調節放大器 的英文怎麼說
中文拼音 [diàojiéfàngdàqì]
調節放大器
英文
conditioning amplifier- 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
- 節 : 節構詞成分。
- 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
- 調節 : regulate; adjust; monitor; measure; take care of; condition; regulation; adjustment; conditioning...
- 放大器 : amplifier; pantograph; lawnmower; enlarger; magnifier
- 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
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With the stringent requirement of low output voltage and high output current, semiconductor diode is necessarily replaced by synchronous rectifier to minimum voltage drop. because the existed driving schemes can not drive srs properly, two novel driving schemes for synchronous rectifiers in magnetic amplifier post regulating circuit are proposed in this paper
已有的同步整流管驅動電路主要面對多路輸出的主輸出電路,而應用磁放大器調節的輔助輸出電路同步整流管的驅動,現有的方法存在磁放大器調節與同步整流管驅動的失配,降低了開關電源的效率。Based on the thorough investigation of the post - regulation and efficiency in multiple output switching - mode power supplies, an optimal combination topology for multiple output switching converter is presented in this thesis, which is consisted of forward converter with active clamp ( fac ), synchronous rectification ( sr ) techniques and magnetic amplifier technique ( magamp )
本文通過研究分析近年來多路輸出開關電源輔助輸出電壓調節和提高效率的方案,面對開關電源朝著輸出低電壓大電流方向發展的趨勢,提出多路輸出開關電源新的拓撲優化組合模式? ?有源鉗位正激變換器、同步整流技術、磁放大器。Supervisor point is behind the postposition of power amplifier, optic signals coming from a tap of 99 : 1 enter into optic spectrum scan module, then the power levels which have been calculated by iterative algorithmic are sent to power control module to guide a set of tunable electronic attenuators
此方案將監測點放在後置功率放大器的後面,從分束器中分出99 : 1的光進入光頻譜掃描模塊,傳給功率控制模塊的光功率值經過選代演算法后計算出均衡后的功率值送到功率控制模塊的控制中心去調節電可調節衰減器。Process equipment under different choice of pneumatic or electric implementing agencies, forming an aerodynamic ball valve and electrical ball valve, such as pneumatic ball valve regulated to achieve proportional valve positioner to be allocated, such as the electric ball valve to be regulated to achieve proportional election electronic implementing agencies or distribution of electric servo amplifiers
根據工藝設備不同可選用氣動或電動執行機構,分別組成氣動球閥和電動球閥,其中氣動球閥如要實現比例調節須配閥門定位器,電動球閥如要實現比例調節須選電子式電動執行機構或配伺服放大器等。It integrates the functions of servo amplifier, dynamic operator, position transmitter and remote communication. many new functions have added to its original ones, such as the real - time logical judgment, malfunctions self - diagnosis, alarm & protection, led display, on - line setting and adjustment of functional parameter and position transmitter, power - absence data auto - protection, watchdog system protection, and the long - range communication with pc
系統集伺服放大器、電動操作器、位置發送器及遠程網路式通信功能於一體,在保留對應部分原有功能的同時,還新增了邏輯實時判斷、故障實時監控、 led動態顯示數據、功能參數設置、掉電數據自保護、 「看門狗」電路保護、位置發送器在線調節、與遠程工控機數據通信等眾多功能。If you turn down the volume level of the amplifier too low, the auto power on / off function may activate, causing the subwoofer to enter power saving mode
您如果把放大器的音量電平調得太低,自動電源開關功能即可能會被激活(打開) ,而使副低音揚聲器進入節電模式。The improvement system is made up of the pressure sensor, flow sensor, displacement sensor, electro - hydraulic proportional flow control valve, power amplifier, data gathering board and computer. the platform can carry out testing the hydraulic parameters, processing the tested data, saving the processed data and drawing, adjusting the pressure automatically
改造后的測控系統主要由壓力傳感器、流量傳感器、位移傳感器、比例節流閥、功率放大器、數據採集卡和計算機組成。改造后的實驗臺具有自動採集實驗數據、自動處理實驗數據、自動保存實驗數據、自動調節液壓系統負載壓力等功能,大大提高了實驗臺的工作效率、測試精度和智能化水平。Analogue amplifiers are used to adapt the output signal of dms force transducers to digital displays or downstreamed controlling units
模擬放大器用於調節dms力傳感器的輸出信號,使它適應電子顯示或後接的控制單元。( 3 ). the flattening arithmetic of an edfa was presented based on the inter - correlative function between the gain spectrum function of the edfa and that of the reserve transmission spectrum of the lpfg. for optimal matching between the two spectra, the flattening arithmetic calculates the variation of the resonant amplitude and wavelength of the lpfg
