頻率反饋 的英文怎麼說

中文拼音 [bīnfǎnkuì]
頻率反饋 英文
frequency feedback
  • : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : 率名詞(比值) rate; ratio; proportion
  • : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : 動詞(饋贈) make a present of
  • 頻率 : frequency; rate
  1. Study of the impulsion frequency of self - feedback hydraulic impulsion tool

    式水下液壓沖擊器沖擊的確定
  2. It is discoverde that with a looped feedback circuit, the dds acousto - optic mode locking has the function of tracking the frequency interval of the laser resonator longitudinal mode, and stabilizing the quality of the laser beams

    Dds聲光鎖模器在增加閉環環路后,可以跟蹤激光諧振腔縱模間隔變化,穩定激光光束輸出質量。
  3. This text divides into five chapters altogether : chapter one in the introduction, have introduced the common sensor of displacement, has pointed out the fine characteristic of hall ' s sensor, put forward the basic task ; chapter two have introduced the basic operation principle of hall ' s component ; chapter three introduce hall temperature performance, electromagnetic characteristic, zero error, frequency characteristic and these parameter commonly used compensation method and hall simple application of component ; chapter four having recommended the measurement principle of the feedback servo mechanism, systematic implementation method, the experimental result has appeared, structure the mathematics model, and has analysed the error ; chapter five have pointed out the developing direction in the future while looking forward to

    本文共分為五章:第一章緒論中,介紹了常見的位移傳感器,指出了霍爾傳感器的優良特性,提出了基本任務;第二章介紹了霍爾元件的基本工作原理;第三章介紹了霍爾元件的溫度性能、電磁特性、零位誤差、特性以及這些參數常用的補償方法和霍爾元件的簡單應用;第四章介紹了隨動機構的測量原理,系統的實現方法,給出了實驗結果,構建了數學模型,並對誤差進行了分析;第五章展望中指出了今後的發展方向。
  4. In audio, a very low frequency oscillation often resulting from a positive feedback path in an amplifier system

    在音響設備中出現的振蕩極低的低振蕩,常因放大系統的正迴路引起。
  5. In the full of research, the thesis constructed the dynamic equations of the simplified model, then programmed and computed the feedback gains using lqr method. moreover, the thesis plotted pictures of displacement, velocity, acceleration, bend and shearing force of ship ' s head and middle part in the condition of using cable and not using cable

    在研究工作中,首先對船舶的簡化模型建立了動力學方程,然後採用線性二次型最優控制方法,編寫程序並計算出船體垂向振動固有和最優矩陣,得到控制前後船艏以及船舯部的位移、速度、加速度、彎矩和剪力歷程圖。
  6. In the section of experiment, we focused on the research of optical system of optical parameter oscillation, computer controlling data sampling closed - circuit system and technology of computer controlling feed - back. in the section of optics, we used present condition to do the experiments about optical parameter effect and got a series of characteristic curve on power transition efficiency and output power

    本文的實驗部分主要側重於智能化光參量系統的光學部分、計算機控制數據採集閉環系統以及計算機控制技術的研究。在光學部分,本論文利用現有實驗條件進行了參量振蕩器調諧的研究,得到了調諧曲線,並做了輸出參量光的能量轉換效以及輸出功的實驗,得到一系列特性曲線。
  7. The topologies family include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits. taking full - bridge mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy of the converter are investigated. the output characteristic curve, the design for the key circuit parameters and the reference sinusoidal circuit which is synchronous with the signal of n or 1 / n times line voltage frequency are given

    該電路拓撲族包括單四象限功開關式、推挽式、半橋式、全橋式電路,以全橋式電路為例分析研究了這類換器工作模式、穩態原理與電壓瞬時值控制策略,給出了變換器的外特性曲線、關鍵電路參數、與電網電壓n倍或n分信號同步的基準正弦電路的設計。
  8. A analysis of these effect to the pattern is presented. in the mean time, the method of correcting the phase errors is given by shortening or lengthening the section of sinuous feed line between couplers from the normal value. 6. the reflection characteristic of a serpentine is analyzed where the coupler is replaced by the equivalent of two ports loss network

    提出了用有耗二埠網路來等效波導耦合器的方法,對由耦合器、電波導和波導彎頭級聯的慢波線系統的駐波特性進行了分析計算,針對慢波線在設計測射上大射問題,討論了多種解決辦法。
  9. Abstract : a new current feedback control method of brushless dc motor ( bldcm ) is introduced in this paper, which combines the traditional overlap method with the fixed - frequency sampling current control method. it both stabilizes the work frequency of the inverter, and improves the commutative performance of bldcm. and it is verified by the result of the simulation

    文摘:提出一種永磁無刷直流電機電流新的控制方法,即採用常規重疊換相法與定采樣電流控制相結合的方法,既能穩定逆變器的工作,又改善了永磁無刷直流電機的換相性能,利用模擬對提出的方法進行了驗證。
  10. The paper proposes a feedback pre - equalization ( f - pe ) method based on channel estimation in a frequency - selective rayleigh fading channel

