補償放大器 的英文怎麼說

中文拼音 [chángfàng]
補償放大器 英文
cancellation amplifier
  • : Ⅰ動詞1 (修理; 修補) repair; mend; patch 2 (補充; 補足;填補) fill up; add supplement; supply; ...
  • : 動詞1. (歸還; 抵補) repay; compensate for 2. (滿足) meet; fulfil
  • : 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
  • 補償 : compensate; make up; make up for; make it up to sb. ; make sth. good; compensation; offset
  • 放大器 : amplifier; pantograph; lawnmower; enlarger; magnifier
  • 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
  1. The way of taking one nth out of capacitor ' s the first harmonic capacitive reactance as its nth harmonic impedance is verified whit the data from tang7c. according to the approximately estimating method, the first harmonic impedance of 220kv system is calculated. on the basis of the models, this paper gives the harmonic equivalent circuit of substation and gives the b ( n ) function of the harmonic time n. when the capacitors has different combination, b ( n ) ' s value will also change, with the inputting local measurement data, the paper studies the series and parallel resonance at the substation, and deduces that the reason the capacitor ' s fuse of tang6c is frequently interrupted is that its capacitor current contains a large number of 5th harmonics, and that the reason the discharging pt of tang7c capacitor being exploded is also that the 7th and 9th harmonic currents are amplified

    據此,對該站進行了串聯諧振分析和並聯諧振分析,並結合測試數據和有關變電站的運行記錄,指出了導致該站電容湯6c頻繁燒保險的主要原因是5次諧波電流含量偏高,引起湯7c電pt爆炸也是因為7次和9次諧波電流被。針對這些導致湯陰變電站電容故障的原因,提出了相應的諧波治理措施,包括針對湯6c電容5次諧波電流含量偏高的原因,提出了停運湯6c電容或者通過把湯sc電容的部分容量併入湯6c電容(湯sc其餘部分停運)以增加湯6c諧波承受能力的措施;針對# 2變低壓側7次和9次諧波電流被的現象,提出了在湯7c電容上加裝一定百分比的串聯電抗的措施。
  2. 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方法;對儀表和a d轉換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
  3. Second, the results of theory analysis and simulation research show that the output of one cycle controlled bridge switching power amplifier have dc offset because of the nonideal characteristic of reset signal. the magnitude of output dc offset voltage is proportional to width of reset pulse. a voltage compensation technique is used to solve this question, and the computation formula of compensation voltage is gived. the circuit compensated and not are researched through simulation and experiment, which results show that compensated circuit solve the output dc offset effectively

    其次,理論分析和模擬研究結果表明,由於復位脈沖的非理想特性,單周控制的全橋開關功率輸出端存在直流偏置問題,其小與復位脈沖的寬度成正比。針對輸出直流偏置問題,提出了電壓的改進方案,給出了電壓的具體計算公式。對前和后的方案進行了對比模擬研究和實驗研究。
  4. At last, control circuit of one cycle controlled bridge switching power amplifier is improved with the basic idea of one cycle control. the simulation results show that the amplifier of improved control circuit not only solve the question of output dc offset, but also keep the voltage gain lowered by voltage compensation technique

    最後,根據單周控制的基本思路,改進了單周控制的全橋開關功率的控制電路。模擬結果表明,改進控制電路后的系統不但解決了輸出直流偏置問題,而且解決了電壓方法所造成的增益下降問題。
  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電路設計,在對數加入了溫度電路和抗干擾電路,以保證測量精度和較的量程,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. 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,技術,種類繁多的物理系統應用,運算的內部和外部,能量轉換系統的建模和,以及鎖相環。
  7. 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技術、誤差輸出嵌位技術以實現良好信號特性;採用分段斜坡技術,消除不穩定因素,並最程度地減小過帶來的問題;採用外接輸出采樣電阻的方式,實現輸出電壓的可編程。
  8. The predistortion, which aims at compensating for the nonlinear distortion caused by the power amplifier, has a good performance in eliminating the nonlinear distortion of am / am & am / pm, improving the aci and spectrum efficiency

