高頻電子技術 的英文怎麼說
中文拼音 [gāobīndiànzijìshù]
高頻電子技術
英文
high-frenquency circuit- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 頻 : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
- 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...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 技 : 名詞(技能; 本領) skill; ability; trick; technique
- 術 : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
- 高頻 : high frequency
- 電子 : [物理學] [電學] electron
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With the development of power electronics technology and devices in recent years, instead of using the industrial frequency transformer to boost voltage, dc / dc high frequency converter achieves the function. the system has higher power density and conversion efficiency, and the size, weight, ac noise of which has been greatly reduced
近年來,隨著電力電子技術與器件的迅速發展,使用dc dc高頻變換技術代替工頻升壓,系統具有較高的功率密度與轉換效率,裝置體積、重量與交流噪聲大大減小。In the thesis, most advanced, relative, foreign high - tech has been pursued. feasibility analysis has n ' t been carried out by synthesizing much relative knowledge such as electromagnetism theory, plasma technology, aerodynamics, electronic technology etc until the scheme is confirmed, that is, a uniform, one atmosphere, controllable, glow - charge surface plasma can be generated and flow can be accelerated by changing electric field
本文追蹤目前國外最先進的技術,綜合電磁理論、等離子體技術、空氣動力學、電子技術等相關知識進行可行性分析,確定了研究方案,即利用電流體力學( ehd )方法在一個大氣壓下產生高效、均勻、可控的射頻輝光等離子體,同時,通過改變電場促使流動加速。This telephone communication system can use the computer network to transmit and switch the data stream for the telephone subscriber in a high speed. in this paper the telephone termination of the telephone communication system which adopts the technic of the computer, electronic and communication is designed
本文提出了利用計算機網路來實現電話用戶音頻數據流的高速傳輸及交換的計算機網路電話通信系統,從而研製了基於計算機技術、電子技術和通信技術的計算機網路電話通信系統的用戶終端。With the development of electronic technology in the field of high - frequency and high - power, power mosfet is gradually enhancing its important status in semiconductor apparatus and is being widely applied in power converters as switch. with the increasing of the operating frequency ( > 200khz ), the energy loss caused by parasitic capacitance will affect the efficiency of power transforming in converters. especially in the applications of high frequency power supply using mosfet as main devices ( the unit of frequency is mhz ), the energy loss caused by the switch process will badly affect its efficiency
隨著電力電子技術進一步向高頻的大功率用電領域發展,功率mosfet在各種電力半導體器件中的重要地位日益顯著,使用功率mosfet作為開關器件的功率轉換電路也日益增多,但隨著器件開關頻率的提高(大於200khz ) ,由器件極間電容引起的能量損耗將會影響到功率轉換電路的能量傳輸效率,特別是在以mosfet作為開關器件的高頻感應加熱電源中(工作頻率可達兆赫) , mosfet在開關過程中的能量損耗嚴重影響到電源的效率,因此如何減小開關器件的損耗提高高頻功率轉換線路的效率成為電力電子技術領域的重要研究課題之一。High frequency switching technique is becoming more popular in the power electronics area, the high frequency power transistors are applied in the buck - boost type chopper system. the characteristics of power mosfet and insulated gate bipolar transistors ( igbt ), some new kinds of power swithing devices, are deeply studied
高頻開關技術是當今電力電子技術發展的方向,本文研究的buck - boost斬波系統中採用了高頻功率器件,所以本文對新型開關器件? ?功率mos場效應管[ mosfet ]和絕緣門極晶體管[ igbt ]的特性進行了初步研究。Magnetics is one of the main factors, which limit the power - density and characteristics of power module. for lowing weight and volume, reducing power loss and ripple current, improving dynamic performance, the magnetic - integration technique has been one of the research populations in power electronics. the thesis researches the magnetic - integration applied to the active - clamp forward converter so as to reduce the ripple current and improve its performance
對于已經大量採用高頻軟開關技術的模塊電源,限制其功率密度進一步提高、性能進一步改善的重要因素之一是磁性元件,而磁集成技術由於具有可以減小磁件體積重量,減少磁件損耗,減小輸出電流脈動,改善輸出動態性能等優點,成為目前電力電子技術的研究熱點之一。Due to restriction with the array aperture transition time, traditional phased array radar works under relative narrow signal bandwidth, so this restricts the application of phased array radar in the field where high performance is demanded. however, optically controlled phased array radar ( ocpar ) adopts the photoelectron technology, counteracts the aperture transition time via the method of optical true time delay ( ottd ), so it can realize wide instantaneous bandwidth and squint - free operation ; meanwhile, it can realize the miniaturization of phased array radar and has super anti - electromagnetism interference capability
