方向電源 的英文怎麼說
中文拼音 [fāngxiàngdiànyuán]
方向電源
英文
directional traffic power source- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 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...
- 源 : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
- 方向 : direction; orientation
- 電源 : source; current source; electric source; power pack; power supply; power source; source of power ...
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Bing high power resources of millimeter - wave radiation, based on electron cyclotron maser, gyrotron has been pay much respect in the world for vast applications in many areas such as plasama calefaction, linear accelerators, millimeter wave radar, communications, electronic countermeasure and so forth. prof. liu shenggang began the research on electron cyclotron maser, and later, the group leaded by prof. li hongfu has done much research work on gyrotron also, and later, they have began the research on a kind of gyrotron amplifier - - - - - - gyroklystron
迴旋脈塞器件? ?迴旋管作為大功率毫米波源,在等離子體加熱、線性加速器、雷達、通信及電子對抗等領域有著廣泛的應用前景,因此受到了國際上的廣泛重視,特別是近三十年來,迴旋管得到了快速的發展,並成為了研究的熱門方向。Based on the thorough investigation of the post - regulation and efficiency in multiple output switching - mode power supplies, an optimal combination topology for multiple output switching converter is presented in this thesis, which is consisted of forward converter with active clamp ( fac ), synchronous rectification ( sr ) techniques and magnetic amplifier technique ( magamp )
本文通過研究分析近年來多路輸出開關電源輔助輸出電壓調節和提高效率的方案,面對開關電源朝著輸出低電壓大電流方向發展的趨勢,提出多路輸出開關電源新的拓撲優化組合模式? ?有源鉗位正激變換器、同步整流技術、磁放大器。In this paper, the noise of a automobile micromotor is analysed, which shows a way how to improve the quality of the automobile micromotor
以某型號車用微電機為例分析了微電機噪聲產生的根源,為生產過程中如何提高產品合格率提供了方向。Bus 6, 6a, 6x, 66 or 260 from exchange square bus terminus, central ; li yuen streets east and west central mtr exit c then walkalong des voeux road central towards sheung wan ; upper lascar row, also known as " cat street " sheung wan mtr exit a2, turn right and then left along hillier street, away from the tramlines, turn right at queen s road central, cross at the first " zebra " crossing then up the steps to " cat street " ; and hollywood road one block above upper lascar row
中環交易廣場巴士總站搭乘6 6a 6x 66或260線巴士利源東西街地鐵中環站c出口,沿德輔道中往上環方向走摩羅上街,又稱摩羅市集地鐵上環站a2出口轉右,然後左轉入禧利街,朝電車路相反方向走,再右轉入皇后大道中,橫過第一道斑馬線后沿石階步上,還有著名的荷李活道位於摩羅上街之上。Then introduce the present situation service of cosco - logistics ltd : appliance logistics, car logistics, electric power logistic, petrifaction logistics, exhibit logistics and retail logistics. on the base of swot analysis of cosco - logistics ltd, chapter four gives suggestion to logistics service innovation of cosco - logistics ltd : developing electronic commerce, integrated marketing, customization logistics and 4pl ? increment service. then give some supports strategy for logistics service innovation of cosco - logistics ltd
第四章通過對中遠物流的swot分析,結合物流服務發展的趨勢,提出了中遠物流企業開展服務創新應該以電子商務為載體、以一體化營銷為基礎、以客戶訂制和第四方物流為發展方向、以增值服務為中遠物流的核心競爭力,在此基礎上,提出了開展物流創新所需要的物流設備的現代化、物流資源整合、物流信息化、物流人才的培養等方面的支持政策。Voltage segment network constituted by electron switch of bta and controlled by single chip microcomputer constitutes a new fast electronic regulator. for bta cross zero touch off, sine wave which is exported is integrity. a new way to generate stable ac current is found with feed back control system by single chip microcomputer. so a new high power ac current regulator is developed
採用單片機控制雙向可控硅作為電子開關所組成的電壓分節網路,組成新穎快速的電子調壓器;由於雙向可控硅過零觸發,所以其輸出是不失真的完整正弦波;再用單片機組成反饋控制系統,從而找到了交流穩流的新方法,研製出一個大功率交流穩流電源Abstract : voltage segment network constituted by electron switch of bta and controlled by single chip microcomputer constitutes a new fast electronic regulator. for bta cross zero touch off, sine wave which is exported is integrity. a new way to generate stable ac current is found with feed back control system by single chip microcomputer. so a new high power ac current regulator is developed