Iii .提出了一種動態增益均衡的平坦演算法,這種演算法的本質就是利用摻鉺光纖放大器增益譜函數和新型長周期光纖光柵的透射譜反轉譜函數的相關性,給出新型長周期光纖光柵諧振峰幅度和位置的調節量,使改變后的新型長周期光纖光柵的反轉譜線能和edfa的增益輸出譜線進行最佳匹配。Due to the component of natural gas is very complex in different zone of our country, the product has taked on special design, it set up moore component factor of thirteen kinds, which offer user to select and setup, so as to satisfy measurement for contains various component natural gas, at the same time established many take - pressure way in order to suit to different measure device, and have automatic calculate and display super - compression factor function
A q型操作器輸出svout : 010ma 420ma 05v 15v信號,可直接驅動執行機構變頻器或再由伺服放大器去驅動電動調節閥門或由電氣轉換器和閥門定位器去驅動氣動薄膜閥。操作器處于自動工作狀態時,其信號輸入svin和操作輸出信號相當於是直通的。以實現dcs系統或調節器對執行機構的自動控制。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實質上是大口徑、高功率負載、透過率連續可調的組合式精密薄膜衰減器,通過調節avm各單元偏轉角度大小來獨立控制住放大器各路的增益。In the thesis, some of the most important functional modules of the pwm power control ics are designed and simulated, including error amplifier, voltage reference, voltage regulator, comparator, and oscillator. the topologies, schematics and layouts of some circuits are introduced and developed
本畢業設計研究和提出了構成pwm電源控制晶元的主要功能模塊,設計了其中主要模塊ip核的多種結構電路並進行了模擬,完成了部分電路的版圖設計? ?包括誤差放大器,基準電壓源,電壓調節器,比較器,振蕩器等。Advanced fpga technology is introduced to improve the integration of digital circuits, and all digital circuits in the original module are integrated in the fpga chips, which could not only reduce the cost, but also improve the reliability and measurement precision of the circuits. high speed digital signal processor ( dsp ) is selected as the coprocessor instead of scm ; it can receive all kinds of commands sent from vxi, analyze and execute the commands, harmonize each section of the module and process the data. higher - conversion - speed comparator chip is adopted to convert the input signals being measured into square waveform signals which could be identified by fpga chip ; it can expand the measurement range of frequency dramatically
本文在原有vxi總線四通道計數器模塊的設計基礎上,通過對原模塊缺陷的分析,採用一些新的技術和新的電子器件來重新設計該計數器模塊:採用最新的fpga技術來提高數字電路的集成度,將原模塊中的所有數字電路全部集成在fpga晶元中,這樣不僅能節約成本,還能提高電路的可靠性和測量精度;採用高速的數字信號處理器( dsp )取代原有的單片機作為協處理器,來接收vxi發來的各種命令,分析命令、執行命令、協調模塊各部分的工作以及對數據的處理;採用轉換速率更高的比較器晶元將輸入的被測信號轉換為fpga晶元能夠識別的方波信號,能極大提高測量頻率的范圍;採用d / a轉換晶元和隔離運算放大器得到隔離通道所需的比較電平,該比較電平值能夠根據實際需求進行設置,能增強模塊的使用靈活性。That the common amplifier count rate is low, temperature voltage drift is very good, the machinery adjustment is rough and instability, in order to overcome these shortcomings ; we use digital potentiometer relay x9511 and precise operational amplifier op37, the electric circuit structure become simple
為了克服一般放大器計數率低,溫漂大,機械調節粗糙不夠穩定等缺點,使用了非易失性數字電位器x9511和精密運放op37 ,使電路結構大大簡化。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。But homemade ratio amplifier still stays the base of step control. the stepless controlling amplifier always depends on the import
但國內在開發比例放大器方面一直停留在檔位式調節基礎上,具有連續調節式的比例放大器多依靠進口。The proportional valve " natural work depends on the accurate setting of the ratio amplifier. so the work parameter must be set before the running of the valve
由於比例放大器與比例閥是一一對應的關系,比例閥的正常工作很大程度上是依靠對比例放大器的準確設定,所以比例放大器中各調節指數都需要經過測試。In the fifth chapter, a new fully differential operational amplifier with voltage and current - mode negative feedback has been proposed, which can stabilize its quiescent operation point, using the characteristic of mos transistors which operate in the triode region acting as active variable resistor, a fully differential fourth - order chebyshev low - pass filter with tunable frequency and bessel low - pass filter with accurate group delay based on r - mosfet - c and operational amplifier has been designed
第五章:提出了一種新的既具有電壓共模負反饋又同時具有電流共模負反饋的全差分運算放大器電路,能較好地穩定電路的靜態工作點,並應用mos管工作在線性區可作有源可變電阻用的特性設計得到了截止頻率可連續調節的高性能r - mosfet - c 、運放結構切比雪夫( chebyshev )和精確群時延值貝塞爾( bessel )低通濾波器。Then research the affect of the system character by the different load stiffness and the relation between load stiffness and the amplifier gain, bring forward a method of adjusting the amplifier gain dynamic to improve the system character
當負載為彈性負載時,研究負載剛度的變化對系統性能的影響和負載剛度與放大器增益的關系,提出了一種動態調節放大器增益以改善系統性能的方法。The value dial makes it a simple matter to adjust amp types and parameter values
價值撥號使得一件簡單的事情,以調節放大器的類型和參數值分享友人