高增益放大器 的英文怎麼說

中文拼音 [gāozēngfàng]
高增益放大器 英文
high gain amplifier
  • : 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...
  • : Ⅰ名詞1 (好處) benefit; profit; advantage 2 (姓氏) a surname Ⅱ形容詞(有益的) beneficialⅢ動詞...
  • : releaseset freelet go
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 放大器 : amplifier; pantograph; lawnmower; enlarger; magnifier
  • 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
  1. Seismic amplifiers are multi-stage and have very high maximum gain.

    地震是多級,它有很
  2. Only transformer coupling can contribute to the voltage gain of an amplifier by virtue of a stepup turns ratio.

    只有耦合方能通過開壓匝數比提變壓電壓
  3. And i finished the layout design, chip test of line driver and equalizer in 2. 5gbps baseband copper cable transceiver and equalizer in the 1. 5gbps sata transceiver respectively. the main improvements and innovations in this thesis are as follows : 1 、 to design an analog equalizer tuned on - chip for 2. 5gbps baseband copper cable transceiver ; 2 、 to present an adaptive equalizer for 1000base - cx transceiver ; 3 、 to present an auto - gain control amplifier used in the adaptive equalizer for the 1000base - cx transceiver ; 4 、 to present an adaptive continuous - time gm - c filter in very high frequency for the adaptive equalizer for the 1000base - cx transceiver

    論文主要的改進和創新有: 1 、設計了適用於2 . 5gbps基帶銅纜收發系統片上可調的模擬均衡電路; 2 、提出了一種新的適用於千兆以太網基帶銅纜收發系統的自適應均衡結構; 3 、設計了甚頻自動控制; 4 、設計了一種適用於千兆以太網基帶銅纜接收均衡的自適應甚頻連續時間gm - c二階帶通濾波
  4. High gain amplifier

    高增益放大器
  5. 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

    行波管是一種的寬帶/毫米波功率件,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,是國家重專項的核心電子件。
  6. The paper first reviews the research background and actuality of the filter " s design in china and other country, introduces the meaning of the project and the work of the paper, narrates the theory of the switched - capacitor network and the basic switch building blocks, analyses the related factors of the design of sc filter. such as the selection of the architecture, the trade off of the opamp " s gain, bandwidth, phase margin, slew rate and setting time, the effect of the switch " s on resistor, how to reduce the charge injection and the clock feed - through, the power consumption and the selection of the sampling frequency and so on

    本文首先回顧了濾波設計的國內外研究背景和現狀,介紹了本課題提出的意義以及本文的主要工作,論述了開關電容網路原理和基本開關模塊,分析了開關電容濾波設計的相關因素:電路結構的選擇,對運算設計中、寬帶寬、相位裕度、轉換斜率和建立時間等的折中考慮,開關的打開電阻對電路的影響,開關電容電路中怎樣減少電荷注入和時鐘饋通,以及整個電路的功耗問題和采樣頻率的選擇等。
  7. To achieve diffraction - limited beam quality laser, single mode fiber is used as waveguide in both fiber amplifier and fiber laser in the past

    為了實現光束質量激光輸出,傳統的光纖和光纖激光均採用芯徑較小的單模光纖作為介質波導。
  8. Simultaneously we append a high frequency amplifier in the high frequency sector, in order to recover the reduction of the gain in the new system

    同時,在改進后雷達的頻部分,以抵消天線改進后引起的下降。
  9. Based on our theoretical predictions, we find optimal splicing parameters on fsm - 30s fiber splicer for low loss joints between erbium doped fiber and other single mode fibers. we also experimentally demonstrate a novel three - stage erbium - doped fiber amplifier with high gain, low noise figure, and high output power. finally, a prototype of a gain - clamped fiber amplifier is obtained with high gain ( 26 db ), low noise figure ( 5. 3 db ), high output power ( 17 dbm ), and large bandwidth ( 31 nm )

    文章研究了摻鉺光纖( edf )與其他光纖低損耗焊接問題,得到光纖熔接機低損耗熔接的最佳參數,這對摻鉺光纖的科研生產具有一定的指導意義;研究了新型的三段級聯泵浦優配的摻鉺光纖的優化光路結構,得到,低噪聲,輸出功率的摻鉺光纖;最後研製成功( 26db ) ,低噪聲( 5 . 3db ) ,輸出功率( 17dbm ) ,寬帶( 31nm )箝制摻鉺光纖樣機。
  10. 2. the input stages of the ccii and the operational amplifier in transimpedance implifier are realized with folded cascode amplifier to reach high cmrr, large open loop gain and low offset

    2 .為了提儀表的電源抑制比,並得到的開環,相對低的失調等性能,電流傳輸的輸入級和跨阻中運算輸入級均採用折疊共源共柵
  11. The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier

