In order to eliminate the influence caused by the nonminimum phase characteristic of a common Boost DC／DC converter, Viswanathan K has proposed a novel tristate Boost DC／DC converter. For enhancing performance, the statespace averaging model of this converter was first presented in this paper. Due to the nonlinear nature in this model, an inputoutput feedback linearization technique was adopted, and a complete controllable linear system was obtained. Then a statefeedback control strategy was designed based on this linear system. Simulation results show that the proposed control strategy can assure constant output voltage in a wide range, so as to realize the stability of the system during large fluctuation of power supply and load disturbance. Good dynamic performance can also be achieved.

針對(duì) Viswanathan K為消除普通BOOST DC／DC變換器的非最小相位特性而提出的三態(tài)Boost DC／DC變換器天天干,天天摸A√，為進(jìn)一步提高這種電路拓?fù)涞男阅茉谙逜A亚洲视频，在建立了變換器狀態(tài)空間平均模型的基礎(chǔ)上一级毛片黄色录像，針對(duì)其多變量国产特黄AAA级在线播放、非線性特點(diǎn)九九九九人妻一区精品色，采用輸入輸出線性化將其轉(zhuǎn)化為一個(gè)完全可控的線性系統(tǒng)又黄又硬又爽又舒服视频，在此基礎(chǔ)上應(yīng)用現(xiàn)有成熟的線性控制策略進(jìn)行了控制系統(tǒng)的設(shè)計(jì)，并且采用MATLAB進(jìn)行仿真驗(yàn)證色在线视频导航，結(jié)果表明：這種非線性控制策略可以確保輸出電壓在大范圍內(nèi)恒定可調(diào)九九热这里只有精品6666，且即使存在大范圍擾動(dòng)(輸入電壓和負(fù)載變化均較大)的情況下，系統(tǒng)也可以確保穩(wěn)定性和良好的動(dòng)態(tài)性能在线黄色观看。

The waste gas produced in polyester production is first made to pass through adsorption homogenizer containing water and then catalytically combusting treated.

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Therefore, it is necessary to study these parallel problems. For the linear register systems, this paper presents a (1, N) parallel method with uniform calculating formulas by using the method of matrix equations, and studies to simplify XOR circuits. Comparing with the existing parallel methods for linear shift registers, this method for linear register systems doesn't need to expand the transition matrix, and has the same calculations for arbitrary N, which reduces the complexity.

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Observation on the ultrastructure of the radicle cell of cabbage seeds indicated that the ultrastructure changed with the seed vigor reduced, such as the segregation of cytoplasm from the cell wall, the fragmentation of cell membrane, the vesiculation of protoplasm, the homogenization of chromation, the disintegration of cytoplasm, the distinguishing of nuclear membrane and nucleous ,and so on.

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RESULT: 1.Ouabain act on lens sodium-pump,under the LM,lens anterior capsular membrane discontinuous,epithelium cells clustered,occluding zonule seperated,lens fiber layers fractured.Under the EM,cells totally hollowed,mitochondria swelling,myelin figure appeared.RT-PCR examine the expression condition of αsubunit of sodium pump on mRNA level,α1熟女69导航、α2 and α3-isoform are all decreased.2.Digoxin act on lens sodium-pump,under the LM,lens cell oedema,linkage distructed,extensive exfoliation.Under the EM,plasma appeared little half-transparant hollow region,mitochondria swelling and ridge disappeared. RT-PCR examine,α1、α2 and α3-isoform are all decreased.3.Amphotericin B act on lens sodium-pump,under the LM,lens epithelium cells linked tightly,arranged in-line,lens fiber layers arranged tightly and regularily.Under the EM,abbundant cellular organes,exuberant cells function indicated. RT-PCR examine the expression condition of αsubunit of sodium pump on mRNA level,α1 and α3-isoform are increased significantly,demonstrated isoform-specific action.4D-thyroxine act on lens sodium-pump,under the LM,lens plasmalemma integrated,cells arranged tightly and regularily.Under the EM,nucleus fission appeared,desmosome half-desmosome and tensile microfilaments linked the cells. RT-PCR examine,α2 and α3-isoform are increased, also demonstrated isoform-specific action.5.Vitamin E act on lens sodium-pump,under the LM,lens anterior capsular membrane continuous and smooth,epithelium cells tightly linked,lens fiber layers appearede hollow region occasionally.Under the EM,lateral membrane high density belt appeared,abundant nucleolus. RT-PCR examine,onlyα1-isoform are increased, demonstrated significantly isoform-specific action.6.DMSO act on lens sodium-pump,under the LM,lens anterior capsular membrane slightly thicker,cells linkage partly distructed.Under the EM,plasmalemma denaturation,mitochondria swelling.RT-PCR examine,α1、α2 and α3-isoform are all altered slightly and haven't significant meanning.

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This thesis,aim at the portability,makes the design of residential supervising system modulized and a small scale.It combine the microcontroller to process data through internet and store input signal in the database.In addition,it need the basic internet environment rather than database and web server.In this thesis,the sensor module and other hardware are also designed portably in order to set up easily.

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On the other hand, we also design two types of MMSE equalizers for DS-CDMA downlink systems.

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The performance of PDA-MUD is close to the optimal multi-user detector, but computational complexity of PDA-MUD is higher than the linear minimum mean-square error multi-user detector.

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