預調制器 的英文怎麼說

中文拼音 [yùdiàozhìqì]
預調制器 英文
pre modulator
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 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...
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 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
  1. For a class of series - wound active power line conditioner the design approach law of a new fuzzy integral sliding mode variable structure control is presented. this method adjusts power electronic switch in order to achieve anticipated balance volt, finally makes active power line conditioner not only possess good robustness of variable - structure control and decrease vibration to the most but also increase the steady state precision. series - wound aplc adopted this control method possesses good dynamic and steady state performance

    針對串聯型有源電網調節器運用變結構控制策略，調節電力電子開關模式，以獲得預期的平衡電壓，對串聯型有源電網調節器提出了模糊積分變結構控制方法，使串聯型有源電網調節器既保持了常規滑模控制強魯棒性的優點，又減弱了滑模控制的抖振，提高了系統的穩態精度，使系統具有良好的動態和靜態性能，模擬試驗表明該控制策略是一種十分有效的控制方法。
  2. In this process, the thesis discusses detailedly the method which can improve the resolving power in measuring component and can deal with the probe circuit, and puts forward the design method of applied circuit. then the thesis discusses the methods of line and circle interpretation

    接著又討論了計算機數控系統的控制策略，主要包括：知道預定軌跡的直線與圓弧插補的方法、連續掃描系統的控制策略、 pid調節器的設計及pid參數的整定方法等。
  3. Neural network control is an important mode of intelligent control, and it is widely used in branches of control science, first, the architecture and the learning rule ( error back propagation algorithm ) of multiplayered neural network which is widely used in control system are presentedo especially, the paper refers to the architecture of diagonal recurrent neural network and its learning algorithm - - - - - recurrent prediction error algorithm because of its faster convergence with low computing costo next, before introducing the neural network control to the double close loop dc driver system, the controllers of current and velocity loop are designed using engineering design approach after analysis of the system, simulation models of the system are created

    神經網路控制是智能控制的重要方式之一，它廣泛應用於自動控制學科各個領域。本文首先敘述了控制系統中常用的多層前饋網路結構及演算法（ bp演算法） ，特別提及了能夠較好描述系統動態性能的對角遞歸神經網路和在用遞推預報誤差演算法訓練drnn時取得了較快的收斂速度。其次，應用工程方法分析設計了tf - 1350糖分離機的電流、轉速雙閉環直流調速系統的控制器，作為引入神經網路控制的設計基礎，並建立了系統的模擬模型。
  4. In chapter three, the all sub - circuits including uvlo, current bias, ldo, oscillator, green mode, slop compensation, power limiting, pwm, ovp, blanking time generator, logic controller are designed and simulated. as a result, all of the sub - circuits are satisfied the requirements

    本文第三章對集成電路內各個模塊包括欠壓保護、電流偏置、 ldo 、振蕩器、綠色模式、斜坡補償、功率限制、脈寬調制、過壓保護、前沿消隱、邏輯控制電路等進行了設計與模擬，且達到了預定的設計目標。
  5. This dissertation is the expanding of the military project of ‘ 95 ’ advance research, a novel multi - modulation technique designing radar signal waveform is introduced on the links with the project of the national natural science fundation of china ( nsfc ), named " produce and process the multi - modulation signal of the sensor with strong detectability and identifiability ". based on the analysis of the equal - probability - distributing fsk / psk multi - modulation signal, we construct a new pseudo - random fsk / psk multi - modulation signal and we design and simulink on the computer the partly - matched processing signal of this signal. the purpose of the design is to construct a processing signal to combine with the pseudo - random fsk / psk multi - modulation signal, so that we could get a strong response of the target

    本論文是『九五』軍事預研項目「低截獲概率雷達波形研究」的擴展與深入，同時結合國家自然科學基金項目「強探測強識別傳感器新型復合調制信號產生及處理」展開。在分析等概率分佈的fsk / psk復合調制信號的基礎上，構造了一種新的偽隨機fsk / psk復合調制信號及其非完全匹配處理的設計及模擬。設計的目的是能對偽隨機fsk / psk復合調制信號進行處理的處理信號，以期獲得對所探測目標信息的強探測。
  6. 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。
  7. It adopts developed predictive model to shorten the predictive time and eliminate the truncation error, adopts range control to avoid the frequent change of inputs, adopts block technology to reduce the dimension of qp, uses performance ratio to make the controller ' s tuning sample and intuitionistic

    該演算法中，作者採用改進的預測模型來減小模型時域與消除截斷誤差，形式上採用區間控制防止操縱變量的頻繁動作。並在演算法中實現了漏鬥技術與block技術，利用性能比來使得控制器調整簡單直觀。
  8. In neuro - element pid and psd controllers if the time delay of the controlled object, is too long, the overshoot of the system will be too high and system even will be unstable. in order to solve this problem, the neuro controller is combined with the smith - predictor. thus the influence of time - delay to control system is overcome effectively

    單神經元pid和psd控制演算法在被控對象存在大時滯時會產生超調，甚至使系統失穩，為了解決這一問題，本文最後將smith預估器引入了單神經元控制器中，從而很好地解決了時滯對系統的影響。
  9. In this paper, we derive predictive models of system and auxiliary system from double constant alterations respectively. the controller based on d - step ahead predictor can locate the closed loop poles at desired positions, whose parameters are adjusted by estimations of plant parameters that are separately estimated. an auxiliary estimator is developed to avoid ill - condition in solving diophantine equation. simulations show that these control systems have better dynamic responses under existence of measurable disturbance

