時間系數 的英文怎麼說
中文拼音 [shíjiānxìshǔ]
時間系數
英文
time factor- 時 : 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...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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Continuous time system robust identification based on haar wavelet method
小波變換的連續時間系統魯棒參數辨識Following this algorithm, the base flow can be calcu - lated from the observed discharge as follows : 1, 22bbqiqiqi where i is the time step in the discharge records, qb is the base flow, q is the total runoff, and is the re - cession constant during periods with no surface runoff. the parameter can be determined through a dis - charge recession analysis
地下徑流的推算公式如下1 1 . 22bbqiqiqi ? ? ? ? 26其中i表示推算的時間步數, qb是地下徑流, q是總的徑流.表示沒有降水時候流量消退系數,可以通過沒有降水時候的流量消退資料推算出出來This low time constant is consistent with the stability requirements of close-loop control systems.
這低時間常數是符合閉迴路控制系統中穩定性的要求的。In the second place, based on the asu of buggenum igcc plant in netherlands, both static and dynamical model for distillation tower of the asu are created and some valuable conclusions are gained as well. finally, a compartmental simplified model is created for distillation tower of the asu, in order to reduce the simulation time and increase the simulation efficiency. the new model will be helpful to the further simulation and on - line optimal control for the asu of the igcc plant
其次,本文以荷蘭buggenum電站的空分系統為原型,基於matlab建立了空分系統精餾塔的半圖形化動、靜態數學模型,並通過模擬,得出了一些有價值的結論:當空分系統的壓力變化時,氧氣產品濃度的響應時間常數為兩小時左右,說明空分系統是igcc電站最大延遲環節;而且雖然氧氣濃度最後會穩定在igcc電站所要求的范圍之內,但在過渡過程中會超出限制,這些都為igcc電站的安全運行及控制系統設計提供了有價值的信息。To air - condition temperature control system, in this paper, firstly, the mathematical model is established by using the differential equations method. though equations deducing to find the control object, which is the relationship between the rooms " temperature - time constants and control system ' s kinds of performance indexes, elucidate the effects of the big rooms " temperature - time constans to the control system. then combined with the requirements of air - condition craft to the control, it is proposed that the main question needed to be solved under the air - condition control system designing is its quickness
本文首先針對空調溫度控制系統,建立數學模型,採用微分方程法,通過公式推導,找出空調控制對象? ?房間溫度時間常數與系統各項性能指標的關系,闡明房間溫度時間常數大對控制系統的影響,再結合空調工藝對控制的要求,提出了對空調控制系統的設計應主要解決其快速性問題。This paper mainly discusses the variation of rotor time constant t2 and its influence to the system stationary and dynamic performance in electric vehicle ( ev ) drive system
本課題針對電動汽車驅動系統的要求,主要討論了轉子時間常數的變化對于電機靜態和動態性能的影響。Analysis of the transition time of step - function signals in the dynamic calibration of systems
系統動態校準中輸入階躍信號過渡時間參數分析There are significant statistical correlations among temporal coefficients of spatial patterns of dekad precipitation. lag correlations and cross correlations can be viewed as one clue to mid - long term weather forecast
旬降水量空間型時間系數間存在顯莢的統計相關,將時問系數間的1相關和互相關作為中長則天氣預報的一干!The results show that the water - level controlling system has wide stable domain and stable condition is easy satisfied and the domain is larger when the forebay time constant tq is bigger
分析表明,水位調節模式下調節系統的穩定條件容易滿足,穩定域很大,前池時間常數t _ q大的更有利於調節系統穩定。It can acquire the voltage on the test appliance and current in the circuit. and it can see these electrical signals as its input and calculates based on the data and gives the parameters and waveform that user needed. the parameters we can get through calculation include power factor, joule ' s integral, available value, maximal value, minimum value, time constant etc. recently, there are many scholar is studying the algorithm that calculate the parameter using test data, but many of them adopt the heuristic method, not using the test data directly
本課題研製一套電器試驗參數高速採集系統,能夠檢測試驗迴路中試品上的電壓信號和迴路中的電流信號,並根據這些電信號的數值利用計算機進行在線計算,並給出用戶需要的各種電參數值和用戶需要的波形圖,通過計算得到的電器參數有功率因數、焦耳積分、有效值、最大最小值、時間常數等。With a view to the characteristics of contactor dynamic process that are short - time and great data, dsp is selected as mcu to realize real - time and high - speed collection of the contactor dynamic process testing parameters. field bus is used in this device to realize remote control, measurement and adjustment