    預失真技術是針對射頻功率非線性而提出的一種技術,可以有效消除由非線性造成的傳輸信號的幅度和相位失真,降低信號鄰道干擾( aci ) ,提高頻譜利用效率。
  9. The results indicate that the soliton amplitude slightly decreases in the border between the single - mode fiber ( smf ) and the dispersion compensation fiber ( dcf ), but and its shape remains unchanged, while its signal amplitude is amplified when it passes an amplifier and its shape automatically restored

    研究表明,在普通光纖與色散光纖的交界處,孤波的幅度有所降低,但其形狀保持不變;光孤子通過后其幅度得到,其形狀將自動得到恢復。
  10. 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;在中間增益級設計中,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,為了提高效率,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技術對運進行頻率
  11. In addition, we designed the sensor to cancel out noise that might be generated by different components, from the pixel amplifier, which strengthens the signals, to the memory and switches

    我再充一點,我們的設計使得傳感可以其它部分可能產生的噪音,從信號的像素到內存和轉換等。
  12. Experimental research of dispersion compensation distributed fiber raman amplifier

    色散型光纖拉曼的增益和噪聲指數的實驗研究
  13. According to the principle of correlation detection, an automatic measurement system for extinction ratio of polarizer consisted of monochromator and dsp lock - in amplifier and compurer is designed not only to eliminate the influence on measurement accuracy caused by drift of intensity of light source but also to obatain approximate extinction spectrum

    摘要基於相干檢測原理設計了一套由單色儀、數字鎖相和計算機聯合使用的透射式偏光鏡消光比智能化測試實驗系統,採用雙頻雙光路分光單探測接收鎖相分離信號比對法進行源測量,克服了光源光強漂移所帶來的影響;實現了可見光區消光比的精確自動測量,而且可以測得近似的消光光譜。
  14. In order to design the parameter of error amplifier, the small signal model is derived for arc welding inverter using state - space averaging, and frequency - domain analysis is performed to complete the parameter design

    為了設計控制系統中誤差的參數,利用狀態空間平均法建立了電源系統的低頻小信號數學模型,進而利用控制理論中的頻域分析法設計了系統的網路,即誤差的參數。
  15. Battery is the only power source for portable equipment. in order to prolong the service time of these battery - operated equipments, ultra - low - power consumption is demanded. the main method that decreases the power losses is to higher the conversion efficiency and to lower the operating voltage

    開關變換內包含了帶隙參考電壓源、誤差、頻率電路、三角波產生電路、 pwm比較以及數字邏輯控制電路,此晶元採用聯華電子公司0 . 6微米cmos工藝。
  16. The combined motor vibration sensor which is held manually with double charge amplifier placed inside and with frequency compensating circuit is designed based on the existed press - electricity accelerator of vibration and the measuring vibration system of charge amplifier in the paper

    本文在現有振動壓電式加速度計、電荷測振系統的基礎上,設計了手持式內置微型雙電荷和頻率電路的一體化發動機振動傳感
  17. Which include magnetic - field probe, wide - band amplifier, transmission cable and its compensator

    該系統包括磁場測量探頭、寬帶信號、信號傳輸電纜和等。
  18. Automatic slope control. a device which automatically changes the slope of an amplifier ' s curve to compensate for temperature changes

    自動斜率控制。自動改變曲線斜率以溫度變化的一種設備。
  19. The second is that sensor is compensated and amplifier is improved

    2 )改進綜合法。
  20. The experimental results show that the fiber phase conjugator can compensate for the beam distortion cased by thermal effects of amplifier and 60 % sbs reflectivity can be reached

    實驗結果表明,光纖相位共軛鏡能很好補償放大器熱效應造成的光束畸變,在100hz時獲得近60的sbs反射率。
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