voltage change 中文意思是什麼
voltage change
解釋
電壓變化-
Mems ( micro electromechanical system ) has become one of the most rapidly development technologies. along with the rapid development of mems techniques, capacitive sensor is used widely whose capacitance changes small, which has put forward the new request to the measurement technique. the common measure for capacitance measurement is that convert capacitance to voltage, electric current or frequency. the area of polar plate of the capacitor becomes smaller and smaller, and the total capacitance of micro capacitive sensor is usually several pico farad only. as a result, its change amount is smaller
Mems （ microelectromechanicalsystem ）近年來發展最快的技術之一，隨著mems技術的快速發展，電容式加速度計的電容變化變化量越來越小，對檢測技術提出了新的要求。在電容式傳感器中，常用電容檢測電路是將其轉換為電壓、電流或者頻率信號。目前的微型電容傳感器的極板面積變得越來越小，電容總量只有幾個pf ，變化量就更小。 -
Because of the elements which run under nonideal linearity and unentire symmetry in the power system, the loads which are different and change randomly, the methods which adjust and control the system faultily and operate improperly, the disturbance and the malfunction which happen somewhere, the current and voltage in the supply system are distorted seriously and thus large amount of harmonics are produced
但是，由於電力系統元件運行的非理想線性或非完全對稱、負載的性質各異且隨機變化、調控手段的不完善以及錯誤操作、外來干擾和各種故障的存在，供電網中的電流（電壓）發生畸變，產生大量諧波。 -
In the sub block circuit design, the contents that the author had introduced include : the principle of band gap voltage reference and the design technique in low power supply ; the analysis of spike pulse noise rejection, frequency divider and dead time in oscillator and control circuit ; the selection of the width and length ratio of four switches and 2x / 1x mode change point in driver and mode selection circuits
在子電路設計中，作者比較深入分析的內容有:基準電路的原理及低電源電壓下基準電路的設計;振蕩器和控制電路中尖峰脈沖噪聲抑制、兩分頻電路及死區時間設定;驅動及模式選擇電路中開關管的寬長比的選擇及模式轉換點的設計。 -
When we applied electric field, the the oritation of liquid crystal molecule axis reset. it induced the roate of optic axis. at last, the birefringence will change. this is the voltage - dependent birefringence of liquid
例如當對液晶施加電場時，液晶分子軸的排列會變化，從而引起液晶光軸的轉動，最終導致了液晶雙折射率的變化，這就是我們所說的液晶電控雙折射特性。 -
The device has more advantage than traditional adjustable ac high voltage design. it adopts adjustable method to make adjustable series resonance even easier and the change extend of tested much wider. it is fit to test the majority of electricity system design
該裝置與傳統的調感式交流高電壓裝置相比具有更多優點，採用調頻方法使調節諧振更容易，被試品的變化范圍可以更大，適合大多數電力系統裝置的試驗。 -
The power industry of our country is fast growing, having made the enormous achievement in power construction, installed power - generating capacity and annual generation have already averagly leapt to the second place in the world, regional high voltage, main net shelf of the voltage grade of superelevation that most areas have formed transprovincially, electric short supply state is improved by a certain degree, power industry has supported the fast development of national economy effectively. after the obvious change takes place in the state between supply and demand of electric market, the current electric system exposes some drawbacks not meeting the needs of socialist market economy system. it is obvious to monopolize the systematic defect managed day by day, the market barrier has hindered the forming of the electric market transprovincially between provinces, has hindered the electric power resource from improving the whole competitive power of national economy, the country determines to further deepen the process of the electric system reform
本文運用市場營銷學、電力需求側戰略管理的相關理論，從對電力需求側管理與營銷現狀、存在問題和特徵的了解入手，通過對電力市場宏觀環境和電力市場主體的分析，對電力需求側管理與營銷目標市場進行細分，確立了電力需求側管理與營銷目標市場並進行定位，進而提出了電力需求側管理與營銷成本領先、市場滲透的戰略選擇，在戰略選擇的基礎上重點對電力市場營銷策略進行了研究，提出了實施營銷戰略和各項策略必備的組織、保障措施，對實施中可能出現的問題進行預測並提出相關對策，從而初步形成一套電力市場營銷體系，以指導供電企業的電力需求側管理與營銷工作，提高增供促銷水平。 -
From the model, we can solve and gain the values and change orders of charging current, charging voltage, discharging current, discharging voltage and inductive current. after that, the electromagnetic fields can be created from two circuits " currents, and their magnetic rector and flux can be simulated from ansys solver
