free circuit 中文意思是什麼

free circuit 解釋
空閑電路
  • free : adj (freer; freest)1 自由的,自主的;自立的。 a free action 自由行動。 free competition 自由競...
  • circuit : n 1 (某一范圍的)周邊一圈;巡迴,周遊;巡迴路線[區域];迂路。2 巡迴審判(區);巡迴律師會。3 【...
  1. Finally, because high - speed power solenoid valve is one of the most important executive parts in the electronic control diesel engine and the performances of diesel engine are strongly related to the solenoid valve, the response performance of the solenoid valve is investigated. the response performance of the solenoid is influenced by many factors, such as driving voltage, electric driving unit etc. in order to have high excitation voltage and in low maintaining voltage, a high - low voltage electric driving unit is designed, and in order to make the solenoid valve close more rapidly, an active free - wheeling circuit and a bootstrapping circuit are designed in the electric driving unit, too. in the high - low electric driving unit, high voltage and low voltage are supplied by the dc - dc device and by the accumulator respectively

    高速強力電磁閥的響應性能除了與閥本身的結構和材料有關外,與驅動電壓、驅動電路的設計密切相關,本文通過分析,首先開發出一種高低壓驅動電路,高壓電源是山升壓式dc - dc原理獲取的,低壓由蓄電池本身提供,實現高壓強激和低壓維持的功能,電路中採用有源續流電柴汕機中卜軌知介系統的設訓及其七川j敝略的叭究路進行續流,加誣了電磁閥的關閉速度;採用自舉吐路,降低了場效應管對驅動電壓的要求。
  2. Micro communication element architecture was based on virtual circuit and we did some research work on it. and based on it, we construct the idea of two - time - handshake - virtual - circuit - create and six - time - handshake - virtual - circ uit - free for the first time and analysed it carefully. we came to a conclusion that it ’ s correct and proper for service unit based architecture

    在此之上,我們首次提出了採用兩次握手建立虛電路和六次握手撤銷虛電路的虛電路創建和撤銷方式,並對其進行了深入的研究,認為在服務元網路體系結構中採用這種虛電路管理方式是正確而且合適的。
  3. Nibco ' s new circuit balancing valves control and maintain a comfortable indoor climate while saving energy and reducing costs. these control valves ensure trouble - free operation and ease of maintenance

    在節約能源和降低成本的同時,美國尼伯科的流量平衡閥控制調節和維持一個舒適的室內環境。這些控制閥保證無故障運行,並且維護保養簡便易行。
  4. Three different d - fronts are defined in this paper, and the test generation is consisted of three parts : to excite the fault at first ; to maximize the iddt difference between fault - free circuit and faulty circuit at second ; and finally to minimize the effect of bypass

    文中定義了三種不同的d前沿,並將測試生成分為三個部分: 1 、激活故障, 2 、使無故障電路和故障電路的瞬態電流差別最大化, 3 、減少旁路的影響。
  5. Bluetooth operates in the global available 2. 4ghz free ism band, its topology is the piconet. it implements the wireless communication with data and voice, by the combination of circuit switching and packet switching

    藍牙使用免申請2 . 4ghzism頻段,採用微微網作為其網路的基本單元,並採用電路交換技術和分組交換技術組合,實現語音和數據的無線通信。
  6. Rhodia engineering plastics has launched a new flame retardant nylon product range, that is halogen and phosphorous free, useable in electrical connector housings, and industrial circuit - breakers

    羅地亞工程塑料已開發出新系列的阻燃尼產品,它不含鹵素及紅磷,適用於電子接插件外殼和工業斷路保護器。
  7. The virtual circuit management module is consists of three sub - modules which are virtual - circuit - create sub - module, virtual - circuit - hold sub - module, virtual - circuit - free sub - module. we create a virtual circuit between each other before they begin to communicate, then we hold this virtual circuit during the communication process, finally, free this virtual circuit after finish the communication. i coded this program with c under linux kernel and use the kgdb to debug the module

    主機虛電路管理模塊主要由建立虛電路,維護虛電路和撤銷虛電路三個子模塊組成,建立虛電路模塊採用了兩次握手機制,在雙方進行通信前建立端到端的虛電路;維護虛電路模塊負責在通信過程中維護虛電路;撤銷虛電路模塊採用了改良的六次握手協議,在通信結束後撤銷虛電路。
  8. Monthly production capacity of 300000 square feet of high - precision pcb board of double - layer and above, capable of production of circuit boards of various surface treatment process to customer ' s requirements, ranging from tin leveled board with lead to lead - free tin - leveled board, and from chemical nickel / gold plated board to even environ - friendly coated board with anti - oxidation film

