換能壓電晶體 的英文怎麼說

中文拼音 [huànnéngyādiànjīngtǐ]
換能壓電晶體 英文
transducing piezoid
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 能 : 能名詞（姓氏） a surname
  • 壓 : 壓構詞成分。
  • 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...
  • 晶 : Ⅰ形容詞（光亮） brilliant; glittering Ⅱ名詞1. （水晶） quartz; （rock） crystal 2. （晶體） any crystalline substance
  • 體 : 體構詞成分。
  • 電晶體 : bjt
  1. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分： （ 1 ）電路的總體設計和功能； （ 2 ）硬體設計，包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 （ 3 ）系統軟體設計，包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計； （ 4 ）系統測試。
  2. In the paper, on the basis of research of static state and transient state in the scr and series connection valve circuit, the high voltage scr changing current valve device has been developed for ac - dc - ac high voltage commutatorless motor. the series connection valve circuit has been designed and simulated. the hardware design and software programming of trigger pulse system and monitoring system in the photo - electronic - photo fashion has been completed

    無換向器電動機在火電廠等工礦企業的電機調速節能領域中有十分廣闊的應用前景，本文在對晶閘管元件和串聯閥電路的靜態特性和動態特性研究的基礎上，研製了用於交直交電流型高壓無換向器電動機的高壓晶閘管換流閥裝置，進行了串聯閥電路的設計和模擬，完成了電光電方式的觸發脈沖系統和監測系統硬體設計及軟體編程，並進行了裝置的實驗調試。
  3. The tests of e - o applications by our flux ktp has been realized, the results showed : optical waveguides fabricated by using an ion - exchange process, which have an exchange - ion concentration depth profile and refractive - index profile, is close to a complementary error - function distribution, optical homogeneity and device thermal stability is much better. amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2. 5 % at 1064 nm. high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width, this modulator had run for three years, and the crystal did n ' t blackened, it showed our low conductivity flux ktp can endure high modulation voltage for a very long time

    Ktp晶體的電光應用試驗表明：用離子交換法製作的電光波導，其離子交換濃度、折射率變化符合餘弦誤差函數，光學均勻性以及器件的溫度穩定性較好；製作的強度調制電光開關，消光比為150 ： 1 ，對1064nm激光的插入損耗為2 . 5 ；製作的電光調制器用於激光脈沖整形試驗，從脈沖寬度50ns的激光脈沖削出脈寬1ns的高質量光脈沖，該電光開關經過長達三年多的使用，沒有出現晶體變黑現象，說明本實驗的低電導率ktp晶體能夠耐受長時間的調制電壓。
  4. With the strong dsp as the control unit, the design of main circuit structure is provided, and the control policy for the main circuit loop, the tuning of the triggering angle for thyristor are given

    在具體的系統實現中，變換器主迴路選擇環流控制方式，採用高性能dsp作為模糊控制核心，通過加權平均判決的模糊決策演算法對變換器主迴路晶閘管的觸發角進行調制，從而有效控制輸出電壓波形。
  5. Utilizing the design of external shell, dual axis capacitive accelerometer was succeeded, and the sensitive properties were characterized and analyzed. with the assistance of signal processing circuit consisted of amplifier circuit and filter circuit, the signal from the sensitive chip is converted into the voltage signal that meets the product performance requirement. moreover, we employed micromechanical technique to fabricate the

    後端信號處理電路通過放大電路及濾波電路，將敏感晶元輸出的電壓信號轉換成符合產品性能指標的電壓信號，經過電路模擬及實驗驗證了電路的可行性;利用精密機械加工技術製作的外殼使得傳感器整體化、小型化;對產品實際性能測試和環境試驗后表明，該傳感器主要技術指標滿足設計要求。
  6. The general transfer functions of pwm converter are developed and the small - signal transfer functions controlled by the duty cycle are given using matlab. the voltage adjuster and the current regulator of the control circuit are designed. the isolated cuk converter is analyzed and the features and the description of the uc3854 are presented in detail

    論文分析了帶隔離變壓器的cuk變換電路，介紹了平均電流型功率因數校正晶元uc3854的結構、功能；根據uc3854的具體特點與要求，以設計一個具體、實用的帶pfc功能的開關電源為例，設計、計算了主電路電感l1 、 l2 、 c1 、 c2 、隔離變壓器以及電壓、電流調節器電路的參數及要求。
  7. The pc id has been used in order to analyse the influence of surface recombination on the performance of crystalline silicon solar cell. in different surface concentration, the relation of the surface recombination velocity and the performance ( voc, jsc, g ) of crystalline silicon solar cell is discussed

    採用pc1d就表面復合對太陽電池性能的影響進行理論計算，探討了晶體硅太陽電池不同表面濃度條件下，表面復合速度與太陽電池開路電壓、短路電流以及轉換效率之間的關系。
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