random fluctuation 中文意思是什麼

random fluctuation 解釋
不定變幅
  • random : n 〈罕用語〉胡亂行為,偶然的[隨便的]行動[過程]。adj 1 任意的,胡亂的,隨便的;(話等)信口亂說的...
  • fluctuation : n. 1. 波動,起伏,漲落;【物理學】脈動。2. 動搖不定,躊躇。3. 【生物學】彷徨變異。
  1. In this paper, firstly the fluctuation of the interest rate and the research situation of the life insurance actuary models with random interest rate are introduced as well as the elementary notion about life annuities and annuities

    本文首先介紹了利率的波動性及隨機利率下的壽險精算模型的研究現狀。然後,引入了有關(生存)年金的基本概念。
  2. Normal mode fluctuation of sound propagating in random shallow water

    隨機淺海聲傳播簡正波起伏
  3. The alarm aura of financial distress discriminant analysis : a random fluctuation model

    財務困境分析中警兆指標的隨機游動估計
  4. Therefore the emergence and development of the culture of science and technology can be traced back to the initial conditions of geography and climate, viewed as the factor of internal fluctuation from the sensitiveness of the random choices of the cognitive subject to the initial conditions. since a culture has a pivotal component as its core, once the culture of science and technology comes into being under nonlinear interactions of the social subsystems, the core component functions in the same manner as order parameter in the self - organization system, immensely attracting, regulating and controlling others under the slaving principle. and thus the analysis provides a nonlinear approach to the needham ' s problem

    對于任何思想文化傳統而言,其形成和延續都有其現實的物質生活的根源,因而,對于科技文化的產生和發展,我們能夠返回到其發生的原點? ?即地理氣候等初始條件,從認知主體的隨機性選擇對初始狀態的敏感性方面,視其為科技文化產生的內漲落因素,考察其對科技文化形成的影響;而一種文化之所以稱其為文化,必有其全局控制力的核心因素,科技文化是在社會各子系統非線性的相互作用下形成,其核心因素所發揮的作用就如同序參量在自組織系統中的作用那樣,在支配原理的作用下起著規范、引導和支配等效用。
  5. Cyclostationarity of vibration signal of rotating machine with random fluctuation of angularspeed

    轉速隨機波動旋轉機械振動信號的周期平穩性
  6. Influence of the sampling method of signal with uniform random fluctuation frequency on spectrum analysis

    頻率均勻隨機波動信號采樣方式對譜分析的影響
  7. The main purpose of this study is to simulation a random fluctuation of wind velocity fitted to specified power spectrum in low frequency range in our wind tunnel

    本文研究的目的是在風洞中模擬風速隨機波動的陣風,這個基礎性工作對于開展風洞中的其它研究有著重要意義。
  8. The distribution of stream - wise particle velocity follows the log - law under various flow conditions and for different particle diameters, and the fluctuation of the other two velocity components is random

    對不同的粒徑和不同的水流條件,顆粒縱向平均速度都符合對數分佈規律,垂向和橫向的平均速度屬于隨機波動的范圍。
  9. In the second part of the thesis, the non - thermal phase transition in high energy collisions is studied in detail in the framework of random cascade model. the relation between the characteristic parameter xq of phase transition and the rank q of moment is obtained using monte carlo simulation, and the existence of two phases in self - similar cascading multiparticle systems is shown. the relation between the critical point qc of phase transition on the fluctuation parameter q is obtained and compared with the experimental results from na22

    文章第二部分中,我們用隨機級聯模型對高能碰撞中的非熱相變作了仔細研究,用montecarlo模擬得到了表徵相變的特徵參數_ q與矩階數q之間的關系,證實了自相似多粒子系統中存在兩相,求出了相變點q = q _ c對起伏參數的依賴關系,並和na22實驗結果進行了比較。
  10. This paper gives a review on the five analysis approaches of fluctuation pressure on the hydraulic structures and hydromachines : the method of probability and random process, the method of time - space correlation, the method of fitting data, the method of distribution hypotheses on the data of test survey stations, and the hydromechanics method

