轉換增益 的英文怎麼說

中文拼音 [zhuǎnhuànzēngyì]
轉換增益 英文
translation gain
  • 轉 : 轉構詞成分。
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 益 : Ⅰ名詞1 （好處） benefit; profit; advantage 2 （姓氏） a surname Ⅱ形容詞（有益的） beneficialⅢ動詞...
  • 轉換 : change; transform; convert; switch
  1. In designing analogic circuit, we adopt programmable filter max262 to meet the system ' s command. after the step, we can make the signal ' s frequency width is wider and noise level is lower. to make the signal ' s amplitude to meet the analogic to digital device ' s command, we adopt the max551 to finish the gain control

    在模擬電路部分，採用可編程濾波器max262 ，這樣就滿足了該數據採集裝置所採集的信號的頻率范圍較寬以及具有較低的噪聲水平的要求，為了使采樣到的信號的幅度滿足後面a d轉換器的要求，採用max551對采樣到的信號進行調理（增益控制） 。
  2. Finally, the paper gives some beneficial imaginations on institutions of converting collective land to state land through market. i think it is meaningful because such institutions devising can enlarge social welfare matching the behalf of the country and the people, and it is a necessary ways and tendency for converting collective land to state land

    本文主要以馬克思的產權分離理論為基礎，對集體土地向城市用地轉換市場化制度建設做一些有益的構想，筆者認為這種探索是有意義的，因為這種市場化制度的安排增進了社會福利，符合國家和人民的利益，是今後集體土地向城市用地轉換的趨勢和必要手段之一。
  3. This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up

    全文共分八章，取得的主要成果及創新點如下： （ 1 ）首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理，在考慮如下物理過程和參量的基礎上：光與物質的雙光子相互作用； stokes光的傍軸衍射； langevin （郎茲萬）噪聲源；晶體表面反射和端面反射；增益系數、光束口徑、脈寬和三倍頻光能量密度，推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。
  4. Secondly, the pressure sensor made by motorola co. ltd. in usa is chosen as the key part of the pneumatic - electric transducer. thirdly, the signal processing system of the pneumatic - electric is developed

    第三，研製了氣電轉換器的信號處理電子系統，設計有調零、增益調整、開關轉換擴展量程等功能。
  5. But up to now, none of them are commercially available. among these technologies, wavelength converters based on cross - gain modulation, cross - phase modulation and four - wave mixing in semiconductor optical amplifier is the mainstream of research

    其中，基於半導體光放大器中的交叉增益調制、交叉相位調制和四波混頻效應的波長轉換技術是研究的主流方向。
  6. The market timing ability of mutual fund managers can be defined as the ability to anticipate whether the general stock market is going to rise or fall and to adjust the composition of their portfolios accordingly. that is, if the managers think they have the ability to anticipate that the market is going to rise, they shift the composition of their portfolios they manage from less to more volatile securities. if they think the market is going to fall, they shift into the opposite direction

    證券投資基金（以下簡稱「基金」 ）的擇時能力是指基金經理的市場時機把握能力，即如果基金經理相信自己能夠準確預測市場趨勢，他將根據期望的市場走勢調整其投資組合的風險水平，在預測市場收益上升時增加組合的風險水平，下降時降低組合的風險水平，通過高風險資產和低風險（或無風險）資產之間的不斷轉換來獲取超額收益。
  7. It is shown that the excessive local oscillator drive deteriorates the conversion gain of the mixer at high frequencies, a trend not shown in the low frequency approximation

    我們征明了在高頻下，過大的本振將使得混頻器的轉換增益減小。這一趨勢無法由低頻近似模型給出。
  8. The city grows up to regional economic growth pole by the gathering economy and economies of scale, makes full use of the pole effect and drop effect. and its material progress and cultural and ideological progress develop and diffuse continuously, industrial structure convert to higher grade, the urban and rural develop together and become integration

    城市通過聚集經濟和規模經濟效益，成長為區域經濟的增長極，發揮極化效應和涓滴效應，使城市物質文明和文化不斷發展、擴散，城市和區域產業結構不斷轉換升級，城鄉共同發展，最終實現城鄉一體化的過程。
  9. In the macroscopic perspective, how to strengthen the collective cohesion in the school should be based on the premise that personnel administrative system is undergoing the transformation from the model of the planned economy to that of market regulation, and on the principle that a school is administered according to the laws concerned

    以宏觀層面作為觀察視角，增強學校群體凝聚力，應以勞動人事制度由計劃控制模式向市場調節模式轉換為前提，以依法治教為根本，從全面貫徹落實《教師法》等教育法律法規、切實維護教師的合法權益這一層面上來考察。
  10. 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器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器設計的相關因素：電路結構的選擇，對運算放大器設計中高增益、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。
  11. 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。
  12. The adm system mainly includes a oscillator, a clock generator, an amplifier, a pre - amplif ier, a comparator, an agc ( automatic gain control ), an adm analyzer & synthesizer, a d / a converter and a lowpass filter

