current variable 中文意思是什麼

current variable 解釋
本期變數
  • current : adj. 1. 通用的,流行的。2. 現在的,現時的,當時的。3. 流暢的;草寫的。n. 1. 水流;氣流;電流。2. 思潮,潮流;趨勢,傾向。3. 進行,過程。
  • variable : adj 1 易變的,變化無常的,無定的 (opp constant steady)。2 可變的,能變的;變換的。3 【數學】變...
  1. 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。
  2. In order to satisfy the veracity and the robustness against time - variable noise of the aoct, a new square root kalman adaptive filter arithmetic with time - variable noise statistic is presented in this paper. in addition, the wavelet analysis is applied to inspect the singularity of the measured current, and an adaptive signal - noise decomposer for aoct is designed

    為了滿足aoct自適應控制的準確性和時變噪聲魯棒性的要求,論文將kalman濾波理論引入到自適應濾波中,並應用矩陣理論提出了一種新的時變噪聲統計的平方根kalman自適應演算法。
  3. Several regression models, with an independent variable of sea surface geostrophic current, were set up to simulate the real trajectories of drifters

    對南海中伴隨渦旋運動的2個浮標模擬試驗顯示,諸多模型中以海表地轉流、風海流及背景流為自變量的回歸模型模擬浮標漂流軌跡效果較好。
  4. At last, we analyze how each determinant influence the design of variable pay plan, and obtain some conclusions and suggestions with guidable significance for the pay design of current companies

    最後,分別對這三種影響因素進行剖析,具體分析其如何制約可變薪酬計劃的設計,從而總結出一些對當前企業薪酬設計具有一定指導意義的結論和建議。
  5. In the chapter two we discussed that the server would first use speed - 1 to serve customers when the system entered the busy state from the empty state, but when the server found the number of customers in the system exceeded the thresh - n during serving, after finishing the service of current customer it would use speed - 2 to serve the next customer till there is no customer. by the method of supplementary variable, l - transition and constructing vector markov, we attained the distribution of the queue length, the distribution of wait - time, the distribution of stay - time, the utility and etc. in the last part of this chapter, we discussed the optimal n * for thresh n which minimizing the cost function and we illustrate the cost function behaves for various parameter selections by a numerical study

    在本文第二章討論了當系統從空閑進入忙期時是服務臺以速度1進行服務,但一旦對某顧客服務完畢時如發現系統中的顧客數超過n值時就以速度2服務后續顧客直到系統變空的可修排隊系統,通過構造各種向量馬氏過程和吸收向量馬氏過程,獲得了瞬態、穩態隊長分佈、等待時間分佈、逗留時間分佈、更新周期分佈等一系列排隊指標以及可用度、可靠度等一些可靠性指標,在本章最後又從系統如何更好節省費用角度出發討論了門限n的最優取值問題,並利用mathematic軟體對費用函數進行了數值模擬。
  6. The controller includes two control loops which are outer speed loop ( variable parameter pi adjustment ) and inner current loop ( single - chop current delta - control ). in order to improve system performances, design of digital control system based on dsp is presented. the proportional parameter and integral parameter can be obtained through the design

    整個系統採用變pi參數轉速調節(外環)與單斬電流滯環調節(內環)相結合的雙閉環控制方式,為了得到既快速又穩定的恆速系統,本文還給出了基於dsp的雙凸極永磁電機數字控制系統的設計方案,通過此設計方案可以得到轉速環的比例參數kp和積分參數ki的參考值。
  7. The complicacy of the relation between the dependent and independent variable in chemical process challenges the current modeling and optimization methods used in chemical process. the researchers all over the world are devoting themselves to develop new methods to solve the questions of the complicated chemical process modeling and optimization

    化工過程中所涉及各種自變量與因變量間關系的復雜性對目前已有的過程建模優化方法提出了挑戰,各國研究者也正致力於尋找、開發新的方法來更好的解決復雜的化工過程的建模及優化。
  8. The variable salary will be changed to fixed salary after proceeding of the current month salary in order to avoid the double input of fixed salary items

    它是用於當本月工資處理結束后,系統會自動清除浮動的項目,並自動產生固定的薪酬項目,從而避免重覆輸入固定的薪酬項目。
  9. Cot1s i deri ng that t he exte ] - ioi - in t el - ference mai n1 y comes from t 11e sea fl o v l11elj i t i s un ( lel ' - i1 t el ", thi s nfr ) j { j1t i ; fi + lk, 7 : f } itft, ? } { t ! : i / cx pal7er veri fj ed t he st i ~ ol1g 1 ~ oi ) ust ness of th is fuxzy va1 - iilb1 e st l ' uctul ' c control method against the mode1 uncertainties and external disturhances, such as the variat ions of the sea current i s sdeed and direct ion, ancl it a1 so coinpared it se1f wi t. h the l > ji ) contl ~ o1 ler in comnlon use and the regu1ar variable structure contro11 er

