章動器 的英文怎麼說
中文拼音 [zhāngdòngqì]
章動器
英文
nutator-
The circuits driving the ccd and processing the video signal are implemented by means of cpld ( complex programmable logic device ) and hdl ( hardvvare description language ). the solution to solve the problem of multi - level logical competitive risks that occur in cpld circuits frequently was provided in details in the thesis
Ccd的驅動電路和視頻信號處理電路採用cpld (可編程邏輯器件)和hdl (硬體描述語言)實現,文章對cpld電路中容易出現的多級邏輯冒險競爭情況作了專門的敘述和提出相應的解決方法。Although the road from the research and development stage to making concrete contributions to the community is a long one, polyu has garnered substantial and invaluable experience and achievements in the areas of advancing technological innovation, serving the community with our research deliverables as well as commercializing our research output. while our well - known space tools space holiner forceps and mars rock corer have already made their mark in different parts of the world, we have also made use of our research deliverables to serve those in need. earlier this year, local newspapers have given significant coverage to the case of a quadriplegic patient who had lost his will to live and appealed to legislative councillors for the legalization of euthanasia. fortunately, as soon as this incident went to the press and was brought to the attention of our rehabilitation engineering experts, our colleagues were more than willing to offer a helping hand with their professional expertise
雖然由科技發展到對社會作出實質貢獻是一條漫長的道路,但香港理工大學在推動創新科技、用科研成果服務社會和產業化等方面,已取得了一些寶貴的經驗和成就。除了廣為人知的太空儀器太空鉗和巖芯取樣器的開發,我們也利用科技成果幫助社會上有需要的人士。例如今年年初,報章大篇幅報導了一位四肢癱瘓的長期病患者因為意志消沉,曾去信立法會議員請求將安樂死合法化,以便他能了斷自己的生命。1 tray, stand, scan - to - email ; 128 256 mb memory print scan ; postscript ; stamp ; dadf ; automatic duplex paper input
1紙盤模塊工作臺掃描到電子郵件組件128 256 mb內存用於列印掃描postscript組件印章組件雙面器自動雙面輸稿器In oilfield, feeder line of 6kv often has many branches. the pole high voltage automotive capacitor compensation system controlled by single chip computer is designed for this situation. in the system, we separate the measure position and compensation position and realize the supervision of reactive load in local area
文章以油田6kv輸配電線路為例,針對多分支樹狀結構線路的特點,研製出由單片機系統控制的戶外術上型高壓電容器自動補償系統。When this occurs, the scsiport driver expects to find the device queue in a busy state. download this patch to resolve this problem
此更新程序解決了windows 2000計算機中的「 scsi埠驅動器」性能問題,並在microsoft知識庫文章q276253中討論了該問題。However, it is possible for the queue to be in a not - busy state if it was drained by delivering lunextrequests to the miniport driver. when this error occurs, the scsi bus resets
此更新程序解決了windows 2000計算機中的「 scsi埠驅動器」性能問題,並在microsoft知識庫文章q276253中討論了該問題。Then in allusion to biased momentum wheel system, based on classical control system a pid controller was design about pitching channel. according to specialty of roll - yawing channel, this paper discuss long - time cycle movement and short - time cycle movement. when design the control method of long - time cycle movement, whiff thruster is used to assistant the control system. when design the control method of short - time cycle movemen, in order to sovle the problem of coundn ’ t abtain the angular velocity signal, nonminimum phase controller advanced by terasaki is used
