重放放大器 的英文怎麼說

中文拼音 [zhòngfàngfàngdàqì]
重放放大器 英文
playback amplifier
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 放 : releaseset freelet go
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 重放 : 1. （安放） reset2. （放映; 放音） replay
  • 放大器 : amplifier; pantograph; lawnmower; enlarger; magnifier
  • 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
  1. This article firstly describes the structure and operational principle of a flash memory and analyzes the commonly used structures of its peripheral circuits. . . sense amplifier. then emphasizes on illustrating the design of two novel structures of sense amplifier applied in a 3v full - cmos flash memory, and then simulate them using innosis 0. 15um process technology and obtain satisfying simulation results under different conditions

    然後著重論述了兩種應用3v全cmosflashmemory中的全新結構靈敏放大器，並用innosis0 . 15 m工藝，對其進行模擬，得到了不同條件下的模擬結果，結果表明新設計的全新靈敏放大器具有電路結構簡單，讀取速度快等優點，完全能夠滿足flashmemory的要求，達到了預期的目標。
  2. The power ’ s quality is decided in the system performance, the amplifier has 4 groups ’ power sources, input 220v through the filter, the transformer transformation, the full - wave rectification, finally through manostat leveling off voltage, after the electric capacity filter outputs

    電源質量的好壞是決定系統性能的一個重要因素，放大器共4路電源，輸入220v通過型濾波，變壓器變壓，全波整流，最後通過三端穩壓器穩壓，電容濾波后輸出。
  3. Low noise amplifier ( lna ) is widely used in front end of a received set of mobile communication 、 wireless radio 、 blueteech technology and so on 。 the active device is the core of the circuit and has significant effects on the whole equipment, therefore, the design of the active device is vital in lna

    微波低噪聲放大器（ lna ）廣泛應用於移動通訊、無線電、藍牙技術等的rf前端。 lna中的有源器件是整個電路的核心，對整個放大器電路的性能有著重要的影響，因此有源器件的設計是lna的關鍵技術之一。
  4. It is important to connect the transducer and amplifier by a low-capacitance, low-noise, coaxied cable.

    傳感器和放大器之間的聯結採用低容抗，低噪音的同軸電纜是很重要的。
  5. High repetition rate femtosecond yb - doped fiber amplifier

    高重復頻率飛秒摻鐿光纖放大器
  6. As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system

    功率放大器（ pa ）作為無線通信射頻發射機中不可缺少的關鍵電路，對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用，而適用於恆包絡信號放大的e類功率放大器，更是在現代通信系統中佔有十分重要的地位。
  7. Simulation and modeling of self - modulated re - entrant beam crossed - field amplifier

    自調制重入式正交場放大器的模擬設計
  8. The x - band limiting amplifier is a part of the front - end for x band receiver. in this thesis, a x - band limiting amplifier is designed

    微波限幅放大器是電子偵察、電子對抗等雷達接收系統中的重要部件，存在著廣泛的應用。
  9. ( 5 ) from august, 2002 to april, 2003, on the base of analyzing of 10kw valve tv transmitter of channel 14, chongqing tv transmitting station, brought forward process the solidification scheme to 400w valve power amplifier of the driver

    重慶大學碩士學位論文中文摘要（ 5 ） 2002年8月至2003年4月期間，在對重慶電視發射臺14頻道（ uhf ） 10kw電子管電視發射機進行研究分析的基礎上，提出了對該機末前級400w電子管功率放大器進行固態化改造的方案並予以實施。
  10. On the base of summarizing and reference to the achievement of uhf complete solid - state high - frequency power amplifier abroad, the author have made a deep research in uhf 10kw electron tube tv transmitter power amplifiers which are widely used inland, and asked for ideas of a lot of engineers of chongqing tv transmitting station, brought forward a practicable solidification scheme under the guidance of prof. gao chao and prof. guoyongcai, and made a successful practice at chongqing tv transmitting station

    筆者在總結和借鑒國內外有關uhf全固態電視發射機高頻線性功率放大器研究成果的基礎上，對目前國內電視發射臺普遍採用的uhf10kw電子管電視發射機高頻線性功率放大器進行了深入研究，並廣泛徵求重慶電視發射臺工程師的意見，在重慶大學高潮教授和郭永彩教授的指導下，提出了切實可行的固態化改造方案，並在重慶電視發射臺實踐成功。
  11. Switching power amplifier is popularly used because of its virtues of low power losses, high efficiency and high frequency bandwidth

    開關型功率放大器因其損耗小、效率高、通頻帶寬等優點，廣泛取代了早期低效率的線性功放，成為目前功率放大器研究的重點。
  12. Gyroklystron amplifier is a novel high - power millimeter - wave coherent radiation source. as a result of high - power capability and high - efficiency and moderate bandwidth advantages, gyroklystron amplifiers have received a great deal of attention in recent years for a variety of applications including high - power radars, electronic counter systems and the next linear collider etc. specifically in twenty years later, there was much developments on gyrotron

