電源外特性 的英文怎麼說

中文拼音 [diànyuánwàixìng]
電源外特性 英文
external characteristic of power
  • : 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...
  • : 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
  • : Ⅰ名詞1 (外面) outside; external side 2 (外國) foreign country 3 (以外) besides; beyond; in ...
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 電源 : source; current source; electric source; power pack; power supply; power source; source of power ...
  • 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
  1. The bandgap is found to broaden with increasing dopant concentration, and it is found that doping with al has the effect of shifting the optical absorption to the shorter wavelength, with both cases being attributed to the burstein - moss shift. we report a study on the fabrication and characterization of ultraviolet photodetectors based on zno : al films. using sol - gel technique, highly c - axis oriented zno films with 5 mol. %

    為了研究zno : al薄膜在紫光探測方面的能,我們採用溶膠-凝膠旋塗法在si襯底上生長出具有高度c軸取向的zno : al薄膜,摻al濃度為5mol . % ,並以此作為有區成功制備出了au / zno : al / au光導型紫探測器的原型器件,並對其i - v、紫光響應和光致發光等方面的能進行了研究。
  2. In this paper, it has been studied by the slope - controlled scr rectifier that external characteristic of welder relate to arc digging action and the strong arc force of arc welding power source in manual arc welding formed

    利用一種製的變結構可控硅整流焊機,研究不同焊機弧穿透力的影響;探討了手工弧焊強弧力形成機理;並且指出正確設計電源外特性,是獲得較強弧穿透力的途徑。
  3. The type of wireless transmission detaches the part of data acquisition from the part of data processing in order to improve the monitor system upon the practicability and security for the person. the universal serial bus is a kind of newer bus interface ' s criterion than other buses in the computer ' s technology. in the design, the universal serial bus is used as the interface between the system and the computer that makes the design possess a lot of features, such as easy operation, plus and play, none of exter nal power, and need not to install

    無線數據傳輸方式將數據採集部分與處理部分分開,提高了監護系統的實用和對人體的安全;通用串列總線是一種較新穎的計算機總線介面規范,本系統使用通用串列總線作為系統與計算機的介面方式,使得本系統具有操作簡便、體積小巧、即插即用、支持熱插拔、無須、使用無須安裝等點。
  4. Each technology offers inherent performance characteristics that can be enhanced with compensation networks or additional active circuitry

    各種技術以增強的補償網路或加的有路提供固有的
  5. With the large - scale exploitation of hydroelectric resource in the west, the effects of severely cold, high humility and high altitude on the external insulation performance of overhead transmission line insulator will more and more server

    隨著水的大規模開發,西部高寒、高濕及高海拔對輸線路絕緣的影響將更加突出。
  6. Porous silicon ( ps ) is a new type silicon - based material developed in recent years, which has different properties compared with the crystalline materials. porous silicon can luminescence efficiently across the whole range from the near infrared, through the visible region, to the near uv region. this characteristic makes it possible to fabricate light - emitting devices and solve the key problem of the optoelectronic integrated circuit ( qeic ), opening up the bright future for the vlic

    多孔硅( ps )是近年來發展起來的一種新型硅基材料,具有與單晶硅材料大不相同的,例如,多孔硅可在近紅和可見,甚至近紫區輻射強烈的熒光,使得它可用來製造發光器件,並可望在解決光子集成子學的關鍵問題,為製造帶有光的大規模集成路等方面開辟新的途徑。
  7. The overhaul of power units are arranged in terms of peaking capacity balance and the power loads are dispatched based on the principle of equal incremental coal consumption rate in the new method, which is anticipated to solve the economic operation of the power system

    實際上,抽水蓄能站的容量效益與網的負荷水平、負荷曲線形狀和常規水的比重有關,而節煤效益除與負荷水平、負荷曲線形狀有關,還與網的結構、火機組的動力有關。
  8. Constant output characteristic is performed by voltage feedback, and the dynamic characteristic control of power supply is realized by modifying the reference voltage in di / dt feedback loop

    利用壓負反饋實現所要求的平。對的控制通過改變反饋路中的給定焊接壓實現。
  9. Many experts and researchers have made great efforts in a long time. this paper is from the study of theory, analysis the particularity of electrical tractor loads

    本文從理論探討的角度出發,深入了解了國內牽引系統多諧波隨機諧波流疊加問題的動態,分析了牽引負荷諧波的分佈
  10. The piezoelectric - pump driven by piezoelectric - stack is a newly development trend, it can accommodate frequency and pressure in a large scale and control the output flux in precision. this pump will widely apply to transfusion, feed oil and clean the equipment in industrial automation, and scientific research, lab, chemical preparation and cooling of cpu etc. driven theory of piezoelectric - stack because the piezoelectric - stack is the core part of the pump that we designed, we should pay more attention to driven principle of the piezo - stack so that we can using it correctly. this paper introduces piezoelectric material and interrelated parameter, output characteristic and driven principle and driving type of piezoelectric - stack

    疊堆泵是一種以壓疊堆作為驅動元件的微型泵,它是隨著mems的發展而發展起來的。本文提出利用壓疊堆與柔鉸鏈放大機構配合來驅動微型泵的橫隔膜,以達到泵送流體的目的。本文在查閱國內大量文獻的基礎上,總結了國內疊堆泵的研究現狀,分析了壓疊堆的動靜態,提出一種以壓疊堆作為驅動的壓流體泵的構想。
  11. According to negative temperature coefficient of vbe and positive temperature coefficient of vt, a framework of band - gap voltage reference is investigated. the reference offer a source of pir, distributed three voltage, one as upper - threshold voltage of dual - threshold comparator, the other as lower - threshold voltage of comparator, the other as direct current voltage for second band - pass filter amplifier

