nonlinear circuit 中文意思是什麼
nonlinear circuit
解釋
非線性電路-
Experimental results show that the bistable of tuned substrate self - bias was determined by discharge gas pressure, discharge power and tuning circuit parameters etc. the bistable exists is because of there is capacitive coupling in icp system and sheath capacitance is nonlinear
實驗結果表明這種跳變回滯現象與等離子體的放電氣壓、射頻功率以及調諧外電路的參數等多種因素密切相聯系。而產生跳變回滯現象的原因是icp中存在容性耦合以及鞘層電容具有非線性特性。 -
The explanation of field theory takes two independent equations in integral form derived from maxwell equations as basic law of circuit theory. beginning with two independent equations, ftn analyzed the linear dc and ac networks, nonlinear networks and many kinds of circuit analyzing methods and so on
場論說的電路理論是以從麥克斯韋方程組導出的積分形式的兩組獨立方程組為基本定律，從此基本定律出發，推理演繹電路理論的基本內容，分析了線性直流和交流網路、非線性網路以及各種電路分析方法等。 -
The trained neural network model can be used to solve a variety of problems emerged in rf / microwave circuit design, such as in microwave circuit cad, the established model structure can be used to characterize the nonlinear behavior of microwave circuits
如用於微波電路cad ，可用所建立的模型結構來描述這么一類微波電路的非線性行為特徵；如用於微波電路設計，則可進行如共面波導、晶體管、傳輸線、濾波器和放大器等的設計；如用於微波電路優化，則可用所建立的電路模型優化電路參數，進行阻抗匹配等。 -
In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同，敏感元件採用高度對稱的四梁結構，其中每個軸向上均採用帶折疊梁的雙側叉指電容結構，採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件，具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算，並利用有限元法進行了模擬分析，根據模擬結果得出了優化參數;在確定敏感結構的基礎上，研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析，利用差動測量技術得到由振動引起的微小電容變化量，經c - v介面電路進行相位調制處理，然後通過解調輸出與加速度成正比的電壓信號。 -
The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。 -
As the experiment results show, multiple reasons led to the offset of oscillating frequency, including diode ’ s nonlinear characteristic, fluctuation of electrical source voltage, traction of load impedance, change of environmental temperature and humidity and the design of circuit
實驗結果表明多種因素引起了振蕩頻率的偏移，包括二極體的非線性、電源電壓的波動、負載的牽引、環境溫度濕度變化以及電路板設計方面的因素等。 -
There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not
首先引入開關函數概念，建立了正弦脈寬調制（ spwm ）逆變器供電異步電動機，考慮主磁路飽和時的變頻調速系統整體數學模型，模擬系統的低頻振蕩；其次從逆變器-異步電動機系統能量轉換角度出發，提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c （ f _ c為逆變器載波頻率）來判定系統是否出現低頻振蕩；最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。 -
The method of both active power measuring and the analysis of the nonlinear measuring error in its power measurement circuit
電動系功率表測量非正弦單相有功功率的讀數推證 -
A resolution method in software is applied to calibrate zero point and full scale of the circuit. software approach to nonlinear correction for sensor and circuit is presented. therefore system error is eliminated, and measurement accuracy of temperature is improved. the signal of acidity electrode is detected by a differential amplifier circuit, which consists of operational amplifiers tlc2254 with high input impedance and low drift
採用橋路和單運放差動放大電路對溫度傳感器信號檢測放大，軟體校正溫度傳感器和測量電路的非線性，軟體校準測量電路的零點和滿度，消除測量電路的系統誤差，提高補償溫度的測量精度；採用高阻、低漂移運放tlc2254組成高阻差動放大電路用於酸度電極信號測量。 -
A potentially feasible method is the use of a chaotic system ' s high sensitivity under condition to detect weak signals, which is quite different from all present methods. fixing parameter of components in a nonlinear circuit, chaotic orbits change with the measured signal. a distance has been defined
利用混沌系統的初值敏感性進行小信號測量是一個很好的有應用潛力的方向，它的測量原理與現有的測量原理完全不同，其基本思想是將待測信號作為混沌系統的初值，在參數不變的條件下，利用混沌系統的初值敏感性，使混沌軌道隨待測信號的變化而變化，定義軌道距離，通過測量軌道距離的變化即可測得該小信號。 -
