饋入信號 的英文怎麼說

中文拼音 [kuìxìnháo]
饋入信號 英文
fd feed
  • : 動詞(饋贈) make a present of
  • : Ⅰ動詞1 (進來或進去) enter 2 (參加) join; be admitted into; become a member of 3 (合乎) conf...
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  1. From the simulation results, we can see that, for the presented cmos preamplifier - latch comparator, its transfer delay time is 231ps, and the power dissipation is 118. 6 w

    時,其回噪聲對輸和電阻串參考電壓產生的毛刺峰值分別是6 . 35mv , 1 . 57mv ;各級子adc的總功耗為5 . 57mw 。
  2. The sample and hold circuit is employed by the bottom plate sampling technique, which could not only cancel the charge injection error but also eliminate the effect of clock feed - through

    采樣保持電路設計採用了電容下極板采樣技術,不僅有效地避免了電荷注效應引起的采樣失真,而且消除了時鐘通效應的不良影響。
  3. At the same time, considering slow - varying character of fire signal, feedback cybernetic thought and holding time of fire signal is introduced into fire detecting three - layer structure realizing method in this paper. thus better reaches the aim of early warning and reducing mis - warning

    同時又考慮了火災的漸變特性,將控制論的反思想和火災持續時間也引到火災探測演算法上,更好地達到了提早報警和降低誤報警的目的。
  4. The mrafc scheme employs a reference model to provide closed - loop performance feedback for generating or modifying a fuzzy controller ' s knowledge base. the adaptive compensation term of optimal approximation error is adopted. by theoretical analysis, the closed - loop fuzzy control system is proved to be globally stable, with tracking error converging to zero

    該方案利用參考模型作為閉環系統的反來產生、調節模糊控制器的規則庫,並通過引最優逼近誤差的自適應補償項來消除建模誤差的影響,不但能保證閉環系統穩定,而且可使跟蹤誤差收斂到零。
  5. Become a kind of new electronics circuit - current - mode circuit. it is replacing the traditional design method of the voltage - mode in the high frequency high - speed signal processing realm 。 this thesis mainly discussed the modified second - generation current conveyors based on the current - mode kinds of new cuicuit components, they are stronger modified standard current - mode parts in fuctions on this foundation. mainly including the modified differential difference current conveyor ( mddccii ) 、 the fully balanced second generation current conveyor ( fbccii ) 、 ( full balances ) four - terminal floating nullor ( fbftfn ) and the current differencing buffered amplifier ( cdba ), they are all function very strong standard current - mode parts, they all can provide some circuit functions of better than general operation amplifier, because they have the voltage importation and the current importation, therefore use it since can carry out the voltage - mode signal processing circuit expediently, can also carry out the current - mode signal processing circuit expediently, and have to increase the benefit bandwidth to accumulate more widely than the voltage - mode, but have their advantages more according to the current - mode filter of the modified current conveyor, because it constitutes in brief, the filter wave function is stronger and they are better than in general use operation amplifier of many advantages, be easy to composing for example 、 high speed 、 frequency bandwidth 、 the power supply voltage requests low 、 consume small, the impedance is different from etc. advantages, otherwise they have biggish dynamic range, and flexible circuit synthesize, so they are the best active parts

    從第二代電流傳輸器ccii手,重點研究了以下幾種改進型的第二代電流傳輸器:改進的差動差分電流傳輸器mddccii 、全平衡第二代電流傳輸器fbccii 、多輸出四端浮地零器ftfn 、全平衡四端浮地零器fbftfn 、電流差分緩沖放大器cdba的電路結構及其模型。然後在此基礎上系統地研究了基於這幾種改進型的第二代電流傳輸器的濾波器的設計方法,主要方法和結果如下:利用mddccii設計了差分式連續時間電流模式低通、帶通濾波器;電流模式跳耦結構考爾低通濾波器;利用fbccii設計了帶通二階節濾波器及電流模式雙二階通用濾波器;設計了基於多輸出端ftfn的電流模式二階通用濾波器電路;通過數字化開關選擇的基於fbftfn的電流模式通用濾波器;設計了基於最少個數電流緩沖放大器(兩個cdba )的多功能通用電流模式濾波器及其在非理想因素情況下分析。設計濾波器的主要方法是採用級聯設計、運算模擬(流圖法)和反設計(跳耦法) 。
  6. Also it is discussed how to improve loading performance and the actual results using invariance theory. by the feedforward signals of velocity and acceleration, it is expected to expend the bandwidth to 15hz or even higher and reduce the additional torque at 80 percent. in this thesis, i mainly explored the design theory of ehsls and made a lot of experiments on subsystems and the whole system

