電力電子基礎 的英文怎麼說

中文拼音 [diànlìdiànzijīchǔ]
電力電子基礎 英文
basic fundamentals of power electronics
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 礎 : 名詞（墊在房屋柱子底下的石頭） plinth
  • 電力 : [電學] power; electric power電力變阻器 power rheostat; 電力捕魚 electrofishing; 電力潮流 directio...
  • 電子 : [物理學] [電學] electron
  1. As a fundamental subject of many science departments and engineering departments, general physics, including mechanics, thermodynamics, optics, electromagnetism and atomics, is a required professional course for university students of science departments and engineering departments, making the physics teaching representatively and extensively in bilingual teaching

    摘要普通物理（含力學、熱學、光學、電磁學和原子物理學）是高等院校理工科大學生必修的專業基礎課，是理工科課程的基礎課，這使得物理教學在雙語教學上既具有代表性又具有廣泛性。
  2. Six foundation works : first, projects to prevent flood, avoiding huai river overflow again ; second, projects of comprehensive traffic, perfecting the highway, railway, waterway and aviating traffic network ; third, ecological environmental protection project to improve peoples living conditions and strengthen environmental ecological construction progressively ; fourth, construction of " digital fuyang ", realizing datamation of product design, automation of production process, and electronization of commercial market ; fifth, sincere project of fuyang, advancing all kinds of sincere institutional improvement of same trade, forming morals based on sincerity, and personal integrity ; sixth, talents market project, developing human resources diversely

    六項基礎工程：一是防洪保安工程，切實根除淮河心腹之患；二是綜合交通工程，完善公、鐵、水、空綜合交通網路；三是生態環保工程，改善人居生活條件，加強環境生態建設；四是數字阜陽工程， .逐步實現產品設計數據化、生產過程自動化、營銷商務電子化；五是誠信阜陽工程，推進各類同業誠信制度建設，形成誠信為本、操守為重的社會風尚；六是人才強市工程，多方位開發人力資源。
  3. Vsp is both a pivotal tache in logistic distribution optimization and indispensable in electronic commerce. it can increase logistic economic benefit and realize logistic rationalization. the systemic study on the theory and method of vsp is the base on the growth of logistic intensivism, the establishment of modem chain of command, the development of its and ec. now, the problem is not only applied to the field of auto transportation, but also to ship avigation communication electricity industry management computer application etc. the algorithm has been applied into many combinatorial optimization problems such as the trainman ' s shift arrangement in avigation the optimization design of cargo arrangement in ship company

    對貨運車輛進行調度優化，可以提高物流經濟效益、實現物流科學化。對貨運車輛調度優化理論與方法進行系統研究是物流集約化發展、建立現代調度指揮系統、發展智能交通運輸系統和開展電子商務的基礎。目前，問題的形式已有很大發展，該問題以不僅僅局限於汽車運輸領域，在水運、航空、通訊、電力、工業管理、計算機應用等領域也有一定的應用，其演算法已用於航空乘務員輪班安排、輪船公司運送貨物經過港口與貨物安排的優化設計、交通車線路安排、生產系統中的計劃與控制等多種組合優化問題。
  4. The structure of this paper goes like this, the first chapter introduce the development of e - b / l in practice and in laws. and draw a conclution that the electrification of the b / l is a history tide. in the second chapter, on the basic of reseach the security trap in e - b / l running, 1 conclude six security elements of, e - b / l : the liability of the system, the authenticity of dealers ' identity. the integrity and secrecy of electronic data, and the validity and evidence effectiveness of electronic data. from the third chapter to the eighth, 1 reseach these elements one by one. the third chapter introduce the establishment of the e - b / l security system, and some related laws the fourth chapter introduce the certification authority of e - b / l. in the fifth chapter, 1 introduce the encrypt of electronic information and some countries ' control on use / import / export crytography. the sixth chapter introduce the concept and principle of digital signature, and reseach some related legal issues. the seventh chapter reseach the legal demand of validity, then come to a conclution that to establish a independent electronic information system is necessary. in the eighth chapter, 1 reseach some countries " regulation on the evidence effectiveness of electronic data

    第二章在分析電子提單運作中的安全隱患的基礎上，歸納出其六大安全要素，即系統的可靠性、交易者身份的真實性、數據電訊的機密性和完整性、數據電訊的合法有效性以及交易者行為的不可抵賴性。第三章到第八章分別對這六大要素進行分析：第三章介紹了電子提單網路安全體系的建立以及系統安全保護法規，第四章則介紹了電子提單的安全認證機構，第五章介紹了信息加密技術以及各國立法對密碼技術的進出口及使用的控制，第六章介紹了數字簽名的概念及原理，並以bolero為例介紹了數字簽名的技術方式，對有關法律問題作了論述；第七章首先論述了電子提單對有效性的法律需求，然後結合國內法和國際規則的規定論證了數據電訊制度產生的必然性；第八章通過對各國立法對電子證據的法律效力的規定，論述了對電子交易至關重要的數據電訊的不可抵賴性。
  5. The author then expound the definition, function and advantages of the electronic b / l from the comparison between “ electronic b / l ” and “ b / l computerlizing ” to help the readers to acquaint themselves with some basic elements of the electronic b / l. “ the second chapter introduces the operation of the electronic b / l in practice basing on the above introduction. the general idea of its operation is given through the introduction of “ seadocs ” experiment 、 “ cmi ” rules and “ bolero ” system - - three of the most influential electronic b / l projects and some other representative ones

