線性轉發器 的英文怎麼說

中文拼音 [xiànxìngzhuǎnfāqì]
線性轉發器 英文
linear repeater
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 轉 : 轉構詞成分。
  • 發 : 名詞（頭發） hair
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
  • 轉發 : retransmission; transmit; repeat; relay
  1. The research status of the world diesel exhaust aftertreatment technology is summarized systemicallyo at the same time, the development status and problems about oxygenation catalysis converter and particulate filter are analyzed on the basis of mentioned informations, we bring up a diesel exhaust cleanse system, that adopts the technique course of catalysis conversion combining particulate collection and regeneration the system collects exhaust particulate by means of efficacious filtering material it can oxidize ho co and macromolecule solvable organic via catalyst and diesel oil additive enhanced temperature will partly oxidize collected particulate and ultimately achieve the aim of exhaust reduction, after processing system frame design and trial matching, it ' s detected that the system can surely cleanse gas exhaust and particulate in addition, gas - ejected combustion - supporting regeneration for diesel particulate filter is also researched, we have rudimentarily designed the software and hardware of the g as - ejected combustion - supporting system having processed a series of trials, we discover the rules of the system credibly working these rules demonstrate the right direction for researching gas - ejected combustion - supporting regeneration technology

    本文系統地介紹了國內外柴油機排氣后處理技術的研究現狀，分析了氧化催化轉化器和微粒捕集器的發展現狀及存在的問題，以此為基礎，提出了一種柴油機排氣凈化系統，該系統採用催化轉化與微粒捕集及再生相結合的技術路線，通過過濾材料的有效過濾，將排氣中的微粒進行收集，藉助于催化劑和柴油添加劑使排氣中hc 、 co及高分子可溶性有機物氧化，產生的高溫使得收集到的微粒部分氧化，從而達到降低排放的效果。通過系統結構設計和試驗匹配，實現了對氣體排放物和微粒的凈化。同時，論文中還進行了柴油機微粒捕集器噴氣助燃再生的研究，初步設計了噴氣助燃系統，進行了控制系統軟、硬體的開發，通過正交試驗，摸索出了噴氣助燃系統可靠工作的一般規律，為噴氣助燃再生技術的開發提供了方向。
  2. Then following reality constituent of engine and connecting component interface, a nonlinear signal cylinder engine model has been created, though fire interval and fire order, a control - oriented four cylinders engine is build. following dynamometer is seen as load, performance of engine is simulated and researched under the condition of constant torque and speed, validation of the math and simulation model have been confirmed by comparison result between simulation with test result of engine performance simulation software dyno

    按照發動機的實際組成，根據各部件的介面類型連接模型庫中的部件，建立了單缸發動機非線性模型，在此基礎上，依據發動機實際發火間隔和順序，建立了面向控制的四缸汽油機模型，並以測功器為負載，通過恆轉矩和恆轉速方式進行了發動機性能模擬和研究，模擬結果和發動機動力性能模擬軟體dyno測試結果的對比驗證了數學模型和模擬模型的正確性。
  3. Multiferroelectric magnetoelectri materials have a spontaneous polarization that can be reoriented by an applied electric field, a spontaneous magnetization that can be reoriented by an applied magnetic field. these materials have been exploited as transducer, waveguides, switches, phase inverters, modulators, etc. which also find a lot of technological applications in radioelectronics, optoelectronics, microwave electronics in instrumentation

    這類材料同時具有鐵電和鐵磁材料的性能可以應用到傳感器，波導器件，轉換器，相位倒相器，變頻器，調節器等，在無線電電子學，光電子學，微波電子學等領域的發展具有重要意義。
  4. Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted

    在負荷較小時，壓縮機採用低速運轉，吸氣壓力升高，這對系統降低能耗是有利的；變頻控制時，蒸發器製冷劑流量的變化並非線性；系統中採用電子膨脹閥進行過熱度控制，被控對象具有參數時變的特性，相應地宜採用變結構的控制器。
  5. Elimination of the next - hop route lookup bottleneck - - even under worst - case traffic conditions - - combined with the nonblocking 1g bit / sec forwarding paths allow the multigigabit router to achieve wire - speed performance

    消除下一跳躍路由查找的瓶頸（甚至在最壞的流量條件下） ，加上無阻塞1千兆位/秒轉發通道，讓千兆位路由器獲得線速性能。
  6. 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。
  7. A linear relation can be found between response value of ultraviolet absorption detector, fluorescence detector, electrochemical detector and refractive index detector and quality of the object under test ; however, relation between response value of evaporative light - scattering detector and quality of the object under test is usually not a linear one, therefore, mathematical conversion of response value should be made before making calculation when necessary

    紫外、熒光、電化學和示差折光檢測器的響應值與待測物的質量呈線性關系，但蒸發光散射檢測器響應值與待測物的質量通常並不呈線性關系，必要時需對響應值進行數學轉換后進行計算。
  8. Abstract : this paper is mainly about an analog saw - tooth signal generator used for linear histogram test of adcs

