電中點 的英文怎麼說
中文拼音 [diànzhōngdiǎn]
電中點
英文
electric center-
When measuring the magneto performance parameter ， we find that the instrument which use to measure voltage and current is still the simple voltmeter and amperemeter in the national standard ， and the form of wave that we observed is anomaly. based on the measure principles, it obviously ca n ' t be used to do quantitative analysis ； because the discharge process of ignition system is quite complex, accompanies with very strong electromagnetism interference, and the ignition current and voltage are variable ， it make the measure of ignition energy become a difficult thing of ignition system performance detection
在磁電機常規測量時，發現在國家標準中用於測量電壓、電流的儀器仍然是普通的電壓、電流表，而觀測到的波形多為不規則的形狀，根據測量原理，顯然不能用其來做定量的分析；由於點火系統的放電過程比較復雜，伴隨著很強的電磁干擾，點火電流、點火電壓都是變量，使得點火能量的測量成為點火系統性能測試的一個難點。This paper describes the function of oscilloscope, the possibility and the combination with avometer in examining and repairing color tv in the view of the emerge of new technologies, new circuits and new types and also points out the significance of the examination and repair of tv with " oscilloscope plus avometer "
摘要針對目前彩電新技術、新電路、新機型的推陳出新，通過闡述示波器在檢修彩電中的作用、可行性以及和萬用表配合使用的結合點，指出「示波器萬用表」檢修彩電的重要意義。For the 30. 2mm shaft, there are still larger over measure to load. the strength is increased by optimization. for ? 17. 4mm shaft, the strength is increased by enlarge the inner dimension of the spline ; for 30. 2mm shaft, the strength is increased by adjust the structure at the boundary between the key groove and the ring groove, the highest stress of the shaft is at bottom and terminal of the spline after optimization
其中對17 . 4mm泵軸的優化，通過增大花鍵內徑，提高了花鍵齒底的強度，降低了應力集中點附近的應力；對30 . 2mm電機軸的優化，通過在軸承鍵的環槽端增加倒角，有效降低了該位置的應力集中，使軸的最大應力點從軸承鍵與環槽的交界處轉變到花鍵根部與收尾的交界處，提高了電機軸整體結構強度的合理性。Output voltage and current is often distorted in half bridge converter because voltage unbalance of input capacitors though its application is very abroad
摘要半橋逆變器應用廣泛，但存在直流分壓電容不均壓，使分壓電容中點電壓漂移，導致輸出電壓和電流畸變的缺點。Aligned grid valve
柵極中點校直的電子管Aligned grid tube
柵極中點校直的電子管Individually controlled air conditioning heating, broadband internet service mini bar, colour tv with satellite channel and pay tv system, luxurious bath and shower, free tea and coffee, smoking alarm system, emergency control panel for lights, radio and tv, emergency exist and in - room safety deposit boxes
客房內設有寬帶網客用保險箱和留言服務可向您提供中英日泰多國語言共二十二個頻道的衛星電視， hbo衛視央視三套電影頻道及vod電視點播節目。" i do notice every time somebody lights up a cigarette in the movies, i ' m always aware of it, " reiner said
本文來自news . jewelove . net賴納說： "演員在電影鏡頭中點煙的時候，我就會格外注意。Because central potentials of four y windings in 12 - phase generator are not equal each other and there is no common reference inside the generator, it is difficult to identify the on / off of rectifying elements. in this paper, by using a mathematical model with line voltage substitute for phase voltage, the problem that there is no common reference in the 12 - phase generator with rectifier is solved. based on results of the studies on small prototype, 920kw charging generator applied in a submarine is improved in design, and therefore power oscillation with high magnitude when two generators are operating in parallel
由於十二相發電機中四個y繞組的中點電位不等，電機內部沒有公共參考點，從而在判斷整流元件導通時，不能象三相同步發電機整流系統那樣認為陽極電位最高或陰極電位最低的整流元件導通，本文採用了以線電壓代替相電壓建立十二相整流發電機的數學模型，從而解決了十二相發電機無公共參考點的問題。Analysis on the electric contacts failure in mobile phones
手機中電觸點的失效分析The latest development of elmc, which is composed of distribution power center unit ( dpcu ) and electrical remote terminal ( ert ), is generalized in the paper. elmc scheme is presented according to the characteristic of avionics and the request of fault tolerant electrical power system ( ftep ). ftep structure based on 270v direct current is then designed to realize the demonstration of dpcu
本文首先分析了elmc在國內外研究發展狀況，並依據航空電子系統特點和容錯供電要求，提出了由配電中心和控制中心組成的elmc的總體方案；完成了270v高壓直流供電的飛機容錯供電系統方案的設計，實現了供電系統中二次配電方案的控制與管理的模擬演示。As a result, some key technologies of sdr such as modulation, demodulation, ddc and dug have been hot topics. in this paper, some key technologies of sdr are researched deeply