    月產能30萬平方英尺雙層以上高精密pcb板,可根據客戶要求生產各種不同的表面處理的線路板,從有鉛噴錫板至無鉛噴錫板,從化學鎳金板至更加環保的防氧化膜塗層板。
  9. Meanwhile, the working condition of yanmar combine harvester is very foul, so the system is prone to be disturbed. interference - free measures are taken on hardware such as optoelectric coupling, earth, screen and filtering. and measures on software such as watch dog circuit and digital filter were taken too

    同時,洋馬聯合收割機工作環境惡劣,很容易受到各種干擾,本系統採用了光電隔離、接地、屏蔽、濾波等硬體措施,以及看門狗電路、數字濾波等軟體措施,有效的降低了干擾,保證系統能正常工作,保證了檢測結果的穩定性與正確性。
  10. A novel high - power pollution - free smps is presented in this paper, which accomplishes simultaneously the goal of soft - switching pwm, the input / output isolation, the output voltage regulation and three - phase pfc with a single - stage power processor and simple pseudo - phase - shift control circuit. therefore, compared with the normal two - stage system, the single - stage power supply has simpler structure, lower cost, higher efficiency and easier to control. the proposed smps can be used in the three - phase power system, and can output high power over kw - order and input / output ( i / o ) isolation dc power supply

    本文提出的新型無污染大功率開關電源正是採用三相三線制輸入電源,利用單級偽相移零電壓零電流開關脈寬調制( pps - zvzcs - pwm )全橋變換器完,成功率因數校正( pfc )和輸出電壓快速調節、隔離的雙重功能,並且該變換器開關管在零電壓或零電流下通斷,顯著的減小了emi 。
  11. And it is commonly regarded as fault - free when the comparative deviation of component parameters are within 5 % of the nominal value, while in practical operations the allowance range could be set flexibly according to different requirements for the circuit performance

    通常認為元件參數的相對偏差絕對值在標稱值的5 %范圍內為無故障,但實際上元件的容差是可以根據對電路性能的不同要求而靈活設定的。
  12. With the development of modern permanent magnet ( pm ) machine to high speed, high efficiency, high power density and micromation, the limitation of traditional rare earth pm machine is exhibited, such as higher ripple - free torque, higher losses, lower open - circuit magnetic field, etc. halbach motor, a new type permanent magnet motor, first proposed by american scholar klause halbach, has been studied very widely. halbach motor has higher magnetic field, usually as 1. 4 times as that of traditional rare earth permanent magnet machine, which attributes to higher power density

    Halbach永磁電機是由美國學者klausehalbach提出后一直被廣泛研究的一種新型永磁電機,和普通永磁電機相比其優越性有:氣隙磁密比一般永磁電機可增大40 ,從而可有效提高電機的功率密度;固有的正弦分佈磁場,可為電機設計和加工帶來便利,降低成本;自屏蔽效應,轉子可不再需要為磁路提供閉合迴路,這為轉子的選材提供了較大的空間。
  13. Civil air defense alarm system was a system to dispense antiaircraft alarm sig - nal, hand hostile air attack informational communication to urbanite at wartime. it is a particular informational communication system of the civil air defense depart - ment, and can not be taken place. at the development trend of digitaliza - tion, unitization, integration of civil air defense communication, the civil air defense alarm system is developing too, for adaptation to the require of both future war and peaceful dual, and enhancing civil air defense communication system ' s directing automation. in recent years, development of different kinds of communication technology infuses new clearly energy into communication, especially spread spectrum communication, because of its strongly interference - free feature, invisibility best, realizable code division multiple access and antimultipath wane and so on merit, gets extensive use at wireless region ; the corresponding spread spectrum chips emerge as the times and get boom, which provides advantag e to realization of the circuit of spread spectrum communication. at the same time, in company with the advance of electronics level, the single chip microcomputer has a great development, world renowned chip manufacturer pushout respective products one after another, the kinds of which are too many to statiste

