饋通電導 的英文怎麼說
中文拼音 [kuìtōngdiàndǎo]
饋通電導
英文
feed through conductance- 饋 : 動詞(饋贈) make a present of
- 通 : 通量詞(用於動作)
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 導 : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
- 通電 : 1 (通電流) set up an electric circuit; electrify; energize; be charged with electricity; power ...
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A new laser source of optical communication, erbium - ytterbium codoped phosphate glass waveguide laser that was provided with more prominent performance than semiconductor distribution feedback ( dfb ) laser, has been investigated globally from 1990s. the laser can meet many rigorous demands of wdm systems. the 1. 54 m laser emitted by the laser accords with the interrelated standard of international telecommunications union ( itu ), therefore, a splendent foreground can be predicted about this kind of laser in future optical communication
基於鉺、鐿摻雜磷酸鹽玻璃基片的光波導激光器是一種新型通信光源,具有傳統的分佈反饋半導體激光器所不能比擬的優點,能滿足波分復用/密集波分復用技術對光源提出的諸多高新要求,所發射的1 . 54 m激光符合國際電信聯盟規范,在未來光通信中有著廣闊的發展前景。By detailedly analyzing the control problem caused by the time - delayed characteristic of main - steam temperature, the fact that a well - designed feed - forward effect can supply the want of the feedback effect and solve the control problem of long time - delayed system was put forward
通過對電廠主蒸汽溫度的大遲延特性導致的控制難題的詳細分析,提出合理設計的前饋控製作用能彌補反饋控製作用的不足,可以有效地解決大遲延系統的控制問題。The influence of swinging ship to los is analyzed in detail. the tracking precision of the shipborne tv tracker will be improved greatly when the feedforward signal otship swaying is measured by rate gyro
本文詳細分析了艦船搖擺對視軸穩定的影響,通過理論推導和模擬分析論證了採用速率陀螺測量並前饋艦船搖速度信號將極大的提高艦載電視跟蹤儀的跟蹤精度。In the synchronous " model, based on the idea of polygonal flux linkage locus, by means of constructing the switch state period table of three phrase voltage inverter is required. in the brushless model, the igbt ( isolated gate bipolar transistor ) switch state period table is gained by gal ( generic array logic ) which analyzes the signal of position feed - back
在同步方式下,基於多邊形磁鏈軌跡法的思想,用作圖法求得三相電壓型逆變器的pwm波形序列;在無刷直流方式下,用gal對位置反饋信號進行邏輯綜合,得到開關管的導通規律。This paper put forward a method of using amending sine value in the spwm sine table. this method can correct the distortion of the output voltage waveform, which resulted from the dead time used to the voltage type whole bridge main circuit. the inverter system adopts digital fuzzy controller with feed forward correction and which proportion coefficient and integral coefficient is changeable, so dynamic response is improved
本文提出了一種採用修補spwm正弦表值的方法,用以改善電壓型全橋逆變主電路因上下橋的功率器件切換時先關斷后導通的死區時間而引起的輸出電壓波形畸變;逆變系統採用帶前饋校正的變比例變積分系數的模糊控制器,提高了系統的動態響應指標;系統設計了完善的保護措施,並具有市電電網的故障診斷功能。Analyses and researches the 2 channel voltage source ' s functional and characteristic requirements of the experiment system of the acoustic current transport model in the quasi - 1d electron channel. 2. designed and realized the hardware circuit of the 2 channel voltage source
兩路高精度高穩定度饋源在進行準一維電子通道量子化聲電流輸運實驗的中得到了很好的使用效果,在國內首次觀察到了在甚低溫下準一維電子通道的電導量子化現象。In the next place, an improved algorithm of grounding fault location for tree - type distribution system which is based on new fault function and criterion measure, is proposed in order to complete fault branch ide ntification, fault location and fault value. a lot of the simulation of fault diagnosis and location by computer demonstrate that the algorithm is effective
其次論文基於輻射狀饋線的任一分支線路發生接地故障,通過分析與推導,建構了配電線路單相短路點定位的故障定位函數和相應的故障判據,利用樹網單端信息完成故障分支識別、故障定位和過渡電阻定值。Theoretically, the main work is the simulation of source excitation. by comparing the advantages and disadvantages of previous methods of source simulation, a novel simulation method of excitation source is presented. the details of the application to microstrip feed, waveguide feed and coaxial - cable feed using this simulating method are given
在fdtd用於天線計算理論研究中本文重點研究了激勵源設置問題,比較了現有的各種激勵源設置方式的優缺點以及它們的適用范圍,在此基礎上,提出一種新的激勵源設置方法,並將其推廣到微帶線饋電、波導饋電、同軸線饋電等天線的通用饋電方式。Piezo - electrical ultrasonic motors were used to drive the linear slideways supported by the cross roller bearings, position information was fed back by the optical encoders, the total closed - loop control system was constituted
