dynamic capacitance 中文意思是什麼

dynamic capacitance 解釋
動電容
  • dynamic : adj 1 動力的，動力學的；力學（上）的；動（態）的；起動的。2 有力的，有生氣的；能動的；（工作）效...
  • capacitance : n. 【電學】電容；電容器。
  1. Based on sndm technique, a method of local capacitance - voltage characteristic characterization of ferroelectric thin films was proposed. the effect of traps at oxide - semiconductor interface on metal - oxide - semiconductor structure capacitance - voltage curve was discussed, and the influence of coercive field to the capacitance - voltage characteristics of ferroelectric thin films was also discussed. the dynamic switching of ferroelectric domain in ca doping ( pb, la ) tio3 thin film was studied by sndm from the view of electricity

    利用sndm ，從純電學的角度觀察了plct薄膜中的電疇動態反轉過程，由電疇橫向擴張的移動速度的降低，發現了晶界在電疇反轉過程中對疇壁移動的阻擋作用;根據sndm和pfm的在垂直方向上的不同信息敏感深度，得到plct薄膜中電疇反轉過程中電疇是楔形疇;用pfm觀察同一電疇在去掉外加反轉電場后電疇的極化弛豫現象，結果表明空間電荷是發生極化弛豫的主要原因。
  2. The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance

    通過對電機的kron變換和對稱分量變換，建立了系統較精確的數學模型，編制了系統動態及穩態運行的模擬計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究，實驗和模擬結果進行比較，說明實驗和理論較為一致，並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上，對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究，由於減少了低次諧波，改善了系統性能。
  3. Secondly, based on the account of hydraulic dynamic factor ( hydro - capacitance and hydro - inductance ) and the analysis of each component ' s math model, the system ' s math models of three situations are established

    其次，在充分考慮液壓系統的動態因素（液容和液感） ，並對各液壓元器件建模分析的基礎上，分別建立了速閉閘液壓控制系統在泵或蓄能器作用下開啟、關閉閘門過程的數學模型。
  4. Abstract : the underground load characters in yinshan mine were analyzed. based on the technical features of various kinds of reactive compensation devices, it was proposed that low voltage capacitance dynamic compensation mode shall be adopted for compensating reactive power and lowering voltage fluctuation

    文摘:對銀山鉛鋅礦井下負荷性質進行了分析，根據各種無功補償裝置的技術特點，提出採用低壓電容動態補償方式對該礦井下無功進行補償和降低電壓波動。
  5. Analysis and imitation of super - capacitance dynamic startup course

    超級電容起動動態過程分析與建模模擬
  6. Many advantages of the controller are proven by simulation, such as modulating power flow of transmission line and voltage of node, maintaining the voltage stability of capacitance ' s dc side, stabilizing system ' s power - angle character and good dynamic characteristic

    通過簡單系統的暫態模擬表明，該控制器在調節線路潮流和節點電壓、維持直流側電容電壓穩定以及系統的功角穩定方面有良好的效果，而且具有良好的動態品質和調節效果。
  7. The simulated results show that we can improve the sensitivity by setting the optical bias at / 2, reducing the gap of electrode, increasing the overlap integral factor, reducing the insert lose, adopting suitable segmentation number, increasing the electrode length, increasing the optical power, reducing the wavelength and the relative intensity noise and reducing the receive bandwidth ; obtain the wider bandwidth utilizing reducing the electrode length and the capacitance of modulator, segmentation the electrode ; increase the dynamic range using lowering noise, increasing the optical power at the detector and lower optical bias

    通過計算得知，使傳感器相位偏置為/ 2 ，減小電極間距，提高電光重疊因子，減小器件插入損耗，採用合適的分段數，增加電極長度，增大光功率，降低激光的波長，減小相對強度噪聲，減小接收帶寬，對提高靈敏度的效果是非常明顯的。而減小天線長度，降低調制器電容，電極分段，都可以獲取較大的帶寬。降低系統噪聲;增加到達探測器的光功率，採用較低的光學偏置，都可以增大線性動態范圍。
  8. During development db935, the main responsibilities as follows : 1. the db935 ’ s sizes, electrical parameters, interelectrode capacitance and the transmitter dynamic parameters must be same as those of th558 so that it can be applied to replace th558

    在負責db935的研製工作中所做的主要工作如下: 1 、為使研製出的db935發射管能與進口的th558電子管互換使用， db935的外形尺寸、主要電參數、各電極間的電容以及整機動態指標均須與th558一致。
  9. Dynamic power is dominant component of the average power dissipation in cmos circuits. and the value of dynamic power is determined by node capacitance, supply voltage, clock frequency and switching activity of cmos circuits. so most low power designs are achieved by reducing one or more those above parameters

    由於cmos電路的功耗與cmos電路的負載電容，電壓，時鐘頻率及開關活動性有關，因此在低功耗cmos觸發器設計過程中，許多低功耗設計技術都可以歸結到通過減小上面的參數來達到低功耗的目的。
  10. To the object of two - flow, we trace its dynamic character and measure its correlated parameters by eight - electrode capacitance sensors. then turning the dispersed information to the integral information by sufficiently using information of object. the simulation experiment proved that this information fusion arithmetic can recognize the flow type precisely and timely

    針對管道中的兩相流被測對象，利用8極板電容傳感器對其在管道中的動態特性進行追蹤，並測取相關參量，利用信息融合演算法處理所獲得的信息，充分利用傳感器信息資源，將分散的傳感器信息融合成所測流型的整體信息。
  11. Presents the simple but highly reliable on - line detection of ultrasonic transducer clamping capacitance based on the impedance circuit model constructed through the impedance characteristics of the ultrasonic transducer under triple harmonics, and concludes from experimental results that this method can be used to effectively detect the variation of clamping capacitance while the transducer is operating, and the matching inductance can be dynamically regulated according to the results of detection, and dynamic matching can therefore be achieved in the real sense at the end of the transducer to improve the overall performance of the whole system

    為了解決大功率超聲應用的換能器電端匹配問題，分析了超聲波換能器在諧振頻率三次諧波下的阻抗特性，給出了超聲換能器三次諧波下的阻抗電路模型.並根據阻抗電路模型建立了對超聲換能器的夾持電容實現在線檢測簡單、可靠性高的方法，實驗證明該方法有效的.該方法可以在換能器工作過程中隨時檢測夾持電容的變化，根據檢測結果對匹配電感進行動態調整，實現真正意義上的換能器電端的動態匹配，從而大大改善匹配質量，提高系統的工作性能
  12. 2. the control signals couple through the capacitance of the switches to the output, the dynamic error caused by the parasitic gate ? drain feedthrough capacitance is significantly lowered by the use of a reduced voltage swing at the input of the switches

    2 .差分開關的控制信號會通過晶體管的寄生電容耦合到輸出，從而影響dac的動態性能，設計中通過降低控制信號電壓的方法來解決這個問題。
  13. It is researched for the influence of the existing reactive power compensators in sichuan power to system voltage under different disturbances. it is constituted the capacitance and place of installing the dynamic reactive power compensators in sichuan power system

    研究四川電網現有的無功補償裝置在電網發生各種擾動時對電網電壓的影響；研究動態無功補償裝置對提高電網電壓穩定水平的作用；制定動態無功補償裝置在四川電網中的裝設容量和地點。
  14. The research of measuring thickness dynamic technology on single - piece capacitance sensor

    基於單片式電容傳感器的動態測厚技術
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