    第二章在對電子提單有所了解的基礎上較詳細地介紹了電子提單的應用情況，通過對「 seadocs試驗」 、 「 cmi規則」和「 bolero系統」這三個國際上最有影響力的電子提單實踐項目以及其他一些較有代表意義的電子提單實踐項目的介紹，讓讀者對電子提單的發展情況有一個主要的了解。
  6. As a result, this procedure can lower the cost of power electronics device. on the base of investigating a number of references, the thesis put forward the conceptional summarization to the power electronic building block ( pebb ) system

    在參閱大量文獻的基礎上，論文在針對電力電子系統的概念進行了概念性的總結，並且對以前提出的解決方案進行分析和概括。
  7. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後，本文還對絮凝動力學和絮體結構進行了研究，在前人研究的基礎上，針對高分子絮凝黃河泥沙，對絮凝過程作了一些符合試驗條件的假設，建立了顆粒碰撞頻率表達式，應用了顆粒數量平衡方程，從而建立了絮凝過程的動力學生長模型，模型計算結果與試驗數據對比表明，二者趨勢一致，在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程；對絮體結構的研究中，應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察，將絮體分為絮粒、絮團和絮網三個不同的生長階段，通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體，建立了絮體結構模型，計算得到的模型絮體分形維數基本與試驗中的實際絮體相符，在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  8. On the basis of optoelectronic dynamics and nucleation and growth model, we simulated photosensitive process by the following steps : the creation of optoelectrons, carriers " transmission and decay, until the formation of latent image. in our simulation code, monte carlo method was adopted in order to simplify the algorithm

    本工作以光電子動力學理論為依據，利用成核生長（ nucleation & growth ）理論模型，並在此基礎上採用montecarlo方法，模擬了光電子的產生、遷移、衰減、直到形成潛影中心為止的感光過程。
  9. A novel phase - shifted zero - voltage and zero - current switching pwm dc / dc full - bridge converter is presented in this thesis, which is based on the groundwork of summarization of the development of power electronics in recent years and lucubration in theoretical basis of modern high frequency soft switching power convert technique and analysis of operation principle, characteristic of the circuit and inherent drawbacks of the traditional phase - shifted zero - voltage switching pwm dc / dc full - bridge converter

    本文在對近年來電力電子學科的發展高度綜述和對現代高頻軟開關功率變換技術理論基礎深入研究的基礎上，對傳統的移相控制zvspwmdc dc全橋變換器的工作原理、電路特性、存在的缺點進行了分析，在此基礎上提出了一種改進型的移相控制zvzcspwmdc dc全橋變換器。
  10. In light of the limitation of fast fourier transform ( fft ) for the method of traditional spectrum analysis to analyze the unsteady signal, wavelet and wavelet analysis are made for the typical unsteady process signal of starting up and shut down with the good characteristic of simultaneous localization in both the time and the frequency domains based on the field test on the vibration of two - row placed units in lijiaxia hydropower station, in which the signal is decomposed into different frequency band, and then the weak signal is caught and the dominant frequency is picked up for the analysis of the vibration source

    摘要基於李家峽水電站雙排機組振動的現場試驗研究，並且針對傳統頻譜分析方法傅立葉變換（ fft ）對于非平穩信號已力不從心這一缺陷，利用小波分析方法在時域和頻域上同時具有良好的局部化性質，通過對開停機這一典型非平穩過程信號進行小波及小波包分析，將其分解到不同頻帶內，獲取微弱信息和提取優勢頻率，並對其作振源分析，得出開停機初始時刻因水流不穩均出現強烈的振動現象，且低頻段信號能量最大，開停機過程水流脈動壓力和尾水渦帶擺動是引起定子基礎振動的主要原因。
  11. With the development of computer, power electronic, sensor technology, intelligent electric apparatus is the evolution direction of electric apparatus in 21 century. existing contactor testing technology ca n ' t meet the requirement of theory research and production development. based on analyzing the present situation and trend of contactor testing technology, both of contactor testing technology and performance evaluation method, are researched in this paper

    隨著計算機技術、電力電子技術、傳感器技術的不斷完善和發展，智能電器已經成為21世紀新型電器發展的主要方向，現有的接觸器測試技術己難以完全滿足理論研究和產品丌發的需要，為此，本文在分析接觸器測試技術發展的現狀及趨勢的基礎上，對接觸器動態測試技術及性能評判進行研究。
  12. This paper analyses that power electronic controller ’ s hardware and software can be modular designed ， refers the ideology of “ development platform ” ， brings forward the thought of constructing a power electronic general controlling development platform