    選擇性瑞利衰落通道條件下,提出一種基於通道估計的?預補償均衡檢測演算法。
  11. The virtual cathode oscillator ( vircator ) is one of the most important devices that can produce high power microwaves. for the increasing of microwave power and the locking of operation frequency, researchers have proposed many different types of improved vircators

    軸向式虛陰極振蕩器主要利用微波調制電子束和虛陰極,從而增大微波輸出功、提高效、穩定、凈化模式。
  12. Digital design : binary system, boolean algebra, logic gates, simplification of boolean functions, combinational logic. analog design : amplifiers, frequency response, feedback, operational amplifier

    數位設計:二進位制、布氏代數、邏輯閘、布氏函數的化簡、組合邏輯電路。類比設計:放大器、響應、系統、運算放大器。
  13. Theoretical model of self - mixing interference in a linear frequency modulated laserdiode is presented by using the dynamic theory of semiconductor laser with weak external optical feedback. the characteristics of oscillation frequency shift and output power changes of the laser diode are analyzed by using the theoretical model. the absolute distance from front facet of laser diode to target can be found by measuring spectrum of output power of the laser diode

    使用半導體激光器在弱條件下的動力學理論,建立了線性調半導體激光器的自混干涉理論模型.基於該模型,分析了激光器振蕩偏移與輸出功變化特性.通過測量激光器輸出功譜,可以得到激光器前端面與被測目標之間的距離
  14. Because deh system can use feedback signal of the first class pressure as practical power of turbine, it can avoid the reverse control, have the good ability of anti - disturbing. by the sophisticate control logic deh can make swift change of the control demand for following best value according to the circumstance, largely improved the dynamic characteristic when the unit sundenly discharge the full load

    Deh系統控制器中的pid系數可根據試驗情況方便的調整,實現較好的動態特性,並可使調汽門動態過開,使再熱機組有良好的一次調能力; deh系統可採用調節級壓力做為汽輪機實發功信號,避免出現調現象,抗內擾和外擾能力強。
  15. The innovative ideas in this paper are that robust h control theory based on conventional ip controller is applied to the high - precision feed of a single axis, and the controlled plant is composed of ip velocity loop and two - order model of linear motor. a constraint condition on y in the problem of h2 / h is deduced from the frequency criterion of riccati equation, which makes the repeated computation on r simple. considering the two - loops control problem, the h state feedback controller based on ip controller as the inner controller is applied to satisfy the velocity performance of the system, and a pi controller, the external controller, is used to satisfy the position performance

    本文的創新之處在於將傳統的ip速度控制器和直線電動機的二階模型作為一個廣義的被控對象,利用魯棒h _控制理論設計了一個h _狀態控制器,以此解決高精度進給的控制問題,並在此基礎上研究了h _ 2 h _混合控制問題,結合h _代數riccati方程正定鎮定解存在的判據,推出了一個控制器存在的約束條件,使以往須復試探的,有了更進一步的約束范圍,簡化了計算。
  16. 2. based on the multivariable frequency control theory, a multi - variable computer - aided design software is designed using visual basic 6. 0 after decoupling the controller model, the precompensation matrix, the dynamic compensation matrix and the feedback matrix are obtained

    二、以多變量域控制理論為基礎,結合現代控制理論對該數學模型進行解耦設計,利用vb6開發了一個多變量系統的輔助設計軟體,得到它的預補償陣,動態補償陣和增益陣。
  17. Use the import part of an apparatus and strict technique to make sure the quality. use the technology of dsp digital shift frequency, and adopt high speed of a d, d a switch electrocircuit

    消除技術,自動尋找嘯叫點,液晶顯示嘯叫,並自動形成數字濾波器,消除嘯叫,能有效提升話筒增益
  18. In this paper, consulting the idea of software radio and using the three important theories of maximum mean power estimate ( mmpe ) for symbol synchronization algorithm, the kalman decision - feedback equalization ( dfe ) algorithm and the decision - feedback phase lock loop ( dfpll ) algorithm, a kind of low frequency digital demodulate scheme over high - frequency ( hf ) radio channels for 8psk signial is realized

    本文利用軟體無線電的思想,提出了一種hf通道8psk信號低采樣數字化解調方案。討論了實現該方案的三個核心演算法:最大平均功定時同步演算法、判決式鎖相環和卡爾曼均衡器,分析它們的基本理論,並進行了性能測試。
  19. In the paper a gmc filter with a cutoff frequency of 29. 8mhz is implemented. an effective improvement is made in cmfb ( common mode feedback ) through using a differential amplifier with four inputs. transconductors are tuned through comparing two voltages, which helps to stabilize the cutoff frequency

    文中實現了跨導電容濾波器,其截止達到29 . 8mhz ;採用四輸入端的差分放大器使共模得到了有效的改善;通過簡單的電壓比較實現跨導器的調諧,有助於穩定截止
  20. First, vm - agr algorithm and variance - correcting method are proposed to greatly improve the performance of original agr algorithm

    提出了可變縮的agr演算法和方差修正法,有效改善了原agr演算法的綜合性能。
分享友人