    引入雙恆等變換推導出系統及輔助系統的的d步預測模型，基於估計器的自校正控制器能將閉環極點配置在所希望的位置，它的參數是由與其相互獨立的對象參數調節.提出使用輔助估計器克服丟番方程的病態問題.模擬表明在存在可測干擾的情況下該系統具有良好的動態性能
  10. Abstract : in this paper, we derive predictive models of system and auxiliary system from double constant alterations respectively. the controller based on d - step ahead predictor can locate the closed loop poles at desired positions, whose parameters are adjusted by estimations of plant parameters that are separately estimated. an auxiliary estimator is developed to avoid ill - condition in solving diophantine equation. simulations show that these control systems have better dynamic responses under existence of measurable disturbance

    文摘:引入雙恆等變換推導出系統及輔助系統的的d步預測模型，基於估計器的自校正控制器能將閉環極點配置在所希望的位置，它的參數是由與其相互獨立的對象參數調節.提出使用輔助估計器克服丟番方程的病態問題.模擬表明在存在可測干擾的情況下該系統具有良好的動態性能
  11. The data acquisition and data flow for various sensor carriers are analyzed systematically, and the calculation models are put forward. the model of quantification of wall - loss defects for in - line inspection with ultrasonic pigs has been established. and inspection data can be pretreated with this model, compressed with dpcm technique and treatd by dsp instruments

    建立了檢測頭數據採集量及數據處理速率模型，首次建立了管道壁缺陷液浸超聲檢測的量化分析模型；提出採用該模型進行數據預處理后，採用差分脈碼調制技術進行數據壓縮，採用dsp器件提高數據處理速率。
  12. A virtual cathode oscillator with an axially extracted te10 or te11 mode has been investigated using the pic code. it can emit microwaves axially through an antenna without mode converter or transition waveguide, making the system more simple and compact. the efficiency of this device can be enhanced by employing premodulation cavity, resonant cavity, feedback mechanism, and virtual cathode formed by two electron beams

    本文利用物理分析和粒子模擬的方法研究了軸向提取te10 / te11模虛陰極振蕩器，結果表明通過引入預調制腔、諧振腔、反饋端面、雙電子束陰極等結構，可以實現結構相對緊湊、束波轉換效率較高的軸向提取虛陰極振蕩器。
  13. This method does not need an upper supervision level which is widely used in traditional area traffic control. it is a potentially instructive urban area traffic control method which needs no traffic flow model and only limited communication volume among different traffic intersection controllers. 3

    基於分散式q學習的區域交通協調控制擺脫了一般的帶上層監控的遞階控制模式，無需預先了解交通流模型，各交叉路口控制器之間所需的通信量很少，是一種具有一定潛力的城市交叉路口組協調控制方式。
  14. The problem of control benchmark is solved by the use of hpop, and the problem of constant thrust control is solved by h control theory and pwpf modulator

    本文利用衛星精密軌道預報的結果作為基準軌道，解決了控制基準的問題；利用h _控制理論和pwpf調制器解決了軌控小發動機常推力控制問題。
  15. The main performances of the afm were in the advanced level around the world. the probe unit of the horizontal afm includes a photo - electronic detection unit with a particular optical - beam - deflection path, a regulating block of the setpoint of imaging force, the xy scanner and z feedback controller, the coarse adjusting and fine adjusting mechanism for the sample approaching to the probe tip. the powerful circuits of preamplifier, as well as the circuits of xy scanner and z feedback controller were developed

    成功研製了臥式afm探頭，包括特有的微懸臂偏轉量的臥式光電檢測系統、 afm成像工作點（即原子力的預設置點）的調節機構、 jy }藝掃描與反饋控制器、樣品的粗調與微調機構;自行研製了高性能的psd前置放大電路、 xy掃描控制電路和z向pid反饋控制電路系統;設計了a / d & d / a控制介面，獨立開發了性能完善的afm掃描與控制軟體系統及功能強大的圖像處理軟體系統。
  16. The author designed and developed a single phase mid - frequency inverter control unit, which is based on dual micro - processor system. the inverter is modulated by pre - set spwm pulse width wave

    本文研製出一種基於雙微處理器（ mpu ）控制的單相中頻逆變電源控制裝置，逆變電路基於開關預置spwm波脈寬調制。
  17. The designed bus controller performs perfectly in the phase of system test. especailly, the communication between bc and psp ( power system processor ) is very successful

    所設計的匯流條控制器功能完善、性能穩定，並實現了與電源系統處理機的聯調，達到了預期的設計目的。
  18. 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。
  19. Pre - equalizer is an option in the design of modulator, but it is always used in order to improve the quality of the if - signal

    內插在調制器中的應用為方案良好的適應性提供了保證。第五章給出了變帶寬預均衡的實現方案。
  20. After the spatial light modulator was made by the choice material, the expected optic purpose of device designing is validated. and, the influence from each physical factor on optical result turns out in this course, the best working point was made too. it can bring principle reference to the further design and apply of device

    繼而，作者根據用所選材料製作出的空間光調制器成品，通過實驗驗證了原理中預期的光學效果，並且得出了各物理參數對光學結果的影響關系，確定出器件最佳的工作點，為器件的進一步改良和實用研究奠定了基礎。
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