    迴旋速調管放大器是一種能夠在毫米波段獲得高功率、高效率及一定帶寬的新型毫米波相干輻射源，因其在高功率毫米波雷達、電子對抗、定向能武器、材料處理和加速器等領域的重要應用前景，在國際上受到了廣泛的重視。
  13. Traveling wave tube ( twt ) is a kind of broad - band, high powerh, high gain microwave millimeter wave amplifiers. they are widely used in communication, electronic warfare, rader system and microwave directional power weapon, taking an irreplaceable role in modern military electronic equipments and communication

    行波管是一種高增益的寬帶/毫米波功率放大器件，廣泛應用於數據通訊、電子對抗、預警飛機、火控雷達、精密制導，在現代軍事電子裝備中顯示出不可取代的重要作用，是國家重大專項的核心電子器件。
  14. In order to obtain high resolution of the instrument, the effect of input noise of amplifier must be decreased. hereby, an amplifier circuit based on the chopping theory was developed for it

    由於該微摩擦測試儀要求的分辨力很高，而運算放大器本身的輸入噪聲嚴重影響系統的解析度，為此設計完成了基於斬波放大原理的放大電路。
  15. Become a kind of new electronics circuit - current - mode circuit. it is replacing the traditional design method of the voltage - mode in the high frequency high - speed signal processing realm 。 this thesis mainly discussed the modified second - generation current conveyors based on the current - mode kinds of new cuicuit components, they are stronger modified standard current - mode parts in fuctions on this foundation. mainly including the modified differential difference current conveyor ( mddccii ) 、 the fully balanced second generation current conveyor ( fbccii ) 、 ( full balances ) four - terminal floating nullor ( fbftfn ) and the current differencing buffered amplifier ( cdba ), they are all function very strong standard current - mode parts, they all can provide some circuit functions of better than general operation amplifier, because they have the voltage importation and the current importation, therefore use it since can carry out the voltage - mode signal processing circuit expediently, can also carry out the current - mode signal processing circuit expediently, and have to increase the benefit bandwidth to accumulate more widely than the voltage - mode, but have their advantages more according to the current - mode filter of the modified current conveyor, because it constitutes in brief, the filter wave function is stronger and they are better than in general use operation amplifier of many advantages, be easy to composing for example 、 high speed 、 frequency bandwidth 、 the power supply voltage requests low 、 consume small, the impedance is different from etc. advantages, otherwise they have biggish dynamic range, and flexible circuit synthesize, so they are the best active parts

    從第二代電流傳輸器ccii入手，重點研究了以下幾種改進型的第二代電流傳輸器:改進的差動差分電流傳輸器mddccii 、全平衡第二代電流傳輸器fbccii 、多輸出四端浮地零器ftfn 、全平衡四端浮地零器fbftfn 、電流差分緩沖放大器cdba的電路結構及其模型。然後在此基礎上系統地研究了基於這幾種改進型的第二代電流傳輸器的濾波器的設計方法，主要方法和結果如下:利用mddccii設計了差分式連續時間電流模式低通、帶通濾波器;電流模式跳耦結構考爾低通濾波器;利用fbccii設計了帶通二階節濾波器及電流模式雙二階通用濾波器;設計了基於多輸出端ftfn的電流模式二階通用濾波器電路;通過數字化開關選擇的基於fbftfn的電流模式通用濾波器;設計了基於最少個數電流緩沖放大器（兩個cdba ）的多功能通用電流模式濾波器及其在非理想因素情況下分析。設計濾波器的主要方法是採用級聯設計、運算模擬（信號流圖法）和反饋設計（跳耦法） 。
  16. How to improve the efficiency of the energy transforming is the emphasis and difficulty in designing such amplifier

    如何提高能量轉換效率，是設計該類放大器的重點和難點。
  17. By means of comprehensive study of the whole process to derive the calculation of relative gain variation, a mathematical formula how to make a well - founded understanding and correct use of the differential calculation method when making every efforts to accurately calculate the relative variation of the closed - loop gain of an amplifier was advanced based on another accurate calculation method given

    因此，本文通過全面考察推導增益相對變化量的計算全過程，根據所給出的另一種準確計算方法，重點提出了在要求準確地計算放大器閉環增益的相對變化量時，怎樣正確理解和運用微分計算方法的數學表達式。
  18. Because gyrotron traveling wave tube amplifier ( gyro - twt ) is an important millimeter wave amplifier with the characteristics of the high output power, the broadband width, and good efficiency, which has vast application vistas in many areas such as millimeter radar, communications, electronic countermeasure, and so forth, it has been pay much respect in the world

    迴旋行波管是一種大功率、高效率、寬頻帶放大器，在毫米波雷達，通信與電子戰等方面有十分重要的應用前景，因而在國際上受到高度重視。由俄羅斯人g . denisov等提出的螺旋波紋波導是一種比較理想的結構。
  19. Effect of overlapping factors on gain characteristics of erbium - doped optical waveduide amplifiers

    重迭因子對光波導放大器增益特性的影響
  20. The broadband amplifier is an important type of amplifiers using in modern communication systems

    寬帶放大器是現代通信系統中的一種重要的放大器類型。
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