轉移電壓 的英文怎麼說
中文拼音 [zhuǎnyídiànyā]
轉移電壓
英文
transfer voltage- 轉 : 轉構詞成分。
- 移 : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
- 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...
- 壓 : 壓構詞成分。
- 轉移 : 1 (改換位置) shift; transfer; divert 2 (改變) change; transform 3 [醫學] (擴散) metastasis;...
- 電壓 : voltage; electric tension; electric voltage
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With the aid of baffle movement, a technique named masking pretreatment and the method of vacuum deposition have been used to fabricate the ag - o - cs photoemissive thin films with internal field - assisted structure for the first time. the internal field - assisted photoemission characteristics of ag - o - cs thin films show that the photoelectric sensitivity is increased when the internal electric field is applied to the thin films, which indicates that the electric field has been effectively provided to the thin films by the above - mentioned internal field - assisted structure. such an enhanced photoemission is attributed to the variations in energy - band structure of ag - o - cs thin films, and which are considered to induce the lower - energy electrons to participate in the photoemission
通過掩膜預處理和擋板轉移技術的配合,利用真空沉積方法首次制備了內場助結構ag - o - cs光電發射薄膜。 ag - o - cs薄膜內場助光電發射特性測試結果表明,該方法能夠有效地實現ag - o - cs薄膜體內電場的加載與表面電極的引出,薄膜光電靈敏度隨內場偏壓的增大而上升。 ag - o - cs薄膜在內場作用下的光電發射增強現象與薄膜體內能帶結構變化低能電子參與光電發射等物理機制有關。When the thickness increases up to a critical value, about 30 nm, the spotty rheed pattern gradually changes to streaky pattern, and the rheed oscillation curve appears. the rheed pattern of the ultra thin lno film deposited in the relatively high oxygen pressure is streaky pattern. with pumping the oxygen pressure to the relatively low value, the streaky rheed pattern gradually changes to spotty one
我們發現在較低的真空度下,即氧分壓處於2 10 - 4pa和3 10 - 3pa之間, lno晶格中的一個o2 -將會轉移兩個電子給兩個ni3 + ,並且移動到薄膜表面形成o2被泵抽走,從而導致鈣鈦礦結構的垮塌,其相應的rheed圖樣呈現出清晰而明亮的點,表明表面為較為粗糙的三維島狀結構。A model of the interface state density distribution near by valence band is presented, and the dependence of the threshold voltage on temperature, the c - v characteristics and the subthreshold characteristics are predicted exactly with this model ; the effects of s / d series resistance on the output characteristics, transfer characteristics and effective mobility of sic pmosfets are analyzed. thirdly, the output characteristics and the drain breakdown characteristics are modeled with the procedure medici. the output characteristics in the room temperature and 300 ? are simulated, and the effects of gate voltage. contact resistance, interface state and other factors on sic pmos drain breakdown characteristics are analyzed
提出了一個價帶附近的界面態分佈模型,用該模型較好地描述了sicpmos器件閾值電壓隨溫度的變化關系、 c - v特性曲線以及亞閾特性曲線;分析了源漏寄生電阻對sicpmos器件輸出特性、轉移特性以及有效遷移率的影響;論文中用模擬軟體medici模擬了sicpmos器件的輸出特性和漏擊穿特性,分別模擬了室溫下和300時sicpmos器件的輸出特性,分析了柵電壓、接觸電阻、界面態以及其他因素對sicpmos擊穿特性的影響。A novel low mechanical hysteretic ceramic capacitive pressure transducer has been made, by using of ceramic sealing technology ; integrate circuit ( ic ) technology and thick film plane fixing circuit technology. this transducer is made of a deformable ceramic diaphragm and a ceramic base plate, between which has an air cavum. a coaxial gold electrode was fired onto the diaphragm and the base plate