伺服機構採用壓電超聲電機直接驅動由滾柱導軌支承的直線工作臺,通過高精度光柵尺構成全閉環反饋。In this paper, the design of electric forklift driving controller is demonstrated. otherwise, can is added into this controller, so as to build up can networks with other modules equipped with can controllers. this paper is composed of 7 chapters : in the first chapter, the background of the paper is introduced ; in the second chapter, the structure of electric forklift is demonstrated ; in the third chapter, first the math model of series motor is found, then the motor is controlled as improved p1d control rule ; in the fourth chapter, the principle and realization method of forward and reverse rotation and back - feed brake are explained ; in the fifth chapter, the principle of can and design of application layer in can are illuminated ; in the sixth chapter, the principle of e2prom is clarified ; in the last chapter, summary of the whole paper is given, and prospect in this field is made
全文共分七章:第一章緒論,介紹了論文背景;第二章,系統綜述,介紹了電動叉車的整車結構;第三章,串勵電機的建模、改進的pid演算法及其軟硬體實現,首先根據串勵電機的機電特性推導出數學模型,然後在此基礎上結合pid控制規律對電機進行控制;第四章,串勵電機的正反轉及回饋制動,介紹了實現電機正反轉及回饋制動的原理及方法;第五章, can網路實現模塊間通訊,介紹了can總線原理及can總線應用層設計;第六章,用串列e ~ 2prom實現參數設定,介紹了串列e ~ 2prom的原理;結束語,對本論文進行了總結,並對該領域的發展進行了展望。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,其截止頻率達到29 . 8mhz ;採用四輸入端的差分放大器使共模反饋得到了有效的改善;通過簡單的電壓比較實現跨導器的調諧,有助於穩定截止頻率。Abstract : this paper proposes an self - adaptive speed - accommodating control circuit, which can get the speed - error, and can test the change of frequency of feedback signals of the single phase ac tacho generator through self comparing and automatically corrects the speed
文摘:文章介紹了通過自比較來檢測錄音機主導軸單相永磁交流測速發電機反饋信號的頻率變化,從而獲得速度誤差,並自動校正轉速的一種自適應速度調節控制電路。But, the alarm signals from scada have disadvantages as follows : ( 1 ) the open - air feeder terminal units ( ftu ) are interfered by strong electromagnetic and thunder. besides, the failure of relays and the fault of ftu can also lead to that fault information is interfered and aberrant. ( 2 ) in the process of transmission and commutation, the error in the communication equipment may result in the signals err or lose
然而,現有的scada系統在配電網發生故障時提供給調度員的警報信息有如下局限性: ( 1 )面向現場的戶外饋線終端ftu運行環境惡劣,承受強的電磁、雷電干擾,並且由於繼電器節點故障、 ftu元器件損壞等因素的存在,使得配電網信息受干擾、畸變的可能性較高; ( 2 )在信號傳輸及變換過程中,通訊裝置的故障等原因,也可能導致信號出錯甚至丟失; ( 3 )保護裝置和斷路器本身也有可能誤動或拒動。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,並且將饋線/天線的終端接地,信號被迫深入地球,使得地球本身成為一個有效的輻射單元。In the fourth chapter, a fourth - order chebyshev low - pass filter employs new low voltage, highly linear, wide inputting range transconductor is proposed, then we presents a new circuit to tune gm value of transconductor accurately, which employs a new switched - capacitor circuit to change the bias current of transconductor, a third order elliptical function low - pass filter with accurate tunable frequency has been designed using transconductor that is not only with voltage common - mode negative feedback, but also with varying bias - triode transistors which can improve the linearity of this circuit
第四章:提出了一種新的低電壓、高線性度、寬輸入范圍跨導,並由此設計實現了四階切比雪夫( chebyshev )低通濾波器,接著提出了一種寬輸入范圍且具有電壓共模負反饋的全差分跨導,並採用一種新的開關電容電路實現跨導值gm精確可調,從而可以設計得到高性能具有精確截止頻率的跨導-電容三階橢圓函數濾波器。Two illustrative examples, a duffing oscillator subject to a harmonic parametric control and a driven murali - lakshmanan - chua ( mlc ) circuit imposed with a weak harmonic control, are presented here to show that the random phase plays a decisive role for control function. the method for computing the top lyapunov exponent is based on khasminskii ' s formulation for linearized systems. then, the obtained results are further verified by the poincare map analysis on dynamical behavior of the system, such as stability, bifurcation and chaos
通過兩個實例,即一類參激激勵作用下的duffing系統和一類murali - lakshmanan - chua ( mlc )電路,考察隨機相位在非反饋混沌控制中的影響與作用,利用最大lyapunov指數和poincare截面分析法證實了隨機相位確實可以用來調節系統的混沌行為,即一個小的隨機相位的擾動可能導致系統從有序轉變為無序,也可能使得系統從無序轉變為有序。It is found that when the switch s is on, the capacity charges too fast is the main reason why generating chaos in the circuit. then based on above analysis, we present the method of using output voltage pulse differential feedback to control chaos in the buck converter. theoretical analysis, numerical calculation and circuit simulation demonstrate the validity of this chaos control method
首先研究了脈寬調制式的buck變換器中混沌產生的原因,研究發現開關s導通時,電容充電過快是這類電路中混沌產生的主要原因,在此基礎上提出了應用脈沖微分反饋控制buck變換器的混沌,並設計了控制電路,數值模擬和電路模擬的結果證實了該混沌控制方法的有效性。分享友人