two-circuit method 中文意思是什麼
two-circuit method
解釋
雙電路法-
The theory of wilkinson power combiner and ratrace coupler is analyzed by using the odd - even mode method in this thesis. on the basis of the theoretical analysis, we designed and tested the wilkinson power divider, the modified wilkinson power divider and ratrace coupler, good agreement is observed. in addition we propose a power combiner based on a waveguide - to - microstrip transition using antipodal finlines. this structure united the two functions of transition and equal power division, it can not only be used in the circuit power combiner but also be used in spatial power combiner
另外提出一種基於鰭線波導微帶過渡功分器，該結構將過渡與功分兩種功能完全結合，不但可以用於電路合成式功率合成，也可用於空間功率合成中。對功率合成器，其主要指標是輸出功率和效率，其中提高輸出功率和效率的一個方法是在輸出端抑制諧波，主要是對二次諧波的抑制。 -
Through instance and analyzing concrete data, the two ways of measuring insulation are introduced. the implementation of the method of clamping rundle circuit and its capability are described emphatically
通過對實例和具體數據的分析，介紹了2種測量絕緣的方法，重點講述了鉗位電路梯級測量法的實現及其性能 -
In part two, we use a method of the unit of function circuit to structure some hyperchaotic circuits realize the control and synchronization of hyperchaos
第二部分研究單元功能電路法構造超混沌電路實現超混沌控制和同步。 -
First, based on the analysis of the design method of two - valued shift counter, we use the multivaled circuit ' s property of high information density to put forward the design method of three - valued shift counter. by using this method module - n three - valued shift counter can be designed. and by selecting the best design method, the simplest circuit of control logic can be made
首先，在分析二值的移位計數器的設計方法的基礎上，利用多值電路的高信息密度，提出了三值移位計數器的設計，運用該方法可以設計任意狀態的三值移位計數器，並且通過選擇最佳設計方案使控制邏輯電路最簡。 -
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。 -
This paper gives a method to measure the conductivity base on choosing frequency. after adding to the electrode with two ac square waves of appropriate frequencies, we can measure the output dc voltage of the circuit
本論文提出了一種選頻電導率測量方法，選擇兩個合適頻率的交流方波施加於電極，測出電路輸出直流電壓，通過解方程組求出時間常數，然後求得溶液電阻，進而得到溶液電導率。 -
Impedance - matching balanced traction transformers ( balanced transformers in this paper for short ) are step - down transformers, they transfer symmetrical three phase voltage in primary side to perpendicular two phase voltage in secondary side. they are different from any other transformers, so their short - circuit current analysis and short - circuit test method must be taken into special account
阻抗匹配平衡牽引變壓器（本文中簡稱平衡變壓器）是一種將一次側三相對稱電壓變換為二次側二相垂直電壓的降壓變壓器，它不同於已有的任何一種變壓器，短路電流的分析計算和短路試驗必須予以重新研究。 -
This method is also valid for identifying the circuit and branch defect of first group spatial linkages based on the equivalent of circuit properties of the first group spatial linkages and its equivalent sphere four - bar linkage base on the property of the solutions of quartic equation, the conclusion that the number and order of branch between two adjacent stationary positions of the input link are derived. then, the new method to identify circuits of spatial single - loop linkages with four closures is presented. all types of the manner on which the branches coalesce at the stationary positions of the input link are obtained and the procedures to determine the type automatically are developed
基於一元四次方程解的性質，得到了在輸入構件兩個相鄰瞬時靜止位置之間機構的分支的數目和大小順序不變的結論，進而提出了識別具有四個封閉形的空間單環機構迴路的新方法一一死點法，綜合出了輸入構件位於瞬時靜止位置時機構分支結合情況的所有類型及其自動判別方法，研究了由所有結合的分支信息自動生成迴路的演算法，首次解決了此類機構迴路與迴路缺陷的自動識別。 -
Circuit experiments consisting of two measuring units and computer analysis prove the method is effective, and circuit experiments consisting of n measuring units show noise reduction will be better as n increases
兩個混沌測量電路的耦合實驗和計算機數值計算驗證了這種方法是有效的，又進一步討論了由n個單元電路構成的耦合實驗，可得到隨著n的增加它抑制噪聲的能力也增強。 -
Third, this thesis presents a fault location method on two point ' s different phase short circuit fault. this method only uses relaying data
再次，分析了異地異相故障，利用故障前數據和保護信息，研究了此種類型的測距演算法。 -