用ansys multiphysics模塊求解出充電電流、充電電壓、放電電流、放電電壓和感應電流以及這些參數隨時間變化的規律：然後利用兩個迴路的電流耦合出電磁場，並模擬出磁矢量、磁通密度。 -
Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results
文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比：電性能相當；波導管結構更加簡單，容易加工，便於安裝.文中給出圓突-矩形波導中主模場，圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣，縫隙電壓相位為同相分佈，輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖，理論與實驗相吻合 -
An analytical mosfet threshold voltage shift model due to radiation in the low - dose range has been developed for circuit simulations. experimental data in the literature shows that the model predictions are in good agreement. it is simple in functional form and hence computationally efficient. it can be used as a basic circuit simulation tool for analysing mosfet exposed to a nuclear environment up to about 1mrad. in accordance with common believe, radiation induced absolute change of threshold voltage was found to be larger in irradiated pmos devices. however, if the radiation sensitivity is defined in the way we did it, the results indicated nmos rather than pmos devices are more sensitive, especially at low doses. this is important from the standpoint of their possible application in dosimetry
該模型物理意義明確，參數提取方便，適合於低輻照總劑量條件下的mos器件與電路的模擬。並進一步討論了mosfet的輻照敏感性。結果表明，盡管pmos較之nmos因輻照引起的閾值電壓漂移的絕對量更大，但從mosfet閾值電壓漂移量的擺幅這一角度來看，在低劑量輻照條件下nmos較之pmos顯得對輻照更為敏感。 -
The devices for detecting phase - to - ground fault in ineffectively grounded systems are seldom functionary at present. based on thousands of experiments in high - voltage laboratory in north china electric power university, the reasons for misjudgment and the effective measures to avoid it are presented in this paper : to change pt connection form to prevent from ill - effects of ferro - resonant overvoltage ; to increase soft measures to resist against interference ; to adopt neural network method to obtain the virtual value of the detect way
依據上千次實驗，我們找到了一些導致選線誤判的影響因素，並提出幾點防止誤判的措施，包括改變pt接線方式，避免鐵磁諧振對選線的影響；通過對故障檢測方式的處理和使用連續判斷技術增強裝置的軟體抗干擾能力；嘗試採用神經網路演算法設定選線方法的有效域等。 -
Thin films of ferroelectric materials can be developed to present very few losses and add no significant weight to the antenna structure. the permittivity of these materials changes with an applied dc voltage ; and this change can be used to control the resonant frequency of an antenna
將鐵電材料應用到天線的設計中，外加直流偏壓可以控制鐵電材料的介電常數，從而控制天線的諧振頻率，這樣就可以製作出可調諧天線。 -
Noise margin refers to the maximum noise voltage that can be added to the generated signal in a digital circuit before an undesirable change is caused in the circuit output
噪聲極限就是指可以加在數字電路的正常信號上，而又不對正常輸出造成危害的最大噪聲。 -
Less than 1 ms for the output voltage to recover within 100 mv of its previous level following any step change in load current
改變大於10 %小於1毫秒輸出電壓至恢復至100 ?毫伏內授權 -
As the experiment results show, multiple reasons led to the offset of oscillating frequency, including diode ’ s nonlinear characteristic, fluctuation of electrical source voltage, traction of load impedance, change of environmental temperature and humidity and the design of circuit
實驗結果表明多種因素引起了振蕩頻率的偏移，包括二極體的非線性、電源電壓的波動、負載的牽引、環境溫度濕度變化以及電路板設計方面的因素等。 -
Abstract : the paper proposes a mathematical model of a / d converter with quantizing error, nonlinearity and differential nonlinearity errors for computer simulation, and based on the model, the errors caused by voltage change, current change and phase change in the power measurement are analyzed by computer simulation for both the asynchronous and quasi - synchronous sampling algorithms
文摘:本文提出了具有量化誤差、非線性誤差和微分非線性誤差的a / d轉換器的數學模型，在該數學模型的基礎上，模擬分析了非同步采樣法、準同步采樣遞推演算法各種情況下的誤差，包括功率測量中電壓線性、電流線性、相位變化誤差及電壓測量的誤差。 -
It has speed detecting motor, the rotating speed is constant, not affected by material viscosity and the voltage change of power supply
帶有測速發電機，轉速恆定，不受物料粘度變化和電壓影響。 -
Duration of a voltage change
電壓變化持續時間 -
Voltage change interval
電壓變化時間間隔 -
Relative voltage change
相對電壓變化 -
( 2 ) the tenability is determined by the birefringence of the liquid crystal, a large birefringence change can be obtained by a small voltage change
2 、其調諧性能決定於所用液晶材料的雙折射率，通常較小的電壓（ 0 . 8 - 4v ）就足以產生較大的雙折射率變化。
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