    本文在分析了電力電子裝置控制器軟硬體可實現模塊化設計的基礎上，借鑒了「開發平臺」的軟體設計思想，提出了在嵌入式系統的基礎上架構電力電子通用的控制開發平臺的構想。
  13. High frequency soft - switching conversion is an important subject of power electronics. it is a powerful approach of minimization of size and weight for power supplies

    高頻軟開關技術是電力電子學的一個重要的研究方向，是實現功率變換裝置小型化，模塊化的基礎。
  14. High resolution digital smps becomes the hotspot in the power supply field. more and more attention has beed payed to how to realize high resolution digital smps, and it has already taken a long step develop. improving the resolution of digital smps by new techniques becomes a forever topic. under the learning of the status and develping trend of smps, considering the practical requirement of task, a control system of smps implemented by microcontroller with high resolution, high speed, high integration is carried out. by combining the embedded system and power electronics, it is discussed that a high resolution smps ’ s output voltage with 0. 01 % resolution pwm wave output, in the basis of microcontroller, and the pwm wave double modulation arithmetic

    不斷用新技術手段實現數字開關電源的高精度是一個永恆的話題。經過了解國內外開關電源的發展現狀和發展趨勢，結合實際課題的要求，提出了使用高精度、高速度、高集成度的微控制器組成開關電源的控制系統。討論了將嵌入式系統與電力電子結合，在微控制器硬體基礎上通過軟體pwm波雙調制演算法輸出高精度pwm波，實現開關電源輸出電壓的萬分之一精度的方法。
  15. First in this paper, the characteristics and control methods of bldcm is discussed. on the basis of the run state and control method of the bldcm, combining the electric power and electronic technology, micro electric technology, special integrated chips and the theory of motor control theory, setting up the model of electric power inverter system by using the simulating software - matlab, the control schemes are given when the motor is working in the state of electromotion and electrical regeneration

    首先本文介紹了永磁無刷直流電動機的特點及其控制方法，結合電力電子技術、微電子技術、專用集成晶元、電動機以及控制等理論，在重點研究了電動汽車用永磁無刷直流電動機的運行狀態和控制方式的基礎上，利用matlab模擬軟體建立了電力電子逆變系統的模擬模型，給出了電機處于電動狀態和能量回饋狀態時的控制策略。
  16. Newtonian mechanics and electromagnetism, supplemented by thermodynamics and optics, constitute the classical physics while quantum mechanics and its simple application to understand the behavior and structure of matter at various levels constitute the modern physics

    經典物理以經典力學和電磁學為骨幹，輔以熱力學和光學。近代物理以量子力學為基礎，探討並了解物質各種層次的結構和行為。
  17. The specialized assurance ( also named specialized aircraft service ), with a studying length of 3 years, features in that the students are mainly chosen from the information technology major. the courses include politics, chinese, mathematics, english, information technology and application, physical education and health care, art appreciation, mechanical drafting, the basis of electricity, oral english, wielding skills, mechanical transmission, electronics, electrical towage and control, overview of aviation, electrical meters & measurement, scm, electronic cad, aircraft maintenance service, ground handling service, civil aviation english, etc

    主要開設有政治、語文、數學、英語、信息技術與應用、體育與保健、藝術欣賞、機械制圖、電工基礎、英語口語、焊接技能、機械傳動、電子學、電力拖動與控制、航空概論、電工儀表及測量、單片機、電子cad 、航空機務與維修、航空地面服務、民航英語等課程。
  18. In order to settle this problem, basing on a power electronic controlled fast adjustable perterson coil, this paper provide a new principle of selecting the line with the fault, which make use of the dynamic changes in the current through the zero order line

    為了解決這一問題，本文在一種由電力電子技術控制的快速調節消弧線圈的基礎上，提出一種新的故障選線原理，利用線路零序電流的動態變化量來選線。
  19. Our main products are complete sets of equipment, universal machinery. mining & transport machinery, mining & smelting machinery, light industrial & agricultural machinery, motors & generating sets, machine tools & accessories, electric & electronic products, optical instruments, meters & instruments. valves, bearings, casting & forging parts

    外貿業務：各類機械成套設備、通用機械、工程和運輸機械、礦山和冶金機械、輕工和農業機械、動力和發電機械、機床及機床附件、電工、電子產品、光學儀器和各種儀器儀表、閥門、軸承和鑄鍛基礎件。
  20. The programme provides fundamental education in all areas of electrical engineering such as energy conversion, electronics, communications, signal processing, information technology, computers and software engineering, etc. in their senior years students can specialize in electrical energy related areas of their interest such as electrical energy supply, electric transportation, power electronics and building services

    本課程提供全面的電機工程基礎教育包括能量轉換電子通訊訊號處理資訊技術電腦軟體工程等等。在第四年，學生將有機會按其興趣研究與電機能量相關的領域，如電機能量供給電氣傳動電力電子和樓宇維修。
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