放大器指標 的英文怎麼說

中文拼音 [fàngdàqìzhǐbiāo]
放大器指標 英文
amplifer specification
  • 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
  • 指 : 指構詞成分。
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 放大器 : amplifier; pantograph; lawnmower; enlarger; magnifier
  • 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
  • 指標 : target; quota; norm; index; merit; subscript; index arm; indicatrix
  1. A novel amplifier chain which is composed of the forward wave crossed - field amplifier ( cfa ) driven directly by solid state amplifier ( ssa ) is better in performances and reliability compared with traditional three stage chain which is composed of " ssa + twta + cfa "

    摘要採用固態放大器直接驅動前向波管的新型放大鏈與「固態-中功率行波管-前向波管」三級放大鏈相比較，具有更好的性能指標。
  2. Feedforward is generally known as the best performing linearization technique for its advantages, such as broadband, stability, etc. this paper introduces the theories of power amplifier nonlinear characters and feedforward technique. according to the rf specifications in 3gpp for wcdma transmitter power amplifier, an adaptive feedforward amplifier system is completed including eda simulation, circuits layout and main mechanical structure design

    本文根據3gpp對wcdma發射機功率放大器的射頻指標要求，在對功率放大器的非線性特性和前饋技術的特性進行詳細理論分析的基礎上，結合eda模擬工具，設計了基於自適應前饋的功放系統，並完成了系統的調試和測試。
  3. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點，解析的研究了電子束在相對論速調管放大器的調制腔和漂移管中的預群聚;用粒子波互作用的場方法導出了在輻射腔中預群聚電子束產生輻射的自洽方程，同時對線性區的增益進行了計算。理論分析表明，場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的諧振頻率、間隙阻抗實部和外觀品質因數等特性參數。
  4. Ecg monitor module included signal collection channel and related data processing based on mcu. the signal collection channel which adopted high performance integration instrument amplifier was designed according to the features of ecg signal. msp430f149 mcu was used in controlling lead - switch, state - switch and the a / d conversion

    根據心電信號特徵，使用儀表放大器設計了高指標的心電信號採集通道，由msp430f149單片機進行控制，可選擇多導聯切換檢測，以及切換工作模式，並對模擬信號進行a / d轉換。
  5. Theoretically several solutions are derived in the final scheme such as broadband matching technology which included negative - feedback technology, traveling wave technology and balance technology. in addition, the design will be optimized by eda software and the final test result indicates that our design is successful. the principle of microwave amplifier is introduced at first in this paper, especially its main parameters index sign, then the material performance and the influence of parasic parameter and model setting of the gaas phemt is discussed

    文中首先介紹寬頻帶放大器的主要參數指標，接著介紹了gaasfet的材料特性，以及phemt管芯寄生參數對實際放大器設計的影響，然後討論gaasphemt的大、小信號模型的建立與分類;結合gaasphemt模型和s埠參數分析了寬頻帶匹配技術的原理;最後論述本課題中各個放大器實現的具體方案，以及在放大器實現過程中應該注意的問題，給出了實際寬帶放大器的測試結果，並將軟體模擬結果與實測曲線進行對比。
  6. This paper introduces two types of sensitive charge preamplifier for rn measure device, designing method, debugging process and performance ; and it analyzes the conditions which can be applied

    摘要介紹了兩種用於氡氣測量裝置的電荷靈敏前置放大器的實例，給出了設計思想、調試過程和技術指標，說明了它們不同的應用場合。
  7. An analogue measuring amplifier integrated into the cable supplies an output signal of 1. 6v, the linearity of the measuring unit is

    連接在電纜中的模擬測量放大器提供了1 . 6v的信號輸出，測量單元的線性指標
  8. 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運算放大器中電路單元的研究，並結合運放實際設計指標，選擇套筒式共源共柵結構作為運放的主體結構以確保高速、高增益的實現。
  9. Some sub - block circuits ( error amplifier, soft - start, enable comparator and under - voltage protection circuit ) are designed and several electrical characteristics are simulated using hspice. finally, the whole chip performance is simulated. and the results show the satisfaction to both function targets and characteristics

    在子電路設計中，本論文只對其中的誤差放大器、軟啟動電路、使能比較器和欠壓保護四個子電路進行了電路原理分析與設計，並在此基礎上，運用eda軟體hspice對各功能模塊的各項指標、參數進行了模擬、分析。
  10. First, an analysis for the design of the impulse phase lock oscillate, which includes impulse phase detector the dielectric resonant oscillate etc. secondly, presents an analysis for the design of wide band balanced low noise amplifier. the last two part simplify the theory and the electrical characteristics of the sub harmonic mixer, and the mmvco

    第一部分著重介紹了脈沖鎖相源的工作原理（主要包括取樣鑒相器和介質穩頻的壓控振蕩器） ，並介紹了研製結果的性能指標;第二部分介紹了平衡式寬帶低噪聲放大器的基本理論
  11. Vector modulators have been used in this paper to vary the phase and amplitude of signals in the in - band spurious cancellation loop of feed - forward power amplifiers ( ffpa ). in the two - tone test, 3. 5ghz ffpa developed in this paper shows more than 35db improvement in the third - order inter - modulation ( im3 ), offers approximately - 60dbc im3 output, achieves the expected goal, and meets the communication requirement

