轉換放大器 的英文怎麼說

中文拼音 [zhuǎnhuànfàngdàqì]
轉換放大器 英文
switching amplifier
  • 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
  • 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
  • 轉換 : change; transform; convert; switch
  • 放大器 : amplifier; pantograph; lawnmower; enlarger; magnifier
  • 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
  1. In - phase wavelength conversion in semiconductor optical amplifier in critical lasing state

    基於半導體光放大器臨界激射狀態的同相波長轉換
  2. The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox

    本論文中，首先介紹模數轉換器的各種參數的意義，以及一階sigma - delta調制器和高階sigma - delta調制器的原理;給出解決高階單環sigma - delta調制器不穩定性的方案，引入級聯結構調制器，特別針對級聯結構調制器中的失配和開關電容積分器的非理想特性進行詳細的討論;本設計的sigma - delta調制器採用2 - 1級聯結構和一位量化器，調制器採用全差分開關電容電路實現;同時對整個調制器的各個模塊進行了電路設計，包括跨導放大器、開關電容積分器、量化器、兩相非交疊時鐘等，並利用hspice和spectre模擬工具對這些電路進行模擬測試;最後，利用matlab軟體和simulink工具對整個級聯調制器進行行為級模擬。
  3. In the array scheme of with the diaphragm, the optimization of semiconductor optoelectric devices array forms a sky screens. while the bullel passing through the sky screens, the outputs of optoelectronic devices are amplified and coded, and then transmitted to the computer for processing

    半導體光電件陣列方案是將半導體器件陣列和光闌合理配置，形成天幕，將彈丸過靶信號光電轉換、放大，經過編碼處理，最後送入計算機處理。
  4. The error of hall element is analysed and the compensative method is provided ; this paper makes the theoretical analysis of errors producing by the instrument amplifier and a / d converter. we adopt the technology of digital filter and linearization implementing by the neural network method

    對霍爾元件的誤差進行分析並給出補償方法；對儀表放大器和a d轉換器引起的誤差進行了理論分析；採用了數字濾波技術和採用神經網路方法實現的非線性校正技術進行軟體補償。
  5. In the part of the transmitter, the pre - amplifier logarithmic amplifier, temperature complement circuit, anti - disturbing circuit, and v / i circuit, are discussed. the transmitter outputs 4 - 20ma. in the part of the displayer hardware design, the i / v convert circuit and the flame intensity signal processing circuit are introduced

    在探頭的設計中，詳細介紹了前置對數放大器電路設計，在對數放大器加入了溫度補償電路和抗干擾電路，以保證測量精度和較大的量程，最後信號經電壓電流的轉換，得到4 - 20ma的標準信號作為探頭的輸出信號，進行遠傳。
  6. 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。
  7. In wavelength conversion based on four - wave mixing ( fwm ) in soa, balance efficiency can be obtained in larger range when increasing saturation power of the optical amplifier and decreasing the saturation power of spectral hole burning and carrier heating

    而在基於soa的四波混頻（ fwm ）波長轉換中，在提高光放大器飽和功率的同時減小光譜燒孔（ shb ）和載流子加熱（ ch ）飽和功率可有效提高較大頻率間隔處的轉換效率，並保持其在較大頻率失諧范圍內的效率均衡。
  8. An instrumentation amplifier is a closed - loop gain block that has a differential input and an output that is single - ended with respect to a reference teminal. it must amplify the differential input acurately and suppress any unwanted common - mode signals

    儀表放大器是一種能精確放大兩輸入端之間的差模信號而抑制任何共模信號，並將差分輸入轉換為單端輸出的放大器。
  9. D / a conversion chip and isolation amplifiers are used to obtain the comparative levels required by isolation channels, which could be set with actual requirement ; it can enhance flexibility of the module. otherwise, four - channel isolation signal sources are exported using d / a conversion chip and isolation amplifiers as well

    另外還利用d / a轉換晶元和隔離運算放大器輸出四路隔離信號源，該隔離信號源能與隔離比較電平通過繼電器進行程式控制切換，這樣擴展了該計數器模塊的功能。
  10. Firstly, the whole scheme of the transducer is designed, the transducer includes capacitance / voltage converting, ripple - control capacitor switching, magnify - multiple switching, a / d converting, singlechip, photoelectric isolation and rs - 485 serial communication, etc. the measurement of microcapacitor is the key technology of transducer

    首先對變送器部分進行了整體的方案設計，變送器由電容/電壓轉換、紋波控制電容切換、放大倍數切換、 a / d轉換、單片機、光電隔離和rs485串口通訊等幾部分組成。
  11. Topics covered include : properties and advantages of feedback systems, time - domain and frequency - domain performance measures, stability and degree of stability, root locus method, nyquist criterion, frequency - domain design, compensation techniques, application to a wide variety of physical systems, internal and external compensation of operational amplifiers, modelling and compensation of power coverter systems and phase lock loops

    所涉及的主題包括：反饋系統的特性和優勢，時域和頻域性能度量，穩定和穩定度，根軌跡法，奈魁斯特準則，頻域設計，補償技術，種類繁多的物理系統應用，運算放大器的內部和外部補償，能量轉換系統的建模和補償，以及鎖相環。
  12. The synchronous rectifying and low power sampling technology is used to reduce the power consumption, flexible external loop compensation, error amplifier output clamp are adopted for better system large signal response. the piecewise slope compensation technology is employed to minimize the consequence of over compensation. the sensor resistor is externally connected, which realize output voltage programmable. the overheat protection and under voltage protection modules are integrated in the die to allow the reliable operation of the system

    同時，電路設計採用同步整流技術、低功耗電流采樣技術降低功耗，提高轉換效率;採用靈活的外部環路補償技術、誤差放大器輸出嵌位技術以實現良好大信號特性;採用分段斜坡補償技術，消除不穩定因素，並最大程度地減小過補償帶來的問題;採用外接輸出采樣電阻的方式，實現輸出電壓的可編程。
  13. 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。
  14. A quick spectroscopic diagnostic system for the flame temperature is set up in this paper. it consists of an optic imaging system, a scanning system, a dispersive system, a photoelectricity conversion cell, operational amplifiers, a computer - based data collection system and a data processing. the temperature profile varying with the time can be quickly measured by this system

    目前光學診斷由於其相應快、精度高，屬于非接觸式測量手段，在研究中得到越來越多的應用，這里要介紹的就是本文中建立的一套光學診斷系統，它由高壓燃燒室、旋鏡掃描儀、旋鏡控制器、小型光柵攝譜儀、光電轉換裝置，微弱信號放大器以及數據採集系統組成。
  15. 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。
  16. The relays may lack the high speed switching characteristic of the solid - state state switches used by other preamplifiers, but they also have none semiconductor distortions and noise which accompany analog gates and voltage controlled amplifiers

    與其他前級放大器所用的半導體開關相比，這些繼電器缺少高速轉換的特性，但它們沒有隨著模擬開關和電壓控制放大器所帶來的半導體失真和噪聲。
  17. 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。
  18. 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。
  19. The data collection includes photoelectric converser, amplifier circuit and data collection

    儀器的數據採集系統包括前端的光電轉換，放大電路和採集部分。
  20. In the system, the rotate speed sensor and torque sensor are fixed between the engine power output shaft of yanmar combine harvester and the power input shaft of working device. the signals of torque and rotate speed are preprocessed such as v / f, amplified. and the power is computed

    該系統在洋馬聯合收割機的發動機動力輸出與工作裝置的動力輸入軸之間安裝了轉速和扭矩傳感器，對轉速和扭矩傳感器的輸出信號進行v f轉換、放大等預處理，並計算出功率值。
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