隨機不穩定性 的英文怎麼說

中文拼音 [suíjībùwěndìngxìng]
隨機不穩定性 英文
stochastic instability
  • 隨 : Ⅰ動詞1 （跟; 跟隨） follow 2 （順從） comply with; adapt to 3 （任憑; 由著） let （sb do as he li...
  • 機 : machineengine
  • 不 : 名詞[書面語] （剁物所用的木墩） a block of wood
  • 穩 : 形容詞1 （穩定; 穩當） steady; stable; firm 2 （穩重） steady; staid; sedate 3 （穩妥） sure; rel...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 隨機 : random stochasticrandom
  • 穩定性 : antiwhip
  • 穩定 : 1 （使穩定） stabilize; steady 2 （穩固安定） stable; steady 3 （物質的性能不易改變的作用） stabi...
  1. Definitions of physical quantities for fundamental frequency and time metrology - random instabilities

    基本頻率和時間計量學用物理量定義.隨機不穩定性
  2. Standard definitions of physical quantities for fundamental frequency and time metrology - random instabilities

    基頻和時間計量學用物理量標準定義.隨機不穩定性
  3. But with wind power capacity enlarging constantly and stochastic and incontrollable wind energy, wind asynchronous generator " s frequent startup will take inverse impact to wind power system stability, which is one of the most important restricting factor on wind power " s large - scale development

    然而，隨著風電裝機容量的不斷擴大，風能的隨機性和不可控性，使得相對頻繁起動的風力異步發電機，對風電系統穩定性的影響也愈來愈大，成為制約風力發電規模發展的主要因素之一。
  4. There have some problems, for example, share the data source of all sort of the measurement of equipment, develop new application system quickly, have high stability and maintain convenient, which must be resolved immediately in the measurement and control system now used, because of the widespread and rapidly development of computer technology, constantly development of automatically industry and the fast evolution of soft technology

    隨著計算機技術的迅猛發展和普及，工業自動化程度的不斷提高，軟體技術的迅速發展，現有的測量與控制系統有一些急待解決問題，如各種測量設備的數據資源的共享，快速開發新應用系統，系統穩定性高，維護方便等。
  5. The model - free pid control method with neuron tuning gain and the neuro - fuzzy control method for a constant cutting force metal turning process system are proposed. the former method keeps the cutting force to be constant by using the neuron to change the pid controller gain on - line. the latter method construct the fuzzy neuron controller by combing the fuzzy controller and the neuron controller

    針對具有非線性和不確定性的機械加工切削過程，提出了神經元增益自整定的pid控制方法和模糊神經元非模型控制方法，前者採用神經元來在線調整pid控制器的增益，後者將模糊控制器和神經元控制器相結合構成模糊神經元控制器，這樣當對象特性隨切削深度的變化而變化時，所設計的控制器能保持切削力恆定，使系統穩定並具有滿意的動態品質。
  6. First, this paper gives an introduction of some methods of unequal probability sampling, their estimators and variance estimators, including sampling with pps with replacement, methods of sampling without replacement suggested by brewer, durbin, sampford, des raj, murthy, rao - hartley - cochran. then, at the basis of rao and bayless ' s study, we consider that population can be splited two random subpopulations, which are respectively drawn from different infinite super - populations, and compare the stabilities of estimators of the methods that given above. we find that the minor difference between two super - populations has great effect on the efficiency of the estimators for the population with moderately large coefficient of variation ( c. v. )

    本文首先從理論上介紹了若干種不等概率抽樣方法，它們的估計量、估計量的方差及其估計，其中包括有放回ppz及pps抽樣，不放回不等概率抽樣中的brewer 、 durbin 、 sampford 、 desraj ， murthy 、 rao - hartley - cochran等人的方法；其次，在rao和bayless兩人就樣本單元數n = 2的情形對上述抽樣方法進行比較的基礎上，將總體隨機地分成兩個子總體，視每個子總體取自不同的線性超總體，在文中，我們利用計算機實現隨機分組，並通過畫圖比較各方法估計量的穩定性，結果表明，對變異系數c . v . （ x ）較大的總體而言，兩個超總體之間的微小差異將對估計量的穩定性產生很大的影響，從而說明rao和bayless的比較結果還不夠完善。
  7. During 2003 ~ 2004, according to investigation and statistic of the community stabilities of main arthropods in organic tea gardens in guangxi province. the result shown that the principles that the population dynamics of main arthropods in organic tea gardens gradually become stable after organic management of 6 years and need no manual control