    本文研製的3 . 5ghz前饋放大器採用了矢量調制器來實現前饋環路的幅度和相位調節，在雙音測試結果中，三階交調im3的改善超過了35db ，前饋系統輸出im3抑制近- 60dbc ，達到了預期指標，滿足了通信需要。
  12. Based upon basic principles of the analog integrated circuit and theories of system stability, this paper deals with high precision, wide band - width and fully differential cmos operational transconductance amplifiers ( ota ). other than discussions about its performance evaluation and testing, a two - stage full differential ota has also been designed including its core cell and the overall layout

    基於模擬集成電路基本理論與系統穩定原理，論文針對高精度、寬帶寬cmos全差分運算放大器（ ota ）進行了性能指標及測試技術探討，並研究設計了cmos全差分共源共柵兩級ota 、核心單元與總體電路版圖。
  13. In modern wireless communication, linear power amplifer is necessary and play a critical role, and even the whole communication system will be affected by its performance

    在當代無線通信系統中，線性功率放大器是必不可少而且也是非常關鍵的部分，其性能的好壞將影響整個通信系統的指標。
  14. This subject aim at designing a linear power amplifer whose output power is 40w for 225 - 450mhz band. but it seems not easy to finish the task because of this power amplifier own unique requirements including high output power, broad working frequency band, high linearity, and flat gain. due to the complexity involved, theoretically several soltuions are derived in the final scheme such as broadband matching technology, power - retreat, power synthesize, automatic power control and negative feedback. in addition, the design will be optimized by eda software and the final test result indicates that our design is successful

    本課題的目標是研製一個輸出功率為40w的225 450mhz的線性功率放大器。由於該功放要求輸出功率大，工作頻帶寬，帶內增益波動小，線性度高，所以其終合設計難度大。鑒于這個原因，在理論設計上筆者採用了寬帶匹配、功率合成、功率回退、負反饋、自動功率控制等技術；在實踐中精心設計電路，並且配合eda軟體模擬，最終達到所要求的指標。
  15. For the system application, we cascade multi - module to satisfy the system ’ s demands. the measured results of fabricated limiting amplifier are in agreement with eda simulation results. the experimental results indicate that the x - band limiting amplifier can satisfy performance demands of x band receiver

    本課題採用了模塊化的設計方法，首先設計限幅放大器模塊電路，經製作、調試，得到能滿足級聯要求的、性能穩定的模塊電路;然後根據限幅放大器整體系統指標的要求，多級模塊級聯組成限幅放大器整體電路。
  16. For long - haul high bit rate trunk line optical fiber communication system and metro optical fiber network, a semiconductor optical amplifier ( soa ) is the most promising component due to its all kinds of properties and small dimension, compactiveness, low drive voltage, such as in optical network solutions, polarization - insensitive semiconductor optical amplifier ( pisoa ) is a popular candidate as optical gates. but the polarization - insensitivity over large wavelength range is requested. the purpose of this thesis is to develop a soa which is polarization - insensitive and has large 3db bandwidth

    隨著寬帶傳輸和寬帶接入以及全光網的組建和發展，大帶寬偏振不靈敏半導體光放大器（ semiconductoropticalamplifier ， soa ）由於其易於與其它器件集成，體積小，具有快的動態增益響應，非線性好，飽和輸出大，可實現無損操作等特點，在光通信網路中，成為光纖通信發展，全光網組建以及wdm 、 tdm技術成熟的關鍵部件之一，其中偏振不靈敏和大的3db帶寬是性能優良soa的重要指標，也是制備的技術難點。
  17. Moreover, the saturation characteristic of raman fiber amplifier is also one of the important parameters and the total power of signal light input into the fiber is limited by it

    另外，飽和特性也是光放大器的重要指標之一，它限制了可以輸入光纖的總信號光功率。
  18. Based on the volterra series, expressions describing the third - order intermodulation distortion in cmos cascode lnas are derived

    基於伏特拉級數，本文推導出了描述cmoscascode結構低噪聲放大器三階互調指標的方程。
  19. This paper had did the most important work was the design of transciever and the construction of working environment, and also the video module and power amplifier module. at last, we did the measurement and debugging of total system, achieved anticipate target, satisfied the requirement of communication

    本文所做的主要工作在於發射機總體設計和工作環境的構建，發射機視頻模塊，調制模塊以及功率放大器模塊的設計，最後對系統進行了總體的調試，達到預期指標，滿足了要求。
  20. Power : put to say to, and the sum settle the power to is just valid index sign that evaluate the to put the function. it points within the scope of certain of the wave lose true, and the make longer a work can biggest power of the output s. enlarger while connecting into the box of the different resistance that exportation power can have different, usually the enlarger can mark clearly its sum to settle the exportation resistance ; for example a sum that set enlarger while loading a resistance to settle the exportation power to the, and load the resistance to may increase the the above. because the power there is method of various marks, some and illegal factory to can have intention to exaggerate the data, purchase or choose the hour to want with physically hear the to take in to distinct, comparison

    它是指在一定的諧波失真范圍內，功放長期工作所能輸出的最大功率。放大器在接入不同阻抗的音箱時的輸出功率會有所不同，通常放大器會標明其額定輸出阻抗例如一臺放大器在負載音箱阻抗為時的額定輸出功率為，負載阻抗為時就可能增加到以上。因為功率有多種標法，某些不法廠商會有意誇大數據，購買或選配時要以實際聽音加以區別比較。
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