linearization technique 中文意思是什麼
linearization technique
解釋
線性化方法- linearization : 線性化，直線化
- technique : n. 1. （專門）技術；（藝術上的）技巧，技能。2. 手法〈如畫法，演奏法等〉。3. 方法。
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Nonlinear analysis and linearization technique of the rf power amplifier
射頻功放的非線性分析與線性化技術 -
Theoretical analysis and model simulation of adef linearization technique for rf power amplifier unit
線性化技術的理論分析及模型模擬 -
Study on response computation of a vibration system with variable coefficient of sliding friction using equivalent linearization technique
非恆定滑動摩擦系數振動系統等效線性化計算方法研究 -
The results show that the linearization technique based on em can reduce calculation burden in searching for optimal scheme
計算結果表明，能量裕度線性差值方法使控制方案的非線性搜索過程在保證結果準確的前提下大大簡化。 -
Predistortion is a widely used linearization technique because of its unique advantage, and the research of predistorting linearizer is becoming the hot research field
預失真技術是一種廣泛使用的線性化技術，基於預失真技術的線性化系統正逐步成為研究熱點。 -
In applications of feed - forward linearization technique, the overall amplifier efficiency is significant concerned. giving mathematical analysis and simulation results, the paper present two practical methods to optimize the efficiency of a feed - forward amplifier system
針對前饋線性化技術應用中倍受關注的系統效率問題進行了數學推導和模擬，提出實踐中提高效率的兩種方法及其適用條件。 -
Since the envelope of modulated signal fluctuates, these methods generate unwanted intermodulation distortion ( imd ) products in a nonlinear radio frequency ( rf ) power amplifier ( pa ). so it is necessary to use linearization technique to reduce the adjacent channel interference ( aci )
但包絡變化的調制信號經過非線性射頻功放后會產生交調分量，因此必須採用線性化技術來減少由此產生的鄰道干擾。 -
Feedforward is generally known as the best performing linearization technique for its advantages, such as broadband, stability, etc. this paper introduces the theories of power amplifier nonlinear characters and feedforward technique. according to the rf specifications in 3gpp for wcdma transmitter power amplifier, an adaptive feedforward amplifier system is completed including eda simulation, circuits layout and main mechanical structure design
本文根據3gpp對wcdma發射機功率放大器的射頻指標要求，在對功率放大器的非線性特性和前饋技術的特性進行詳細理論分析的基礎上，結合eda模擬工具，設計了基於自適應前饋的功放系統，並完成了系統的調試和測試。 -
The article firstly introduces the linearization techniques : predistortion technique and technique feedforward. it analyses the concept and causes of the nonlinear distortion, and consequently introduces the principle and implement of predistortion and feedforward, and puts forward the innovative project of self - adaptable predistortion and feedforward
分析研究了預失真技術和前饋技術的原理、性能及其實現方法，並在深入研究兩種技術的基礎上，提出了集合兩者優點於一體的自適應前饋預失真線性化系統方案。 -
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。 -
In the thesis, a high efficiency linear am amplifier is developed, which is based on the basic theory of eer linearization amplifier technique [ 1 ]. the high efficiency digital audio amplifier technology [ 2 ] is adopted to develop the power supply modulator and the class - d switching amplifier technology [ 3 ] is adopted to develop the high efficiency rf amplifier
本論文利用eer （ envelopeeliminationandrestoration ）線性功放技術的基本原理[ 1 ] ，採用數字音頻功放技術[ 2 ]實現高效率電源調制器，採用class - d開關放大技術[ 3 ]實現高效率載頻放大器，開發了一個集am調制和放大於一體的高效率線性功率放大器。 -
The principle of i d = 0 control method is analyzed systematically based on vector control technique of pmsm. this thesis points out that vector control is more a static decoupling than a full decoupling. in fact, the i d = 0 control method of pmsm, which can realize torque linearization control, is a vector decoupling control
主要內容概括如下: 1 .對永磁同步電機的矢量控制技術進行了系統的分析，深入地剖析了i _ d = 0控制的機理，指出矢量控制只是一種靜態解耦，並非完全解耦，永磁同步電機的i _ d = 0控制實質是一種矢量解耦控制，可以實現轉矩線性化控制。 -
Taking a monotonic soilfill dam as example, a comparison between the incrementally - iterative numerical technique and the equivalent linearization approach was carried out
以一理想均質土壩為算例，對上述增量?迭代演算法和常用的等價線性法得到的壩體動力計算結果進行了對比分析。 -
In this method, a new perturbation technique called linearization - correction method was used to linearize the nonlinear equations in the model, and then the wavelet precise integration method was used to calculate the sensitivity of the response. at last the stochastic perturbation method is used to analyse the variance and expectation of sediment concentration, rate and depth of flow. the calculated result was high agreement with that result of monte carlo method
在該方法中，採用了一種擬攝動法對模型中的非線性方程進行線性化，然後採用小波配置法對模型方程進行空間離散，最後用隨機有限元方法求得模型中水流速度，水深和泥沙濃度的統計特性，計算結果和montecarlo法模擬結果吻合得很好。 -
Combining fuzzy t - s model and adaptive fuzzy logic systems, this paper presents an observer - based fuzzy adaptive control scheme for complex nonlinear systems. meanwhile, the fuzzy adaptive technique, the robust control technique and the differential - geometry - based feedback linearization theory are synthesized organically, this paper presents an adaptive fuzzy tracking control scheme for complex nonlinear systems. finally, a fuzzy reconfigurable control scheme is presented for complex nonlinear systems
文中將模糊t - s模型和自適應模糊邏輯系統有機結合，提出了一套比較實用的基於觀測器的復雜非線性系統的模糊自適應控制方案;同時，將模糊自適應技術、魯棒控制技術和微分幾何反饋線性化理論結合起來，提出了一種復雜非線性系統的自適應模糊跟蹤控制方案;最後，針對復雜非線性系統，給出了一種模糊重構控制方案。 -
By the simulation results, it is verified to have excellent performance. a class of uncertain nonlinear systems which can be transformed into strict feedback nonlinear systems is investigated based on feedback linearization approach of differential geometry. an adaptive robust controller with l2 - gain is proposed by using backstepping technique. the numerical method is given and it is proved to be practical by simulation results. lt is a more practical method to solve hji for a special nonlinear system because the problem to solve hji is very difficult in general case, and only get the approximate solution when it can be solved. an effective method to solve hji is presented for a class of nonlinear system which is ordinary
考慮到一般情況下，求解hji是非常困難的，並且也只能得到近似解，因此，在系統設計時，針對具體非線性系統的特殊結構以求解hfl是系統設計的一種行之有效的方法，基於以上考慮，對一類具有廣泛工程背景的非線性系統，提出了一種求解hfl的有效方法，便於實際應用。最後，從波能譜的角度，研究隨機海浪的模擬問題，給出了船舶橫搖模擬中需要的隨機海浪有效波傾角的模擬方法。
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