然後針對偏置動量飛輪系統,基於經典控制理論設計俯仰通道的pid控制律,根據滾動?偏航通道耦合的特點,分別討論了由軌道角頻率和章動頻率引起的長周期運動和短周期運動。其中長周期運動控制律設計時,結合了噴氣推力控制來輔助偏置動量控制;短周期運動控制中,為了解決不能獲得角速度信號的問題,採用terasaki提出的非最小相位控制器進行控制。In chapter l, the present state of locomotive load test is summarized ; the defect of water resistance - load and original resistance - load is analyzed ; then igbt being applied in resistance - load test bed is proposed and the trend of the thyristor is forsight in chapter 2, the principle of igbt driving & protecting circuit is studied, and the dissertation introduces the hybrid circuit designed for driving igbt module and its protection technique
第一章綜述了目前國內機車負載實驗的狀況,分析了水阻試驗臺和原干阻試驗臺的缺陷,提出了採用igbt技術改造新的干阻試驗臺,並展望了功率半導體的發展前景。第二章研究了igbt的驅動和保護的原理和技術,並介紹了專用的驅動器m57962l和igbt的保護方法。Movable infrared tunable micro filter, 8x8 moems optical switch array and micro electromagnetic actuator used as driver of moems movable device are separately explored in chapter three. firstly, the infrared tunable micro filter is designed according to theory analysis of micro tunable grating
論文用三章的篇幅分別對微型可調諧紅外濾光器、 8 8moems陣列光開關等可動器件及作為moems可動器件驅動源的微型電磁驅動器進行了探索。In the third part, taking advantages of the tests of acceleration, stress and strain, the exciting test, and modal analysis method, it is found out that resonance vibration leads to the compound - bending fatigue fracture of the bolts. accordingly, a series improvement measures are proposed
第三章通過對分動器及長螺栓、短螺栓的加速度、應力應變測試分析實驗和激振試驗、模態分析研究,確定螺栓斷裂問題的根源在於共振響應導致疲勞斷裂,並提出了一系列的改進措施。Step power is the key for step magnetic potential, the pulse width modulate technology that selects the triangle wave as the carrier and ladder sine wave as the modulate wave is researched, furthermore the design of the actuator drive adopts dsp as the digital controller is introduced
步進電源是產生步進磁勢的關鍵,文章研究了三角波為載波,階梯正弦波為調制波的脈寬調制技術,進而介紹了採用dsp組成全數字控制器,完成步進電源觸發的執行器驅動器的設計。Chapter 4 introduces in detail the dimming principle of the principle and subordinate dimmer and the software design. at the same time, the paper provides the new design scheme combined the eib dimming driver with the national principle and subordinate dimmer. finally, the paper depicts the design procedure of the whole dimming driver
第四章對主從調光器的調光原理和硬體、軟體設計進行了詳細的介紹,同時提出了eib調光驅動器+松下主從式調光器這一創新的設計方案,並結合eis2規范,詳細描述了整個調光驅動器的設計流程。It emphasizes on development of ct drive of profibus and ge 90 - 30 plc communication software, and draw a conclusion that using site bus can make the relation between plc and drives more close and can expediently exchange huge amount of data between them, therefore make it possible to realize epistatic control
本章重點探索了基於profibus的叮馬動器與m90 30plc的通訊軟體的開發,由此得出了使用現場總線后可以使得plc與驅動器之間的聯系更為緊密,可以彼此方便地交換大量數據,從而使上位監控成為可能。Chapter 6 makes a design which points to the controller & driver for the lcos chip, this work are based on the chapter 5 and 6, take the length of this paper into account, we mainly focus on the core part of the controller & driver, which is the fpga logic controller
第六章針對hmd的lcos像源的驅動控制器進行了設計,本章工作以第四章和第五章內容為基礎,限於篇幅起見,主要圍繞控制驅動器的核心部分fpga邏輯控制器的設計進行闡述。In the first part of this thesis, the fracture problem of the bolts installed in in the head cover of the torque divider of ts5560 special automobile is introduced, and the domestic and abroad research work on vibration measurement and experimental modal analysis is presented
7000公里跑車試驗證明,這些措施是行之有效的,從根本上消除了m10 180螺栓的疲勞斷裂問題。本文第一章主要介紹了分動器螺栓斷裂問題的工程背景以及振動測試、試驗模態分析技術的國內外研究現狀。For more information about proper quorum drive configuration, see the knowledge base article,