Based on the analysis about the test requirements and the saturated magnetization of the armor plate, the excitation magnetic circuit satisfying the testing condition and a validation system are designed. because the geometric, of the magnetic leakage at the direction of the normal of the roundness fault has the feature of two peaks : a positive and a negative, using the linear regression and the software matlab, two regression equation are proposed : one is about the peak value of the magnetic leakage and the diameter and depth of the roundness fault ; the other is the distance between the two peaks and the diameter of the roundness fault. the result of the validation system proves that the two equations are valid, and an applied method using for quantificationally inspecting the roundness faults is proposed according to the two equations
根據實驗要求，通過對鋼板達到飽和磁化的必要性進行的分析，設計了符合試驗條件的勵磁磁路，並設計了一套實驗驗證系統；根據圓形缺陷法線分量漏磁場幾何圖形正負雙峰值的特點，採用線性回歸擬合的原理和matlab軟體及其統計工具箱中的相關函數，給出了圓形缺陷漏磁場幾何圖形的峰峰值與圓形缺陷的直徑和深度以及峰峰值間距與圓形缺陷直徑的兩個回歸擬合方程，並通過實驗驗證系統驗證了擬合方程的正確性，利用這兩個簡單實用的擬合方程，提出了一種工程定量檢測圓形缺陷的應用方案。 -
This can fully consider the effect of the structure of transmission line and the selection of lighting parameter etc. by calculating and analyzing various of factor that affect the lightning tripping probability of 500kv double circuit transmission line, we can draw the conclusions : the result by intersecting method is more accord with the practicality circumstance than by existing standard methods, using unbalance high insulation and reverse sequence of wire can reduce the contemporary outage rate of double circuit line, reducing the footing resistance is one of the most efficiency method to reduce the back stroking rate of double circuit transmission line, the double back stroking rate and the single back stroking rate will fall by three ground wire, when the footing resistance is 10 ohm, the back stroking rate by three ground wire is 83 percent of by two ground wire
在分析輸電線路繞擊耐雷性能時，對線路的雷電屏蔽問題進行了分析，提出對擊距法進行改進，充分考慮了風速的影響因素，編寫了具有工程實用價值的計算線路繞擊耐雷水平的程序，此方法可以充分考慮線路結構和雷電參數等對繞擊率的影響。通過對影響500kv同桿雙回線路雷擊跳閘率的各種因素進行了計算和分析，得到以下結論：採用相交法的計算結果比定義法更符合實際運行情況。採用不平衡高絕緣方式和導線逆相序排列可以大大降低雙回同時跳閘率。 -
The fitness of four negative electrode materials such as al, fe, zn, cd, and of six membranes materials : microfiber glass mat separator, polyethylene, polypropylene, polyvinyl chloride, vinylon, soapnated cellulose acetate, and of four current collects : carbon fiber ; nickel foam ; nickel foam sthongthened by iron wire net, punched silver grid in the super - iron alkaline batteries was comparatively studied. the influence of two storaged method ( with and without electrolyte ) and two impurities ( zno, fe ( oh ) 3 ) to the experiment cell ' s self - discharge nature was also comparatively studied. at last, the nature of discharge. structure and electrochemistry of experimental cell with k2feo4 as cathode active material prepared by three different methods : high temperature reaction, hypochlorite oxidizing and electrolysis, was comparative ly studied. we can conclude : i ) the open - circuit potential and the flat of work potential and the percent of capacity of k2feo4 till 1. 0v during the discharge at constant load of experimental cells decreased by the order of al / k2feo4, zn / k2feo4, cd / k2feo4, fe / k2feo4. as for the nature of charge - discharge cycle, cd / k2feo4 fe / k2feo4 zn / k2feo4. in water solute electrolyte, although al / k2feo4 can n ' t be used as storage battery, it have great potential as primary cell or storage cell from the aspect of its discharge capacity. discharge power
採用組裝實驗電池、 x -射線衍射（ xrd ）和循環伏安（ cv ）的方法，從實驗電池的放電特性、充放電循環特性、自放電特性，不同高鐵酸鹽的結構特性和電化學特性幾個方面，對4種金屬負極材料（ al 、 fe 、 zn 、 cd ） 、 6種隔膜材料（復合玻璃纖維、幅射接枝聚乙烯、改性聚丙烯、聚氯乙烯、維尼綸無紡布、皂化再生纖維素） 、 4種集流體材料（泡沫鎳、以鐵網為加強層的泡沫鎳、切拉銀網、炭纖維編織網）在堿性高鐵電池中的適用性進行了比較研究；對2種雜質組分（ zno 、 fe （ oh ） _ 3 ）和2類不同貯存方式（干、濕）對實驗電池自放電特性的影響進行了比較研究；對3種方法（高溫固相反應、次氯酸鹽氧化、直流電解）所制k _ 2feo _ 4的實驗電池的放電特性、結構特性和電化學性能進行了比較研究。 -
