源極電源信源 的英文怎麼說

中文拼音 [yuánjídiànyuánxìnyuán]
源極電源信源 英文
source
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 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...
  • 電源 : source; current source; electric source; power pack; power supply; power source; source of power ...
  • 信源 : informatio ource
  1. The methods that can efficiently suppress the disturbance on gate of switching component of the inverter - bridge are synthesized. a dual - inductor output filter is employed to improve electromagnetic interference ( emi ), due to turn - on or turn - off of the power switches of the inverter, which may be lead loads into trouble

    本文詳細論述了1kva25hz新型鐵路信號電源和2kva高頻在線式ups的設計和調試工作，總結了幾種能夠有效抑制逆變橋功率開關管門極干擾的措施，並且運用一種雙電感結構的輸出濾波器來改善由逆變器功率管在開關過程中產生的、影響負載設備正常工作的電磁干擾。
  2. In the early electric market in china, in order to encourage the power plant to supply reactive power and maintain the safe and stable operation of power system as well as give proper pricing signal of reactive power, the old method in which only active power is charged and reactive power is free must be changed

    為調動發電廠參與無功輔助服務的積極性，確保系統安全穩定運行，並給無功電源建設以正確的價格信號，根據發電廠無功輔助服務成本分析和我國初級電力市場的狀況，討論了一種無功容量電價加無功電量電價的二部制無功輔助服務補償電價。
  3. To avail ourselves to good use of the advantaged position, expansive resource, flexible information, competitive price perfect service, we have developed a long - term relationship with the electronic components manufacturer come from europe, japan usa, being as a dealer for integrate circuit, diodes, audions and different kinds of semiconductor accessories. the main brands of our products are : ess, sunplus, sony, sanyo, samsung, philips ect. widely ues in the cd, vcd, dvd, tv and the martial and the industry domain

    地處亞歐美的各種中心樞紐，進貨渠道廣闊，電子信息靈活產品價格源頭品種全供貨快捷等優勢，多年來與歐日美最優質的電子元件生產廠家建立一種長期良好的合作關系，代理代銷多種品牌的集成電路ic二三極體等各種半導體元件，香港英之傑電子公司電話：
  4. Small signal jfets work very well as low - leakage diodes by connecting drain & source together in log current - to - voltage converters and low leakage input protection

    在對數電流-電壓轉換器和低漏電流輸入保護電路中，通過連接小信號jfets的漏極和源極，可以使之作為低漏電流二極體很好的使用。
  5. For low distortion, the drains ( or collectors ) of a differential amp " s front - end should be bootstrapped to the source ( or emitter ) so that the voltages on the part are not modulated by the input signal

    為了得到低失真，差分放大器前端的漏極（或集電極）應該被引導到源極（或射極） ，這樣埠電壓就不會被輸入信號調制了。
  6. But, with the development, it can ’ t meet the need of modern manufacture more and more. as a result, handhold digital storage oscilloscope is studied. handhold dso is an important genre of digital storage oscilloscope, it ’ s outstanding feature include small form, use battery instead of ac supply for power, and include the whole function of dso while implementing the basic function of multimeter. handhold dso can measure wave range automatic, analyze wave use cursor, measure resistance 、 diode and short circuit if choice digital multimeter

    手持式數字存儲示波器是數字示波器的一個分支，它具有體積小、重量輕、便於攜帶、電池供電、無須外接交流電源等優點，它集數字萬用表（ dmm ） 、數字存儲示波器於一體，可自動對信號進行幅度的測量，也可用光標對波形進行分析，同時還可以通過菜單選擇來實現對電阻、二極體以及電路通斷的測試;可以選擇觸發通道和觸發模式。
  7. According to the test conditions, the double polarity inputting mode is adopted in the circuit of voltage - frequency converting part ; storage batteries are used in the optical emission part of optical fibre isolating and transmitting device, that can guarantee isolation between the main circuit and the testing system ; the 89c51 singlechip is used in the singlechip testing - controlling unit, the peripheral circuits are extended, data are transmitted through the serial port in this part ; the p opular software delphi5. 0 is used in the pc part, the communication between singlechip and pc by serial port, plotting of current wave, regulation of data ; the optical - electrical isolating and triggering are used in the controlling part, this can guarantee the veracity and reliability of breakers triggered, this triggering mode is also used in the triggering of the main closing breaker, the tested breaker and the assistant breaker, the triggering signals are sent out by a singlechip

    壓頻轉換部分電路中根據實際情況採用了雙極性輸入方式；光纖隔離傳輸裝置的光發射部分電源採用了蓄電池供電，確保了主迴路與測試迴路的完全隔離；單片機測控部分採用了89c51單片機，擴充了外圍電路，通過串口向pc機傳送數據； pc機與單片機之間的串口通訊、波形繪制、數據管理等都採用了軟體delphi5 . 0編寫。該測試系統中預留了輸出口，可以對合成迴路中的主合閘開關、被試開關、輔助開關進行觸發，信號由單片機發出，控制部分採用了光電耦合隔離觸發的方法。軟體設計主要集中在對電流信號的數據採集、數據處理、數據傳送、人機界面、波形繪制和數據管理，軟體部分又可分為單片機和pc機程序設計兩大部分。
  8. When the signal source of an op - amp contains an energizing voltage which is much higher than the op - amp supply it is common to use a diode and a current limiting resistor to protect the op - amp in the event of a sensor short - circuit