    本文的目的就是設計、調試帶有彈簧桿緩沖結構的單通道電液伺服加載臺,通過試驗比較、驗證不同控制演算法的工程實際效果;分析和研究應用結構不變性原理如何改善加載系統的動態性能,目的是通過引速度和加速度的復合前將系統的動態頻帶提高到15hz左右,並且有效的抑制力加載系統固有的多餘力矩,抑制比要達到80以上。
  7. This dissertation presented two new methods of robust adaptive track control for a class of mimo strong nonlinear system with external disturbance. one method makes use of taylor approximation principle to linearize the mimo strong nonlinear system at the ideal equilibrium point, meanwhile external disturbance is considered, and then designs two on - line neural network controller respectively, which can dynamically compensate the high order items of taylor series and the control signals at ideal equilibrium point under the drive of state error between linear and nonlinear system. a linear feedback controller obtained by pole assignment and two on - line neural network act on the practical mimo high nonlinear system together, guaranteeing the whole system robust stable and tracking the specified signal ; the other method designs three on - line neural networks for this class of system

    本文對於一類含有外部擾動的多輸多輸出( mimo )強非線性系統,提出了兩種新的魯棒自適應跟蹤控制方法,第一種利用了taylor近似的原理,在考慮了外部擾動的情況下,將mimo強非線性系統在理想平衡點處線性化,分別設計了兩個在線神經網路控制器,在線性和非線性系統之間的狀態誤差驅動下動態補償系統的taylor近似高階項及理想平衡點處的控制,滿足極點配置方法的線性反控制器和兩個在線神經網路聯合作用於實際的被控mimo強非線性系統,在保證整個系統魯棒穩定性的情況下,能夠跟蹤給定的指令;另一種方法是針對這類系統設計了3個在線神經網路,分別實時抵消這類非線性系統中的非線性部分、與控制量耦合的非線性項以及外部擾動,使得受控系統的輸出可以完全跟蹤給定輸參考
  8. By building the antenna at a location with a poor effective conductivity of the ground, and by grounding the ends of the feedline / antenna, the signal is forced deep down into the earth, making the earth itself the effective radiating element

    通過將天線建造在低導電性的地點,並且將線/天線的終端接地,被迫深地球,使得地球本身成為一個有效的輻射單元。
  9. The auxiliary signal is injected into antennas from the ports of antennas in the first calibration project for channels uncertainty. this thesis studies the least squares ( ls ) algorithm, the subspace - based algorithm and the correlation algorithm based on the mentioned project

    通過理論研究,確定基於有源方式的兩種天q線陣列校正方案:一種是從天線電口注輔助,另一種是從空中注輔助
  10. The proposed control system includes the attitude controller acting on the rigid hub, designed by using pulse - width pulse - frequency ( pwpf ) modulation integrated with command shaping technique based on csvs method, and the piezoelectric material elements as sensors / actuators bonded on the surface of the beam appendages, designed by the optimal positive position feedback ( oppf ) control technique, in which the selection of ppf gains is determined via introducing a cost function to be minimized by feedback gains which are subject to the stability criterion at the

    設計的控制器僅利用輸出息,從而避免設計撓性模態狀態觀測器以及引狀態觀測器誤差;在此基礎上,採用分力合成方法設計命令成形控制器來抑制撓性附件的振動,設計的優化命令成形控制在理論上可以對系統的各階撓性模態完全抑制。但考慮到模型不確定性和外部擾動,在內迴路又設計了最優正位置反( oppf )補償器以增加撓性結構的阻尼,使撓性結構的振動能夠很快衰減。
  11. The methods of determination bipolar inputting control signal, optic - electron coder feedback signal connecting with mcu, dimension ' s unity of inputting signal between feedback signal, zero position orientation, and logical drive are proposed and realized

    提出並實現了系統雙極性輸控制采樣、編碼器反與單片機介面、輸與反的量綱統一化、零位定位、以及邏輯驅動等處理方法。
  12. First of all, based on the administration function chart of cangzhou area, a simple closed loop control system model was abstracted, and through theory analysis of the model ' s input signal, controlled object, feedback facility, controller and system disturbance, the difference between this model and common model was showed and the characters of cangzhou area ' s sustainable development system were discussed