A planar sidm with j loops ( expressed in term of smj ) can be regarded as comprising of a sidm with j - loops ( expressed in term of smj - 1 ) and a dyad ( expressed in term of dyadj ). then, the circuit condition of sm, is determined by the circuit condition of smj - 1 and the configuration of dyadj. based on the above thought and combined with the automatic generation of structural decomposing of planar mechanism according to the type transformation theory, circuit automatic identification of planar sidm are realized, two examples are given to demonstrate the use of this method
具有j個環路的sidm可看作由j - 1個環路sidm與一個雙桿組（記作dyad _ j ）組成，則sm _ j的迴路情況由sm _ （ j - 1 ）的迴路情況、 dyad _ j的構形以及dyad _ j與sm _ （ j - 1 ）運動的相互作用決定，基於此思想，在全面分析了所有類型雙桿組的構形及裝配條件的基礎上，與型轉化法機構結構分解路線的自動生成相結合，實現了平面sidm迴路識別的系統化與自動化；最後給出了兩個分析實例。 -
This dissertation describes in detail about the operation principle of cooling system, the hardware circuit design and software design of the single chip control system. being different to the structure collation method of traditional cooling system, this system divided the whole system into two parts : cooling system for engine and cooling system for hydraulic oil system, and both of them are controlled by one singlechip
這種電液混合驅動冷卻方式可以使風扇離開發動機而靈活布置，克服了傳統驅動方式的各種弊端，減小了風扇的徑向間隙，提高了容積效率，降低了能耗，並有效解決了發動機和液壓傳動系統的過熱問題。論文對該系統的工作原理、硬體組成、軟體設計作了詳細論述。 -
It utilizes zero impedance branch characteristic, combining structure - transform and structure - static short - circuit current calculation method to calculate the short - circuit current directly through the electrical equipment when short - circuit fault takes place at the two sides of the electrical equipment, and settles the problems that the traditional method cannot directly figure out the short - circuit current
該方法利用零阻抗支路特點，結合定結構和變結構短路電流計算方法，能夠直接求出在電氣設備兩側分別發生短路時，通過電氣設備（如斷路器）的短路電流，從而合理地解決了傳統的故障分析方法不能直接求出流過設備的短路電流的問題。 -
The dissertation places an emphasis on the research of mechanical characteristics of permanent magnet bearings, research is mainly done in the following aspects : mechanical characteristics of permanent magnet bearings is analyzed by static magnetic circuit method and equivalent magnetic charge method respectively, mathematical models are also built by the two methods
本文的工作內容圍繞永磁軸承力學特性的研究展開，主要做了以下幾個方面的工作：採用靜磁路法和等效磁荷法對永磁軸承的力學特性進行了系統地分析，並建立了這兩種方法的數學模型。 -
It is the first time that driving chip used by pdp is applied to the fed panel. by adopting the new ic and the novel driving method, the developed grey scale modulator achieve high flexbility, stability and high integration. the circuit system includes cyclonetm fpga from altera and stv7610 from st microelectronic. with the capability of generating two kinds of modulating waveform, it has the advantages of flexible configuration, high display - quality, high integration and low cost. fpga design is based on the quartus platform. data transforming and the system controlling are achieved by using single fpga
基於altera公司cyclone系列fpga和st公司stv7610驅動晶元設計的fed顯示器的灰度調制電路系統可以支持兩種調制波形，具有配置靈活，顯示性能好等優點，其集成度為原有系統的三倍，且造價更低廉;基於quartusii軟體平臺進行了fpga的系統開發與優化，採用單片fpga完成了全部的數據轉換和系統控制功能， fpga的可編程特性使系統的設計具有充分的靈活性和可擴展性。 -
First of all, a chaos control method based on variable ' s differential feedback is presented and applied to control chaos on chaotic chua ' s circuit. and then based on this chaos control method, two schematic circuits are designed, i. e. continuous differential feedback realization and impulse differential feedback realization. the circuit simulations are consistent with the theoretical analysis and numerical simulations
首先針對混沌chua電路提出了應用變量的微分反饋控制混沌的方法，並設計了基於該方法的兩種電路實現方案，即連續微分反饋控制電路實現和脈沖微分控制電路實現，電路模擬的結果與理論分析和數值模擬具有很好的一致性。 -
The electromagnetic leakages of the two cases above are simulated and compared by using a hybrid method which is formed by the combination of circuit, fem and subcell - fdtd methods
用電路方法、有限元方法和亞網格fdtd方法相結合的混合方法對這種電磁泄漏進行了模擬分析和比較。
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