    摘要2003 ~ 2004年，對廣西百色地區有機茶園主要益、害節肢動物群落進行調查，並對其穩定性進行了分析，試驗結果表明，隨著有機管理時間的增加，節肢動物群落逐漸趨于穩定，實施有機管理6年以上的茶園，群落的穩定性最高，群落的自我調控能力強，在生長季節不需進行人工防治。
  8. According to the geological data which was gained by exploration investigation, establishing a geological model which can reflect rock mass characteristics ; with analyzing the internal and exterior factors synthetically, the deformation and possible failure mechanism and mode of the cut slopes was confirmed which combines with stereoic projection and other techniques ; the stabilities of the 14 high slopes are estimated synthetically by applicable design codes and guidelines. with the estimate result and some other analysis methods, the rock mass mechanical parameters of slope are identified ; as a results, 14 high slopes fall into 4 categories based on rockmass characteristics and discontinuities. the stability and deformation of some typical slopes was analyzed with distinct element method by udec ; the safety factor of some dangerous slopes are calculated by rigid limiting equilibrium method for comparison

    首先著重研究影響邊坡穩定性的內在因素，主要是通過地質勘探、測量、現場觀測等手段取得研究區地質體的基礎地質資料，建立起能夠反映地質體結構特徵的地質模型;隨后綜合分析潛在的內外部影響因素，並結合赤平投影對邊坡可能的失穩模式或破壞機製作出判斷;運用已有巖體質量分類方法對沿線14個高陡邊坡穩定性進行初步的評價，並結合試驗研究、經驗判斷、工程類比等手段確定了坡體的巖體力學參數;根據穩定性初步評價結果將研究區14個高陡邊坡按開挖方式分為4大類，並利用離散元程序udec對各類典型高陡邊坡進行了穩定性計算分析;對潛在危險邊坡利用剛體極限平衡法求出了不同工況下的安全系數。
  9. For such reason, the long - term behavior of system exhibit chaos and the time & space average of system shows typically randomness

    由於這種不穩定性，系統的長時間行為會顯示出某種混亂性，對時間或相空間的粗粒平均將呈現典型的隨機行為（或顯示隨機性質） 。
  10. In this paper, optic gyro is viewed as the object of investigation and several aspects is investigated as follows. two important indexes - bias instability and scale factor were measured and investigated, including bias, its repetitiveness, temperature sensitivity, random walk coefficient and scale factor, its nonlinearity, asymmetry, repetitiveness. we make use of the allan variance method to separate the noise factors which affect the performance of the optic gyro, such as the angle random walk, bias instability, rate random walk, rate ramp, quantization noise, markov noise and sinusoidal noise

    本文以光學陀螺為研究對象，開展了以下幾方面的研究工作：本文對光學陀螺性能的兩個重要指標?標度因數和零偏穩定性進行了較為詳細的研究，其中包括陀螺的零偏b _ 0 、零偏重復性b _ r 、零偏溫度靈敏度b _ t 、隨機遊走系數rwc和標度因數k 、標度因數的非線性k _ n 、標度因數不對稱性k _ h 、標度因數重復性k _ r等等。
  11. Based on method of imprecision and adopting over all preference aggregation function, the three uncertainties, namelyrandom, fuzzy and unknown, which affect means and fluctuation of the system performance, would be taken into account for improving the traditional robust designs linear weighted sum method

    根據不精確法，採用整體偏好聚合函數，將隨機、模糊、未確知三種不確定性對系統性能均值和波動性的影響綜合起來考慮，改善了傳統穩健設計的線性加權和法的缺陷。
  12. Template matching technology is the key of target detection system. matching namely that sensor captures two breadths of or many breadths of images aiming at in space versus identity scenery in different time and different image - forming condition, or according to known mode look for homologous mode in another breadth of image

