shift circuit 中文意思是什麼

shift circuit 解釋
移位電路
  • shift : vt 1 變動;改變;搬移;移動;轉移;變換;替換;更換。2 推卸;轉嫁。3 消除;撤除。4 【語言學】變換...
  • circuit : n 1 (某一范圍的)周邊一圈;巡迴,周遊;巡迴路線[區域];迂路。2 巡迴審判(區);巡迴律師會。3 【...
  1. A complementary input stage, which consists of a p - channel pair and a n - channel pair, was used in the circuit, so that the common mode input range can extend from rail to rail. a dcls is used to shift the n - transistor curve leftward to overlap the p - transistor curve properly and keep constant transconductance in the whole common mode input range

    輸入級採用pmos差分輸入對和nmos輸入差分對並聯的結構,從而實現共模輸入范圍擴大到電源的正負兩端,並且通過兩個源級跟隨器平移nmos輸入管跨導曲線,使nmos輸入管和pmos輸入管跨導曲線的適當交疊,從而保持了這個輸入級的跨導在整個共模輸入范圍內保持恆定。
  2. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發,提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲,在調制系數0 . 1 m 0 . 5情況下,控制移相角按正弦規律變化,使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號,經過整流、濾波、低頻逆變,從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載,移相全橋具有超前橋臂零電壓開通,滯后橋臂或者零電壓開通( _ 0 )或者零電流關斷( _ 0 )的軟開關特性,而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  3. An analytical mosfet threshold voltage shift model due to radiation in the low - dose range has been developed for circuit simulations. experimental data in the literature shows that the model predictions are in good agreement. it is simple in functional form and hence computationally efficient. it can be used as a basic circuit simulation tool for analysing mosfet exposed to a nuclear environment up to about 1mrad. in accordance with common believe, radiation induced absolute change of threshold voltage was found to be larger in irradiated pmos devices. however, if the radiation sensitivity is defined in the way we did it, the results indicated nmos rather than pmos devices are more sensitive, especially at low doses. this is important from the standpoint of their possible application in dosimetry

    該模型物理意義明確,參數提取方便,適合於低輻照總劑量條件下的mos器件與電路的模擬。並進一步討論了mosfet的輻照敏感性。結果表明,盡管pmos較之nmos因輻照引起的閾值電壓漂移的絕對量更大,但從mosfet閾值電壓漂移量的擺幅這一角度來看,在低劑量輻照條件下nmos較之pmos顯得對輻照更為敏感。
  4. High - qualified designers and engineers of chaowei are able to provide various high - qualified design services such as ic software program, circuit board, product appearance, products structure, and product package, etc. the factories directly under chaowei have advanced production abilities including mould making, inection moulding, surface spray - painting, silk - screening, shift - screening, smt, welding and assembling, quartz clock core production, and quality check and assurance. chaowei held many design patents and utility model patents, at the same time, national clock and watch quality certification, national technical supervision bureau certification, usa fcc and astm security authentication, canada ic, and euro ce are achieved, the rich experience in oem and odm can ensure high quality products and professional service

    超維公司擁有一批高素質的專業設計師和工程師,有能力為國內外客戶提供包括ic軟體編程線路板設計產品外觀設計產品結構設計產品包裝設計等多方面高水準的設計服務超維的直屬工廠則擁有模具製造注塑成型表面噴漆絲印移印smt焊接裝配石英鐘機芯製造品質檢驗測試等先進的生產能力超維公司的產品擁有大量的外觀設計專利和實用新型專利,同時獲得了國家鐘表質量檢驗中心的合格證書國家技術監督局檢驗合格證書美國fcc認證和astm安全認證加拿大ic認證歐盟ce認證。
  5. First, based on the analysis of the design method of two - valued shift counter, we use the multivaled circuit ' s property of high information density to put forward the design method of three - valued shift counter. by using this method module - n three - valued shift counter can be designed. and by selecting the best design method, the simplest circuit of control logic can be made