    論文分別討論了潛器縱向,橫向和航向三個子系統在不同條件下的控制問題,考慮到該潛器潛航時外界干擾主要來自海流,驗證了模糊變結構控制方法對模型參數時變及海流速度、方向變化的強魯棒性,同時將該控制器跟實際工程中常用的pid控制器和常規的變結構控制器的控制效果進行比較,並結合實際情況,將該控制器同縱傾調節相結合進行控制以更好地滿足實際工程的需要。
  10. Alternating - current linear variable differential transformer ac - aclvdt

    交流極譜儀
  11. It has important significance to study the welding technology of variable polarity pulsed mig for high efficiency weding and good quality of welding products. we should control the welding current, output voltage and the process of melting drop more effectively

    研究薄板鋁合金變極性脈沖mig焊接技術,更有效地控制焊接電流、電壓輸出和熔滴過渡過程,提高焊接過程的穩定性、提高焊接速度,對于提高焊接效率和焊接產品質量具有重要的意義。
  12. To the section name and reset the global current classes variable

    設置成節名並將全局的當前類變量
  13. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念,建立了正弦脈寬調制( spwm )逆變器供電異步電動機,考慮主磁路飽和時的變頻調速系統整體數學模型,模擬系統的低頻振蕩;其次從逆變器-異步電動機系統能量轉換角度出發,提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c ( f _ c為逆變器載波頻率)來判定系統是否出現低頻振蕩;最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  14. Based on the variable viscosity properties of magnetorheological ( mr ) fluids with the variation of a external magnetic flied resulted from adjustable and controllable electric current, a magnetorheological vibration isolator is developed

    利用電磁流變流體在外加可調控電流導致不同磁場強度下其粘度可變的特性,研製了一種電磁流變智能隔振裝置。
  15. Specifications for variable - ratio transformers having current collectors which are moved transversely in the direction of the windings

    裝有可在繞線方向橫向移動集電器的可調無線電變壓器
  16. The variable polarity power supply circuit uses two stages full - bridge inverter, the former inverter is regarded as a constant - current source with fast dynamic response, and supplys energy for the second one, and the latter one is to produce variable polarity current excellently, and low - frequency pulse current by variable polarity power supply is used to reduce input energy and control the shape of weld bead while welding. a series of high - frequency pulse current is superposed on direct - current - electrode - negative ( dcen ) current through the high - frequency pulse power supply, which is used to compress the arc and improve process of crystallization

    其中變極性電源採用二次全橋逆變結構,一次逆變提供快速的響應速率並給二次逆變提供能量,二次逆變提供良好的變極性性能,使輸出能量最優化,並用其低頻電流特性減小電弧線能量,控制焊縫成形;高頻脈沖電源提供的高頻電流疊加在反極性電流dcen上,利用電流的高頻特性壓縮電弧,改善焊縫金屬結晶過程。
  17. 2 ) model of ascertaining the land marked price system in the system of the land marked price, author brings up the model of gradually diverse return to return to analyze, and make use of the current data of the land price, and the factor value of unit samples located in, and proceed to analyze gradually diverse return to return, ascertain variable factors influence of land price and the influence strength of the factor

    2 、標定地價體系的確定模型在標定地價體系的確定中,提出了逐步多元回歸分析模型,利用現有樣點地價資料,以及樣點所在單元各因素因子分值,進行逐步多元回歸分析,確定各用途用地的影響地價的因素因子及因素因子的影響強度。
  18. The fuel cells models are presented in chapter 3. based on the balance conditions in fuel cells stack, the dynamic performance is analyzed. the dynamic model is developed with a set of correlation equations of voltage, fuel utilization, current density and other variables involved in the operating course, which are some partial differential equations with variable coefficients

    第三章以熔融碳酸鹽燃料電池為例,以數值分析的方法,根據mcfc電堆發電過程中物質與電量平衡,分析了電堆的內部動態特性,就輸出電壓與燃料氣體利用率和電流密度等相關量建立了由一組變系數偏微分方程和積分方程描述的數學模型。
  19. An energy controllable ecm pulse generator which machining gap appearance changes with the detected eum current variable is developed, to make the electrolysis thickness of ecm and machining gap width of the diamond controllable

    用檢測電流的方法,設計和研製隨間隙狀態變化能量可控的脈沖電解電源,用於金剛石節塊電解修刃,以實現電解電蝕層厚度的基本可控,從而可實際控制金剛石的出刃高度。
  20. Use action to set the value of the current variable

    應該使用action來設置當前變量的值。
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