    摘要綜述了水工建築物及水利機械上脈動壓力的五種分析方法:概率和隨機過程法;時空相關法;數據擬合法;根據實驗測點數據分佈假設法;流體力學方法。
  11. For studying the effect of reducing statistical fluctuation by applying wavelet analysis, several hundred random simulated gamma spectra are produced to make statistics calculation

    採用產生隨機模擬譜進行數理統計的方法,對小波分析方法降低譜統計漲落的作用進行了研究。
  12. By reason that on - line monitoring data of electrical equipment are affected by many factors such as reference voltage of pt, outside environment, running mode, voltage fluctuation and random factors, they will be dispersive and fluctuant. what is more, distortion is possible for data while they are transmitted

    由於在線數據是在設備運行的條件下獲得,會受到各種因素如pt處獲得的基準電壓、外界環境、系統運行方式、電壓波動以及一些隨機因素的影響,得到的數據會有一定的分散性和波動,即使在數據的傳輸過程中,數據也可能會失真。
  13. In the next part, after verifying the simplified computational method of turbulence, the movement of fibers in turbulent pipe flow was simulated by 3 - d integral method and simplified computational method of turbulence. it was found that the fluctuation of turbulence caused random of fibers " orientation and its distribution became broader as the re numbers increased

    然後,在驗證了湍流的簡化方法的合理性后,利用三維分段計算方法和湍流簡化方法模擬了大量纖維粒子在管道湍流內的運動,得出的結果為:湍流的脈動速度導致了纖維的偏角趨于無序,且隨著re數的增加,纖維偏角的分佈越來越趨于均勻。
  14. Considering the random fluctuation traction load ( from 0 to max, variable at every minute ), the life limit of all kinds of machine switches and expensive cost and complex overhaul of svc, this paper aims to develop a set of svc suitable for the present condition of our country. in order to resolve the reactive power returning back problem and realize static adjustable compensation to improve negative sequence

    本文針對電氣化負荷變化頻繁、 svc價格昂貴及檢修復雜、機械開關無法擔負頻繁操作任務的現實,提出通過改造svc結構,把tcr改為tsr ,把tsc實現粗調、 tcr實現細調改為由tsc調節欠補無功、 tsr調節過補無功的技術方案。
  15. And in addition, the paper explores the aspects of internal fluctuation, which is viewed as the random choices of the cognitive subject, how it is depend on the initial conditions and is enlarged by the method of positive feedback with step by step on the views of the nature, material outlook and thought modes. what ' s more, under the controls of the nonlinear interactions, the paper respectively explores the development principle in the culture of technology and science between the west and the east on the aspect of attractors and the order parameters, which result from the cooperation and competition. finally, the paper correctly formulates the different value preference in accord with the attractors and the order parameters, and focuses respectively on the traditions of the eastern pragmatic preference and the western contemplative preference and technological preference

    在此基礎上,從東西方科技文化的發生和起源入手,從耗散結構的觀點出發,考察了認知主體的隨機性選擇這種文化的內漲落因素,是怎樣依託于各自不同的初始條件?地理氣候條件,在自然觀、物質觀和思想模式方面一步步得到正反饋式的放大;進而,在文化系統內部種種非線性的相互作用下,從競爭和協同所必然產生的序參量和吸引子兩個方面,分別考察了東西方科技文化不同的發展規律,聚焦東方的實用化取向和西方的思辨化、技術化取向的影響機制,從它們在不同時期所發揮的不同作用正面回答了「李約瑟難題」 。
  16. Compared with the computational result of traditional ga, it shows that the searching efficiency of ga can be improved remarkably and the fluctuation of random searching can be reduced by recognizing building block

    與基本遺傳演算法的計算結果對比分析表明,所提演算法可顯著提高遺傳演算法的搜索效率,減小遺傳演算法隨機搜索的波動性。
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