    摘要：主要內容是基於線性直方圖法測量模?數轉換器性能的片上模擬鋸齒波發生器的實現方法。
  9. Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly

    但是高性能的交流調速系統實現很困難，這是因為交流電機是多變量、強耦合的非線性系統，不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題，其基本思路? ?應用坐標變換將三相等效為二相，實現定子勵磁電流分量與轉矩電流分量之間的解耦，達到對交流電機磁鏈與電流分別控制的目的，交流電機等效為直流電機實現高性能調速。隨著電力電子技術的進步，計算機技術飛躍發展，高度集成的專用模塊和高精度的數字信號處理器應用於交流傳動系統中，促進矢量控制迅猛發展，日趨成熟。
  10. The basic working principles and characteristics of srm will be described firstly in this paper, as well as its developing survey and researching directions. and then the srd system will be separated into several function parts to be introduced respectively in details : ( 1 ) to analyze the basic characteristics of the srm including electromagnetism, current and torque of every angle field of the rotor based on the subsection - linearized inductance characteristics of stator windings and several idealized supposes. ( 2 ) how to design and realize the h - bridge converter, and the method to use it ; ( 3 ) how to design and realize the controller based on dsp ( tms320f240 ) and the control strategies, as well as the program ; ( 4 ) to introduce the monitor program running in a pc, which is programmed by delphi

    本文首先介紹了srm的基本工作原理和特點以及srd系統發展概況和研究方向，然後以srd的功能構成為線索分部分進行介紹： （ 1 ） srm的特性及控制策略分析，在電感分段線性化等簡化條件下分析得出了各個轉子位置角度區間的電磁、電流和轉矩特性並分析了控制策略； （ 2 ）分析設計了h橋式功率變換器的設計和工程實現的方法，並設計了基於這種功率變換器的換相邏輯； （ 3 ）分析設計了以dsp為核心的控制器以及控制方法，並介紹了該控制器的軟硬體實現； （ 4 ）介紹了如何用delphi編制實現上位機監控程序。
  11. Qbrt, when combined with other high - performance design elements, allows the multigigabit router to forward packets at wire speed on a fully configured chassis under heavy traffic

    當與其它高性能設計相結合時，在高通信流量的情況下， qbrt能讓裝滿路由器的底架上的一個千兆位路由路以線速轉發信息包。
  12. The computations are shown to agree well with available experimental and numerical data and the physics of 3d large - scale flow separations and vortex shedding are confirmed. the simulation of the flow around a maneuvering wigley hull is a demonstration of capability for calculations of sway forces and yaw moments acting on a hull moving obliquely at a large range of yaw angles. the focus of study is large - scale cross - section separation flows, bilge - vortex development along the hull in the longitudinal direction and their effects on hydrodynamic forces

    應用所開發的求解器，以wigley船型為算例計算了大角度斜航船體粘性流場和水動力，分析了漂角的變化對船體所受到的粘性水動力的影響，相當精確地預報了以橫流分離和般渦生成與泄出為特徵的操縱運動船體特有流動形態及橫向水動力和轉脂力矩，經與現有試驗和計算數據比較，檢驗和驗證了該求解器精確模擬繞斜航運動船體的大尺度分離流動和計算非線性水動力的能力。
  13. In addition, the breakdown and the degeneration of pcss " s are serious problems in the applications. in this dissertation the mode of luminous charge domain is perfected ulteriorly by deeply studying the dynamics characteristic of high - field domain of the trans - electron device with experiment stability of nonlinear pcss

    本文在通過對轉移電子器件偶極疇的動力學特徵作了深入分析的基礎上，結合非線性pcss ' s的穩定性實驗，對非線性pcss ' s的光激發電荷疇理論模型作了進一步的完善。
  14. The paper studied controlling rotor vibration with the super - elasticity of sma and sfd, set up the new equation of sys tern vibration according to the stress - strain curve of sma in super - elasticity state, used the nonlinear theory and the dynamic stability theory to study the vibration of rotor controlled by sma, discussed the stability condition of the system, obtained the relationship of system parameters when bifurcation was appeared, supposed a method that improves the stability of rotor system and restrains vibration amplitude though changing parameters, and finally validated the effect of restraining vibration of the improved system through emulation

    摘要研究利用形狀記憶合金的超彈性和擠壓油膜阻尼器控制轉子振動，利用形狀記憶合金在超彈性狀態下的應力應變曲線，建立了新的系統振動方程，運用非線性理論和運動穩定性理論研究轉子在形狀記憶合金控制下的振動狀態，討論了系統的穩定性條件，獲得系統發生分岔時系統參數之間的關系；並提出了通過改變參數來提高系統穩定性和抑制振幅的方法，最後通過模擬驗證了改進后的系統振動抑制效果。
  15. First we collect signals by shake and infrared temperature sensor, transfer them to computer by a / d instrument, dispel zero excursion of sensor and in - linearity of a / d transformation, save them in the form of data file. then transfer them to matlab, analyze and dispose by wavelet function and toolbox. by lot of experiments and data analysis we find distinct change of the character in different fault states