    首先,在分析二值的移位計數器的設計方法的基礎上,利用多值電路的高信息密度,提出了三值移位計數器的設計,運用該方法可以設計任意狀態的三值移位計數器,並且通過選擇最佳設計方案使控制邏輯電路最簡。
  6. The circuit has good characteristics and is applied in ect system. 3 ) the influence of stray capacitance on the c / v circuit is discussed, according to its conclusion, the appropriate component, parameter and phase shift is find out

    分析了雜散電容對c v變換電路性能的影響,並以此為依據選擇合適的器件、電路參數及適當的相移調整,解決了雜散電容給電路帶來的影響。
  7. Secondly, the encoder circuit of quasi - cyclic which can realize low encoding complexity are designed and implemented. three encoder circuit are designed respectively with feed shift - registers and logic gates : sraa - based serial qc - ldpc encoder ; sraa - based parallel qc - ldpc encoder ; two - stage qc - ldpc encoder

    採用反饋移位寄存器與邏輯門設計了三個典型的編碼器電路:基於sraa電路的串列準循環ldpc碼編碼器;基於sraa電路的并行準循環ldpc碼編碼器;二階編碼電路。
  8. 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。
  9. In this paper, a simple and practical circuit for laser diode modulation is presented, the principle circuit and the principle of choosing component are given, at last, application in sine wave modulation in non - cooperative target phase shift laser rangefinder is introduced

    本文介紹了一種簡單有效的半導體激光器調制電路,給出了電路原理圖,元件的選擇原則,最後介紹了在非合作目標相位式激光測距系統中實現正弦調制的應用。
  10. A novel high - power pollution - free smps is presented in this paper, which accomplishes simultaneously the goal of soft - switching pwm, the input / output isolation, the output voltage regulation and three - phase pfc with a single - stage power processor and simple pseudo - phase - shift control circuit. therefore, compared with the normal two - stage system, the single - stage power supply has simpler structure, lower cost, higher efficiency and easier to control. the proposed smps can be used in the three - phase power system, and can output high power over kw - order and input / output ( i / o ) isolation dc power supply

    本文提出的新型無污染大功率開關電源正是採用三相三線制輸入電源,利用單級偽相移零電壓零電流開關脈寬調制( pps - zvzcs - pwm )全橋變換器完,成功率因數校正( pfc )和輸出電壓快速調節、隔離的雙重功能,並且該變換器開關管在零電壓或零電流下通斷,顯著的減小了emi 。
  11. The temperature of the f - p cavity is accurately controlled by a set of thermoelectric cooler ( tec ) modules attached on the body of the cavity and the electronic feed - back circuit. we found that the long - term unidirectional frequency shift of the output laser resulting from the slow increase of the cavity length under the effect of the temperature integration on the cavity body is essentially eliminated

    因此,往往有多臺f ? p腔出現在同一個實驗裝置中本文利用珀耳帖元件,對穩頻系統中作為頻率參考標準的fabry ? perot干涉儀進行精密控溫,並利用f - p腔的透射特性,對自製的全固化單頻nd : yvo _ 4激光器穩頻。
  12. Thus the principle to deal with the four basic waveforms is put forward and a new phase - demodulation circuit is designed. experiments for the two circuits on same gyros are made and they indicate clearly that the mdrlg ' s null - shift problem consists in the faultiness of the old phase - demodulation circuit

    在此基礎上,提出了處理計數信號過鎖區波形的基本原則,進而設計了新的鑒相電路,並在同一陀螺上對兩鑒相電路進行了對比實驗。
  13. Referring to a plentiful literature all over the world, it chooses a full - bridge shift phase converter circuit topology with a capacitance can insulate direct current and an saturation inductance in the origin side

    在參閱了大量國內外文獻的基礎上,選取了一種原邊加隔直電容和飽和電感器的單相全橋移相軟開關變換器拓撲結構。
  14. Controlling system is composed of drive circuit, locking memory, shift register. temperature compensating circuit and drive power circuit are also needed