針對接觸器動態過程時間短、數據量多的特點,選擇dsp作為核心控制單元,實現對接觸器動態過程參數數據採集的實時與高速,並將現場總線技術引入接觸器動態測試系統,實現測試過程的遙控、遙測、遙調。By simulating, this paper compared the effect of capacitor compensation to that of svc compensation, the results showed that capacitor compensation add the voltage flash, and svc was the optimal equipment to restrain the flash. furthermore, the smaller value of ks and tf, the better effect of svc
通過數值模擬曲線分析,對比了電容補償和靜止無功補償器( svc )補償的效果,得到的結論是電容補償有擴大閃變的影響,而靜止無功補償器( svc )是抑制閃變的最佳裝置,並且調差系數ks和時間常數t _ f越小, svc補償效果越好。In accordance with the field trips and literature review, time series of environmental data, timber price and production cost
通過實地調查和文獻檢索獲得森林資源數據、生態觀測資料和木材價格與生產成本的時間系列數據。Research and teaching : econometric theory, non - parametric econometrics, nonlinear time series analysis, and financial econometrics
主要研究和教學領域:計量經濟學理論,非參數計量經濟學,非線性時間系列分析,金融計量經濟學。The process only needs a few time steps, reflecting the abrupt occurrence of instability of the system
上述過程持續的時間步數較少,說明了系統失穩的突發性。The 1st time coefficient shows the staged feature of the progression of the moisture transport over asian - australian monsoon region, which relates with the large - scale important weather incidents in asian - australian monsoon region. iv
第一特徵向量對應的時間系數圖表現了亞澳季風區4 - 9月份的水汽輸送階段性的時間演變特徵,可反映夏季亞澳季風區的大型天氣事件的發生變化過程。A wavelet analysis was made to the wintertime integrative chilling damage index, time - coefficients of the first characteristic vector field and the second eigenvector field of wintertime integrative chilling damage index
對廣東冬季綜合寒害指數和廣東冬季綜合寒害指數第一特徵向量的時間系數、第二特徵向量的時間系數進行了小波分解。Due to the fact that joint position errors decrease when the jerk decreases, comparisons with an alternative global optimum target relating to minimum - jerk ( mj ) trajectory are exposed and the favorable joint trajectories are obtained by introducing a factor
考慮到加速度變化率對路徑跟蹤的影響,比較與加速度變化率相關的不同的優化目標函數時的路徑跟蹤性能,提出引入一個時間系數來修正運動總時間,獲得跟蹤性能良好的關節軌跡。The variational trait of the first temporal coefficient is that the coefficient is often positive in 1960s, often negative in 1970s, the break point often happen in 1960s and 1970s, especialy 1970s ; the fluctuate of the second temporal coefficient of year. spring and autumn appears little change, but appears much change of summer and winter, the break point often happen in 1980s and 1990s, specially 1980s ; the change trend of the third temporal coefficient is not obvious during 1961 to 2000, only appears clear raise in the anaphase 1990s ; it is difficult to detail the positive and negative trend of the fourth temporal coefficient, the situation of the coefficient appears alternant change of positive value and negative value, the break points happen concentratively in 1990s, the situation of the fifth temporal coefficient is like the fourth ' s ; the alternate of positive value and negative value of the sixth temporal coefficient is obvious, then the negative trend take advantage after 1990s, the distribution of the break point is even, but most of them still in 1990s ; the break points happen many times, but it is limited that the break points attain 0. 05 significance test
第一時間系數變化大體有如下特點:對年和季節來說, 60年代系數多表現為正值, 70年代多表現為負值,突變點多發生於60 、 70年代,特別是60年代;第二時間系數在年、春季、秋季表現為波動很小,夏季和冬季則很大,突變點多發生於80 、 90年代,特別是80年代;第三時間系數正負變化趨勢不明顯,只是90年代後期在年和夏季降水中升高明顯;第四時間系數基本無明顯正負趨勢可言,只是正負交替出現,突變點集中出現在90年代;同第四時間系數相似,第五時間系數亦無明顯正負趨勢,突變點多出現在90年代;第六時間系數正負交替明顯,進入叨年代后負趨勢為主,突變點分佈較均勻,但仍以904atvjz多;突變點出良多,但突變區域艾擇no 05 ggrr著性以上的卻有限。That test part of the software is primarily used to complete the test of some parameters, such as time base, time - expand, time interval, voltage interval, vertical, stable state, transient state and scanning linearity. the result of the test needs to be analyzed and judged. clear user interface and timely warnings for mistakes of testing process inside because of the user ' s fault operating make whole test process more easier than it did on a time
該軟體的測試部分主要用於完成對示波器掃描時間系數、擴展掃描時間系數、 t時間測量、 v電壓測量、垂直偏轉系數、頻帶寬度、校準信號、脈沖瞬態響應、掃描線性誤差時等參數的測試檢定任務,並對測試結果進行及時的分析和判斷,由於界面清晰,而且對測試過程中由於用戶的誤操作都有及時的錯誤提示,使得整個測試過程簡單易行,對于用戶來講掌握起來也更為方便些。分享友人