於是，軟體無線電中的一些關鍵技術，例如：調制解調技術，數字上變頻，數字下變頻等成為該領域的研究熱點。Vod ( video on demand ) system can be widely used in many fields, such as long distance education, digital library, news on demand, tv on demand and etc. video server is the key part of vod system, whose performance has direct effect on the service quality of vod system
視頻點播系統可以廣泛地應用於遠程教學、數字圖書館、新聞點播、電子商貿、電視點播等文化、商業及娛樂的各種領域，具有很高的實用價值。視頻服務器（ videoserver ）是視頻點播系統中最關鍵的組成部分，它的性能直接影響視頻點播系統所提供的服務質量，因此視頻服務器的設計是分散式多媒體領域的重要研究課題。For pump shafts, the results reveal that the stress in the spline is higher than the other parts of the shaft, and the highest stress is at bottom and terminal of the spline. in fact, the broken of shafts is at the same position ; it demonstrates that the calculation is right
實踐證明，軸斷部位基本集中在潛油泵軸花鍵的根部，說明計算結果和實際是吻合的；對于潛油電機軸，應力集中點主要處在軸承鍵與環槽的交界處和花鍵的根部。By incorporating the power sources location and load prediction results in the energy utilizing proposal, a balance for the power volume needed by 3 counties in the area in three " five - year plans " period is also made, the result of which indicates that, it can meet the power demand required by the social - economic development in the region in next three " five - year plans " if the water power resources are rationally planned and developed and then a comprehensive energy utilizing proposal by combining solar and winding energy together
並結合區內電源點分佈和負荷預測結果，進行了各縣三個五年計劃期間的電力電量平衡。得到了相應的結論。基於對風能、光能和水能資源開發各自特點的分析，文中進一步對多能互補系統進行了較深入的研究，明確了在阿里地區特定的自然條件下，採用風光互補抽水蓄能開發方式的合理性及可行性。In the switched - off condition or when the current supply is interrupted the three relay contacts on the output terminals 3 to 8 are open
在開關關閉或供電電流中斷時，輸出終端3到8上的三個繼電觸點打開。Reference to the experiments of international direct power - purchase patterns and the revolution direction of chinese electric market, the paper studies some important and hard problems in the pattern of direct power - purchase for large user, which include the relationship of the direct power - purchase pattern and power - grid safety, the problems of large user ' s recently list price, the congestion management and congestion cost distribution, the wheeling cost of direct power - purchase, the economic comparison between the direct power - purchase pattern and the construction of the self - supply power plant for large user, the management of supervision, credit and balancing the account
本文借鑒了國外直購電開展的經驗，結合中國電力市場化改革方向，論述了大用戶直購電模式中的重點和難點問題，包括直購電模式與電網安全性問題，大用戶電價現狀及問題，直購電中的輸電阻塞管理及阻塞分攤，直購電輸電過網費計算，直購電與建設自備電廠的經濟性比較，直購電監管問題、信用問題和結算問題。This paper uses " virtual neutral point method " to measure the " zero crossing ", then the soft deal " zero crossing " to get the six key position to commutate
本文採用虛擬中點的方法來識別反電勢過零點，然後對過零點進行處理得到無刷電機換向的六個關鍵位置。The paper discusses the work princinple of ldcsm, adopts singlechip as core control cell, puts forward two kinds of control schemes, analyzes and study the technique scheme, hardware and software design of each control system separately in detail, on the basis of the centralized winding electrifying trait and pulse stepping control method of two phase hybrid linear dc step motor ( hdclsm )
論文在討論了直線直流步進電動機工作機理的基礎上，根據兩相混合式直線直流步進電動機（ hdclsm ）集中繞組的通電特點和脈沖步進控制方法，採用單片機為核心控制單元，提出了兩種數字控制方案，分別就每種控制系統技術方案、硬體電路、控制軟體設計等技術內容進行了詳細地分析和研究。Abstract : the multifunctional inverter power sourcethe handy inverter welding, plating & charging manchine, developed with advanced inverter and micro - electronics control techniques, adopts “ half - bridge power expansion supply midpoint voltage autocontrol setting ”, and technically and effectively having solved inverter subvision of inverter power expansion circuit for leaning magnetism, reliability of high - power inverter setting, achives combination of constantcurrent and constantvoltage export, and realizes low - voltage dc and high - voltage ac double power supply
文摘:運用先進的高頻逆變技術和微電子控制技術設計研製的逆變式多功能電源便攜式逆變焊鍍充電多用機，採用「半橋式功放級供電中點電壓自動控制調節裝置」 ，在技術上解決了逆變功放電路因偏磁而造成的逆變顛覆，有效地解決了大功率逆變器的可靠性問題；進行多種外特性的綜合設定，實現了恆流與恆壓輸出的合一；與傳統焊機相比，實現了開環和閉環狀態下都互不影響的低壓直流電瓶和高壓交流雙供電分享友人