    在人防通信的數字化、一體化、綜合化必然的發展趨勢下,人防警報系統也不斷發展,以適應未來戰爭和和平時期的雙重需要,提高人防通信系統指揮自動化。近年來,各種通信技術的發展給通信注入了活力,擴頻通信更因其抗干擾能力強、隱蔽性好、可實現碼分多址和抗多徑衰落等優點在無線領域得到了廣泛應用;其相應擴頻處理晶元應運而生並得到迅速發展,這為擴頻通信的電路實現提供便利。同時隨著微電子工藝水平的提高,單片微型計算機有了飛躍發展,世界上著名的集成電路晶元製造商紛紛推出各自的產品,單片機型號之多,已達到難以統計的地步。
  14. Meanwhile, all kalmar machines ( within or beyond warranty ) will receive free - of - charge circuit check by kalmar once every two months, including examination and maintenance / operation instruction

    同時所有的卡爾瑪用戶(無論保用期內外) ,均享有免費巡迴檢查服務,幫助客戶及時發現問題,指導用戶如何更好地保養和使用。
  15. In the field of medium voltage switch apparatus, vacuum circuit breaker has been widely used for its advantage of oil - free, miniaturized and easy access

    在中壓開關設備領域中,真空斷路器由於實現了無油化、小型化、便於檢修等優點得到了廣泛應用。
  16. Measurement and control ; performance tests on process computer systems ; time measurement ; function tested : data transmission with error free transmission circuit

    測量和控制.過程計算機系統的性能試驗.時間測量.被測
  17. Telephone communication is the most widely employed ways of communication in the world. telephone communication is becoming more and more important as the national economic reform deepens. dynamic channel borrowing assignment mode is an effective method in communication channel expansion. although it has been put into practical use in satellite communication and mobile communication, no one has attempted to apply it to telephone line expansion. in this paper the author expands the telephone line via dynamic channel borrowing assignment mode, ascertains the expansion scheme, designs the circuit of hardware in telephone line expansion device, draws up software programme, analyses the call lose after using the expansion device theoretically and then experiments to verify it. eight subscribers can share one or two telephone lines with the help of the telephone line expansion device with each phone a sole number. this makes it possible for subscribers to use any free telephone line. thus increasing the number of subscriber and utilization ration of telephone line. in addition. this project makes it possible for expansion subscribers to communicate directly while not to make use of outer line. which further decreased the system call lose

    多通道共用是通信通道擴容的一種有效的方法,已在衛星通信、移動通信中得到應用,但尚未應用到電話線路擴容中。本文利用多通道共用原理對電話線路進行擴容,確定了多通道共用方式電話線路擴容的設計研究方案,研究設計了電話線路擴容器的硬體電路,編制了電話線路擴容器的軟體,並對使用電話線路擴容器后的呼損進行了理論分析及試驗研究。本文研究設計的多通道共用方式電話線路擴容器可以使8個用戶共用1 2對電話線路,每部用戶話機都具有獨立的電話號碼,可以利用任一空閑的電話線路,故能夠增加電話用戶,提高電話線路的利用率。
  18. For many years, amount of work for improving its reliability has been done. in this paper, from the intention of improving the whole circuit breaker reliability and on the basis of absorbing most advanced technology, the method of improving its reliability and the way of reaching maintenance - free are proposed, which should be considered from the following aspects : high reliability for interrupting character, insulation character, resistant to environment and so on

    本文從提高斷路器整體可靠性的思路入手,在吸納國內外先進技術的基礎上,提出真空斷路器提高可靠性並達到免維護的途徑應從其所具有的基本功能和運行條件綜合考慮,主要有以下幾個方面:開斷性能的高可靠;機械性能的高可靠;絕緣性能的高可靠;環境耐受能力的高可靠等。
  19. Due to its special frame structure, bus access method and error - tolerance technology, can enjoys good reliability, flexibility and response time. can, gsm - sms ( short message service ) technology are used in amr ( automatic - meter - reading ) system, thanks to the opto - isolation circuit and software filtering algorithm, the amr system can be free of the serious disturbance in power station, which has won user ' s satisfaction

    本課題「變電站自動化抄表系統」中,由於採用了抗干擾性好的can現場總線技術及現代移動通訊技術,並對脈沖信號採用光電隔離和信號整形技術,並採用獨特的軟體濾波手段,克服了變電站嚴重的電磁干擾對通訊和數據採集系統的影響,取得了令人滿意的效果。
  20. This workshop covers lead - free surface finishes for components, connectors and print circuit board

    這次課程涵蓋了元件、連接器和印刷電路板的無鉛表面鍍層。
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