瞬時輸出 的英文怎麼說

中文拼音 [shùnshíshūchū]
瞬時輸出 英文
instance output
  • : Ⅰ名詞(眼珠一動; 一眨眼) wink; twinkling Ⅱ動詞(眨眼) wink
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • 輸出 : 1 (從內部送到外部) export 2 [電學] output; outcome; outlet; out fan; fanout; 輸出變壓器 output ...
  1. Fluid noise mainly comes from out put pulsation of rate of flow, the main reason of out put pulsation of rate of flow is the instant high pressure return flow that obturation cubage produced when the big round curve pressure transition. the v trough on the port plate can reduce the fluid noise. in this paper, the author based on the acting of dam a river and condensability of liquid and used matlab language as tool to calculate the v trough on the original port plate and drew out the p - t diagrammatic curve and analyzed its shortcoming and improved the design of original v trough and got that the best size of its angle was 12. 3 and its length was 5mm and the cross section was an equilateral triangle

    流體噪聲主要來源於流量脈動,造成流量脈動的主要原因是閉死容積在大圓弧段壓力切換產生的高壓迴流,在配流盤上開設v型尖槽可降低因高壓迴流而引起的流體噪聲,本文以截流作用和液體的可壓縮性為理論依據,以matlab語言為工具,對原配流盤上的v型尖槽進行了理論計算,繪制p - t圖線,分析了它的不足,並對原有v型尖槽進行了優化設計,得了v型尖槽的最佳幾何尺寸:配流盤平面上的v型尖槽的兩邊的夾角為12 . 3 ,槽長5mm ,槽的橫截面為等邊三角形。
  2. Based on output voltage and capacitor - current feedback current spwm control, the inverter is modeled and the prototype is made

    並對採用電壓和電容電流值反饋的電流spwm控制技術逆變器建立了模擬模型,製作了原理樣機。
  3. And at this foundation through the dispersed domine analyse the paper makes a great emphasis on the application of computer aided design and simulation, then designs a series of apfc design and simulation software. this paper takes out a set of designation and simulation on base of actual circuit. the reliable result, output voltage and inductance current which are got from this software are the same as the actual value

    本文在對一系列apfc電路設計、模擬分析方法討論比較的基礎上,著重應用離散域法進行了計算機輔助電路設計和模擬方法的應用探索,以此為基礎設計了pfcexpert功率因數校正電路設計、模擬軟體,針對實際電路給了整個設計和模擬全過程,通過實驗驗證了該軟體所得到的精確穩態解、電壓和電感電流,與實際電路基本相同,所建立的電路模型重現了電路的運行過程,反映了電路的實際工作機理。
  4. Through analyzing and researching the problem of variable frequency to working frequency of high - power electromotor in theory, the key of conversion is pointed out in the paper. on the basis of analyzing equivalent circuit diagram and vector - diagram of induction - motor, the phase of working frequency power whether or not consistent with the output phase of variable frequency power at the moment of conversion is the key to decide whether the conversion is successfully

    本論文針對大功率電機變頻轉工頻轉換存在的問題在理論上作深入細致的研究,根據感應電動機的等效電路和相量圖分析,指大功率電機變頻轉工頻能否成功,關鍵在於變頻轉工頻,工頻電源和變頻電源是否相位一致。
  5. The principle of vibrator is to introduce scattered energy to underground in a comparatively long time, and collect the energy through correlation and compress it into a narrow pulse. the portable high - frequency vibrator system, developed by key lab of geo - exploration and instrumentation ( jilin univ ), ministry of education, generates chirp signal and accumulates energy through a long - time bestiring. according to the characteristics of vibrator, the seismic recorder that operates on - line with vibrator must have these functions as follow : first, it must have the ability of recording a great quantity of data. second, it must have assistant channels to sample reference signal. third, it must have the function of data correlation in real - time

    可控震源利用可控的小能量、長間激發波來實現沖擊震源產生的大能量激發波。在利用可控震源進行地震勘探,要求地震儀長間記錄地震信號,這對地震儀的采樣長度提了很高的要求。受存儲量和數據傳速度的限制,絕大多數地震儀很難對如此大的數據量進行記錄,同,可控震源要求地震儀有兩個輔助通道並且具有數據相關功能,目前國內還沒有現滿足要求的地震儀產品。
  6. The dual - loop control method adapted to current source is proposed - outer loop is the feedback of averaged load current and inner loop is that of inductor current

    逆變電路採用了適用於穩流的雙環控制方式:外環負載電流平均值反饋,內環電感電流值反饋。
  7. The instantaneous voltage inner loop is used to control output voltage waveform to track a sinusoidal waveform. and the outer average voltage loop guarantees accuracy of output voltage

    電壓值內環保證電壓波形的正弦度,平均值外環實現對電壓幅值的控制。
  8. The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct

    對常用空間電壓矢量控制策略進行分析,提了給定參考矢量所在區間判斷的簡化方法,以及電壓矢量作用間的求取方法;分析了電流滯環控制策略,推導開關頻率與滯環帶寬以及整流器入電感之間的關系;應用功率理論分析pwm整流器功率控制原理,通過虛擬磁鏈估計有功功率和無功功率,用matlab實現了直接功率控制,並驗證了該控制方法的正確性。
  9. Design considerations of the high power s - band rka are described, by using electron beams of voltage - 600kv, current - 5000a, and the numerical simulations for three kinds of the rka output structures are given. the three kinds of the output strctures are single - gap standing - wave ( sw ) cavity, traveling - wave ( tw ) output structure, and two output structures ( single - gap + traveling - wave structure ). under conditions of using two output structures, the results show that the instantaneous peak power obtained from sw output cavity and tw output structure is respectively 2. 4gw and 2. 1gw, the both power average of 0. 96gw and 0. 93gw, i. e. the s - band rka of two output structures generates peak output power of 1. 89gw at a frequency of 2. 85ghz

    從數值模擬中得到雙結構的微波功率結果為:駐波功率為2 . 4gw (周期平均為0 . 96gw ) ;行波結構功率為2 . 1gw (周期平均0 . 93gw ) ,就獲得了頻率為2 . 85ghz的微波。本文簡要的描述了電磁軟體( magic )對速調管腔體進行了模擬,並對相應的模擬方法進行了評述。
  10. If all errors belong to single or multiple temporary 0 1 - error or stuck - at - error produced by one module, then these errors can be corrected effectively. the results obtained from the simulation validate the correctness of the cl - acl structure. analytic results show that the delay of the cl - acl structure is dramatically less than that of a dmr structure using alternating - complementary logic mode

    這些粒子所引起的干擾不僅將改變存儲單元的邏輯值,而且將導致邏輯電路產生瞬時輸出脈沖,如果這些脈沖在某個關鍵的間段里產生,比如在鐘或數據的變化過程中,那麼它們將間接地使其它電路的狀態產生變化。
  11. The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence

    主迴路採用由18個晶閘管組成的三相零式電路,並輔以晶閘管的保護電路,通過控制可以得到低頻正弦波的電壓(電流);控制迴路主要以87c196kccpu為核心,其外圍電路包括同步電路,脈沖拓寬電路,功率放大驅動電路等,完成了數字觸發、數字調節、模數轉換等功能;進線電源變壓器具有變壓和隔離作用;環流電抗器則實現了有效抑制主迴路脈動環流的功能。
  12. This method is also valid for identifying the circuit and branch defect of first group spatial linkages based on the equivalent of circuit properties of the first group spatial linkages and its equivalent sphere four - bar linkage base on the property of the solutions of quartic equation, the conclusion that the number and order of branch between two adjacent stationary positions of the input link are derived. then, the new method to identify circuits of spatial single - loop linkages with four closures is presented. all types of the manner on which the branches coalesce at the stationary positions of the input link are obtained and the procedures to determine the type automatically are developed

    基於一元四次方程解的性質,得到了在入構件兩個相鄰靜止位置之間機構的分支的數目和大小順序不變的結論,進而提了識別具有四個封閉形的空間單環機構迴路的新方法一一死點法,綜合入構件位於靜止位置機構分支結合情況的所有類型及其自動判別方法,研究了由所有結合的分支信息自動生成迴路的演算法,首次解決了此類機構迴路與迴路缺陷的自動識別。
  13. From the perspective of minimum transmission losses, an instantaneous reactive power theory for systems with any number of phases and with or without neutral line is developed. under the new definition, each quantity has its own physical meaning, and the zero sequence current can be decomposed into active and reactive components. furthermore, a generalized compensation method for zero sequence current is developed

    電損耗最小的角度發,提了任意相無中性線或有中性線系統的無功功率理論,在新的理論下,每個量都有清晰的物理意義,且能分解零序電流的有功分量和無功分量,並給了通用的零序電流補償方法,揭示了無功功率理論與傳統平均意義下的無功功率理論的聯系及本質區別,從而為研究hvdc - vsc及各種facts裝置的無功功率控制奠定了理論基礎。
  14. Based on the investigation with several voltage control methods, such as venturini method, instantaneous double - voltage synthesis method and space vector modulation method ( svm ), three new control strategies are put forward. firstly, a time - varying modulation coefficient svm method is proposed to improve mc ' s anti - disturbance performance under the asymmetry input voltage. secondly, a 5 - state switching strategy is presented for mc controlled by the svm method, which reduces the commutation number and switching losses remarkably

    在分析了venturini控製法、雙電壓法、空間矢量法等電壓控制方法的基礎上,提了在非對稱入條件下矩陣變換器空間矢量法的變調制比改進控制策略,提高了變換器的抗干擾性能;對空間矢量法的開關策略進行了研究,提了新型5狀態開關策略,在保證其他性能不受影響的條件下,減少了變換器的換流次數和開關損耗;提了一種矩陣變換器單電壓合成的新方法,它不僅使得變換器的控制簡單,計算量減少,而且使得開關損耗達到最少。
  15. In this paper, the repairable queuing system with police is studied. some important queuing quantities and reliability quantities are in detail discussed as follows : ( 1 ) using the renewal process theory and the method of stochastic decomposition, both the transient and equilibrium distributions of the queue length from any state are discussed, and the recursion expression of the equilibrium distribution is given by furthermore, the generating function of equilibrium queuing length distribution is given by ( 2 ) the distribution of waiting time is discussed, and the mean waiting time is given by ( 3 ) the departure of the system is discussed, and the mean value of departure customers when is given by