文摘:採用單片機控制雙向可控硅作為電子開關所組成的電壓分節網路,組成新穎快速的電子調壓器;由於雙向可控硅過零觸發,所以其輸出是不失真的完整正弦波;再用單片機組成反饋控制系統,從而找到了交流穩流的新方法,研製出一個大功率交流穩流電源In the thesis, the strategy for china to develop the hydrogen energy system about fuel cell vehicles is analyzed firstly. then a case in beijing is studied, which is based on an imaginary but possible fcb ( fuel cell bus ) project in beijing, 2008. in the case, 11 feasible plans of hydrogen energy systems about fuel cell vehicles are evaluated from all the aspects of energy, environment and economy with lca ( life cycle assessment )
論文首先從宏觀角度分析我國應該採取的燃料電池汽車氫能系統發展戰略;然後從微觀角度運用生命周期評價方法對一個假想的,卻極有可能在未來實施的燃料電池汽車氫能系統案例的所有可行方案從能源、環境和經濟三方面進行評價,選出最優方案並討論改進方向;最後對燃料電池汽車氫能系統的安全性進行評價並總結現有工作中存在的問題,展望氫能系統評價的發展方向。The combination of fdtd method with physical optics is also used to analyze paraboloidal reflector antenna in millimeter band. using fdtd method, we obtains precise near fields of the feed because the computing areas include all the feed structure. the current on the paraboloidal reflector can be calculated by using physical optics, and then the far field of reflector can be calculated
在毫米波拋物面天線的分析計算中,把fdtd與物理光學法結合起來, fdtd用於具有精細結構的饋源及饋電波導一體計算,得到饋源的幅度和相位方向圖,以此為依據調整饋源結構,使饋源的幅度和相位方向圖為最佳狀態。The ultra amusing ultra q remote control sweeps clear the vehicle, 1 to 8 proportions, 8 channels entire directions remote control, when advance backlash on the automobile body work lantern festival glitters, is concurrent music, the careful design remote control conforms to the kinesiology, the unique double throwout lever remote control way, on about remote control two throwout levers each control two powers wheels, slightly cause the vehicle the radius of turn to be more nimble, and marches forward when the vehicle simultaneously opens sweeps the plate to sweep clear and to turn fights controls remotely into the reality, sweeps the plate starts when also can send out delightful music, sweeps the plate also to be able control during rotation rocks, behind in the automobile body work theater box puts has continuously may skid and may open the cover the trash can, the trash can also may take out, turns fights may independently control remotely, the handling room vehicle door may start, the remote control is away from in the city surpasses 30 meters, the spacious area may achieve above 50 meters, holds controls nimbly is convenient, the luminous automobile body paint surface, works first - class, the use industry packs the ni - cd battery to take the power supply, may repeatedly charge 300 above time
超好玩超q的遙控清掃車, 1比8比例, 8通道全方向遙控,前進後退時車身上的工作燈會閃爍,並發出音樂聲,精心設計的遙控器符合人體工學,獨特的雙推桿遙控方式,遙控器上的兩個推桿各控制左右兩個動力輪,使得車的轉彎半徑更小更靈活,並且在車行進時同時開啟掃盤清掃和翻斗遙控成為現實,掃盤啟動時也會發出悅耳的音樂聲,掃盤在轉動的同時還會左右晃動,車身後部的工作廂內放有一直可滑動並可開啟蓋子的垃圾桶,垃圾桶還可以取出,翻斗可以獨立遙控,操作室車門可開,遙控距離在城市中超過30米,空曠地區更可達到50米以上,操控靈活方便,光亮的車身漆面,做工一流,使用工業包裝ni - cd電池組作為動力源,可反復充電300次以上。It ' s high - frequence noise absorption, absorption of noise caused by rapid rise of front and self - reset function have widespread application in imput of supply, for absorption of inductive load switching surge voltage and for protection of two - way thyristor switching device, bypass capacitors, micro - machines and the others
它所具有的吸收高頻噪聲、前沿快脈沖上升噪聲及自復位功能,使其在電源輸入端、吸收電感性負載開關浪涌電壓、保護雙向可控開關器件、旁路電容器、微型電機等方面有著廣泛的用途。In long views, arc - welding inverter is the trend of welding power supply
從長遠觀點來看,弧焊逆變電源是焊接電源的發展方向。The thesis is based on the subproject of national " 973 " key project, " hxmt spacecraft integral analysis and design ". aiming at the satellite power system, it establishes a simulation software, and uses it on the hxmt power system designing and simulation
本文以國家973專項課題「天體高能輻射的空間觀測與研究」的子課題「 hxmt衛星系統方案設計」為應用背景,構造了一個面向衛星電源系統的模擬軟體,並對hxmt天文衛星電源系統進行了設計分析和模擬工作。Two serious accidents occurred in recent months, both involving short - circuiting of live parts on low voltage electrical installations. in each case, the registered electrical workers ( rews ) did switch off the mains and essential supplies at the consumer s switchboard in order to carry out periodic maintenance inspection. however, they did not isolate the electricity supply from the power company