而光控相控陣雷達採用光電子技術,通過光實時延遲的方法來抵消孔徑渡越時間,可以實現相控陣雷達的寬帶寬角掃描;同時也可以使得相控陣雷達小型化,並具有強的抗電磁干擾的能力;另外,由於光纖傳輸具有損耗低、頻帶寬等固有優點,採用光纖連接雷達天線和雷達控制中心,可以使兩者的距離較採用同軸電纜有較大的提高,更有利於保護雷達控制中心。With the technique, the new production provide advanced performance, smaller size, and reduced cost in this paper, the present status of motor control techniques, the present status of micro - electronics techniques, and the present status of integrated circuit techniques are reviewed. present some samples of ac motor driver ( dsp motor controllers, microprocessor controllers, motor control 1c controllers ). compare the performances of these ac motor drivers with each other
本文查閱了大量的有關高壓集成電路技術、電子系統裝聯技術、電力電子器件、微電子技術、集成電路技術和交流異步電機變頻調速技術等方面的文獻,研製了三種具有代表性的交流異步電機變頻調速,從技術上論證了小型交流電機變頻調速系統集成化的可行性,對集成化過程中可能遇到幾個主要問題提出了解決方法。High - frenquency electronic technology
高頻電子技術Design and implement of a new high frequency electronic teachnique experiment system
一種新型高頻電子技術實驗系統的設計與實現With the more and more extensive application of power electronics technology, especially with the increasing frequency of main switching device, there have a higher requirement to the power switching diode. the si p - i - n diode have played an important role in these areas so many years
隨著電力電子技術應用的深入,尤其是主開關器件工作頻率的不斷提高,對功率二極體性能提出了更高的要求,多年來硅p - i - n二極體一直在這方面扮演著重要角色。With the quick development of electronic technology, high - stability crystal oscillator is being used more and more widely. especially, temperature - compensated crystal oscillator ( tcxo ) is commonly used in electronic equipments such as communication, navigation, radar, measure instruments etc.
隨著電子技術的飛速發展,頻率高度穩定的晶體振蕩器得到了廣泛的應用,特別是溫度補償晶體振蕩器( tcxo )更是廣泛應用於通信、導航、雷達、測量儀表等電子設備中。With the development of the economy, microelectronic technology. computer technology and the automatic theory are developed rapidly, the ac variable frequency technology has been in a new state. it ' s application is becoming more and more widely
隨著我國經濟的高速發展,微電子技術、計算機技術和自動控制技術也得到了迅速發展,交流變頻調速技術已經進入一個嶄新的時代,其應用越來越廣。With the fast development of computer technology, digital processing technology and microelectronic technology, advantaged video systems are presented continually. this paper has given the basic design principle and architecture of high speed and low dissipation of dac
隨著計算機技術、信號處理技術、微電子技術的快速發展,先進的電子視頻系統不斷涌現,進而推動了高速、低功耗數模轉換器的不斷發展。In these equipments, the motor driver should provide high performance, small size, and low cost. it is a good solution to integrate the motor driver system. the techniques of integrate the motor driver system is the combination of power electronic techniques with micro - electronics techniques ( integrate the motor driver system by power integrated circuit techniques or by packaging techniques )
小型電動機變頻調速集成化是將微電子技術、集成電路技術、電子系統裝聯技術與電力電子技術相結合,使現在市場上的小型電動機變頻調速系統器件化、模塊化、高功率密度化、小型化,同時降低調速系統的成本,減小或排除長期以來阻礙了小功率電動機變頻調速系統廣泛應用的經濟方面的因素。It is electronic inverter that realizes constant frequency output. so the power system has advantages of facile maintenance, high quality of output, high efficiency, flexible structure et cetera, and makes both start engine and generating electrical power dual function possible. now it has become an important research direction of aero - power
由於採用電子裝置來實現輸出頻率的恆定,因此電源系統具有易於維護、電源質量高、效率高、結構靈活等優點,並能實現起動發電雙功能,目前已成為航空電源中一個重要的研究發展方向,而且隨著電力電子技術與元器件生產工藝的不斷發展,變速恆頻電源具有廣闊的發展前景。With the high frequency trend of power electronic technique development, the switching power diodes must be conducted and turn off very fast, that is, the diodes should have short reverse recovery time, low peak reverse current and soft recovery characteristics
電力電子技術高頻化的發展趨勢要求功率開關二極體必須具有快速開通和高速關斷的能力,即具有短的反向恢復時間( t _ ( rr ) ) ,較小的反向恢復電流( i _ ( rm ) )和軟恢復特性。With development of modern power electronic technique, many reactive power - voltage controllers emerged which can improve voltage stability although debasing frequency dynamics at the same time
隨著現代電力電子技術的發展,電力系統出現了許多用於無功-電壓控制的裝置,這些裝置在提高系統電壓穩定性的同時,使系統的動態頻率特性變壞。Its intrinsic switching time is very short ; on the order of a picosecond. perhaps even more important is the low power dissipation ; superconducting circuits dissipate on the order of a microwatt per gate, a thousand times less than cmos circuits
這種數字電子技術具有高速、低功耗的特點,使用基於rsfq技術的邏輯電路的時鐘頻率可達到幾百個ghz ,而功耗只有0 . 3微瓦門。The rapid development of the electronic technology is bringing forward higher request for frequency synthesizers
電子技術的飛速發展對頻率源提出了更高的要求。分享友人