    以滄州區域行政運行圖為背景,抽象出一種簡單的閉環控制系統模型,並對該模型的輸、被控對象、反裝置、控制器和系統干擾等特徵進行理論分析,說明該控制模型與普通控制模型的區別,以及滄州區域可持續發展系統的特點。
  13. The simulation data of the flexible projecting beam with different crack flaw is different. so we can build bp neutral - work to identify the position and the length of the crack in the flexible projecting beam by the simulation data. the input vector of bp neutral - work is the simulation data becomes, the training object is the position and the length of the mapping crack

    Bp神經網路是一種多層的前型人工神經網路,可實現從輸到輸出的任意非線性映射,所以選取bp神經網路可以有效地實現從觀測到裂縫所處位置以及裂縫長度的非先行映射,以達到對柔性懸臂樑上裂縫缺陷的智能診斷。
  14. To improve the accuracy of the model, the temperature signal detected behind roughing rolling unit is used as a feedback to modify the prediction

    為了提高模型精度,作者在論文中提出引粗軋機后的鋼坯溫度實時檢測作為反修正鋼坯溫度預報。
  15. When laser diode illuminates the rough surface moving transversally across the light beam, the feedback light forms the random speckle due to the random pattern of the target surface, causing random fluctuations in the laser output, which is called as self - mixing speckle interference

    結合自混合和散斑的原理,將散斑現象引半導體激光器。讓半導體激光器的光學反來自垂直地照射的粗糙表面,把光強調製成為隨機的散斑
  16. In the condition of feedback sensor failure, the fault tolerant control is also deeply researched in this paper. when feedback sensor is in failure, the system could do the real - time estimation through the detected data of the fault sensors and feedback the signals, thus fault tolerance is achieved

    文章深研究了控制系統在反傳感器故障情況下的容錯控制問題,當反傳感器發生故障時,該系統可以對失效傳感器的檢測數據做出實時估計並反,從而達到對傳感器故障容錯的目的。
  17. In allusion to the coupling influence to system accuracy, this paper brings forward using dynamic robust compensation based on decoupling control. simulation experiments to prove its validity. in allusion to the performance index of simulation table, such as low velocity, high frequency response, high accuracy, etc, this paper analyzes pid control, acceleration feedback, velocity feedback, input signal differential feedforward, and employs compound control strategy including pid control, velocity feedback, position feedback and input signal differential feedforward,

    針對模擬轉臺低速、高頻響、高精度等性能指標的要求,分析了pid控制策略、加速度反、速度反、輸微分前等控制方式,採用pid控制與速度反、位置反以及輸的微分前結合起來的復合控制策略,充分利用反和前的優勢,對轉臺的位置伺服系統進行研究。
  18. Input shaping is a feedforward control technique for reducing vibrations in computer controlled machines. the method works by creating a command signal that cancels its own vibration

    成型是一種減小自動化控制系統中的余振的前控制技術,它通過改變參考輸的形狀來消除系統撓性帶來的振蕩。
  19. Based on the reference [ 22 ], the dynamical modeling converters for hvdc system have been transformed to a nonlinear system represented by input - output model with unmodeled dynamics and bounded disturbances, and a robust adaptive output - feedback nonlinear controller is designed. the controller counteracts the uncertain dynamic nonlinearities and bounded disturbances by nonlinear damping terms, and unmodeled dynamics by a dynamic signal

    本文在文獻[ 22 ]的基礎上,對高壓直流輸電系統換流站動態模型進行變換處理,將其化為一類具有含未建模動態和有界擾動的輸-輸出非線性系統,並設計了一種魯棒自適應輸出反控制器,利用非線性阻尼項來抑制系統的動態不確定性和有界擾動,引一動態來抑制系統的未建模動態。
  20. In this control scheme, the voltage error is processed by pi algorithms first, and then the current of the capacitor which equal to the differential of the voltage is imported to compose a two - loop control

    該方案先對輸出電壓誤差進行pi調節,在此基礎上引相當于輸出電壓微分的電容電流反構成雙環控制,使逆變器輸出電壓具有良好的靜態特性和動態特性。
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