    整個系統包括：內置振蕩器，時鐘產生器，放大器，前置運算放大器，比較器， agc （自動增益控制器） ， adm分析綜合器，數模轉換器以及低通濾波器。
  13. Convertible bond is a convertible financing tool between bond and stock, convertible bond concurrently have features of bond, stock and option. its issue - clauses include interest rate, convertible ratio and convertible price, convertible date, call provision, put provision, strike - price - adjusted provision etc, convertible bond can reduce corporate financing cost and improve capital structure, investor can share corporate performance and income of convert bond

    可轉換債券是一種介於債券和股票之間的可轉換融資工具，可轉換債券兼具了債券、股票和期權的特徵。可轉換債券發行條款包括票面利率、轉換比率和轉換價格、轉換期、贖回條款、回售條款、向下修正條款及強制轉股條款等等；發行可轉換債券降低了公司融資成本和改善債務結構，投資者可以分享發行人業績增長和股票價格的上漲帶來的轉股收益。
  14. The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics

    採用霍爾元件作為缺陷漏磁檢測傳感器，獲得管道軸截面漏磁場切向分量的漏磁信號；研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和磁化強度、檢測儀移動速度、管道背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各通道增益放大、各路漏磁信號偏離調整、波形微分、數字濾波和平滑等漏磁信號預處理方法；分析了等空間采樣的漏磁信號轉換為等時間采樣信號的必要性，研究了漏磁信號的小波去噪方法。
  15. In this paper, we study inversionless lasing of frequency up - conversion in an open v - type system with incoherent pump. making theoretical analysis and numerical calculation by density - matrix equations of motion, we derive the conditions for the onset of lwi and discuss the effects of the parameters of the system, the detuning of driving field and probe field on the gain, and discuss nonlinear effect in the frequency up - conversion regime. we also give stability and transient analysis

    本論文研究了具有非相干泵浦的開放v型系統頻率上轉換無粒子數反轉激光，利用密度矩陣運動方程，通過理論分析和數值計算，得出該系統產生無粒子數反轉激光的條件，討論系統各參數的變化和驅動場與探測場的失諧對激光增益、色散和粒子數差的影響，還討論了頻率上轉換區域的非線性效應，分析了增益的穩定性及系統的瞬態演化過程。
  16. In chapter 3, we studied the effect of gaussian transverse profile for the driving and laser fields on lasing without population inversion ( lwi ) in a closed v - type system and an open v - type system. moreover, we discussed also the effect of the unsaturated gain coefficient, the cavity - damping rate, the ratio of the atomic injection rates and atomic exit rate on the corresponding systems. in chapter 4, we mainly discussed the effect of doppler broadening on the gain, dispersion and the frequency up - conversion of the open v - type lwi system and compared the differences and the same between the open system and the corresponding closed system

    發現： （ 1 ）在考慮doppler展寬的情況下，通過選取合適的實驗室條件（比如合適的原子環境溫度等）可得到合適doppler展寬值，從而使系統獲得最佳增益； （ 2 ）要想實現系統的頻率上轉換，同時又要獲得足夠強的無反轉激光增益，則系統頻率轉換比不能選取的太大； （ 3 ）對于開放系統，比較小的粒子注入速率比與退出速率對產生無反轉激光是有利碩士學位論文摘要的： （ 4 ）由於dopp1oy展寬的存在，當探測場與驅動場的傳播方向相反時，增益在探測場失諧的某一段區域產生振蕩，且振蕩的振幅、頻率失諧范圍的大小與dopper展寬的取值有關。
  17. 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

    本文提出了新型高增益光電轉換放大器的設計，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。
  18. Available conversion gain

    有效轉換增益
  19. A fast algorithm for estimating the high - frequency conversion gain of cmos gilbert mixers is proposed

    本文提出了一種快速估計cmosgilbert型混頻器高頻轉換增益的演算法。
  20. The double - frequency laser interferometer belongs to the heterodyne interferometer. it has been proved that this kind of interferometer possesses the advantage of having a higher transform gain, better wave - filter capacity and high spatial resolution. furthermore, this kind of interferometer can filter out background light interference and obtain a measuring signal with high signal / noise ratio

    雙頻激光干涉儀是一種外差干涉儀，理論分析證明：外差干涉具有高的轉換增益、良好的濾波性能及優異的空間鑒別能力，能有效地濾除各種背景光干擾，得到信噪比很高的測量信號。
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