有關正確的仲裁驅動器配置的詳細信息,請參閱知識庫文章In chapter 2, based on theoretical research of the actuation mechanism, the characteristic of the wtds - ia actuator is tested. then a linearization method is presented. thirdly, the preisach model of hysteresis of piezo ceramic actuator is set up
第二章對壓電陶瓷驅動器的驅動機理進行了理論分析,實驗測試了wtds ? ia型壓電陶瓷驅動器的特性,並提出了一種線性化方法來對驅動器輸入輸出的非線性進行修正,最後建立了壓電陶瓷驅動器的preisach遲滯模型並進行了實驗研究。Numerical model about the magnetic force between magnetic field generated by electric field and the magnet is established. in chapter 4, based on the basic numerical model, a multi - energy such as electricity magnet - mechanics numerical model of cantilever beam style magnetic microactuator is established. using matching method, the impact on the outer radius of coil and magnetic force resulted from the distance between the magnet and the coil is analyzed
第四章、在基本數學模型的基礎上,建立了懸臂梁式磁微致動器的電?磁?機械的多能量域數學模型;利用參數匹配分析的方法,研究線圈和梁之間的間距對線圈外徑和磁力的影響;利用分析結果進行結構設計,並用有限元分析對不同參數條件的致動器進行了數值模擬,研究了不同磁體參數對致動力的影響。In chapter 3, the modeling characteristic and actuality of micro - planer winding magnetic microactuators is reviewed. based on the basic principle of electromagnetic, the relation between the planer coils and magnet of the basic physical model is calculated. the difference of magnetic field generated by circle coil and rectangle coil is presented
第三章、論述了微平面線圈磁致動器建模的特點和現狀;根據電磁場的基本理論,對基本物理模型的平面線圈和磁體之間的作用關系進行了推導;研究了圓形線圈和矩形線圈產生磁場的區別;提出並建立了圓形平面線圈的電場產生磁場以及對磁體作用力的數學模型。The thesis is composed of 9 parts : the background, significance, main topics and innovations in the thesis are introduced in chapter 1 ; in chapter 2, the main function and performance of interface circuits are described from the view of system by using the example of gigabit ethernet ' s transceiver ; the transmission media ' s frequency characteristics and model are analyzed for the high - speed data transmission system in chapter 3 ; the line driver is presented in chapter 4 ; the equalization principles for high - speed data transmission system are introduced in chapter 5 ; a novel adaptive equalizer for 1000base - cx transceiver is presented in chapter 6 ; in chapter 7, a fixed equalizer for 2. 5gbps transceiver is described ; in chapter 8, layout design and measured results are discussed ; at last, the conclusions are drawn in chapter 9. during period of finishing the thesis, i read lots of literatures about the interface circuits in high - speed data transmission system, studied their principles and design techniques, and designed : 1 、 the line driver for 2. 5gbps baseband copper cable transceiver ; 2 、 the fixed equalizer for 2. 5gbps baseband copper cable transceiver ; 3 、 the fixed equalizer for 1. 5gbps sata ( serial at attachment ) transceiver ; 4 、 an adaptive equalizer for 1000base - cx transceiver
論文由9部分組成:在第一章引言中介紹了論文的背景、意義、國內外研究現狀,以及論文的主要內容和創新;第二章以千兆位以太網為例,從系統的角度介紹了高速數據傳輸系統介面電路的主要功能和性能指標;第三章分析了高速數據傳輸系統的傳輸介質的頻率特性和模型;第四章描述了線驅動器的設計原理及其電路實現;第五章描述了高速數據傳輸系統的均衡原理;第六章描述了適用於1 . 25gbps基帶銅纜收發器系統的自適應均衡器的設計原理和電路實現;第七章描述了適用於2 . 5gbps基帶銅纜收發器系統和1 . 5gbps串列硬盤介面( sata )收發器系統的固定均衡器的設計原理及其電路實現;在第八章中分析了電路的版圖設計及晶元測試結果;最後,第九章總結了全文。在完成論文期間,查閱了大量的有關高速數據傳輸系統介面電路方面的文獻,較系統地學習了線驅動器、傳輸線和均衡器等方面的理論知識和電路設計原理,設計了用於: ( 1 ) 2 . 5gbps基帶銅纜收發器系統的線驅動器; ( 2 ) 2 . 5gbps基帶銅纜收發器系統的固定均衡器; ( 3 ) 1 . 5gbpssata系統的固定均衡器; ( 4 ) 1 . 25gbps基帶銅纜收發器系統的自適應均衡器。分享友人