    然後，我們在現場對砂光機進行實驗，利用振動及紅外線溫度傳感器現場實時採集信號，通過a / d采樣卡送入計算機中，採用逆向建模的新方法來消除傳感器零漂及a / d轉換的非線性，再以數據文件形式保存，然後在matlab中調用數據文件，應用小波函數及工具箱對其進行處理分析，經過大量的實驗及數據分析發現在不同的故障狀態下，特徵量有明顯變化。
  16. We put forward a scheme that multisensor data fusion - surface fitting and curve - fitting was applied in this system according to the temperature drift and nonlinear of sensor. communication between personal computer and measurement system of sensor was realized by means of transceiver with the type of max232, which could finish the data conversion, data processing and printing task, with the result that the measurement system was further improved

    針對傳感器測量的溫度漂移和非線性等問題，提出了利用多傳感器信息融合技術?曲面擬合法和曲線擬合法來加以解決，並通過max232收發器實現pc機與傳感器測量系統之間的通信，完成數據轉換、數據處理和列印等功能，使測量系統更加完善。
  17. Consider a machine control system that needs to control a linear stage, rotate multiple shafts, control lighting and read in video data ; in a system like this, there are multiple processes that must happen deterministically, in real - time, and in parallel

    考慮到一個機器控制系統需要控制一個線性電路級，旋轉多個軸，控制照明和視頻數據的讀取，因此，在這樣一個系統中，同時有多個進程必須獨立、實時、并行發生。
  18. Depending on the optimized model of thermal torpedo ' s power & propelling system, the method of rotation rate close - circuit control is used in rotation rate controller, which is based on variable structure control for nonlinear systems. finally, the rotation rate controller is designed and passed through the debugging

    針對魚雷熱動力推進系統的非線性特點，研發出基於非線性變結構控制的轉速控制規律，並成功研製了動力推進系統控制系統的核心部件? ?轉速控制器。經模擬和調試驗證，所搭建的測控系統結構合理、性能完備；轉速控制器滿足使用要求。
  19. The research in this paper offers a new way to design programming icai platform and help to extend and apply par method. innovation and characteristic of the platform as follows : 1, focus on programming theory and improvement of the learner ' s programming ability 2, enable heuristic teaching, teach learners in accordance of their aptitude 3, introduce algorithm with the help of simulation based on java mud - thread 4, learners can get the outcome of program using auto program transform software, such as apla - c + +, apia - java 5, easiness to extend and migrate and to transform to network based icai platform

    文中實現的教學軟體平臺的創新點與特色主要有： 1 、以程序設計理論和方法學為主要內容，注重學員程序設計能力的培養， 2 、結合學習理論，對教學內容進行啟發式教學，針對不同能力的學生做到「因材施教」 ； 3 、具有java多線程的模擬演示功能，形象地介紹演算法原理， 4 、實現了與apla - c + +等程序自動轉化器的銜接，學員可立即得到執行結果， 5 、軟體可擴充性、可移植性強，易於轉化為網路化教學平臺。
  20. According to the structure characteristics and motion rules of the new type nursing robot, the close loop control system of this new type nursing robot is designed and made with the virtual instrument developing software labwindows / cvi, mcu, piezoelectric ultrasonic motor and high precision optical incremental encoder, which can make the robot reset and rotate by the predefined tracks. at the same time, in order to make the nursing robots used more widely where intensity, precision and price are not high, another control system is designed with the step motor, virtual instrument developing software labwindows / cvi, multi - function daq card pci1711, linear power amplifier. in order to use the nursing robots in acupuncture therapy, a simple finger is designed

    在對其結構特點和運動規律分析的基礎上，本文以虛擬儀器編程語言labwindows / cvi為軟體開發工具，以單片機為控制核心，以超聲電機為驅動元件，以高精度光電編碼器作為速度和角位移檢測裝置，實現了機械臂的復位以及預定軌跡的閉環控制系統的開發;同時為適應一些強度不大、精度要求不高的應用場合，也為降低成本，簡化控制裝置，推動新型護理機械臂短期內應用推廣的需要，以目前應用較為廣泛、控制技術較為成熟的步進電機為驅動元件，用labwindows / cvi開發環境、 pci1711數據採集卡以及線性功率放大器開發了一套控制系統，實現了手臂的復位、勻速運動以及預定軌跡的控制系統;為推廣護理機器人在針灸理療中應用，設計了簡單的手指機構並利用labwindows / cvi開發環境，以及智能材料驅動器? ?層疊式壓電驅動器，進行了手指的抓取以及對驅動對象的轉動控制。
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