    具體如下: ( 1 )利用更新過程理論和隨機分解方法,討論了從任意初始狀態發隊長分佈的態解和穩態解,得到了隊長平穩分佈的遞推公式:並進一步求得了系統的穩態隊長分佈的母函數( 2 )討論了穩態等待間分佈,求得了平均等待間: ( 3 )討論了系統的過程,求得了長期單位間內離去顧客的平均數: ( 4 )討論了服務臺的不可用度,得到了穩態不可用度: ( 5 )討論了內服務臺平均故障次數,求得了長期單位間內的平均故障次數
  16. The pid control of output voltage feedback is easy to give attention to static and dynamic performance of the control system. output performance of inverter of ups is improved when rms of output voltage feedback is added to pid control system. the hardware and software is designed in order to achieve the digital pid control of inverter of ups

    設計了用於逆變器數字化控制的采樣調理電路,結合tms320f240的硬體資源,通過軟體實現了ups系統的緩起動和市電跟蹤,並改進了逆變器電壓值控制,通過引入電流中心值檢測,對反饋電壓進行補償,解決了逆變器的偏磁問題。
  17. The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed

    主要工作在以下幾個方面: 1 、針對頻率選擇性衰落通道:結合空間同構關系提一種新的頻率選擇性通道均衡方法,與傳統方法相比,該方法計算量更小,收斂速度更快,性能更優,且對系統階次的過確定表現穩健,具有實際均衡應用價值; 2 、針對間選擇性衰落通道:提一種基於迫零均衡的間選擇性通道均衡方法,演算法結構簡單; 3 、針對變色散通道:利用態均值曲線提取通道變信息,對之ar建模,利用卡爾曼濾波器跟蹤變通道抽頭變化,可以快速跟蹤通道變化;基於空間之間的同構關系以及多入多系統的處理方法,提了新的單入多色散變通道均衡與識別演算法,同樣具有對通道階次過確定保持穩健的優點;結合小波多解析度分析提一種基於小波模型的通道盲識別演算法;研究變的多入多系統的盲均衡與盲反卷積問題,給一種變系統處理模型。
  18. Function : power input : standard 220vac, 50hz ; power output : no load 12. 4 - 13. 63vdc, with load dc12v 13v standard current output : 10a moment current output : 10a control electric locks or bolts directly, reduce the load of access controller save project lines lower potential trouble have output nc no, control all kinds of electric locks has delay control circuit, unlock delay in 0 - 10s use exit button, press to 0pen the electric lock directly auto self - protection function : when short circle and other unexpected situation happen, the power supply can melt the fuse to protect itself

    功能特性:交流入:標準ac220v 50hz直流:空載dc12 . 4v 13 . 63v負載dc12v 13v標準電流10a電流10a直接控制電鎖:可減小門禁控制器的負荷,節省工程布線,減少故障隱患。設nc no,可控制各種類型的電鎖。設延控制電路,開鎖間可在0 10秒。
  19. Function : power input : standard 220vac, 50hz ; power output : no load 12. 4 - 13. 63vdc, with load dc12v 13v standard current output : 2. 5a moment current output : 2. 5a control electric locks or bolts directly, reduce the load of access controller save project lines lower potential trouble have output nc no, control all kinds of electric locks has delay control circuit, unlock delay in 0 - 10s use exit button, press to 0pen the electric lock directly auto self - protection function : when short circle and other unexpected situation happen, the power supply can melt the fuse to protect itself

    功能特性:交流入:標準ac220v 50hz直流:空載dc12 . 4v 13 . 63v負載dc12v 13v標準電流2 . 5a電流2 . 5a直接控制電鎖:可減小門禁控制器的負荷,節省工程布線,減少故障隱患。設nc no,可控制各種類型的電鎖。設延控制電路,開鎖間可在0 10秒。
  20. Function : power input : standard 220vac, 50hz ; power output : no load 12. 4 - 13. 63vdc, with load dc12v 13v standard current output : 5a moment current output : 5a control electric locks or bolts directly, reduce the load of access controller save project lines lower potential trouble have output nc no, control all kinds of electric locks has delay control circuit, unlock delay in 0 - 10s use exit button, press to 0pen the electric lock directly auto self - protection function : when short circle and other unexpected situation happen, the power supply can melt the fuse to protect itself

    功能特性:交流入:標準ac220v 50hz直流:空載dc12 . 4v 13 . 63v負載dc12v 13v標準電流5a電流5a直接控制電鎖:可減小門禁控制器的負荷,節省工程布線,減少故障隱患。設nc no,可控制各種類型的電鎖。設延控制電路,開鎖間可在0 10秒。
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