    本論文對國內外的模擬低電壓低功耗技術做了廣泛的調查研究,分析了這些技術的工作原理和優缺點,在吸收這些技術成果基礎上設計了一個1 . 5v低功耗軌至軌cmos運算。在設計輸入級時,為了使輸入共模電壓范圍達到軌至軌,不是採用傳統的差動輸入結構,而是採用了nmos管和pmos管並聯的互補差動輸入對結構,並採用成比例的電流鏡技術實現了輸入級跨導的恆定;在中間級設計中,電流鏡負載並不是採用傳統的標準共源共柵結構,而是採用了適合在低壓工作的低壓寬擺幅共源共柵結構;在輸出級設計時,為了提效率,採用了推挽共源級作為輸出級,輸出電壓擺幅基本上達到了軌至軌;本論文改變傳統基準源基於運的設計,採用了帶電流鏡負載的差分設計了一個基準電流源,給運提供穩定的偏置電流和偏置電壓,保證了運的穩定性;並採用了帶調零電阻的密勒補償技術對運進行頻率補償。
  12. A novel high gain opto - electron detecting amplifier is proposed. to resolve the problem that weak traditional amplifiers could n ' t amplify signal effectively, this type of arnplifier is designed and elaborated here

    本文提出了新型光電轉換的設計,在硬體上解決了光電信號轉換倍數小,信號弱的缺點,對電路組成模塊進行了詳細分析和闡述。
  13. Firstly, the system has a good snr and high accuracy, which is owed to wideband operational amplifier being used, accurate adjustment by da, 12 - bit high sampling ad converter being applied. secondly, data transmission becomes less by using forecasting code technology and dictionary compress technology, which are run by dsp on board

    本採集系統採用400mhz帶寬積的運算,運用da精度校準技術,並選用采樣率低噪聲的12位ad轉換晶元進行模擬電路和ad轉換電路設計,既保證了數據採集系統的信噪比,又提了系統測量精度。
  14. The influence of the configuration, the pump wavelength, the bragg wavelength, the reflectivity, the pump power and the length of edf to the gain - clamped characteristics is studied. an optimal l - band gain - clamped edfa configuration with appropriate parameters of the amplifier, which can also provide a flat - gain band, are given

    總之,本論文圍繞光纖通信領域的國際熱點問題,從理論和實驗上研究了、低噪聲、譜平坦的摻餌光纖的實現,關于edfa的特性的研究成果,我們相信能對科研生產起一定的指導作用。
  15. By formula about effective bandwidth, he get the bandwidth near 1540 nm wavelength, which is 64. 54nm. the bandwidth is more bigger than the gain bandwidth of er - doped silica fiber and fluoride fiber amplifier ( 20nm - 30nm ). it is useful to improve transmitted capacity of information in fiber

    對1540nm處光譜有效帶寬的計算,得到結果為64 . 54nm ,這個帶寬已遠於目前常用摻er硅光纖和氟化物光纖的20 - 30nm帶寬,于擴光纖信息傳輸容量有很處。
  16. Based on the study of circuit cells which are applied in sige bicmos operational amplifier, the telescope cascode configuration is selected to realize high speed and high gain

    其次,通過對sigebicmos運算中電路單元的研究,並結合運實際設計指標,選擇套筒式共源共柵結構作為運的主體結構以確保速、的實現。
  17. Avm is essentially a precision array film attenuator, which has a big diameter, high power load, continuous adjustment. the gain of each beam of the main amplifiers is controlled independently by the adjusting the angle of each cell of avm

    Avm實質上是口徑、功率負載、透過率連續可調的組合式精密薄膜衰減,通過調節avm各單元偏轉角度小來獨立控制住各路的
  18. In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given

    從光路、光學元件的自行設計到理論分析計算,初步建立了一臺實驗系統;採用abcd矩陣法結合collins公式計算了四通式單光柵展寬的展寬量,並模擬了相關參數對展寬比的影響,對實驗具有指導意義;評價了再生和多通的優缺點,對過程中通常忽略的自發輻射現象( ase )進行了分析,並提出了相應的解決方法;針對過程中出現的窄化和飽和現象,對輸入種子脈沖提出了一種新的分段頻率調制函數,實現了對窄化效應和飽和效應的共同抑制;提出了系統的材料(包括介質和光路中的普通介質)正是融合階色散的來源。
  19. To accelerate the development of next generation high dwdm system, the pape r also researches the property of gain. based on optical wave nonlinear transmission equation, the gain model of fra is established. by the way of numerical analysis, it is obtained that the gain of fra has relation with pump power, input signal wave power, the effective area and absorption of fiber. the obtained conclusion has definite instruction to the design of fra

    為了促進下一代超速dwdm密集波分復用技術的發展,本文還研究了光纖喇曼特性,根據光波非線性傳輸方程建立光纖喇曼模型,通過數值模擬分析了泵浦波功率、信號輸入光功率、以及光纖有效面積和損耗對光纖喇曼的影響,得出了一些對光纖喇曼的設計有一定的指導意義的結論。
  20. However, to suppress high order modes, bending multimode fiber will bring additional power wastage, which will affect the output characteristics of fiber amplifiers and fiber lasers, such as the gain and pulse energy

    對多模光纖採取彎曲來抑制階模的方法帶來了額外的功率損耗,這個額外的損耗對光纖以及輸出的激光脈沖能量都會造成影響。
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