    為了防止信號源竄入高壓損壞放大器，常見的做法是在放大器輸入端到放大器電源間串接一個二極體，並且在放大器輸入端串接一個限流電阻。
  9. Usually series mode is used in low frequency circuit while bypass mode is used in high frequency circuit, series mode micro - switch with cantilever structure is similar to an fet, when voltage is applied on gate, and the fet will be turned on between source and drain

    有靜電電壓作用在梁和底面電極時，梁發生偏轉，在源極和漏極之間實現導通，常用於自控和通信系統的信號通路空氣橋旁路開關主要用於微波段信號的通路。
  10. It lays emphasis on constructing such industrial bases as automobiles, petrochemicals, shipbuilding and paper making, actively develops such new industries as bio - technology, new medicine, new materials and new energy, rejuvenates equipment manufacturing industry and speeds up the development of modern service industry. guangdong has already seen the formation of nine pillar industries including electronic information, electric appliances & machinery, petrol chemistry, automobile, pharmaceuticals, paper making, textile and garments, building materials

    當前，廣東正大力推動產業結構調整，加快以信息技術為重點的高新技術產業發展，重點規劃建設汽車、石化、造船、造紙等產業基地，積極發展生物技術、新醫藥、新材料、新能源等新興產業，振興裝備製造業，加快發展現代服務業。廣東已形成電子信息、電器機械、石油化工、汽車、醫藥、造紙、紡織服裝、建築材料等九大工業產業， 2004年完成增加值5043億元。
  11. The lower supply also makes the dynamic range of signal reduced. this requires the op - amp a rail - to - rail input and output stage

    電源電壓的降低也使得信號的動態范圍極大減小，這就要求運算放大器能做到輸入軌對軌和輸出軌對軌。
  12. It is the important sign of achieving modern logistics management that establishing center of distribution, applying sum distribution and setting up idea electronic logistics information system including electronic commerce net. it is also the goal of the task of logistics management of gas corporation in the future. meanwhile we should actively research the feasibility and method by which we can put erp ( enterprise resources plan ) and scm ( supply chain management ) into practice

    建立配送中心，實施全額配送以及建立包含電子商務網站的理想的物流電子信息系統都是實現物流管理現代化的重要標志，也是燃氣集團物資管理工作今後的方向，同時也要積極研究推行erp （企業資源計劃）和scm （供應鏈管理）的可行性和方法。
  13. The terminal consists of the active electrodes for ecg, central unit and the unit for tele - communication mainly

    整個終端主要包括有源心電電極、微型低功耗中心處理單元以及遠程通信單元。
  14. According to the following design theory : the dsp calculates in real time and produces three phases spwm waves to control the on or off of the 6 igbts in ipm respectively. ipm then inverts the commutated single phase direct current ( insulated gate bipolar transistor ) into three phases alternating current. when modulated signals of spwm are changed, the on - off time of switches also changes, so as to the voltage and frequency of output signals

    本文提出了一種基於dsp （數字信號處理器tms320f240 ）的通用的三相間接變頻電源系統，利用分段同步調製法和混合查表法，實時計算不同頻率下的采樣周期、電壓幅值、輸出脈寬，產生雙極性spwm波形，經驅動放大後用于ipm （ intelligentpowermodule ）中的絕緣柵雙極型晶體管柵級驅動，以控制電源的輸出電壓和頻率，實現變頻電源的智能數字控制。
  15. Unique power supply modules designed by combining semiconductor device technologies with power supply circuit know - how provide highly functional and unique solutions for applications in information and communication equipment

    電源技術電源迴路技術融合情報通信機器分野向極高機能提供。
  16. The u21 programme in global issues adds yet another dimension to this internationalization strategy. it enables students who cannot presently go on exchange to work collaboratively with their peers from around the world through the internet. they can give their own perspective on these global problems, and try in the process to understand the views and perspectives of others

    U21環球議題課程配合了港大全球化政策，為修讀的學生提供了全天候的學習教材支援，大量地使用網際網路極其豐富的電子信息資源、討論板、聊天室，隨時與全球各地的學生溝通和聯系。
  17. Gold contacts and good to use in audio signal, power and speaker connecting

    鍍金接點是極佳的音響信號，電源及喇叭的連接頭
  18. Power supply of communication plays an important role in communication service

    通信電源在通信工作中佔有極為重要的地位。
  19. The mixed control chip sg3525a combined with hardware pi controller generates the high - frequency pwm pulse for the first inverter. the digital control block tms320lf2407a mainly provides current preset for constant - current source through the outer filter, pwm pulse for the second inverter and drive signal for the high - frequency pulse power supply

    其中變極性電源的一次逆變pwm信號由pwm發生晶元sg3525a ，配以外部硬體電路pi調節器產生;一次逆變閉環控制迴路的電流給定（配以外部濾波） 、二次逆變pwm驅動以及高頻脈沖電源的控制則由tms320lf2407a數字控制器實現。
  20. They also supply the sensor with the power required and with aid of additional facilities such as limit contacts and analog output, provide information on the status of the process being monitored

    它也為傳感器提供電源。在附加部件，如極限接點和模擬輸出的幫助下，它能提供監控過程的狀態信息。
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