本文利用新型陶瓷技術、集成電路技術和厚膜平面安裝電路技術,採用零力學滯后的陶瓷和陶瓷密封材料進行設計製造了一種非充液乾式的電容式壓力傳感器,該壓力傳感器由較厚的陶瓷基體和較薄的陶瓷膜片構成,中間形成一空氣介質腔,在基座和膜片之間內置同軸的雙電極,組成兩個電容,當膜片承受壓力時發生位移,使電容量產生變化,經後置處理電路直接轉換為可輸出的直流電壓信號。The improved voltage model of rotor flux is proposed in the paper. it eliminates the influence to actual system function in the voltage model of rotor flux for the proper drift problem and cumulative error of pure integral calculus tache
提出了改進的電壓型轉子磁鏈估算模型,消除了電壓型轉子磁鏈估算模型中純積分環節所固有的漂移問題和積累誤差對實際系統性能的影響。Legislator eric li, convenor of the breakfast group and representative of the accounting sector in the legco, warned that the linked exchange rate would be under pressure in the next five years. moreover, the recent rise in the long - dated forwards was a signal of banks hedging their risks on hong kong assets. if the budget deficit continued and the fiscal reserves kept decreasing, the long - term pressure on the hong kong dollar would become short term
早餐派召集人、代表會計界的議員李家祥(見圖)警告,這5年內聯系匯率會有壓力,而最近遠期美電扯高,是銀行把資產轉移以避險的訊號,若果香港財赤繼續,儲備不斷下降未能止血,港元的壓力便會由遠期變成近期,到時不單令信貸評級上升,令投資成本增加外,更令港元成狙擊對象。A trend of photo - induced electron transition from p - type pc to n - type organic semiconductor was strongly supported by the data of sps and fisps measurements, the wire - like configuration of the tio2 tubule nanostructure benefited the electron - transport thereby improved the efficiency of the disassociation of the photogenerated carriers
表面光電壓測試結果表明,復合材料中存在著強烈的從p -型酞菁材料到n -型氧化物半導體材料的光致電荷轉移。而且tio _ 2的納米管和線狀結構提高了電子的傳輸效率最為明顯,使光生電荷的分離得到顯著改善。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證,由實驗測得了三相電流波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。The air thermal cnergy water heater creates the new generation hot water cquipments. it makes use of the negative card promise successfully, drieing a hot pump with the elcctrie power. equiping through a hot pump medium of compesing parts evaporate a machine. hot pump, congealed machine and inflate valve, urge the work quality completes evaporationt absorb calories within air continuously compress compress congealed reduce expenses evaporate of the thermody name energy cirenlation proess, transfer the calories in the environment to the water thus in, transfer the in great quantities free calories in the air to the life to use a water in
空氣節能熱水器是創新一代熱水設備,它成功地運用逆卡諾原理,用電能驅動熱泵,通過熱泵裝置中的構成部件-蒸發器,熱泵,冷凝器和膨脹閥,促使工質不斷完成蒸發(吸收空氣中的熱量)壓縮冷凝節流蒸發的熱力循環過程,從而環境的熱量轉移到水中,將空氣中大量免費的熱量轉移到生活中水中At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder
硬體方面,採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。The bias magnetic field of the bias coil driven by bias current and small signal test current, results in the induced signal of the control coil. the terminal voltage of the control coil is detected by the test circuit. then the signal containing the information of rotor displacement is obtained, from which we can get the dc voltage signal proportional to the rotor displacement through half - wave rectification circuit and low pass circuit. this dc signal is put into a pid controller to get the control signal of the rotor displacement