    同時利用pnp晶體管發射結壓的負溫度和發射結差值壓的正溫度設計了一個帶隙基準。此帶隙基準本身作為熱釋傳感器的壓,同時分壓提供雙限壓比較器的上限平和下限平以及第二級帶通濾波放大器的直流平。
  12. Study on the control circuits of external characteristic and dynamic characteristic of igbt manual metal arc welding inverter

    逆變式手弧焊電源外特性與動控制路研究
  13. The co2 welding process needs the special external characteristic and dynamic characteristic of power source for there are alternately arcing time and short circuiting time at the period of short - circuiting co2 welding

    在採用短路過渡方式的co2焊過程中,短路和燃弧過程交替發生,因此它對和動殊的要求。
  14. The signal generator of sweep frequency is based on dds device ad9954, the signal measuring circuit is based on gain and phase detector ad8302, the real - time control and deal circuit is based on tms320vc5409, and the periphery interface circuit is based on at89s52. the system can generate sweep frequency signal with the frequency range from 100khz to 150mhz, and with the power range from - 45dbm to + 18dbm. it can measure the gain and phase of the network, display the measure data by liquid crystal displayed and print it by the printer

    該測試儀以dds晶元ad9954為核心構成掃頻信號路,以增益相位檢測器ad8302為核心構成檢測路,以dsp晶元tms320vc5409為核心構成控制與運算路,以及以at89s52為核心構成圍介面路。該測試儀能產生頻率范圍達100k ~ 100mhz ,功率范圍為- 45dbm ~ + 18dbm的掃頻信號,能對被測網路的頻率進行測量,並留有豐富的圍介面,可以將測量數據繪圖通過lcd顯示或者由印表機列印輸出。
  15. The twelve kinds of modes and equivalent circuits of this inverter with high frequency link within one high frequency switching period are carefully analyzed ; by using the state - space averaging approach, the inverter ’ s averaging model is presented, and the design criterion of key circuit parameters and the output characteristic curve are given ; the analyses of the system stabilization and the mathematic analyzes of the principle of high - frequency - link of this inverter have also be done. prototypes for 1kva 270v 10 % dc / 115v400hzac uni - polarity phase shifting controlled bi - directional voltage mode inverter with high frequency link is designed

    以全橋橋式拓撲為例,論述了雙向型高頻環節逆變器單極移相控制的原理、逆變器在一個高頻開關周期內的十二個工作模式及其等效路;採用狀態空間平均法建立了逆變器平均模型,獲得了這類逆變器的關鍵路參數的設計準則和曲線;分析了系統穩定,並對逆變器高頻環節原理進行了數學分析。
  16. The twelve kinds of modes and equivalent circuits of voltage mode ac - ac mode ac / ac converters with high frequency link within one high frequency switching period are carefully analyses. by using the state - space averaging approach, the converter ' s averaging model is presented, and the design criterion of key circuit parameters and the output characteristic curve are given

    以全橋橋式拓撲為例,論述了單極移相控制的原理、單極移相控制交?交型高頻環節ac ac變換器在一個高頻開關周期內的十二個工作模式及其等效路。採用狀態空間平均法建立了變換器平均模型,獲得了關鍵路參數的設計準則和變換器的曲線。
  17. In the design of hardware, frequency sweep signal is based on dds + pll. by the control the singlechip c8051f060, ad9852, the dds chip, can achieve stepped frequency signal. with amplifying and detector circuits, the instrument can achieve the measurement and receiving of amplitude frequency characteristic result. by means of pdiusbd12 finish the usb1. 1 protocol conversion, communicate with usb interface of pc, the instrument give the measurement resul of amplitude - frequency characteristic in lcd of pc

    硬體方面,掃頻信號基於dds + pll的技術,由c8051f060單片機控制dds晶元ad9852實現頻率步進。再加上圍放大、檢波等路,測量和接收幅頻。並藉助于pdiusbd12完成測量數據usb1 . 1協議轉換,實現與pc機的usb介面通信,將幅頻測量結果在pc機的液晶顯示屏上表達出來。
  18. Taking single four - quadrant power switch mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy, the auxiliary switching power supply and parallel technology of this kind of converters are investigated. the output characteristic curve and the design for the key circuit parameters are given

    以單四象限功率開關式路拓撲為例,分析研究了這類變換器工作模式、穩態原理與壓瞬時值反饋控制策略,給出了變換器的曲線、關鍵路參數、機內輔助開關的設計,對高頻交流環節ac ac變換器並聯擴容技術進行了研究。
  19. Taking single four - quadrant power switch mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy of current mode ac - ac mode ac / ac converters with high frequency link are investigated. the output characteristic curve and the design for the key circuit parameters are given

    以單四象限功率開關式拓撲為例,分析研究了交?交型高頻環節ac ac變換器的工作模式、穩態原理與壓瞬時值反饋控制策略,給出了變換器的關鍵路參數的設計準則和變換器的曲線。
  20. 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子控制技術設計研製的逆變式多功能便攜式逆變焊鍍充多用機,採用「半橋式功放級供中點壓自動控制調節裝置」 ,在技術上解決了逆變功放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問題;進行多種的綜合設定,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瓶和高壓交流雙供
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