    目標檢測系統受許多不可預知的條件影響，如光照、噪聲、旋轉及移動、遮掩物、隨機紋理等，使圖像識別變得困難，進而影響了目標檢測的穩定性。
  13. In recent years, mobile - phone reading has become a new way of reading style which has become a fashion in south korea and japan for young people. according to morganstanley, by the year 2008, the benefit of wireless market would be over 40, 000, 000, 000 dollars. however, wireless mobile - phone reading it ' s still a virgin land in china wireless mobile - phone reading books are different from the general wireless application. compared with the traditional wireless application, the wireless mobile - phone reading is facing with more difficulties causing by the different types of cellphones. one reading program can not suit all the cell phones. therefore, the present reading programs are just designed for some specific mobile phone brands

    隨著無線通信技術的不斷發展，手機作為最為普遍的無線終端設備早已在我們生活充當重要的角色。最新的研究分析指出，在無線應用方面，關注焦點之一是如何在目前的無線網路情況下構架一個具備可擴展性、強穩定性、終端自動匹配的無線數據增值平臺。本文探討了如何構架一個可擴展以及終端自動匹配的無線數據增值平臺，填補了目前國內技術空白。
  14. Using probability theory and mathematical statistics, probabilistic model on randomicity of the dynamic stability analysis system are built

    應用概率論和數理統計方法，建立了無縫線路動力穩定性分析系統中的隨機不確定性的概率模型。
  15. Because the time dependence characteristics of photovoltaic system enhance the instability of system, it is desired to grasp the work status at a given time - interval

    太陽能發電和常規能源發電不同，它具有隨機不確定性，而這種時變性又增加了系統的不穩定因素。
  16. Some automobile manufacturers have already announced their plans to introduce some high technology devices such as abs ( anti - lock braking system ), asr ( acceleration slip regulation ) and vdsc ( vehicle dynamics stability control ) on all their models, which are developed to improve vehicle - handling stability under different emergency situations by the fundamental principle that adhesion coefficient between tire and road varies as wheel ' s slip

    而基於汽車輪胎與路面之間的附著性能隨車輪滑動率改變而變化的機理所開發的、旨在改善車輛在不同工況下操縱性穩定性的一些高技術系統包括防抱制動（ abs ） 、防滑驅動（ asr ）及車輛動力學穩定性控制（ vdsc ）系統，更是受到汽車製造商的青睞和厚愛，都在積極地加緊試制，以期更快更早地佔領市場。
  17. Meanwhile, caused by the stochastic disturbances and measurement errors, monitoring model based on single measurement value of individual sampling time tends to lack credibility and stability, and can ' t reflect the overall phase - specific operation state

    同時，由於各種隨機擾動的影響及測量誤差的存在，針對單一采樣時刻的過程測量值進行建模往往不能保證足夠的可靠性與穩定性，無法實時反映過程時段整體運行情況。
  18. The third chapter " essay of emh on chinese stock market " tested the hypotheses for the emh on chinese stock market, presented that stock price and return rate variance and voiatiiity are not stable. the chapter provided some evidence for the non - - normai

    第二章分析了有效市場理論產生的背景，就有效市場理論成立的基本假設進行了檢驗，提出股票價格收益是不穩定的隨機序列，收益分佈不是正態分佈，股票價格收益表現出非性，序列自相關性，異方差性。
  19. Automatic docking is one of the most important actions for msr robot ’ s self - reconfiguration and is one of the technologys about the robot researching, because it supports almost all practical advantages of such robot. in this thesis, automatic docking system and the module structure are first analyzed ; for searching the reason why the actual docking system run unsteadily, some validate and test thing are done, such as docking algorithm test, sensor unit test, drive unit test, and so on

    自動對接是模塊化自重構機器人完成自重構的一個基本步驟，也是這種機器人研究的關鍵技術之一，是模塊化自重構機器人具有實際應用價值的基礎。本文對自動對接系統結構進行了分析，為尋找實際對接系統工作不穩定的原因，做了一些驗證與調試方面的工作，包括自動對接演算法正確性與有效性的驗證，串口電路設計，編寫實時跟隨對接模塊運動的程序以及傳感器建模程序等。
  20. As the wing - pivot frequency decreases, it couples with the vehicle short - period mode resulting in dynamic instability. a similar instability sometimes occurs when the pivot mode couples with the fuselage - bending mode

    隨其頻率降低，它與飛行器短周期模態耦合時會導致飛行器動不穩定，而與機身彎曲模態耦合時同樣會導致模型動不穩定性。
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