階躍 的英文怎麼說

中文拼音 [jiēyuè]
階躍 英文
phase step
  • : 名詞1. (臺階) steps; stairs 2. (等級) rank 3. [醫學] (耳蝸的三個螺旋管的任一個) scala 4. [數學] order 5. [地質學] stage
  • : 動詞(跳) leap; jump
  1. Diagrammatic method of transfer function idenlified by step - up response curves

    階躍響應曲線辨識傳遞函數的圖解方法
  2. In the present design, step inputs are restricted to a few tenths of millivolt

    在目前這個設計中,階躍輸入信號限制在零點幾毫伏以下
  3. It is found that mld based on a temperature change from the ocean surface of 0. 5 degree celsius is deeper, especially from jan. to apr., while mld based on a variable density change from the ocean surface with a temperature change of 0. 5 degree celsius is shallower

    分析表明,基於溫度階躍0 . 5得到的mld較深,尤其在1 4月,這可能主要是因為沒考慮mld此時受到的鹽度變化的影響;基於溫差為0 . 5對應的密度定義的mld最淺。
  4. They varied both chamber pressure and mixture ratio, making use of a stepfunction change in the oxidizer injection rate.

    他們通過用氧化劑噴射速率階躍函數變化的方法來改變氣室壓力和混合比。
  5. This paper also tested each model and system - the second loop of qinshan nuclear power station ( the second term ) , computed the balance point , tested the performance of step disturbance and runback loads for system ( no adding adjustment system ) , analyzing the factors effecting the first tiptop rotate speed of turb and time which the rotate speed reach the tiptop

    在模擬模型上,完成了穩態計算、系統階躍擾動試驗、甩負荷試驗(未加調節系統)等測試,主要監控和分析了汽輪機動態特性中兩個重要參數:汽輪機第一飛升轉速、飛升時間。
  6. The paper makes a systematic study on frictional torque model for hydraulic system, after the analysis of the ultra ? low speed principle of closed - loop system, it can be concluded that the existence of the difference between static frictional and dynamic frictional torque, and the periodic saltation of the dynamic frictional torque, are the main reasons of the low speed stick - skip to the electrohydraulic position servo system

    針對伺服馬達的低速性能,進行了低速實驗研究,併兼顧快速性能進行了階躍響應和正弦響應實驗研究,對實驗結果進行了分析,得出了一些有價值的結論,提出下一段進行實驗的建議。
  7. Dynamic weighted fit method in step calibration for ultra - broadband and very - broadband seismometer

    超寬與甚寬頻帶地震計階躍標定的加權動態擬合法
  8. The paper concludes that the changing rate of ndvi of rain forest in tropic is the smallest, the changing curve is smooth, while the changing rate of ndvi of the deciduous broad leaf forest in warm - temperate zone is the largest the change of ndvi is the most conspicuous in winter and spring ( especially in april ) while is not conspicuous in summer and autumn by analyzing the change of ndvi along latitude using the ndvi value of different vegetation types along the same longitude. the vegetation index from warm temperate zone to semitropical zone has obvious transition, while other areas have no distinct change by analyzing the change of ndvi from temperate zone to semitropical zone to tropical zone using ndvi averagejn the same time it is concluded that the sink value in the beginning of the year 1995 is from the influence of the monsoon in east of china by analyzing the ndvi curve of several typical needle leaf forests. the relation between ndvi value and temperature is conspicuous while the relation of precipitation is less or not by analyzing the relation between ndvi and temperature and precipitation finally it can get the conclusion that the change of river area is the smallest, the change of sienna area is the greatest by analyzing two phases of tm data in 1987 and 1997 with rs technic

    利用從同一經度的不同森林類型ndvi值分析,沿緯度方向ndvi變化可得出, ndvi在冬春季變化最明顯(尤其是在4月份最大) ,而在夏季和秋季變化不明顯。利用ndvi均值進行分析,從暖溫帶到亞熱帶到熱帶的變化情況發現,從暖溫帶到亞熱帶ndvi指數形成明顯的階躍,而其它區域沒有太大的變化,同時對幾種典型的針葉林曲線分析可知其年初的凹值源自於我國東部季風的影響。利用ndvi數據分析其與月均溫度與降水的相關性得出與溫度相關性較為顯著,而與降水相關性不顯著或無相關性。
  9. Unit step function

    單位階躍函數
  10. Computer simulation of fundamental second - order system ' s response to unit step function based on matlab6

    5的歸一化二系統單位階躍響應的模擬演示
  11. Polymeric thermistors - directly heated positive step function temperature coefficient - part 1 : generic specification

    聚合熱敏電阻.直接加熱的陽極階躍函數溫度系數.第1部分:總規范
  12. In this paper, high concentration vanadium electrolyte has been prepared by electrolysis, graphite and graphite felt electrode also have been made, moreover, the electeodes have been activated, and based it, a lab - level vanadium battery has been manufactured. cyclic voltammetry, current step and invariable current charge / discharge method have been used to study the reactive mechanism of electrolysis, of vanadium electrode reaction and of electrode activation, also to investigate maiden charge process and electricity performance of vanadium battery. the influence of electrode activation and trace stibium ion, indium ion added into vanadium electrolyte has been discussed

