯線性會影響系統的控制精度,甚至能導致系統不,基於神經網建立一個遲滯線性的智能模型。
  8. In addition, based sensor thermal drift and nonlinearity principle, this paper has designed intelligent sensor hardware circuit and edited a c51 program. the circuit with micro - process is simple and cheap, though the result has still a little error

    本論文根據壓力傳感器零點補償與線性補償原理,設計出了測量壓力傳感器的硬體及c51軟體編程,應用單片機技術測量簡單,成本低,應用面廣,但是由於自身的性其測量結果仍存在誤差。
  9. With the development of electronic technology, more and more coupled systems of electricity - magnetism - mechanism are used widely. these coupled systems have abundant non - linear dynamics phenomena. in order to improve stability and security of operation of these systems, we ought to study these systems in detail

    隨著子技術的發展,大量的、磁、機械耦合系統得到廣泛應用,這類機耦合系統存在著豐富的線性動力學現象,對其進行深入地研究,掌握系統中子系統和機械子系統及全系統的動力學規律,可以提高系統運行的性及安全性。
  10. Based on the analysis of the transient and stable features of fault information on line in single carrier power supply with ineffective grounding neutral, this paper puts forward a new method for fault location in small current power system called " gradual identifying law "

    本文針對這一問題,在深入研究了中性點有效接地單端供系統發生單相接地故障后線上的各處故障信息的暫態特性和態特性的基礎上,提出了一種新的小流接地系統單相接地故障位方法- 「遞進信息法」 。
  11. That the common amplifier count rate is low, temperature voltage drift is very good, the machinery adjustment is rough and instability, in order to overcome these shortcomings ; we use digital potentiometer relay x9511 and precise operational amplifier op37, the electric circuit structure become simple

    為了克服一般放大器計數率低,溫漂大,機械調節粗糙不夠等缺點,使用了易失性數字位器x9511和精密運放op37 ,使結構大大簡化。
  12. The architecture is simple, with high respond speed, high stability and adopts very advanced charging termination methods such as - v, max voltage, max temptature and temptature change rate so its reliability and safety are very high

    結構簡單,響應速度快,有很高的性,採用了常完善的充中止方法,如- v終止,最高壓,最高溫度和溫度變化率等,使得該具有相當高的可靠性和安全性。
  13. Diffusion / oxidation furnace is a kind of very important equipment which is used in semiconductor process production line. it is applied in the manufacture process of the discrete semiconductor devices and integrated circuit which have diffusion, oxidation, annealing and alloying processing. it is also used in special temperature treatment of other material and is an auto - equipment which has the command of long time working, high precision and high stability

    擴散/氧化爐是半導體工藝生產線上常重要的一種工藝設備,用於分立半導體器件、集成製造過程中各種擴散、氧化、退火及合金工藝,也適用於對其他材料的特殊溫度處理,是一種要求能長時間連續工作、高精度、高性的自動控制設備。
  14. A non - linear feed - forward loop is used to realize the coordinated control between the two controlled variables at the two control ends at first. secondly, a constant ac voltage control is implemented for a short period after the ac fault removal. finally, a staggered recovery strategy for different hvdc subsystems is also adopted, with the restart time interval of them optimized using the steepest descent gradient search method

    該協調恢復策略的三個特點是:在常規的控制器結構中加入一個基於準態工作點的線性前饋迴;在交流故障被切除后的一個短暫時間內,逆變側採用交流壓控制:對不同的直流輸子系統採取一種漸進的恢復策略。
  15. With the 300mw turbo - generator as an example, the effects of saturation on operational characteristics and the stator and rotor ' s practical dimensions and configuration on the saturated characteristics have been studied ; some work on the grid division strategy considering the practical dimensions and configuration and the precision of the nonlinear finite element equation also has been studied. then the program for calculating and analyzing turbo - generaors " steady characteristics has been compiled and devised

    本文在系統地研究了汽輪發機運行特性(飽和特性、短特性、零功率因數負載特性和u形曲線) 、線性有限元方程計算精度、轉子實際結構對飽和特性的影響及計及轉子實際結構時的剖分策略等問題之後,進一步研究開發了適于不同型號汽輪發態分析的通用性有限元軟體。
  16. 6. the theoretics of flip - flop anomalous property is perfected, and the oscillatory state of flip - flop is analyzed and the oscillatory frequency calculating equator is provided ; the self - adapting data synchronizer practical circuit with 0 error rate is designed, which can be used to resolve the problem of data synchronizing. the data synchronizer in common use is realized

    6 、對觸發器的不確性理論作了改進,討論了觸發器的態過程,給出了一些計算觸發器振蕩頻率的公式,設計了自適應數據同步器實現,理論誤碼率為0 ,為解決數據同步問題提供了新思,實現了常用數據同步器。
  17. In this paper, several typical roics, roic noise and processing techniques are analyzed systematically in theory, and the computer simulated experiments are done. in the third chapter, many performances are analyzed on typical cmos roic theoretically in detail, such as the non - uniformity, injection efficiency, bias steadiness, frequency characteristic and threshold - voltage non - uniformity

    本文第三章首先對典型致冷型cmos讀出均勻性、注入效率、偏置性、注入流的頻率特性以及閾值均勻性等問題進行了較為全面的理論分析和計算機模擬實驗研究。
  18. As the important part of relay protection devices, the high - voltage transmission line auto - reclosing function acts as the crucial role in ensuring system safety, stability and economical running

    高壓輸自動重合閘功能作為力系統繼保護裝置保護功能的重要組成部分,它在保證系統安全、和經濟運行等方面起著常重要的作用。
分享友人