在這兩宗個案中,注冊電業工程人員在進行定期檢查時,並未聯絡電力公司切斷來電電源,而祗是將用戶開關掣板的總掣及后備電源關掉,所以這些電掣的來電方向,仍然是帶電。The goal of this paper, is to research one kind of intelligent electronic appliances network which has the following characters : the connection between the electronic appliances or between the electronic appliance and the inter net is realizable ; the operation methods of all kinds of electronic appliances which locate at home, can be set by the user through the pcs at home or outside home which can access to internet ; the electronic appliances can acquire the information and the services from the service provider web stations automatically when the operations is required ; the new composed electronic appliances network or the electronic appliances which are just to join the network, can be " plug & play " without user " s setting, the electronic appliances themselves accomplish all the settings
本文撰寫的目的,就是研究和探討一種智能化的家電網路,使其具備以下特點:家電與家電以及家電與網際網路的相互連接成為可能;各種家電的運作方式,可以由家庭內部以及連接到網際網路上的計算機隨時設定;隨著運行工作的需要,家電能夠自動向各種服務提供網站獲取相關信息以及服務;新組建的家電網路以及新加入家電網路中的家電,無須用戶的設定,接上電源后即可投入工作,一切參數的設置均由家電獨立完成。Firstly, it will take a more active role in global joint development projects, thanks to its r & d competence and knowledge base developed on small plc. secondly, it will reply to market with a more complete range of offer including not only plc and hmi, but also relays, power supply, interface and wiring systems
Lec將繼續拓展這一核心業務,並且除了已有的小型plc和hmi等核心產品,還將向市場推出中間繼電器,開關電源,預接線系統等小型元器件產品,以更齊全的產品線為oem客戶提供完整的工業控制解決方案。Through the research on the competition strategy of dalian wanda mechanical - electrical that the macroeconomic environment of the development of the time brings us opportunities and challenges ; on the other hand, the enterprise gets a clearer picture of its resources and abilities, helping them to set the target for competition strategy and clarify the development direction of the enterprise
通過對大連萬達機電安裝公司競爭戰略的研究,一方面,使企業深刻認識到時代發展所處的宏觀環境帶給我們的機遇和挑戰,另一方面使企業認清了自己所具有的資源和能力,確定了競爭戰略目標,明確了企業發展方向。With the trend of emphasis on concealable attack and forcible ruin to military supporting systems, passive locating methods can be seen as an important direction to the development of locating methods and perfection to existing locating systems. passive locating methods have the merits of far distance, concealable receiving and low probability to be detected, compared to active locating methods. so, passive locating system can help to improve viability and battle effectiveness of the whole system in the electronic war environment
在越來越強調軍事支援系統隱蔽攻擊和硬殺傷的趨勢下,採用被動方式工作的無源定位方法作為定位方法發展的一個重要方向和對現有定位系統的完善,較有源定位方法具有作用距離遠、隱蔽接收、不易被對方發覺的優點,對于提高系統在電子戰環境下的生存能力和作戰能力具有重要作用,同時在航海、航空、宇航、偵察、測控、救援和地球物理學研究中有著廣闊的應用前景。The jilin city telecom subsidiary company had been established december, 2002, relies on " the china telecom " the formidable brand superiority and the enthusiasm of starting an undertaking, in year, the jilin city telecom subsidiary company rapidly won one batch to have the influence in jilin the fixed telephone customer, came to a stop the footsteps in the market, and set up the good enterprise image
吉林市電信公司作為國家通信行業改革的產物,在客戶資源零起步的條件下,發揮后發優勢,依託中國電信的品牌,通過對電信市場的調查研究,定位主導產品,確定在公眾客戶體系中以拓展電信光纖寬帶業務為發展方向,使企業迅速形成基礎扎實的異質競爭優勢。A development and updating solution for the controlling system of a high - power special pulse power supply as used in the process of potting in magnesium and aluminium ect light - alloy surface is discussed. the power supply controller adopts intel 16 bit signal chip employing the core of controller, full - bridge controlled rectifying and reversing technique in its main circuit, pulse width modulation technique is adopted in controlling circuit
控制器採用intel16位單片機80c196kc為核心,電源主電路採用全控整流技術和逆變技術,控制電路採用pwm (脈寬調制)控制方式,電源實現了雙向不對稱脈沖輸出和在大電流、高電壓工況下主要技術參數的大范圍連續可調。分享友人