    利用循環伏安法、恆電流階躍法、恆電流充放電循環等電化學方法,探討了電解法制備釩液流電解質的反應機理,考察了釩的電極反應、電極表面活化處理對釩的電極反應的影響,結合電極反應分析了活化的機理;還考察了釩電池初次充電活化過程及恆流充/放電循環的電性能;並且考察了添加銻離子、銦離子對釩電池電性能特別是析氫行為的影響。
  13. Test and study on vibratile drilling new laminated material by step type variable parameter

    階躍式變參數振動鉆削新型疊層材料的實驗研究
  14. The analyzable conclusions of the regression model between crown diameter and age show that the utility of unit step function model in the crown growth process with the changing point is better than the usual regression methods, and the unit step function model can solve discontinuance on the changing point

    對樹冠與林齡的回歸分析結果表明:階躍函數模型在具有變點的桉樹林分樹冠生長過程中的應用效果優於一般回歸擬合模型,可較好地解決分段擬合模型在變點上的不連續問題。
  15. The identification results of step and sine steering angle input showed that the proposed identification method is not only practical, but also with high accuracy

    通過方向盤角階躍輸入和正弦輸入的識別結果表明,這種識別方向盤角輸入的方法是可行的,並且具有識別精度高、運算速度快等優點。
  16. In this dissertation, according to the theory of mechanical dynamics and multi - body dynamics, a simulation model of nj2046 light off - road vehicle including suspension system, steering system and tires is built with the software carsim and so the vehicle steering characteristics are analyzed with the step angle input of steering wheel. it is found that the steering characteristics are different when the velocity and load are different, and the relationship between steering characteristics and velocity and load is presented

    本文根據機械繫統動力學、多體動力學理論,運用動力學模擬軟體carsim建立了包括懸架系統、轉向系統和輪胎等模型的nj2046越野汽車整車模擬模型,在此基礎上分析了nj2046越野汽車在方向盤轉角階躍輸入時的轉向特性,通過對不同車速、不同載荷條件下的模擬計算,得出了在這些條件下該車具有的不同表現特徵,揭示了轉向特性與車速、載荷和輪胎的內在關系。
  17. At first, the dynamic mathematic model is created in the light of the known dimensions and structure. then base on the mathematic model, dynamic analysis of the system is studied by drawing the open - loop bode diagram closed - loop bode diagram and step response curve using the analysis and calculating function of matlab. the influence factor on frequency character steady and performance of the system is also analyzed

    首先,根據已確定的尺寸參數和結構需要,計算並建立起系統的動態數學模型,然後在已知系統數學模型的基礎上,利用matlab語言強大的分析計算功能,對系統進行動態分析,通過畫出系統的開環bode圖、閉環bode圖及系統的階躍響應曲線,分析了系統的頻率特性、穩定性及系統性能的影響因素。
  18. In the first part of this paper, mn ( iii ) / mn ( ii ) couple in h2so4 was firstly applied as the positive couple to this system, i. e. redox flow cell. its chemical, electrochemical properties, redox kinetics and related parameters were characterized and discussed by rotating disc electrode ( rde ), cyclic voltammetry ( cv ), a. c. impedance ( a. c. imp ), chronoamperometry, tafel curve, and galvanostatic charge / discharge techniques. conclusions have been drawn as follows : 1. the electrochemical kinetics of mn ( iii ) / mn ( ii ) redox couple in 6. 3m h2so4 solution were studied by means of rotating disc electrode ( rde ) technique on platinum electrode

    本文第一部分首次成功地將酸性介質中的mn ( iii ) / mn ( ii )電對應用於氧化還原液流電池這一新型儲能裝置的正極活性材料,通過旋轉圓盤( rde ) 、循環伏安( cv ) 、交流阻抗( a . c . imp ) 、恆電位階躍、 tafel實驗以及mn ( iii ) / mn ( ii )單電極的恆流充放電實驗,我們得出以下結論: 1 .在旋轉圓盤電極上,不同轉速范圍,不同的極化過電位, mn ( ) / mn ( )體系氧化還原電極過程的控制步驟不同,電荷傳遞、擴散傳質可分別或聯合成為控制步驟。
  19. Several icing parameters were imported to calculate the change of drag coefficient and typical derivatives between clean aircraft and iced aircraft, and the aircraft flight envelope change of iced and un - iced situation was computed, and the small disturbance flight dynamics model was modified to study the effect of the ice accretion on the aircraft dynamics by importing the ice parameter to it, and the longitudinal and lateral stability and the elevator, aileron and rudder step response were also studied and simulated

    根據這些參數計算了飛機結冰后阻力系數以及典型氣動導數的變化,並計算了結冰前後飛機的飛行包線;同時對結冰前後飛機的縱向、橫側動穩定性以及升降舵、副翼和方向舵階躍操縱響應進行模擬計算。
  20. We use the leap, linear and exponential methods to reduce the minimum contention window ( ) and the distributed inter frame space ( difs ), so

    提高優先級的方法採用減小dcf中的和difs ,分別採用階躍的、線性的和指數的不同方法實現。
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