    控制系統是由驅動電路、鎖存器、移位寄存器等組成,此外還需要溫度補償電路和驅動電源電路,本文對控制系統進行了詳細的論述。
  15. The load - control apparatus adopted a single - chip microcomputer system, whose mcu was a kind of high - speed processor - ds80c320, whose a / d switched apparatus was max180, whose low - pass filter was max293, whose f / v transformed circuit was lm331, whose controlled silicon phase - shift touch - off circuit was tca785, and whose communicating interface of rs232 was max202. the watchdog of the mcu was max705 and the system used an on - off electrical source to supply power

    球磨機負荷控制儀採用了單片機系統, mcu採用ds80c320高速處理器,採用max180作為md轉換器,低通濾波器為max293 , f v轉換電路利用lm331 ,可控硅移相觸發電路使用tca785 , rs232通信介面晶元採用max202 , mcu監控電路為max705 ,系統使用開關電源供電。
  16. The basic operation principle of phase - locked frequency synthesizer and the type of circuits are expatiated systematicly in this paper. the principle of operation on sampling phase detector and some characteristics including the linear tracking and phase noise in phase loop circuits are analyzed deeply. the research is emphased on the theory and design method of circuits in the sampling phase - locked frequency synthesizer. then, the expansion capturing circuit is analyzed and designed for better performance of capturing loop circuits. at last, the loop filter is also analyzed and contrived taking account of effection of additional phase shift by the sampling - holder. the general research on the theory and technology of sampling phase lock in the paper will make a basement for the development of new product

    本文系統的闡述了鎖相頻率合成器的基本工作原理及電路類型;較深入地分析了取樣鑒相工作原理及電路、鎖相環路的線性跟蹤特性和相位噪聲特性;重點對取樣鎖相頻率合成器電路理論和設計方法進行了研究;為了改善環路的捕獲性能,對擴捕電路進行了分析和設計,並用wewb32軟體對電路進行了模擬;考慮到取樣保持器的附加相移影響,對環路濾波器進行了分析和設計。
  17. By studying the parameter shift of component, a new method that build inverter ' s model by circuit ' s topology and parameters has been applied in rc system

    通過分析元件參數變化的影響,提出在重復控制系統中可以直接根據電路拓撲和參數建立逆變器模型的觀點,簡化了建模的工作。
  18. This paper goes on with analysis of the phased array radar calibration theory and compare of different schemes, then the best is adopted. 2 mhz digital circuit mainly composed of dds ( direct digital synthesis ) chip, which carries out the shift of the phase and the limit of the amplitude, has been designed and debugged successfully. it is used to substitute for the conventional phased shift circuit and amplitude limiting circuit which work at the radio frequency, so the all - digital transmit channel of phased shift array radar is achieved

    本論文研究的重點是:針對傳統相控陣雷達系統收發( t r )組件中的移相和限幅功能均在射頻段完成,大膽利用直接數字合成( dds )晶元組成頻率在2mhz左右的數字電路代替傳統相控陣雷達在射頻段進行移相和限幅的電路,從而組成全數字發射通道,使對相位和幅度的控制和調試更方便快捷,並設計具體的電路驗證此方案的可行性。
  19. Using process control monitor ( pcm ) to control process parameters, we fabricated the monolithic phase shift circuit chip

    在gaasmmic工藝線上制備單片移相器電路,使用工藝控制圖形( pcm )監控工藝過程。
  20. The clock and data pulsation signals from upper sensor heads can be received using pin diode, then, amplified and inverted in logical control unit for the purpose of cpu operation. hereinafter, the digital signal will be delivered into the central processing unit ( cpu ) for related calculation, and meanwhile transmitted to a d / a converter for signal recovery after filter and phase - shift circuit

    通過採用pin管接收從傳感頭傳遞下來的時鐘脈沖和數據脈沖信號,並將它們放大整形傳送到邏輯控制單元,產生邏輯控制信號,再將數字信號傳送給d / a轉換器,設計了濾波器和移相器電路,還原出了原始的被采樣信號。
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