偏置測試電路向偏置線圈輸入偏置電流和小信號測試電流,兩者產生的偏置磁場在控制線圈產生感應信號,檢測電路檢測控制線圈端電壓並提取含有轉子位移信息的電壓信號,該信號經半波整流電路和低通濾波電路后得到與轉子位移成正比例的直流信號,再由pid控制器轉換為轉子位移的控制信號,最後控制信號輸入功放電路產生控制電流,實現閉環控制。In chapter 2, the mathematical model of two - phase hybrid stepper motor as a generator is established. then according to the model, the functional relationship is obtained between the terminal voltage of stator winding and continuous rotor position
第二章,建立了二相混合式步進電機的發電模型,並進一步簡化得到定子繞組端電壓與轉子轉角之間的函數關系式,為步進電機實現連續角位移測量的研究奠定理論基礎。In order to solve the problems of flux estimation using the voltage model, such as the initial value and the drift of pure integrator, a flux - observer - based method is applied
利用磁通觀測器,可避免用電壓模型推算轉子磁通時遇到的積分運算問題(初始值確定和誤差積累引起的積分漂移) 。The accurate calculation of the input voltage and the compensation for the dc - offset error and the variation of the stator resistance are important factors in practical implementation of the integration since they can cause a drift in the stator flux linkage trajectory and furthermore deteriorate the quality of torque control
因此,輸入電壓的準確計算、直流漂移量的補償以及定子電阻變化的補償都是影響積分計算準確性的重要因素,這些誤差會導致定子磁鏈軌跡的偏移,進而降低系統轉矩控制的性能。Specific issues examined are : compensation for the variation of the stator resistance, the offset error of the dc bus voltage, the voltage error generated by the forward voltage drop the dead time of the switches, improvement of the steady state performance, and the speed sensorless control for the pmsm dtc drive system are of major concern in this thesis
定子電阻變化,直流母線電壓漂移,開關器件反向相電壓降、逆變器死區時間引起的電壓誤差的補償,提高系統穩態運行性能以及永磁同步電機直接轉矩控制的無速度傳感器運行方案等問題都是本文研究的重點。轉矩的快速響應是直接轉矩控制演算法的一個卓越的性能。However, when the applied bias voltage is located within negative slope regions of u - i curve, the superlattice will undergo a very fast dynamic process, changing from one stable state to another stable state. the superlattice exhibits temporal current oscillations in the negative differential conductivity region at fixed d. c
當外加電壓使電流處于正微分電導區變動時,超晶格的高低電場疇之間的疇邊界不發生移動,只是相應的電場強度作些調整;當外加電壓使電流處于負阻區域時,超晶格將經歷一個穩態到另外一個穩態的動力學轉變。The result shows that the unit has remarkable energy saving effect, and it can relieve the pressure of power supply to some extent for its character of energy storage
結果表明,該機組具有明顯的節能效果,並且由於其具有蓄能特性,可以在一定程度上緩解夏季電力供應的壓力,有效轉移高峰負荷。In the regulations kinds, charge pump converters use capacitors to store and transfer energy and can work well for step up without the need for an inductor. therefore, applications that need low or medium power are making charge pump more and more attractive
其中,電荷泵電路採用電荷轉移方式工作,在不需要電感元件情況下可實現一定升壓,因此這類電源管理晶元在中低功率的應用中倍受歡迎。In this paper, using surface photovoltage spectroscopy ( sps ) and field induced surface photovoltage spectroscopy ( fisps ) as a dominated tool, we investigated the surface and interfacial electron structure, charge transfer character of two nanostructured composite system and the effect about atmosphere ( water and oxygen ) on the semiconductor nanoparticles
本論文利用表面光電壓譜( sps )和場誘導表面光電壓譜( fisps )為主要研究手段對兩類納米復合材料的表面和界面電子結構和電荷轉移特性以及空氣中水、氧物種等氣體分子對納米材料表面光伏性質的影響進行了探索性的研究。We studied the mechanism of the visible light - induced domain switching in the lithium niobate crystals, and considered that the main factor is the movement of light - induced carrier, which modified the local electric field in the crystals and then resulted in the reduction of the domain switching voltage
探尋了可見光誘導鈮酸鋰晶體疇反轉的形成機制,認為光誘導晶體疇反轉的主要原因是光激載流子遷移改變了晶體內部的局域電場,造成了晶體極化反轉電壓的降低。分享友人