An algorithm of path - based timing optimization by buffer insertion is presented. the algorithm adopts a high order model to estimate interconnect delay and a nonlinear delay model based on look - up table for gate delay estimation. and heuristic method of buffer insertion is presented to reduce delay. the algorithm is tested by industral circuit case. experimental results show that the algorithm can optimize the timing of circuit efficiently and the timing constraint is satisfied
提出了一種基於路徑的緩沖器插入時延優化演算法，演算法採用高階模型估計連線時延，用基於查表的非線性時延模型估計門延遲.在基於路徑的時延分析基礎上，提出了緩沖器插入的時延優化啟發式演算法.工業測試實例實驗表明，該演算法能夠有效地優化電路時延，滿足時延約束 -
The macromodel is built up with the combination of device simulation and nonlinear curve fit, which makes the extraction of the substrate parasitic parameters more convenient and the circuit simulation more accurate
該宏模型通過器件模擬與非線性擬合相結合的方法建立，使襯底寄生參數的提取更加方便，同時保障了深亞微米電路特性的模擬精度。 -
The developments of high - speed circuits and mmic pose the problem of analyzing the circuits characterized both in time and frequency domains. a variety of mixed time - frequency methods have been developed during the last quarter century in the research of the vlsi interconnect and package analysis and nonlinear steady - state analysis. this paper examines these methods from a unified point of view. various mixed problems are formulated as circuit equations in the mixed time - frequency domain. fundamental approaches to slove the equations are given, from which all of the published mixed methods can be naturally deduced. this facilitates the comprehension of these methods and is helpful for their applications. some new ideas are proposed based on the cross reference among these different kinds of methods
隨著高速集成電路及mmic （微波單片集成電路）的發展，提出了對時-頻混合表示電路進行分析的任務.本文用統一的觀點考察了通常屬于高速電路互連與封裝分析、非線性電路穩態響應分析兩個不同方面的混合分析問題，指出這類問題的實質是要求解一個時-頻混合的電路方程，給出了求解這一方程的基本思路，闡明了現有的各種方法是如何從這一基本思路導出的.這可為認識這些方法的本質與聯系，促進它們的應用與發展提供參考.此文還探討了某些方法之間的相互借鑒，提出了若干新的想法 -
Transient characteristics of nonlinear rc circuit
電路的暫態特性 -
First, we think periodicity and weakening surge of the nonlinear waveform is caused by self - excitation of the circuit. the electric field thresholds ( et ) and maintenance field ( es ) of lock - on are modulated by the ac electric field ; the nonlinear waveform became two main modes of trans - electron oscillator, namely delay polar domain mode and quenched dipole domain mode
指出非線性波形周期性的減幅振蕩，是由於光電導開關所處電路自激振蕩形成的交流場對偶極疇的閾值電場e _ t和維持電場e _ s進行控制，從而形成轉移電子振蕩器的兩種主要工作模式：延遲偶極疇模式和猝滅偶極疇模式。 -
Circuit model of apf with this method is set up with psim. simulations are performed with this kind of apf applied to different nonlinear loads, including cycloconverter load. load - adaptabilities of this apf
在psim中建立了該控制方法的電路模型，並將其應用於不同的非線性負載進行了模擬研究，包括交-交變頻器負載。 -
Dynamic behavior modeling of nonlinear circuit based on fuzzy logic systems
基於模糊邏輯的電路非線性動態特性模型 -
And then, we analyze the nonlinear properties of limiting amplifier. due to the typical nonlinear properties of limiting amplifier, we studied the method of academic analysis for microwave nonlinear circuit and the nonlinear circuit model of transistor in detail
由於微波限幅放大器的工作是典型的非線性特性，我們研究了非線性電路的分析方法和微波晶體管的非線性模型，詳細得介紹了諧波平衡法這種重要的非線性電路分析方法。 -
Study of and practice in nonlinear circuit chaotic experiment
開設非線性電路混沌實驗的研究與實踐 -
First we adopt modularization design ideas of unit of function circuit, construct the system of nonlinear circuit, and make it generates. one side, it can take control and synchronization himself. and on the other side, it also can take more advanced control and synchronization for optics system
首先利用單元功能電路模塊化思想，構造電路系統本身，使之產生超混沌，其目的是一方面可以自身進行控制和同步化，另一方面可對光學系統施加更高級控制和同步。
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